./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-86.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_fillercode_fillercodestructure_filler-ps-co_file-86.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 59727828023891546cc5a25cf7f297a1b2c37fd03b88eda6114da55f7e3ce778 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 04:21:30,927 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 04:21:30,996 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 04:21:31,001 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 04:21:31,002 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 04:21:31,030 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 04:21:31,030 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 04:21:31,031 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 04:21:31,031 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 04:21:31,032 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 04:21:31,033 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 04:21:31,034 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 04:21:31,034 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 04:21:31,034 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 04:21:31,035 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 04:21:31,035 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 04:21:31,038 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 04:21:31,039 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 04:21:31,039 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 04:21:31,039 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 04:21:31,039 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 04:21:31,040 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 04:21:31,040 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 04:21:31,040 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 04:21:31,040 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 04:21:31,041 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 04:21:31,041 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 04:21:31,041 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 04:21:31,041 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 04:21:31,042 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 04:21:31,042 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 04:21:31,042 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 04:21:31,042 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 04:21:31,043 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 04:21:31,043 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 04:21:31,043 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 04:21:31,044 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 04:21:31,044 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 04:21:31,044 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 04:21:31,045 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 04:21:31,045 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 04:21:31,046 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 04:21:31,047 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 59727828023891546cc5a25cf7f297a1b2c37fd03b88eda6114da55f7e3ce778 [2024-11-12 04:21:31,309 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 04:21:31,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 04:21:31,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 04:21:31,338 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 04:21:31,338 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 04:21:31,339 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-86.i [2024-11-12 04:21:32,660 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 04:21:32,843 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 04:21:32,843 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-86.i [2024-11-12 04:21:32,852 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1069bded/243cc33b381d4d80bb70fdc979ed08f7/FLAGd2f1df850 [2024-11-12 04:21:32,865 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1069bded/243cc33b381d4d80bb70fdc979ed08f7 [2024-11-12 04:21:32,867 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 04:21:32,869 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 04:21:32,870 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 04:21:32,870 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 04:21:32,875 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 04:21:32,876 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:21:32" (1/1) ... [2024-11-12 04:21:32,877 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@788c36c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:21:32, skipping insertion in model container [2024-11-12 04:21:32,877 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:21:32" (1/1) ... [2024-11-12 04:21:32,901 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 04:21:33,059 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-86.i[919,932] [2024-11-12 04:21:33,125 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 04:21:33,138 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 04:21:33,149 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-86.i[919,932] [2024-11-12 04:21:33,181 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 04:21:33,213 INFO L204 MainTranslator]: Completed translation [2024-11-12 04:21:33,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:21:33 WrapperNode [2024-11-12 04:21:33,214 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 04:21:33,215 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 04:21:33,215 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 04:21:33,215 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 04:21:33,222 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:21:33" (1/1) ... [2024-11-12 04:21:33,234 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:21:33" (1/1) ... [2024-11-12 04:21:33,272 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 236 [2024-11-12 04:21:33,273 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 04:21:33,274 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 04:21:33,274 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 04:21:33,274 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 04:21:33,288 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:21:33" (1/1) ... [2024-11-12 04:21:33,289 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:21:33" (1/1) ... [2024-11-12 04:21:33,295 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:21:33" (1/1) ... [2024-11-12 04:21:33,328 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 04:21:33,329 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:21:33" (1/1) ... [2024-11-12 04:21:33,329 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:21:33" (1/1) ... [2024-11-12 04:21:33,347 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:21:33" (1/1) ... [2024-11-12 04:21:33,351 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:21:33" (1/1) ... [2024-11-12 04:21:33,356 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:21:33" (1/1) ... [2024-11-12 04:21:33,363 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:21:33" (1/1) ... [2024-11-12 04:21:33,372 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 04:21:33,374 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 04:21:33,374 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 04:21:33,375 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 04:21:33,376 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:21:33" (1/1) ... [2024-11-12 04:21:33,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 04:21:33,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 04:21:33,410 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 04:21:33,415 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 04:21:33,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 04:21:33,468 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 04:21:33,469 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 04:21:33,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 04:21:33,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 04:21:33,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 04:21:33,560 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 04:21:33,562 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 04:21:34,025 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-12 04:21:34,026 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 04:21:34,043 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 04:21:34,044 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 04:21:34,044 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:21:34 BoogieIcfgContainer [2024-11-12 04:21:34,044 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 04:21:34,047 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 04:21:34,047 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 04:21:34,050 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 04:21:34,050 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 04:21:32" (1/3) ... [2024-11-12 04:21:34,052 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75cabf55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:21:34, skipping insertion in model container [2024-11-12 04:21:34,052 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:21:33" (2/3) ... [2024-11-12 04:21:34,052 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75cabf55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:21:34, skipping insertion in model container [2024-11-12 04:21:34,052 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:21:34" (3/3) ... [2024-11-12 04:21:34,054 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-86.i [2024-11-12 04:21:34,069 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 04:21:34,069 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 04:21:34,133 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 04:21:34,140 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;@67528209, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 04:21:34,140 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 04:21:34,145 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 68 states have (on average 1.4852941176470589) internal successors, (101), 69 states have internal predecessors, (101), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-12 04:21:34,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-12 04:21:34,162 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:21:34,164 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:21:34,164 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:21:34,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:21:34,169 INFO L85 PathProgramCache]: Analyzing trace with hash -2015951129, now seen corresponding path program 1 times [2024-11-12 04:21:34,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:21:34,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310336880] [2024-11-12 04:21:34,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:21:34,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:21:34,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:34,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:21:34,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:34,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:21:34,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:34,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:21:34,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:34,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:21:34,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:34,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:21:34,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:34,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:21:34,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:34,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:21:34,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:34,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:21:34,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:34,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:21:34,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:34,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:21:34,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:34,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:21:34,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:34,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:21:34,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:34,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 04:21:34,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:34,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:21:34,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:34,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 04:21:34,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:34,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:21:34,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:34,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 04:21:34,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:34,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:21:34,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:34,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 04:21:34,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:34,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:21:34,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:34,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 04:21:34,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:34,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:21:34,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:34,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 04:21:34,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:34,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:21:34,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:34,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 04:21:34,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:34,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 04:21:34,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:34,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 04:21:34,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:34,642 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 04:21:34,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:21:34,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310336880] [2024-11-12 04:21:34,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310336880] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:21:34,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:21:34,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 04:21:34,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633280501] [2024-11-12 04:21:34,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:21:34,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 04:21:34,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:21:34,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 04:21:34,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 04:21:34,680 INFO L87 Difference]: Start difference. First operand has 98 states, 68 states have (on average 1.4852941176470589) internal successors, (101), 69 states have internal predecessors, (101), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-12 04:21:34,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:21:34,705 INFO L93 Difference]: Finished difference Result 189 states and 331 transitions. [2024-11-12 04:21:34,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 04:21:34,708 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) Word has length 175 [2024-11-12 04:21:34,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:21:34,716 INFO L225 Difference]: With dead ends: 189 [2024-11-12 04:21:34,716 INFO L226 Difference]: Without dead ends: 94 [2024-11-12 04:21:34,721 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 04:21:34,724 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 04:21:34,726 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 04:21:34,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-12 04:21:34,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-11-12 04:21:34,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 65 states have (on average 1.4307692307692308) internal successors, (93), 65 states have internal predecessors, (93), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-12 04:21:34,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 147 transitions. [2024-11-12 04:21:34,769 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 147 transitions. Word has length 175 [2024-11-12 04:21:34,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:21:34,770 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 147 transitions. [2024-11-12 04:21:34,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-12 04:21:34,771 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 147 transitions. [2024-11-12 04:21:34,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-12 04:21:34,774 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:21:34,774 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:21:34,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 04:21:34,774 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:21:34,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:21:34,775 INFO L85 PathProgramCache]: Analyzing trace with hash 476781609, now seen corresponding path program 1 times [2024-11-12 04:21:34,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:21:34,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376163866] [2024-11-12 04:21:34,776 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:21:34,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:21:34,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:21:35,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:21:35,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:21:35,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:21:35,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:21:35,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:21:35,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:21:35,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:21:35,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:21:35,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:21:35,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:21:35,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:21:35,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 04:21:35,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:21:35,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 04:21:35,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:21:35,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 04:21:35,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:21:35,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 04:21:35,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:21:35,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 04:21:35,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:21:35,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 04:21:35,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:21:35,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 04:21:35,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 04:21:35,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 04:21:35,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,183 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 04:21:35,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:21:35,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376163866] [2024-11-12 04:21:35,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376163866] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:21:35,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:21:35,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 04:21:35,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331862789] [2024-11-12 04:21:35,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:21:35,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 04:21:35,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:21:35,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 04:21:35,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 04:21:35,191 INFO L87 Difference]: Start difference. First operand 94 states and 147 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 04:21:35,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:21:35,230 INFO L93 Difference]: Finished difference Result 186 states and 293 transitions. [2024-11-12 04:21:35,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 04:21:35,231 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2024-11-12 04:21:35,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:21:35,233 INFO L225 Difference]: With dead ends: 186 [2024-11-12 04:21:35,233 INFO L226 Difference]: Without dead ends: 95 [2024-11-12 04:21:35,235 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 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 04:21:35,236 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 0 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 04:21:35,238 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 286 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 04:21:35,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-12 04:21:35,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2024-11-12 04:21:35,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 66 states have (on average 1.4242424242424243) internal successors, (94), 66 states have internal predecessors, (94), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-12 04:21:35,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 148 transitions. [2024-11-12 04:21:35,256 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 148 transitions. Word has length 175 [2024-11-12 04:21:35,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:21:35,258 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 148 transitions. [2024-11-12 04:21:35,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 04:21:35,258 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 148 transitions. [2024-11-12 04:21:35,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-12 04:21:35,265 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:21:35,265 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:21:35,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 04:21:35,265 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:21:35,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:21:35,266 INFO L85 PathProgramCache]: Analyzing trace with hash -1517363097, now seen corresponding path program 1 times [2024-11-12 04:21:35,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:21:35,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634543682] [2024-11-12 04:21:35,266 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:21:35,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:21:35,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:21:35,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:21:35,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:21:35,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:21:35,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:21:35,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:21:35,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:21:35,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:21:35,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:21:35,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:21:35,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:21:35,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:21:35,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 04:21:35,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:21:35,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 04:21:35,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:21:35,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 04:21:35,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:21:35,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 04:21:35,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:21:35,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 04:21:35,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:21:35,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 04:21:35,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:21:35,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 04:21:35,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 04:21:35,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 04:21:35,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:35,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 04:21:35,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:21:35,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634543682] [2024-11-12 04:21:35,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634543682] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:21:35,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:21:35,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 04:21:35,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182391853] [2024-11-12 04:21:35,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:21:35,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 04:21:35,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:21:35,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 04:21:35,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 04:21:35,643 INFO L87 Difference]: Start difference. First operand 95 states and 148 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 04:21:35,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:21:35,921 INFO L93 Difference]: Finished difference Result 280 states and 439 transitions. [2024-11-12 04:21:35,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 04:21:35,922 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2024-11-12 04:21:35,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:21:35,925 INFO L225 Difference]: With dead ends: 280 [2024-11-12 04:21:35,927 INFO L226 Difference]: Without dead ends: 188 [2024-11-12 04:21:35,927 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-12 04:21:35,928 INFO L435 NwaCegarLoop]: 133 mSDtfsCounter, 147 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 04:21:35,931 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 475 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 04:21:35,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-11-12 04:21:35,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 168. [2024-11-12 04:21:35,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 111 states have (on average 1.3963963963963963) internal successors, (155), 111 states have internal predecessors, (155), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-12 04:21:35,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 263 transitions. [2024-11-12 04:21:35,959 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 263 transitions. Word has length 175 [2024-11-12 04:21:35,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:21:35,959 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 263 transitions. [2024-11-12 04:21:35,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 04:21:35,960 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 263 transitions. [2024-11-12 04:21:35,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-12 04:21:35,964 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:21:35,965 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:21:35,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 04:21:35,965 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:21:35,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:21:35,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1766486949, now seen corresponding path program 1 times [2024-11-12 04:21:35,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:21:35,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032510911] [2024-11-12 04:21:35,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:21:35,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:21:35,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:36,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:21:36,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:36,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:21:36,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:36,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:21:36,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:36,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:21:36,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:36,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:21:36,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:36,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:21:36,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:36,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:21:36,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:36,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:21:36,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:36,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:21:36,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:36,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:21:36,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:36,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:21:36,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:36,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:21:36,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:36,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 04:21:36,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:36,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:21:36,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:36,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 04:21:36,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:36,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:21:36,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:36,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 04:21:36,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:36,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:21:36,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:36,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 04:21:36,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:36,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:21:36,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:36,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 04:21:36,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:36,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:21:36,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:36,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 04:21:36,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:36,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:21:36,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:36,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 04:21:36,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:36,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 04:21:36,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:36,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 04:21:36,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:36,268 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 04:21:36,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:21:36,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032510911] [2024-11-12 04:21:36,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032510911] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:21:36,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:21:36,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 04:21:36,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632518890] [2024-11-12 04:21:36,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:21:36,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 04:21:36,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:21:36,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 04:21:36,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 04:21:36,270 INFO L87 Difference]: Start difference. First operand 168 states and 263 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 04:21:36,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:21:36,295 INFO L93 Difference]: Finished difference Result 378 states and 594 transitions. [2024-11-12 04:21:36,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 04:21:36,296 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2024-11-12 04:21:36,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:21:36,298 INFO L225 Difference]: With dead ends: 378 [2024-11-12 04:21:36,299 INFO L226 Difference]: Without dead ends: 260 [2024-11-12 04:21:36,299 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 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 04:21:36,300 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 100 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 04:21:36,300 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 306 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 04:21:36,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2024-11-12 04:21:36,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 258. [2024-11-12 04:21:36,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 173 states have (on average 1.4046242774566473) internal successors, (243), 173 states have internal predecessors, (243), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-12 04:21:36,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 405 transitions. [2024-11-12 04:21:36,326 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 405 transitions. Word has length 175 [2024-11-12 04:21:36,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:21:36,326 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 405 transitions. [2024-11-12 04:21:36,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 04:21:36,327 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 405 transitions. [2024-11-12 04:21:36,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-12 04:21:36,328 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:21:36,328 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:21:36,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 04:21:36,329 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:21:36,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:21:36,329 INFO L85 PathProgramCache]: Analyzing trace with hash 1985341667, now seen corresponding path program 1 times [2024-11-12 04:21:36,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:21:36,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888047891] [2024-11-12 04:21:36,330 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:21:36,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:21:36,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:45,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:21:45,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:45,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:21:45,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:45,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:21:45,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:45,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:21:45,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:45,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:21:45,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:45,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:21:45,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:45,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:21:45,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:45,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:21:45,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:45,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:21:45,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:45,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:21:45,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:45,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:21:45,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:45,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:21:45,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:45,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 04:21:45,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:45,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:21:45,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:45,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 04:21:45,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:45,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:21:45,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:45,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 04:21:45,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:45,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:21:45,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:45,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 04:21:45,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:45,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:21:45,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:45,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 04:21:45,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:45,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:21:45,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:45,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 04:21:45,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:45,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:21:45,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:45,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 04:21:45,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:45,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 04:21:45,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:45,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 04:21:45,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:45,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 04:21:45,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:21:45,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888047891] [2024-11-12 04:21:45,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888047891] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:21:45,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:21:45,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-12 04:21:45,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988590228] [2024-11-12 04:21:45,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:21:45,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-12 04:21:45,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:21:45,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-12 04:21:45,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2024-11-12 04:21:45,411 INFO L87 Difference]: Start difference. First operand 258 states and 405 transitions. Second operand has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 15 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 04:21:48,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:21:48,554 INFO L93 Difference]: Finished difference Result 431 states and 662 transitions. [2024-11-12 04:21:48,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-12 04:21:48,557 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 15 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2024-11-12 04:21:48,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:21:48,562 INFO L225 Difference]: With dead ends: 431 [2024-11-12 04:21:48,563 INFO L226 Difference]: Without dead ends: 339 [2024-11-12 04:21:48,564 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=220, Invalid=650, Unknown=0, NotChecked=0, Total=870 [2024-11-12 04:21:48,566 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 312 mSDsluCounter, 888 mSDsCounter, 0 mSdLazyCounter, 562 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 1009 SdHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 562 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-12 04:21:48,568 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 1009 Invalid, 647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 562 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-12 04:21:48,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2024-11-12 04:21:48,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 274. [2024-11-12 04:21:48,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 189 states have (on average 1.402116402116402) internal successors, (265), 189 states have internal predecessors, (265), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-12 04:21:48,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 427 transitions. [2024-11-12 04:21:48,603 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 427 transitions. Word has length 175 [2024-11-12 04:21:48,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:21:48,603 INFO L471 AbstractCegarLoop]: Abstraction has 274 states and 427 transitions. [2024-11-12 04:21:48,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 15 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 04:21:48,604 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 427 transitions. [2024-11-12 04:21:48,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-12 04:21:48,605 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:21:48,606 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:21:48,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 04:21:48,606 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:21:48,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:21:48,607 INFO L85 PathProgramCache]: Analyzing trace with hash -1608561051, now seen corresponding path program 1 times [2024-11-12 04:21:48,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:21:48,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373020006] [2024-11-12 04:21:48,607 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:21:48,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:21:48,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:48,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:21:48,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:48,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:21:48,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:48,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:21:48,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:48,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:21:48,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:48,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:21:48,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:48,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:21:48,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:48,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:21:48,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:48,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:21:48,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:48,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:21:48,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:48,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:21:48,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:48,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:21:48,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:48,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:21:48,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:48,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 04:21:48,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:48,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:21:48,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:48,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 04:21:48,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:48,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:21:48,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:48,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 04:21:48,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:48,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:21:48,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:48,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 04:21:48,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:48,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:21:48,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:48,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 04:21:48,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:48,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:21:48,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:48,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 04:21:48,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:48,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:21:48,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:48,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 04:21:48,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:48,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 04:21:48,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:48,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 04:21:48,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:48,738 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 04:21:48,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:21:48,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373020006] [2024-11-12 04:21:48,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373020006] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:21:48,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:21:48,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 04:21:48,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073231387] [2024-11-12 04:21:48,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:21:48,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 04:21:48,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:21:48,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 04:21:48,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 04:21:48,740 INFO L87 Difference]: Start difference. First operand 274 states and 427 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 04:21:48,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:21:48,784 INFO L93 Difference]: Finished difference Result 548 states and 860 transitions. [2024-11-12 04:21:48,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 04:21:48,785 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2024-11-12 04:21:48,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:21:48,788 INFO L225 Difference]: With dead ends: 548 [2024-11-12 04:21:48,788 INFO L226 Difference]: Without dead ends: 366 [2024-11-12 04:21:48,789 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 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 04:21:48,790 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 139 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 04:21:48,790 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 293 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 04:21:48,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2024-11-12 04:21:48,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 364. [2024-11-12 04:21:48,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 251 states have (on average 1.3904382470119523) internal successors, (349), 251 states have internal predecessors, (349), 108 states have call successors, (108), 4 states have call predecessors, (108), 4 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-12 04:21:48,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 565 transitions. [2024-11-12 04:21:48,813 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 565 transitions. Word has length 175 [2024-11-12 04:21:48,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:21:48,813 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 565 transitions. [2024-11-12 04:21:48,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 04:21:48,814 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 565 transitions. [2024-11-12 04:21:48,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-12 04:21:48,815 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:21:48,815 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:21:48,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 04:21:48,815 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:21:48,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:21:48,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1257394045, now seen corresponding path program 1 times [2024-11-12 04:21:48,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:21:48,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184753645] [2024-11-12 04:21:48,816 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:21:48,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:21:48,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:48,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:21:48,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:48,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:21:48,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:48,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:21:48,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:48,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:21:48,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:48,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:21:48,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:48,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:21:48,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:48,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:21:48,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:48,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:21:48,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:48,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:21:48,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:48,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:21:48,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:48,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:21:48,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:48,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:21:48,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:48,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 04:21:48,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:48,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:21:48,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:48,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 04:21:48,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:48,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:21:48,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:48,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 04:21:48,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:48,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:21:48,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:48,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 04:21:48,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:48,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:21:48,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:48,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 04:21:48,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:48,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:21:48,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:48,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 04:21:48,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:48,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:21:49,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:49,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 04:21:49,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:49,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 04:21:49,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:49,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 04:21:49,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:49,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 04:21:49,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:21:49,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [184753645] [2024-11-12 04:21:49,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [184753645] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:21:49,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:21:49,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 04:21:49,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495949364] [2024-11-12 04:21:49,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:21:49,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 04:21:49,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:21:49,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 04:21:49,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 04:21:49,012 INFO L87 Difference]: Start difference. First operand 364 states and 565 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 04:21:49,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:21:49,052 INFO L93 Difference]: Finished difference Result 652 states and 1012 transitions. [2024-11-12 04:21:49,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 04:21:49,057 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 176 [2024-11-12 04:21:49,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:21:49,060 INFO L225 Difference]: With dead ends: 652 [2024-11-12 04:21:49,061 INFO L226 Difference]: Without dead ends: 377 [2024-11-12 04:21:49,062 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 57 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 04:21:49,065 INFO L435 NwaCegarLoop]: 144 mSDtfsCounter, 6 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 04:21:49,065 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 274 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 04:21:49,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2024-11-12 04:21:49,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 364. [2024-11-12 04:21:49,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 251 states have (on average 1.3745019920318724) internal successors, (345), 251 states have internal predecessors, (345), 108 states have call successors, (108), 4 states have call predecessors, (108), 4 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-12 04:21:49,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 561 transitions. [2024-11-12 04:21:49,093 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 561 transitions. Word has length 176 [2024-11-12 04:21:49,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:21:49,095 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 561 transitions. [2024-11-12 04:21:49,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 04:21:49,095 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 561 transitions. [2024-11-12 04:21:49,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-12 04:21:49,096 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:21:49,096 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:21:49,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 04:21:49,097 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:21:49,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:21:49,097 INFO L85 PathProgramCache]: Analyzing trace with hash -1262565889, now seen corresponding path program 1 times [2024-11-12 04:21:49,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:21:49,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578887542] [2024-11-12 04:21:49,097 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:21:49,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:21:49,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:54,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:21:54,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:54,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:21:54,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:54,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:21:54,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:54,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:21:54,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:54,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:21:54,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:54,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:21:54,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:54,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:21:54,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:54,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:21:54,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:54,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:21:54,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:54,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:21:54,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:54,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:21:55,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:55,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:21:55,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:55,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 04:21:55,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:55,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:21:55,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:55,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 04:21:55,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:55,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:21:55,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:55,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 04:21:55,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:55,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:21:55,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:55,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 04:21:55,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:55,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:21:55,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:55,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 04:21:55,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:55,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:21:55,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:55,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 04:21:55,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:55,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:21:55,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:55,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 04:21:55,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:55,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 04:21:55,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:55,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 04:21:55,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:21:55,049 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 04:21:55,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:21:55,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578887542] [2024-11-12 04:21:55,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578887542] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:21:55,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:21:55,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-12 04:21:55,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438405329] [2024-11-12 04:21:55,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:21:55,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-12 04:21:55,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:21:55,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-12 04:21:55,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2024-11-12 04:21:55,052 INFO L87 Difference]: Start difference. First operand 364 states and 561 transitions. Second operand has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-12 04:21:59,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:21:59,199 INFO L93 Difference]: Finished difference Result 692 states and 1048 transitions. [2024-11-12 04:21:59,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-12 04:21:59,200 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 176 [2024-11-12 04:21:59,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:21:59,203 INFO L225 Difference]: With dead ends: 692 [2024-11-12 04:21:59,203 INFO L226 Difference]: Without dead ends: 420 [2024-11-12 04:21:59,204 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=279, Invalid=843, Unknown=0, NotChecked=0, Total=1122 [2024-11-12 04:21:59,205 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 502 mSDsluCounter, 817 mSDsCounter, 0 mSdLazyCounter, 685 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 502 SdHoareTripleChecker+Valid, 932 SdHoareTripleChecker+Invalid, 835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-12 04:21:59,206 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [502 Valid, 932 Invalid, 835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 685 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-12 04:21:59,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2024-11-12 04:21:59,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 363. [2024-11-12 04:21:59,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 250 states have (on average 1.372) internal successors, (343), 250 states have internal predecessors, (343), 108 states have call successors, (108), 4 states have call predecessors, (108), 4 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-12 04:21:59,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 559 transitions. [2024-11-12 04:21:59,230 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 559 transitions. Word has length 176 [2024-11-12 04:21:59,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:21:59,230 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 559 transitions. [2024-11-12 04:21:59,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-12 04:21:59,231 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 559 transitions. [2024-11-12 04:21:59,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-12 04:21:59,233 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:21:59,233 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:21:59,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 04:21:59,233 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:21:59,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:21:59,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1469551459, now seen corresponding path program 1 times [2024-11-12 04:21:59,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:21:59,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442000969] [2024-11-12 04:21:59,234 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:21:59,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:21:59,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:03,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:22:03,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:03,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:22:03,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:03,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:22:03,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:03,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:22:03,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:03,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:22:03,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:03,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:22:03,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:03,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:22:03,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:03,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:22:03,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:03,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:22:03,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:03,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:22:03,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:03,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:22:03,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:03,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:22:03,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:03,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 04:22:03,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:03,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:22:03,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:03,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 04:22:03,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:03,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:22:03,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:03,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 04:22:03,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:03,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:22:03,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:03,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 04:22:03,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:03,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:22:03,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:03,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 04:22:03,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:03,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:22:03,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:03,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 04:22:03,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:03,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:22:03,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:03,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 04:22:03,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:03,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 04:22:03,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:03,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 04:22:03,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:03,633 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 04:22:03,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:22:03,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442000969] [2024-11-12 04:22:03,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442000969] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:22:03,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:22:03,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-12 04:22:03,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060942354] [2024-11-12 04:22:03,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:22:03,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-12 04:22:03,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:22:03,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-12 04:22:03,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2024-11-12 04:22:03,636 INFO L87 Difference]: Start difference. First operand 363 states and 559 transitions. Second operand has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 04:22:05,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:22:05,965 INFO L93 Difference]: Finished difference Result 418 states and 621 transitions. [2024-11-12 04:22:05,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-12 04:22:05,967 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 176 [2024-11-12 04:22:05,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:22:05,969 INFO L225 Difference]: With dead ends: 418 [2024-11-12 04:22:05,970 INFO L226 Difference]: Without dead ends: 416 [2024-11-12 04:22:05,971 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 181 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=249, Invalid=743, Unknown=0, NotChecked=0, Total=992 [2024-11-12 04:22:05,972 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 389 mSDsluCounter, 709 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 389 SdHoareTripleChecker+Valid, 830 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-12 04:22:05,973 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [389 Valid, 830 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-12 04:22:05,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2024-11-12 04:22:05,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 366. [2024-11-12 04:22:05,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 253 states have (on average 1.3715415019762847) internal successors, (347), 253 states have internal predecessors, (347), 108 states have call successors, (108), 4 states have call predecessors, (108), 4 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-12 04:22:05,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 563 transitions. [2024-11-12 04:22:05,998 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 563 transitions. Word has length 176 [2024-11-12 04:22:05,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:22:05,998 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 563 transitions. [2024-11-12 04:22:05,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 04:22:05,999 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 563 transitions. [2024-11-12 04:22:06,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-12 04:22:06,001 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:22:06,001 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:22:06,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 04:22:06,001 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:22:06,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:22:06,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1706688612, now seen corresponding path program 1 times [2024-11-12 04:22:06,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:22:06,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682704789] [2024-11-12 04:22:06,002 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:22:06,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:22:06,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:11,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:22:11,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:11,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:22:11,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:11,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:22:11,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:11,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:22:11,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:11,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:22:11,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:11,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:22:11,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:11,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:22:11,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:11,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:22:11,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:11,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:22:11,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:11,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:22:11,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:11,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:22:11,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:11,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:22:11,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:11,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 04:22:11,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:11,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:22:11,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:11,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 04:22:11,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:11,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:22:11,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:11,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 04:22:11,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:11,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:22:11,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:11,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 04:22:11,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:11,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:22:11,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:11,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 04:22:11,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:11,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:22:11,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:11,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 04:22:11,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:11,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:22:11,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:11,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 04:22:11,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:11,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 04:22:11,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:11,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 04:22:11,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:11,872 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 04:22:11,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:22:11,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682704789] [2024-11-12 04:22:11,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682704789] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:22:11,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:22:11,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-12 04:22:11,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353734339] [2024-11-12 04:22:11,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:22:11,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-12 04:22:11,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:22:11,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-12 04:22:11,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-11-12 04:22:11,875 INFO L87 Difference]: Start difference. First operand 366 states and 563 transitions. Second operand has 15 states, 15 states have (on average 2.933333333333333) internal successors, (44), 15 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 04:22:17,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:22:17,136 INFO L93 Difference]: Finished difference Result 436 states and 642 transitions. [2024-11-12 04:22:17,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-12 04:22:17,139 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.933333333333333) internal successors, (44), 15 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 176 [2024-11-12 04:22:17,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:22:17,142 INFO L225 Difference]: With dead ends: 436 [2024-11-12 04:22:17,142 INFO L226 Difference]: Without dead ends: 434 [2024-11-12 04:22:17,143 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=262, Invalid=668, Unknown=0, NotChecked=0, Total=930 [2024-11-12 04:22:17,144 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 349 mSDsluCounter, 701 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 349 SdHoareTripleChecker+Valid, 826 SdHoareTripleChecker+Invalid, 654 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-12 04:22:17,145 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [349 Valid, 826 Invalid, 654 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-12 04:22:17,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2024-11-12 04:22:17,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 376. [2024-11-12 04:22:17,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 263 states have (on average 1.3688212927756653) internal successors, (360), 263 states have internal predecessors, (360), 108 states have call successors, (108), 4 states have call predecessors, (108), 4 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-12 04:22:17,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 576 transitions. [2024-11-12 04:22:17,170 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 576 transitions. Word has length 176 [2024-11-12 04:22:17,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:22:17,170 INFO L471 AbstractCegarLoop]: Abstraction has 376 states and 576 transitions. [2024-11-12 04:22:17,171 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.933333333333333) internal successors, (44), 15 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 04:22:17,171 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 576 transitions. [2024-11-12 04:22:17,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-12 04:22:17,172 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:22:17,173 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:22:17,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 04:22:17,173 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:22:17,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:22:17,174 INFO L85 PathProgramCache]: Analyzing trace with hash -1026630242, now seen corresponding path program 1 times [2024-11-12 04:22:17,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:22:17,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155222535] [2024-11-12 04:22:17,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:22:17,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:22:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:21,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:22:21,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:21,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:22:21,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:21,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:22:21,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:21,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:22:21,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:21,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:22:21,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:21,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:22:21,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:21,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:22:21,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:21,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:22:21,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:21,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:22:21,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:21,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:22:21,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:21,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:22:21,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:21,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:22:21,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:21,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 04:22:21,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:21,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:22:21,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:21,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 04:22:21,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:21,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:22:21,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:21,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 04:22:21,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:21,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:22:21,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:21,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 04:22:21,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:21,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:22:21,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:21,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 04:22:21,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:21,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:22:21,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:21,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 04:22:21,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:21,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:22:21,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:21,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 04:22:21,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:21,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 04:22:21,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:21,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 04:22:21,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:21,676 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 04:22:21,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:22:21,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155222535] [2024-11-12 04:22:21,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155222535] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:22:21,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:22:21,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-12 04:22:21,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440167048] [2024-11-12 04:22:21,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:22:21,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-12 04:22:21,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:22:21,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-12 04:22:21,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2024-11-12 04:22:21,677 INFO L87 Difference]: Start difference. First operand 376 states and 576 transitions. Second operand has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 04:22:26,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:22:26,873 INFO L93 Difference]: Finished difference Result 430 states and 636 transitions. [2024-11-12 04:22:26,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-12 04:22:26,874 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 176 [2024-11-12 04:22:26,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:22:26,877 INFO L225 Difference]: With dead ends: 430 [2024-11-12 04:22:26,877 INFO L226 Difference]: Without dead ends: 428 [2024-11-12 04:22:26,877 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=290, Invalid=702, Unknown=0, NotChecked=0, Total=992 [2024-11-12 04:22:26,878 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 253 mSDsluCounter, 875 mSDsCounter, 0 mSdLazyCounter, 637 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 1000 SdHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-12 04:22:26,878 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 1000 Invalid, 720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 637 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-12 04:22:26,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2024-11-12 04:22:26,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 376. [2024-11-12 04:22:26,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 263 states have (on average 1.3688212927756653) internal successors, (360), 263 states have internal predecessors, (360), 108 states have call successors, (108), 4 states have call predecessors, (108), 4 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-12 04:22:26,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 576 transitions. [2024-11-12 04:22:26,896 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 576 transitions. Word has length 176 [2024-11-12 04:22:26,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:22:26,896 INFO L471 AbstractCegarLoop]: Abstraction has 376 states and 576 transitions. [2024-11-12 04:22:26,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.75) internal successors, (44), 16 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 04:22:26,897 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 576 transitions. [2024-11-12 04:22:26,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-12 04:22:26,898 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:22:26,898 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:22:26,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-12 04:22:26,898 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:22:26,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:22:26,899 INFO L85 PathProgramCache]: Analyzing trace with hash -431334969, now seen corresponding path program 1 times [2024-11-12 04:22:26,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:22:26,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455739505] [2024-11-12 04:22:26,899 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:22:26,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:22:26,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:29,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:22:29,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:29,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:22:29,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:29,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:22:29,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:29,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:22:29,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:29,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:22:29,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:29,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:22:29,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:29,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:22:29,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:29,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:22:29,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:29,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:22:29,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:29,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:22:29,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:29,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:22:29,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:29,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:22:29,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:29,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 04:22:29,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:29,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:22:29,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:29,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 04:22:29,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:29,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:22:29,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:29,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 04:22:29,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:29,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:22:29,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:29,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 04:22:29,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:29,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:22:29,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:29,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 04:22:29,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:29,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:22:29,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:29,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 04:22:29,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:29,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:22:29,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:29,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 04:22:29,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:29,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 04:22:29,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:29,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 04:22:29,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:29,206 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 04:22:29,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:22:29,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1455739505] [2024-11-12 04:22:29,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1455739505] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:22:29,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:22:29,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-12 04:22:29,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462914408] [2024-11-12 04:22:29,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:22:29,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-12 04:22:29,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:22:29,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-12 04:22:29,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2024-11-12 04:22:29,208 INFO L87 Difference]: Start difference. First operand 376 states and 576 transitions. Second operand has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-12 04:22:30,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:22:30,350 INFO L93 Difference]: Finished difference Result 418 states and 622 transitions. [2024-11-12 04:22:30,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-12 04:22:30,351 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 177 [2024-11-12 04:22:30,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:22:30,355 INFO L225 Difference]: With dead ends: 418 [2024-11-12 04:22:30,355 INFO L226 Difference]: Without dead ends: 416 [2024-11-12 04:22:30,356 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=225, Invalid=705, Unknown=0, NotChecked=0, Total=930 [2024-11-12 04:22:30,356 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 338 mSDsluCounter, 983 mSDsCounter, 0 mSdLazyCounter, 1058 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 1105 SdHoareTripleChecker+Invalid, 1174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 1058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-12 04:22:30,357 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [338 Valid, 1105 Invalid, 1174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 1058 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-12 04:22:30,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2024-11-12 04:22:30,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 373. [2024-11-12 04:22:30,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 260 states have (on average 1.3692307692307693) internal successors, (356), 260 states have internal predecessors, (356), 108 states have call successors, (108), 4 states have call predecessors, (108), 4 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-12 04:22:30,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 572 transitions. [2024-11-12 04:22:30,386 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 572 transitions. Word has length 177 [2024-11-12 04:22:30,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:22:30,386 INFO L471 AbstractCegarLoop]: Abstraction has 373 states and 572 transitions. [2024-11-12 04:22:30,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-12 04:22:30,386 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 572 transitions. [2024-11-12 04:22:30,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-12 04:22:30,388 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:22:30,388 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:22:30,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-12 04:22:30,388 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:22:30,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:22:30,389 INFO L85 PathProgramCache]: Analyzing trace with hash 248612454, now seen corresponding path program 1 times [2024-11-12 04:22:30,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:22:30,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658121909] [2024-11-12 04:22:30,389 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:22:30,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:22:30,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:32,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:22:32,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:32,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:22:32,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:32,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:22:32,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:32,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:22:32,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:32,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:22:32,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:32,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:22:32,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:32,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:22:32,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:32,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:22:32,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:32,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:22:32,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:32,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:22:32,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:32,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:22:32,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:32,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:22:32,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:32,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 04:22:32,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:32,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:22:32,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:32,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 04:22:32,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:32,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:22:32,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:32,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 04:22:32,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:32,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:22:32,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:32,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 04:22:32,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:32,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:22:32,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:32,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 04:22:32,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:32,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:22:32,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:32,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 04:22:32,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:32,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:22:32,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:32,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 04:22:32,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:32,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 04:22:32,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:32,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 04:22:32,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:32,643 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 04:22:32,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:22:32,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658121909] [2024-11-12 04:22:32,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658121909] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:22:32,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:22:32,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-12 04:22:32,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219460343] [2024-11-12 04:22:32,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:22:32,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-12 04:22:32,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:22:32,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-12 04:22:32,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2024-11-12 04:22:32,645 INFO L87 Difference]: Start difference. First operand 373 states and 572 transitions. Second operand has 16 states, 16 states have (on average 2.8125) internal successors, (45), 16 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 04:22:34,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:22:34,859 INFO L93 Difference]: Finished difference Result 438 states and 644 transitions. [2024-11-12 04:22:34,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-12 04:22:34,860 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.8125) internal successors, (45), 16 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 177 [2024-11-12 04:22:34,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:22:34,863 INFO L225 Difference]: With dead ends: 438 [2024-11-12 04:22:34,863 INFO L226 Difference]: Without dead ends: 436 [2024-11-12 04:22:34,864 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 268 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=387, Invalid=1019, Unknown=0, NotChecked=0, Total=1406 [2024-11-12 04:22:34,864 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 368 mSDsluCounter, 671 mSDsCounter, 0 mSdLazyCounter, 537 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 368 SdHoareTripleChecker+Valid, 795 SdHoareTripleChecker+Invalid, 648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 537 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-12 04:22:34,864 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [368 Valid, 795 Invalid, 648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 537 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-12 04:22:34,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2024-11-12 04:22:34,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 376. [2024-11-12 04:22:34,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 376 states, 263 states have (on average 1.3688212927756653) internal successors, (360), 263 states have internal predecessors, (360), 108 states have call successors, (108), 4 states have call predecessors, (108), 4 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-12 04:22:34,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 576 transitions. [2024-11-12 04:22:34,885 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 576 transitions. Word has length 177 [2024-11-12 04:22:34,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:22:34,885 INFO L471 AbstractCegarLoop]: Abstraction has 376 states and 576 transitions. [2024-11-12 04:22:34,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.8125) internal successors, (45), 16 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 04:22:34,885 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 576 transitions. [2024-11-12 04:22:34,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-12 04:22:34,886 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:22:34,886 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:22:34,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-12 04:22:34,887 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:22:34,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:22:34,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1312390452, now seen corresponding path program 1 times [2024-11-12 04:22:34,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:22:34,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193122810] [2024-11-12 04:22:34,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:22:34,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:22:34,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:39,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:22:39,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:39,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:22:39,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:39,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:22:39,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:39,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:22:39,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:39,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:22:39,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:39,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:22:39,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:39,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:22:39,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:39,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:22:39,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:39,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:22:39,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:39,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:22:39,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:39,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:22:39,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:39,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:22:39,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:39,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 04:22:39,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:39,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:22:39,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:39,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 04:22:39,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:39,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:22:39,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:39,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 04:22:39,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:39,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:22:39,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:39,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 04:22:39,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:39,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:22:39,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:39,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 04:22:39,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:39,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:22:39,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:39,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 04:22:39,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:39,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:22:39,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:39,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 04:22:39,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:39,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 04:22:39,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:39,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 04:22:39,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:39,658 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 04:22:39,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:22:39,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193122810] [2024-11-12 04:22:39,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193122810] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:22:39,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:22:39,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-12 04:22:39,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207109418] [2024-11-12 04:22:39,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:22:39,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-12 04:22:39,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:22:39,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-12 04:22:39,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2024-11-12 04:22:39,660 INFO L87 Difference]: Start difference. First operand 376 states and 576 transitions. Second operand has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 04:22:43,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:22:43,890 INFO L93 Difference]: Finished difference Result 434 states and 640 transitions. [2024-11-12 04:22:43,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-12 04:22:43,891 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 177 [2024-11-12 04:22:43,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:22:43,893 INFO L225 Difference]: With dead ends: 434 [2024-11-12 04:22:43,893 INFO L226 Difference]: Without dead ends: 432 [2024-11-12 04:22:43,894 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=314, Invalid=876, Unknown=0, NotChecked=0, Total=1190 [2024-11-12 04:22:43,896 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 357 mSDsluCounter, 805 mSDsCounter, 0 mSdLazyCounter, 726 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 932 SdHoareTripleChecker+Invalid, 836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-12 04:22:43,896 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [357 Valid, 932 Invalid, 836 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 726 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-12 04:22:43,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2024-11-12 04:22:43,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 379. [2024-11-12 04:22:43,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 266 states have (on average 1.368421052631579) internal successors, (364), 266 states have internal predecessors, (364), 108 states have call successors, (108), 4 states have call predecessors, (108), 4 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-12 04:22:43,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 580 transitions. [2024-11-12 04:22:43,918 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 580 transitions. Word has length 177 [2024-11-12 04:22:43,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:22:43,919 INFO L471 AbstractCegarLoop]: Abstraction has 379 states and 580 transitions. [2024-11-12 04:22:43,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-12 04:22:43,919 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 580 transitions. [2024-11-12 04:22:43,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-12 04:22:43,920 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:22:43,920 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:22:43,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-12 04:22:43,920 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:22:43,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:22:43,921 INFO L85 PathProgramCache]: Analyzing trace with hash -144414556, now seen corresponding path program 1 times [2024-11-12 04:22:43,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:22:43,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228519615] [2024-11-12 04:22:43,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:22:43,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:22:43,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:51,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:22:51,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:51,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:22:51,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:51,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:22:51,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:51,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:22:51,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:51,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:22:51,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:51,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:22:51,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:51,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:22:51,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:51,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:22:51,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:51,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:22:51,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:51,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:22:51,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:51,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:22:51,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:51,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:22:51,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:51,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 04:22:51,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:51,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:22:51,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:51,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 04:22:51,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:51,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:22:51,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:51,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 04:22:51,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:51,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:22:51,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:51,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 04:22:51,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:51,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 04:22:51,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:51,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 04:22:51,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:51,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 04:22:51,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:51,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 04:22:51,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:51,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 04:22:51,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:51,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 04:22:51,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:51,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 04:22:51,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:51,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-12 04:22:51,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:22:51,447 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-12 04:22:51,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:22:51,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228519615] [2024-11-12 04:22:51,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228519615] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:22:51,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:22:51,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-12 04:22:51,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305677767] [2024-11-12 04:22:51,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:22:51,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-12 04:22:51,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:22:51,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-12 04:22:51,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2024-11-12 04:22:51,450 INFO L87 Difference]: Start difference. First operand 379 states and 580 transitions. Second operand has 18 states, 18 states have (on average 2.5) internal successors, (45), 18 states have internal predecessors, (45), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)