./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-34.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-34.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 fab5880c6add66d25f9dda30d1a24e14051ec77fdefc3f83f67a5e43bacfe3df --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 04:15:19,207 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 04:15:19,287 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 04:15:19,292 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 04:15:19,294 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 04:15:19,318 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 04:15:19,321 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 04:15:19,321 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 04:15:19,322 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 04:15:19,323 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 04:15:19,323 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 04:15:19,323 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 04:15:19,324 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 04:15:19,324 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 04:15:19,326 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 04:15:19,326 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 04:15:19,327 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 04:15:19,327 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 04:15:19,327 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 04:15:19,330 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 04:15:19,330 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 04:15:19,330 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 04:15:19,331 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 04:15:19,331 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 04:15:19,331 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 04:15:19,331 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 04:15:19,331 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 04:15:19,332 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 04:15:19,332 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 04:15:19,332 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 04:15:19,333 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 04:15:19,334 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 04:15:19,334 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 04:15:19,334 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 04:15:19,334 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 04:15:19,334 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 04:15:19,335 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 04:15:19,335 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 04:15:19,335 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 04:15:19,335 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 04:15:19,335 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 04:15:19,337 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 04:15:19,337 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fab5880c6add66d25f9dda30d1a24e14051ec77fdefc3f83f67a5e43bacfe3df [2024-11-12 04:15:19,566 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 04:15:19,588 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 04:15:19,590 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 04:15:19,592 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 04:15:19,592 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 04:15:19,593 INFO L431 ainManager$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-34.i [2024-11-12 04:15:20,896 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 04:15:21,075 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 04:15:21,076 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-34.i [2024-11-12 04:15:21,087 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d025e832e/54e0af2a8e04465e963eb37b7676abab/FLAG9491348ff [2024-11-12 04:15:21,104 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d025e832e/54e0af2a8e04465e963eb37b7676abab [2024-11-12 04:15:21,106 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 04:15:21,109 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 04:15:21,111 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 04:15:21,111 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 04:15:21,115 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 04:15:21,116 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:15:21" (1/1) ... [2024-11-12 04:15:21,118 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70edb32b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:15:21, skipping insertion in model container [2024-11-12 04:15:21,119 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:15:21" (1/1) ... [2024-11-12 04:15:21,161 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 04:15:21,310 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-34.i[919,932] [2024-11-12 04:15:21,400 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 04:15:21,414 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 04:15:21,426 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-34.i[919,932] [2024-11-12 04:15:21,467 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 04:15:21,485 INFO L204 MainTranslator]: Completed translation [2024-11-12 04:15:21,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:15:21 WrapperNode [2024-11-12 04:15:21,486 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 04:15:21,487 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 04:15:21,488 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 04:15:21,488 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 04:15:21,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:15:21" (1/1) ... [2024-11-12 04:15:21,510 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:15:21" (1/1) ... [2024-11-12 04:15:21,554 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 248 [2024-11-12 04:15:21,554 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 04:15:21,555 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 04:15:21,555 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 04:15:21,555 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 04:15:21,565 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:15:21" (1/1) ... [2024-11-12 04:15:21,566 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:15:21" (1/1) ... [2024-11-12 04:15:21,569 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:15:21" (1/1) ... [2024-11-12 04:15:21,591 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 04:15:21,591 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:15:21" (1/1) ... [2024-11-12 04:15:21,591 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:15:21" (1/1) ... [2024-11-12 04:15:21,599 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:15:21" (1/1) ... [2024-11-12 04:15:21,603 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:15:21" (1/1) ... [2024-11-12 04:15:21,605 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:15:21" (1/1) ... [2024-11-12 04:15:21,607 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:15:21" (1/1) ... [2024-11-12 04:15:21,611 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 04:15:21,612 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 04:15:21,612 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 04:15:21,612 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 04:15:21,618 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:15:21" (1/1) ... [2024-11-12 04:15:21,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 04:15:21,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 04:15:21,651 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 04:15:21,660 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 04:15:21,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 04:15:21,701 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 04:15:21,702 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 04:15:21,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 04:15:21,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 04:15:21,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 04:15:21,792 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 04:15:21,794 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 04:15:22,194 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-12 04:15:22,194 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 04:15:22,208 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 04:15:22,208 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 04:15:22,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:15:22 BoogieIcfgContainer [2024-11-12 04:15:22,209 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 04:15:22,211 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 04:15:22,211 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 04:15:22,214 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 04:15:22,214 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 04:15:21" (1/3) ... [2024-11-12 04:15:22,215 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc075d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:15:22, skipping insertion in model container [2024-11-12 04:15:22,215 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:15:21" (2/3) ... [2024-11-12 04:15:22,216 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc075d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:15:22, skipping insertion in model container [2024-11-12 04:15:22,216 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:15:22" (3/3) ... [2024-11-12 04:15:22,217 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-34.i [2024-11-12 04:15:22,231 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 04:15:22,231 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 04:15:22,317 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 04:15:22,325 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;@1b1c98a8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 04:15:22,330 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 04:15:22,335 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 73 states have (on average 1.4931506849315068) internal successors, (109), 74 states have internal predecessors, (109), 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 04:15:22,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-12 04:15:22,350 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:15:22,351 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, 1, 1] [2024-11-12 04:15:22,352 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:15:22,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:15:22,360 INFO L85 PathProgramCache]: Analyzing trace with hash -558081827, now seen corresponding path program 1 times [2024-11-12 04:15:22,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:15:22,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451170453] [2024-11-12 04:15:22,371 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:15:22,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:15:22,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:15:22,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:15:22,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 04:15:22,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:15:22,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 04:15:22,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:15:22,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 04:15:22,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:15:22,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 04:15:22,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:15:22,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 04:15:22,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:15:22,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 04:15:22,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:15:22,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:15:22,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 04:15:22,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 04:15:22,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 04:15:22,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 04:15:22,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 04:15:22,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 04:15:22,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 04:15:22,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:15:22,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 04:15:22,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 04:15:22,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 04:15:22,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 04:15:22,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:22,785 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 04:15:22,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:15:22,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451170453] [2024-11-12 04:15:22,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451170453] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:15:22,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:15:22,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 04:15:22,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433352967] [2024-11-12 04:15:22,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:15:22,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 04:15:22,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:15:22,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 04:15:22,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 04:15:22,816 INFO L87 Difference]: Start difference. First operand has 103 states, 73 states have (on average 1.4931506849315068) internal successors, (109), 74 states have internal predecessors, (109), 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 23.5) internal successors, (47), 2 states have internal predecessors, (47), 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 04:15:22,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:15:22,840 INFO L93 Difference]: Finished difference Result 199 states and 347 transitions. [2024-11-12 04:15:22,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 04:15:22,843 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 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 179 [2024-11-12 04:15:22,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:15:22,853 INFO L225 Difference]: With dead ends: 199 [2024-11-12 04:15:22,854 INFO L226 Difference]: Without dead ends: 99 [2024-11-12 04:15:22,858 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 04:15:22,863 INFO L435 NwaCegarLoop]: 156 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, 156 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 04:15:22,865 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 04:15:22,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-12 04:15:22,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2024-11-12 04:15:22,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 70 states have (on average 1.457142857142857) internal successors, (102), 70 states have internal predecessors, (102), 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 04:15:22,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 156 transitions. [2024-11-12 04:15:22,917 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 156 transitions. Word has length 179 [2024-11-12 04:15:22,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:15:22,917 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 156 transitions. [2024-11-12 04:15:22,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 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 04:15:22,918 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 156 transitions. [2024-11-12 04:15:22,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-12 04:15:22,920 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:15:22,920 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, 1, 1] [2024-11-12 04:15:22,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 04:15:22,921 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:15:22,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:15:22,922 INFO L85 PathProgramCache]: Analyzing trace with hash -14833821, now seen corresponding path program 1 times [2024-11-12 04:15:22,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:15:22,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322702756] [2024-11-12 04:15:22,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:15:22,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:15:23,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:23,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:15:23,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:23,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:15:23,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:23,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 04:15:23,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:23,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:15:23,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:23,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 04:15:23,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:23,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:15:23,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:23,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 04:15:23,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:23,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:15:23,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:23,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 04:15:23,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:23,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:15:23,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:23,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 04:15:23,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:23,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:15:23,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:23,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 04:15:23,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:23,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:15:23,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:23,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:15:23,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:23,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 04:15:23,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:23,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 04:15:23,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:23,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 04:15:23,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:23,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 04:15:23,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:23,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 04:15:23,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:23,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 04:15:23,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:23,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 04:15:23,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:23,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:15:23,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:23,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 04:15:23,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:23,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 04:15:23,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:23,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 04:15:23,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:23,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 04:15:23,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:23,548 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 04:15:23,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:15:23,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322702756] [2024-11-12 04:15:23,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322702756] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:15:23,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:15:23,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 04:15:23,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247291269] [2024-11-12 04:15:23,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:15:23,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 04:15:23,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:15:23,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 04:15:23,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 04:15:23,554 INFO L87 Difference]: Start difference. First operand 99 states and 156 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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 04:15:23,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:15:23,757 INFO L93 Difference]: Finished difference Result 321 states and 507 transitions. [2024-11-12 04:15:23,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 04:15:23,757 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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 179 [2024-11-12 04:15:23,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:15:23,760 INFO L225 Difference]: With dead ends: 321 [2024-11-12 04:15:23,761 INFO L226 Difference]: Without dead ends: 225 [2024-11-12 04:15:23,762 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 04:15:23,762 INFO L435 NwaCegarLoop]: 191 mSDtfsCounter, 168 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 04:15:23,763 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 486 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 04:15:23,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-11-12 04:15:23,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 195. [2024-11-12 04:15:23,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 138 states have (on average 1.4565217391304348) internal successors, (201), 138 states have internal predecessors, (201), 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 04:15:23,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 309 transitions. [2024-11-12 04:15:23,799 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 309 transitions. Word has length 179 [2024-11-12 04:15:23,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:15:23,802 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 309 transitions. [2024-11-12 04:15:23,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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 04:15:23,802 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 309 transitions. [2024-11-12 04:15:23,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-12 04:15:23,807 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:15:23,807 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, 1, 1, 1] [2024-11-12 04:15:23,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 04:15:23,808 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:15:23,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:15:23,808 INFO L85 PathProgramCache]: Analyzing trace with hash -1320105348, now seen corresponding path program 1 times [2024-11-12 04:15:23,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:15:23,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593103405] [2024-11-12 04:15:23,809 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:15:23,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:15:23,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:24,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:15:24,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:24,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:15:24,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:24,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 04:15:24,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:24,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:15:24,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:24,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 04:15:24,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:24,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:15:24,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:24,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 04:15:24,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:24,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:15:24,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:24,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 04:15:24,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:24,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:15:24,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:24,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 04:15:24,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:24,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:15:24,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:24,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 04:15:24,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:24,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:15:24,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:24,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:15:24,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:24,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 04:15:24,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:24,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 04:15:24,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:24,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 04:15:24,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:24,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 04:15:24,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:24,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 04:15:24,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:24,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 04:15:24,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:24,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 04:15:24,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:24,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:15:24,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:24,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 04:15:24,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:24,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 04:15:24,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:24,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 04:15:24,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:24,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 04:15:24,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:24,248 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 04:15:24,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:15:24,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593103405] [2024-11-12 04:15:24,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593103405] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:15:24,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:15:24,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 04:15:24,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748937959] [2024-11-12 04:15:24,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:15:24,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 04:15:24,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:15:24,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 04:15:24,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 04:15:24,254 INFO L87 Difference]: Start difference. First operand 195 states and 309 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 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 04:15:24,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:15:24,616 INFO L93 Difference]: Finished difference Result 574 states and 910 transitions. [2024-11-12 04:15:24,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 04:15:24,616 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 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 180 [2024-11-12 04:15:24,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:15:24,622 INFO L225 Difference]: With dead ends: 574 [2024-11-12 04:15:24,622 INFO L226 Difference]: Without dead ends: 382 [2024-11-12 04:15:24,624 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-12 04:15:24,626 INFO L435 NwaCegarLoop]: 267 mSDtfsCounter, 206 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 04:15:24,626 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 513 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 04:15:24,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2024-11-12 04:15:24,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 199. [2024-11-12 04:15:24,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 142 states have (on average 1.443661971830986) internal successors, (205), 142 states have internal predecessors, (205), 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 04:15:24,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 313 transitions. [2024-11-12 04:15:24,653 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 313 transitions. Word has length 180 [2024-11-12 04:15:24,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:15:24,653 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 313 transitions. [2024-11-12 04:15:24,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 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 04:15:24,653 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 313 transitions. [2024-11-12 04:15:24,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-12 04:15:24,655 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:15:24,655 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, 1, 1, 1, 1] [2024-11-12 04:15:24,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 04:15:24,656 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:15:24,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:15:24,656 INFO L85 PathProgramCache]: Analyzing trace with hash 845962460, now seen corresponding path program 1 times [2024-11-12 04:15:24,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:15:24,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74753460] [2024-11-12 04:15:24,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:15:24,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:15:24,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:26,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:15:26,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:26,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:15:26,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:26,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 04:15:26,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:26,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:15:26,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:26,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 04:15:26,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:26,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:15:26,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:26,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 04:15:26,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:26,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:15:26,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:26,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 04:15:27,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:27,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:15:27,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:27,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 04:15:27,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:27,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:15:27,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:27,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 04:15:27,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:27,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:15:27,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:27,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:15:27,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:27,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 04:15:27,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:27,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 04:15:27,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:27,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 04:15:27,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:27,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 04:15:27,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:27,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 04:15:27,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:27,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 04:15:27,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:27,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 04:15:27,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:27,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:15:27,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:27,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 04:15:27,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:27,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 04:15:27,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:27,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 04:15:27,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:27,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 04:15:27,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:27,210 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 04:15:27,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:15:27,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74753460] [2024-11-12 04:15:27,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74753460] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:15:27,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:15:27,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 04:15:27,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608747189] [2024-11-12 04:15:27,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:15:27,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 04:15:27,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:15:27,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 04:15:27,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-12 04:15:27,214 INFO L87 Difference]: Start difference. First operand 199 states and 313 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 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 04:15:27,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:15:27,817 INFO L93 Difference]: Finished difference Result 588 states and 915 transitions. [2024-11-12 04:15:27,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 04:15:27,817 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 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 181 [2024-11-12 04:15:27,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:15:27,820 INFO L225 Difference]: With dead ends: 588 [2024-11-12 04:15:27,820 INFO L226 Difference]: Without dead ends: 392 [2024-11-12 04:15:27,821 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-12 04:15:27,822 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 210 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 210 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 04:15:27,822 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [210 Valid, 496 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 04:15:27,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2024-11-12 04:15:27,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 278. [2024-11-12 04:15:27,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 193 states have (on average 1.4352331606217616) internal successors, (277), 193 states have internal predecessors, (277), 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 04:15:27,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 439 transitions. [2024-11-12 04:15:27,869 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 439 transitions. Word has length 181 [2024-11-12 04:15:27,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:15:27,870 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 439 transitions. [2024-11-12 04:15:27,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 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 04:15:27,871 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 439 transitions. [2024-11-12 04:15:27,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-12 04:15:27,873 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:15:27,873 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, 1, 1, 1, 1] [2024-11-12 04:15:27,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 04:15:27,873 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:15:27,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:15:27,873 INFO L85 PathProgramCache]: Analyzing trace with hash 2116095531, now seen corresponding path program 1 times [2024-11-12 04:15:27,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:15:27,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715193669] [2024-11-12 04:15:27,874 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:15:27,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:15:28,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:15:34,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:15:34,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 04:15:34,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:15:34,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 04:15:34,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:15:34,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 04:15:34,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:15:34,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 04:15:34,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:15:34,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 04:15:34,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:15:34,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 04:15:34,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:15:34,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:15:34,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 04:15:34,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 04:15:34,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 04:15:34,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 04:15:34,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 04:15:34,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 04:15:34,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 04:15:34,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:15:34,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 04:15:34,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 04:15:34,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 04:15:34,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 04:15:34,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:34,337 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 04:15:34,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:15:34,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715193669] [2024-11-12 04:15:34,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715193669] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:15:34,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:15:34,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-12 04:15:34,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073752199] [2024-11-12 04:15:34,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:15:34,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-12 04:15:34,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:15:34,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-12 04:15:34,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-12 04:15:34,339 INFO L87 Difference]: Start difference. First operand 278 states and 439 transitions. Second operand has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 13 states have internal predecessors, (49), 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 04:15:36,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:15:36,457 INFO L93 Difference]: Finished difference Result 718 states and 1092 transitions. [2024-11-12 04:15:36,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-12 04:15:36,457 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 13 states have internal predecessors, (49), 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 181 [2024-11-12 04:15:36,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:15:36,462 INFO L225 Difference]: With dead ends: 718 [2024-11-12 04:15:36,463 INFO L226 Difference]: Without dead ends: 505 [2024-11-12 04:15:36,464 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=141, Invalid=411, Unknown=0, NotChecked=0, Total=552 [2024-11-12 04:15:36,464 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 677 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 900 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 677 SdHoareTripleChecker+Valid, 675 SdHoareTripleChecker+Invalid, 997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 900 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-12 04:15:36,465 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [677 Valid, 675 Invalid, 997 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 900 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-12 04:15:36,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2024-11-12 04:15:36,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 351. [2024-11-12 04:15:36,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 266 states have (on average 1.4360902255639099) internal successors, (382), 266 states have internal predecessors, (382), 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 04:15:36,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 544 transitions. [2024-11-12 04:15:36,507 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 544 transitions. Word has length 181 [2024-11-12 04:15:36,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:15:36,508 INFO L471 AbstractCegarLoop]: Abstraction has 351 states and 544 transitions. [2024-11-12 04:15:36,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.769230769230769) internal successors, (49), 13 states have internal predecessors, (49), 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 04:15:36,508 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 544 transitions. [2024-11-12 04:15:36,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-12 04:15:36,510 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:15:36,510 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, 1, 1, 1, 1] [2024-11-12 04:15:36,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 04:15:36,510 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:15:36,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:15:36,511 INFO L85 PathProgramCache]: Analyzing trace with hash -403864403, now seen corresponding path program 1 times [2024-11-12 04:15:36,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:15:36,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704875072] [2024-11-12 04:15:36,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:15:36,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:15:36,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:38,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:15:38,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:38,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:15:38,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:38,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 04:15:38,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:38,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:15:38,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:38,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 04:15:38,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:38,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:15:38,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:38,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 04:15:38,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:38,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:15:38,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:38,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 04:15:38,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:38,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:15:38,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:38,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 04:15:38,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:38,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:15:38,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:38,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 04:15:38,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:38,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:15:38,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:38,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:15:38,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:38,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 04:15:38,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:38,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 04:15:38,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:38,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 04:15:38,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:38,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 04:15:38,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:38,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 04:15:38,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:38,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 04:15:38,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:38,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 04:15:38,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:38,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:15:38,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:38,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 04:15:38,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:38,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 04:15:38,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:38,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 04:15:38,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:38,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 04:15:38,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:38,718 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 04:15:38,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:15:38,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704875072] [2024-11-12 04:15:38,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704875072] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:15:38,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:15:38,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 04:15:38,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930867013] [2024-11-12 04:15:38,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:15:38,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 04:15:38,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:15:38,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 04:15:38,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-12 04:15:38,721 INFO L87 Difference]: Start difference. First operand 351 states and 544 transitions. Second operand has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 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 04:15:39,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:15:39,791 INFO L93 Difference]: Finished difference Result 774 states and 1190 transitions. [2024-11-12 04:15:39,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 04:15:39,791 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 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 181 [2024-11-12 04:15:39,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:15:39,794 INFO L225 Difference]: With dead ends: 774 [2024-11-12 04:15:39,795 INFO L226 Difference]: Without dead ends: 562 [2024-11-12 04:15:39,796 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-11-12 04:15:39,798 INFO L435 NwaCegarLoop]: 105 mSDtfsCounter, 406 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-12 04:15:39,799 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [406 Valid, 492 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 470 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-12 04:15:39,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2024-11-12 04:15:39,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 396. [2024-11-12 04:15:39,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 396 states, 311 states have (on average 1.4244372990353698) internal successors, (443), 311 states have internal predecessors, (443), 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 04:15:39,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 605 transitions. [2024-11-12 04:15:39,834 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 605 transitions. Word has length 181 [2024-11-12 04:15:39,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:15:39,835 INFO L471 AbstractCegarLoop]: Abstraction has 396 states and 605 transitions. [2024-11-12 04:15:39,835 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 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 04:15:39,835 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 605 transitions. [2024-11-12 04:15:39,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-12 04:15:39,836 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:15:39,837 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, 1, 1, 1, 1] [2024-11-12 04:15:39,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 04:15:39,837 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:15:39,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:15:39,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1498813395, now seen corresponding path program 1 times [2024-11-12 04:15:39,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:15:39,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844831171] [2024-11-12 04:15:39,838 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:15:39,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:15:39,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:42,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:15:42,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:42,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:15:42,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:42,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 04:15:42,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:42,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:15:42,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:42,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 04:15:42,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:42,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:15:42,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:42,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 04:15:42,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:42,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:15:42,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:42,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 04:15:42,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:42,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:15:42,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:42,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 04:15:42,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:42,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:15:42,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:42,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 04:15:42,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:42,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:15:42,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:42,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:15:42,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:42,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 04:15:42,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:42,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 04:15:42,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:42,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 04:15:42,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:42,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 04:15:42,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:42,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 04:15:42,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:42,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 04:15:42,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:42,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 04:15:42,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:42,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:15:42,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:42,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 04:15:42,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:42,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 04:15:42,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:42,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 04:15:42,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:42,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 04:15:42,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:42,202 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 04:15:42,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:15:42,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844831171] [2024-11-12 04:15:42,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844831171] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:15:42,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:15:42,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-12 04:15:42,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24127168] [2024-11-12 04:15:42,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:15:42,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-12 04:15:42,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:15:42,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-12 04:15:42,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-12 04:15:42,204 INFO L87 Difference]: Start difference. First operand 396 states and 605 transitions. Second operand has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 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 04:15:43,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:15:43,185 INFO L93 Difference]: Finished difference Result 746 states and 1132 transitions. [2024-11-12 04:15:43,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 04:15:43,185 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 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 181 [2024-11-12 04:15:43,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:15:43,190 INFO L225 Difference]: With dead ends: 746 [2024-11-12 04:15:43,190 INFO L226 Difference]: Without dead ends: 532 [2024-11-12 04:15:43,191 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 59 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2024-11-12 04:15:43,192 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 322 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 568 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 560 SdHoareTripleChecker+Invalid, 656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-12 04:15:43,192 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 560 Invalid, 656 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 568 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-12 04:15:43,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2024-11-12 04:15:43,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 416. [2024-11-12 04:15:43,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 331 states have (on average 1.4350453172205437) internal successors, (475), 331 states have internal predecessors, (475), 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 04:15:43,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 637 transitions. [2024-11-12 04:15:43,227 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 637 transitions. Word has length 181 [2024-11-12 04:15:43,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:15:43,228 INFO L471 AbstractCegarLoop]: Abstraction has 416 states and 637 transitions. [2024-11-12 04:15:43,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 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 04:15:43,229 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 637 transitions. [2024-11-12 04:15:43,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-12 04:15:43,230 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:15:43,230 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, 1, 1, 1, 1] [2024-11-12 04:15:43,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 04:15:43,230 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:15:43,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:15:43,231 INFO L85 PathProgramCache]: Analyzing trace with hash -165154790, now seen corresponding path program 1 times [2024-11-12 04:15:43,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:15:43,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45310453] [2024-11-12 04:15:43,231 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:15:43,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:15:43,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:43,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:15:43,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:43,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:15:43,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:43,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 04:15:43,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:43,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:15:43,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:43,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 04:15:43,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:43,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:15:43,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:43,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 04:15:43,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:43,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:15:43,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:43,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 04:15:43,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:43,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:15:43,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:43,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 04:15:43,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:43,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:15:43,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:43,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 04:15:43,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:43,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:15:43,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:43,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:15:43,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:43,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 04:15:43,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:43,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 04:15:43,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:43,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 04:15:43,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:43,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 04:15:43,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:43,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 04:15:43,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:43,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 04:15:43,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:43,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 04:15:43,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:43,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:15:43,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:43,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 04:15:43,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:43,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 04:15:43,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:43,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 04:15:43,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:43,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 04:15:43,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:43,651 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 04:15:43,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:15:43,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45310453] [2024-11-12 04:15:43,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45310453] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:15:43,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:15:43,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 04:15:43,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683224389] [2024-11-12 04:15:43,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:15:43,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 04:15:43,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:15:43,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 04:15:43,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 04:15:43,653 INFO L87 Difference]: Start difference. First operand 416 states and 637 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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 04:15:43,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:15:43,896 INFO L93 Difference]: Finished difference Result 672 states and 1032 transitions. [2024-11-12 04:15:43,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 04:15:43,897 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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 181 [2024-11-12 04:15:43,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:15:43,899 INFO L225 Difference]: With dead ends: 672 [2024-11-12 04:15:43,900 INFO L226 Difference]: Without dead ends: 416 [2024-11-12 04:15:43,901 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 04:15:43,901 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 120 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 04:15:43,901 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 377 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 04:15:43,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2024-11-12 04:15:43,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 388. [2024-11-12 04:15:43,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 388 states, 303 states have (on average 1.4026402640264026) internal successors, (425), 303 states have internal predecessors, (425), 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 04:15:43,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 587 transitions. [2024-11-12 04:15:43,931 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 587 transitions. Word has length 181 [2024-11-12 04:15:43,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:15:43,932 INFO L471 AbstractCegarLoop]: Abstraction has 388 states and 587 transitions. [2024-11-12 04:15:43,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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 04:15:43,932 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 587 transitions. [2024-11-12 04:15:43,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-12 04:15:43,934 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:15:43,934 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, 1, 1, 1, 1, 1] [2024-11-12 04:15:43,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 04:15:43,934 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:15:43,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:15:43,935 INFO L85 PathProgramCache]: Analyzing trace with hash 443906289, now seen corresponding path program 1 times [2024-11-12 04:15:43,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:15:43,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120801186] [2024-11-12 04:15:43,935 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:15:43,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:15:43,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:46,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:15:46,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:46,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:15:46,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:46,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 04:15:46,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:46,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:15:46,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:46,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 04:15:46,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:46,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:15:46,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:46,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 04:15:46,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:46,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:15:46,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:46,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 04:15:46,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:46,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:15:46,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:46,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 04:15:46,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:46,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:15:46,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:46,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 04:15:46,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:46,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:15:46,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:46,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:15:46,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:46,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 04:15:46,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:46,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 04:15:46,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:46,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 04:15:46,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:46,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 04:15:46,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:46,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 04:15:46,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:46,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 04:15:46,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:46,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 04:15:46,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:46,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:15:46,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:46,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 04:15:46,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:46,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 04:15:46,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:46,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 04:15:46,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:46,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 04:15:46,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:46,686 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 04:15:46,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:15:46,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120801186] [2024-11-12 04:15:46,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120801186] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:15:46,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:15:46,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 04:15:46,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312829707] [2024-11-12 04:15:46,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:15:46,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 04:15:46,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:15:46,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 04:15:46,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-12 04:15:46,687 INFO L87 Difference]: Start difference. First operand 388 states and 587 transitions. Second operand has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 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 04:15:48,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:15:48,042 INFO L93 Difference]: Finished difference Result 769 states and 1149 transitions. [2024-11-12 04:15:48,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-12 04:15:48,043 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 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 182 [2024-11-12 04:15:48,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:15:48,046 INFO L225 Difference]: With dead ends: 769 [2024-11-12 04:15:48,046 INFO L226 Difference]: Without dead ends: 573 [2024-11-12 04:15:48,047 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2024-11-12 04:15:48,048 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 469 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 469 SdHoareTripleChecker+Valid, 679 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-12 04:15:48,049 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [469 Valid, 679 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-12 04:15:48,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2024-11-12 04:15:48,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 416. [2024-11-12 04:15:48,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 329 states have (on average 1.3829787234042554) internal successors, (455), 329 states have internal predecessors, (455), 81 states have call successors, (81), 5 states have call predecessors, (81), 5 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-12 04:15:48,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 617 transitions. [2024-11-12 04:15:48,086 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 617 transitions. Word has length 182 [2024-11-12 04:15:48,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:15:48,086 INFO L471 AbstractCegarLoop]: Abstraction has 416 states and 617 transitions. [2024-11-12 04:15:48,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 10 states have internal predecessors, (50), 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 04:15:48,086 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 617 transitions. [2024-11-12 04:15:48,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-12 04:15:48,088 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:15:48,088 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, 1, 1, 1, 1, 1] [2024-11-12 04:15:48,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 04:15:48,089 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:15:48,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:15:48,089 INFO L85 PathProgramCache]: Analyzing trace with hash 176093985, now seen corresponding path program 1 times [2024-11-12 04:15:48,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:15:48,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382632235] [2024-11-12 04:15:48,089 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:15:48,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:15:48,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:51,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:15:51,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:51,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:15:51,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:51,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 04:15:51,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:51,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:15:51,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:51,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 04:15:51,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:51,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:15:51,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:51,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 04:15:51,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:51,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:15:51,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:51,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 04:15:51,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:51,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:15:51,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:51,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 04:15:51,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:51,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:15:51,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:51,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 04:15:51,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:51,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:15:51,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:51,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:15:51,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:51,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 04:15:51,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:51,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 04:15:51,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:51,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 04:15:51,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:51,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 04:15:51,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:51,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 04:15:51,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:51,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 04:15:51,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:51,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 04:15:51,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:51,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:15:51,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:51,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 04:15:51,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:51,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 04:15:51,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:51,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 04:15:51,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:51,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 04:15:51,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:51,680 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 04:15:51,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:15:51,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382632235] [2024-11-12 04:15:51,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382632235] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:15:51,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:15:51,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-12 04:15:51,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705136050] [2024-11-12 04:15:51,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:15:51,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-12 04:15:51,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:15:51,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-12 04:15:51,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-12 04:15:51,684 INFO L87 Difference]: Start difference. First operand 416 states and 617 transitions. Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 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 04:15:54,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:15:54,183 INFO L93 Difference]: Finished difference Result 1137 states and 1688 transitions. [2024-11-12 04:15:54,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-12 04:15:54,184 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 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 182 [2024-11-12 04:15:54,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:15:54,189 INFO L225 Difference]: With dead ends: 1137 [2024-11-12 04:15:54,189 INFO L226 Difference]: Without dead ends: 875 [2024-11-12 04:15:54,191 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=176, Invalid=376, Unknown=0, NotChecked=0, Total=552 [2024-11-12 04:15:54,192 INFO L435 NwaCegarLoop]: 165 mSDtfsCounter, 577 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 804 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 577 SdHoareTripleChecker+Valid, 662 SdHoareTripleChecker+Invalid, 852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 804 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-12 04:15:54,192 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [577 Valid, 662 Invalid, 852 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 804 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-12 04:15:54,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 875 states. [2024-11-12 04:15:54,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 875 to 711. [2024-11-12 04:15:54,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 711 states, 566 states have (on average 1.3939929328621907) internal successors, (789), 566 states have internal predecessors, (789), 135 states have call successors, (135), 9 states have call predecessors, (135), 9 states have return successors, (135), 135 states have call predecessors, (135), 135 states have call successors, (135) [2024-11-12 04:15:54,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 711 states and 1059 transitions. [2024-11-12 04:15:54,232 INFO L78 Accepts]: Start accepts. Automaton has 711 states and 1059 transitions. Word has length 182 [2024-11-12 04:15:54,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:15:54,233 INFO L471 AbstractCegarLoop]: Abstraction has 711 states and 1059 transitions. [2024-11-12 04:15:54,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 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 04:15:54,233 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 1059 transitions. [2024-11-12 04:15:54,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2024-11-12 04:15:54,234 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:15:54,235 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, 1, 1, 1, 1, 1] [2024-11-12 04:15:54,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 04:15:54,235 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:15:54,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:15:54,235 INFO L85 PathProgramCache]: Analyzing trace with hash 856152355, now seen corresponding path program 1 times [2024-11-12 04:15:54,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:15:54,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388457369] [2024-11-12 04:15:54,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:15:54,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:15:54,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:58,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:15:58,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:58,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:15:58,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:58,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 04:15:58,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:58,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:15:58,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:58,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 04:15:58,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:58,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:15:58,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:58,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 04:15:58,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:58,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:15:58,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:58,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 04:15:58,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:58,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:15:58,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:58,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 04:15:58,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:58,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:15:58,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:58,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 04:15:58,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:58,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:15:58,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:58,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:15:58,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:58,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 04:15:58,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:58,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 04:15:58,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:58,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 04:15:58,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:58,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 04:15:58,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:58,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 04:15:58,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:58,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 04:15:58,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:58,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 04:15:58,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:58,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:15:58,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:58,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 04:15:58,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:58,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 04:15:58,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:58,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 04:15:58,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:58,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 04:15:58,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:15:58,644 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 04:15:58,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:15:58,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388457369] [2024-11-12 04:15:58,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388457369] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:15:58,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:15:58,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-12 04:15:58,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227425750] [2024-11-12 04:15:58,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:15:58,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-12 04:15:58,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:15:58,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-12 04:15:58,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-12 04:15:58,646 INFO L87 Difference]: Start difference. First operand 711 states and 1059 transitions. Second operand has 14 states, 14 states have (on average 3.5714285714285716) internal successors, (50), 14 states have internal predecessors, (50), 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 04:16:00,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:16:00,042 INFO L93 Difference]: Finished difference Result 1338 states and 1973 transitions. [2024-11-12 04:16:00,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-12 04:16:00,043 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.5714285714285716) internal successors, (50), 14 states have internal predecessors, (50), 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 182 [2024-11-12 04:16:00,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:16:00,047 INFO L225 Difference]: With dead ends: 1338 [2024-11-12 04:16:00,047 INFO L226 Difference]: Without dead ends: 811 [2024-11-12 04:16:00,049 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=137, Invalid=415, Unknown=0, NotChecked=0, Total=552 [2024-11-12 04:16:00,051 INFO L435 NwaCegarLoop]: 154 mSDtfsCounter, 316 mSDsluCounter, 668 mSDsCounter, 0 mSdLazyCounter, 794 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 822 SdHoareTripleChecker+Invalid, 885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-12 04:16:00,051 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 822 Invalid, 885 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 794 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-12 04:16:00,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2024-11-12 04:16:00,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 711. [2024-11-12 04:16:00,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 711 states, 566 states have (on average 1.392226148409894) internal successors, (788), 566 states have internal predecessors, (788), 135 states have call successors, (135), 9 states have call predecessors, (135), 9 states have return successors, (135), 135 states have call predecessors, (135), 135 states have call successors, (135) [2024-11-12 04:16:00,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 711 states and 1058 transitions. [2024-11-12 04:16:00,095 INFO L78 Accepts]: Start accepts. Automaton has 711 states and 1058 transitions. Word has length 182 [2024-11-12 04:16:00,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:16:00,096 INFO L471 AbstractCegarLoop]: Abstraction has 711 states and 1058 transitions. [2024-11-12 04:16:00,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.5714285714285716) internal successors, (50), 14 states have internal predecessors, (50), 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 04:16:00,096 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 1058 transitions. [2024-11-12 04:16:00,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-12 04:16:00,097 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:16:00,097 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, 1, 1, 1, 1, 1, 1] [2024-11-12 04:16:00,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-12 04:16:00,097 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:16:00,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:16:00,098 INFO L85 PathProgramCache]: Analyzing trace with hash 965881430, now seen corresponding path program 1 times [2024-11-12 04:16:00,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:16:00,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213035760] [2024-11-12 04:16:00,098 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:16:00,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:16:00,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:07,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:16:07,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:07,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:16:07,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:07,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 04:16:07,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:07,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:16:07,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:07,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 04:16:07,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:07,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:16:07,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:07,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 04:16:07,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:07,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:16:07,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:07,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 04:16:07,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:07,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:16:07,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:07,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 04:16:07,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:07,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:16:07,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:07,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 04:16:07,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:07,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:16:07,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:07,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:16:07,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:07,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 04:16:07,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:07,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 04:16:07,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:07,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 04:16:07,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:07,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 04:16:07,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:07,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 04:16:07,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:07,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 04:16:07,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:07,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 04:16:07,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:07,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:16:07,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:07,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 04:16:07,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:07,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 04:16:07,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:07,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 04:16:07,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:07,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 04:16:07,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:07,620 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 04:16:07,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:16:07,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213035760] [2024-11-12 04:16:07,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213035760] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:16:07,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:16:07,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-12 04:16:07,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154830293] [2024-11-12 04:16:07,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:16:07,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-12 04:16:07,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:16:07,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-12 04:16:07,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2024-11-12 04:16:07,623 INFO L87 Difference]: Start difference. First operand 711 states and 1058 transitions. Second operand has 15 states, 15 states have (on average 3.4) internal successors, (51), 15 states have internal predecessors, (51), 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 04:16:10,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:16:10,362 INFO L93 Difference]: Finished difference Result 1067 states and 1558 transitions. [2024-11-12 04:16:10,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-12 04:16:10,363 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.4) internal successors, (51), 15 states have internal predecessors, (51), 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 183 [2024-11-12 04:16:10,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:16:10,367 INFO L225 Difference]: With dead ends: 1067 [2024-11-12 04:16:10,367 INFO L226 Difference]: Without dead ends: 855 [2024-11-12 04:16:10,368 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=167, Invalid=589, Unknown=0, NotChecked=0, Total=756 [2024-11-12 04:16:10,369 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 385 mSDsluCounter, 719 mSDsCounter, 0 mSdLazyCounter, 1108 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 385 SdHoareTripleChecker+Valid, 833 SdHoareTripleChecker+Invalid, 1194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 1108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-12 04:16:10,369 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [385 Valid, 833 Invalid, 1194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 1108 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-12 04:16:10,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 855 states. [2024-11-12 04:16:10,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 855 to 703. [2024-11-12 04:16:10,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 703 states, 558 states have (on average 1.3942652329749103) internal successors, (778), 558 states have internal predecessors, (778), 135 states have call successors, (135), 9 states have call predecessors, (135), 9 states have return successors, (135), 135 states have call predecessors, (135), 135 states have call successors, (135) [2024-11-12 04:16:10,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 703 states and 1048 transitions. [2024-11-12 04:16:10,422 INFO L78 Accepts]: Start accepts. Automaton has 703 states and 1048 transitions. Word has length 183 [2024-11-12 04:16:10,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:16:10,423 INFO L471 AbstractCegarLoop]: Abstraction has 703 states and 1048 transitions. [2024-11-12 04:16:10,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.4) internal successors, (51), 15 states have internal predecessors, (51), 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 04:16:10,423 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 1048 transitions. [2024-11-12 04:16:10,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-12 04:16:10,424 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:16:10,424 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, 1, 1, 1, 1, 1, 1] [2024-11-12 04:16:10,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-12 04:16:10,425 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:16:10,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:16:10,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1060884472, now seen corresponding path program 1 times [2024-11-12 04:16:10,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:16:10,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480138193] [2024-11-12 04:16:10,425 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:16:10,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:16:10,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:13,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:16:13,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:13,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:16:13,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:13,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 04:16:13,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:13,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:16:13,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:13,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 04:16:13,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:13,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:16:13,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:13,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 04:16:13,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:13,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:16:13,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:13,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 04:16:13,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:13,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:16:13,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:13,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 04:16:13,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:13,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:16:13,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:13,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 04:16:13,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:13,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:16:13,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:13,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:16:13,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:13,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 04:16:13,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:13,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 04:16:13,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:13,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 04:16:13,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:13,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 04:16:13,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:13,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 04:16:13,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:13,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 04:16:13,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:13,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 04:16:13,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:13,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:16:13,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:13,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 04:16:13,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:13,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 04:16:13,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:13,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 04:16:13,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:13,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 04:16:13,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:13,444 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 04:16:13,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:16:13,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480138193] [2024-11-12 04:16:13,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480138193] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:16:13,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:16:13,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-12 04:16:13,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316237627] [2024-11-12 04:16:13,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:16:13,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-12 04:16:13,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:16:13,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-12 04:16:13,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-11-12 04:16:13,446 INFO L87 Difference]: Start difference. First operand 703 states and 1048 transitions. Second operand has 12 states, 12 states have (on average 4.25) internal successors, (51), 12 states have internal predecessors, (51), 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 04:16:17,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:16:17,844 INFO L93 Difference]: Finished difference Result 1581 states and 2347 transitions. [2024-11-12 04:16:17,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-12 04:16:17,844 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.25) internal successors, (51), 12 states have internal predecessors, (51), 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 183 [2024-11-12 04:16:17,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:16:17,849 INFO L225 Difference]: With dead ends: 1581 [2024-11-12 04:16:17,849 INFO L226 Difference]: Without dead ends: 1119 [2024-11-12 04:16:17,851 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=151, Invalid=355, Unknown=0, NotChecked=0, Total=506 [2024-11-12 04:16:17,851 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 535 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 438 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 535 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-12 04:16:17,851 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [535 Valid, 505 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 438 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-12 04:16:17,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1119 states. [2024-11-12 04:16:17,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1119 to 721. [2024-11-12 04:16:17,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 721 states, 576 states have (on average 1.3923611111111112) internal successors, (802), 576 states have internal predecessors, (802), 135 states have call successors, (135), 9 states have call predecessors, (135), 9 states have return successors, (135), 135 states have call predecessors, (135), 135 states have call successors, (135) [2024-11-12 04:16:17,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 1072 transitions. [2024-11-12 04:16:17,903 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 1072 transitions. Word has length 183 [2024-11-12 04:16:17,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:16:17,903 INFO L471 AbstractCegarLoop]: Abstraction has 721 states and 1072 transitions. [2024-11-12 04:16:17,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.25) internal successors, (51), 12 states have internal predecessors, (51), 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 04:16:17,903 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 1072 transitions. [2024-11-12 04:16:17,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-12 04:16:17,904 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:16:17,904 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, 1, 1, 1, 1, 1, 1] [2024-11-12 04:16:17,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-12 04:16:17,905 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:16:17,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:16:17,905 INFO L85 PathProgramCache]: Analyzing trace with hash 714122890, now seen corresponding path program 1 times [2024-11-12 04:16:17,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:16:17,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008120535] [2024-11-12 04:16:17,905 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:16:17,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:16:17,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:26,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:16:26,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:26,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:16:26,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:26,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 04:16:26,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:26,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:16:26,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:26,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 04:16:26,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:26,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:16:26,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:26,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 04:16:26,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:26,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:16:26,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:26,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 04:16:26,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:26,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:16:26,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:26,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 04:16:26,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:26,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:16:26,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:26,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 04:16:26,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:26,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:16:26,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:26,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:16:26,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:26,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 04:16:26,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:26,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 04:16:27,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:27,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 04:16:27,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:27,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 04:16:27,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:27,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 04:16:27,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:27,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 04:16:27,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:27,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 04:16:27,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:27,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:16:27,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:27,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 04:16:27,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:27,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 04:16:27,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:27,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 04:16:27,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:27,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 04:16:27,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:27,035 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 04:16:27,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:16:27,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008120535] [2024-11-12 04:16:27,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008120535] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:16:27,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:16:27,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-12 04:16:27,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574083048] [2024-11-12 04:16:27,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:16:27,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-12 04:16:27,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:16:27,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-12 04:16:27,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-11-12 04:16:27,037 INFO L87 Difference]: Start difference. First operand 721 states and 1072 transitions. Second operand has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 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 04:16:30,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:16:30,819 INFO L93 Difference]: Finished difference Result 1267 states and 1892 transitions. [2024-11-12 04:16:30,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-12 04:16:30,820 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 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 183 [2024-11-12 04:16:30,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:16:30,824 INFO L225 Difference]: With dead ends: 1267 [2024-11-12 04:16:30,824 INFO L226 Difference]: Without dead ends: 787 [2024-11-12 04:16:30,826 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=123, Invalid=429, Unknown=0, NotChecked=0, Total=552 [2024-11-12 04:16:30,827 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 306 mSDsluCounter, 603 mSDsCounter, 0 mSdLazyCounter, 1127 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 724 SdHoareTripleChecker+Invalid, 1217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 1127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-12 04:16:30,828 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 724 Invalid, 1217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 1127 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-12 04:16:30,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2024-11-12 04:16:30,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 737. [2024-11-12 04:16:30,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 737 states, 592 states have (on average 1.385135135135135) internal successors, (820), 592 states have internal predecessors, (820), 135 states have call successors, (135), 9 states have call predecessors, (135), 9 states have return successors, (135), 135 states have call predecessors, (135), 135 states have call successors, (135) [2024-11-12 04:16:30,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 1090 transitions. [2024-11-12 04:16:30,879 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 1090 transitions. Word has length 183 [2024-11-12 04:16:30,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:16:30,879 INFO L471 AbstractCegarLoop]: Abstraction has 737 states and 1090 transitions. [2024-11-12 04:16:30,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 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 04:16:30,880 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 1090 transitions. [2024-11-12 04:16:30,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-12 04:16:30,880 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:16:30,881 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, 1, 1, 1, 1, 1, 1] [2024-11-12 04:16:30,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-12 04:16:30,881 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:16:30,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:16:30,881 INFO L85 PathProgramCache]: Analyzing trace with hash -380826102, now seen corresponding path program 1 times [2024-11-12 04:16:30,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:16:30,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231691094] [2024-11-12 04:16:30,882 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:16:30,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:16:30,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:33,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:16:33,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:33,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:16:33,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:33,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 04:16:33,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:33,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:16:33,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:33,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 04:16:33,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:33,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:16:33,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:33,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 04:16:33,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:33,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:16:33,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:33,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-12 04:16:33,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:33,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:16:33,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:34,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 04:16:34,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:34,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:16:34,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:34,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 04:16:34,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:34,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:16:34,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:34,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:16:34,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:34,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 04:16:34,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:34,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 04:16:34,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:34,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-12 04:16:34,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:34,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-12 04:16:34,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:34,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 04:16:34,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:34,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 04:16:34,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:34,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 04:16:34,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:34,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 04:16:34,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:34,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 04:16:34,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:34,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 04:16:34,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:34,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 04:16:34,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:34,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 04:16:34,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:34,267 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 04:16:34,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:16:34,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231691094] [2024-11-12 04:16:34,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231691094] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:16:34,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:16:34,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-12 04:16:34,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051991512] [2024-11-12 04:16:34,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:16:34,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-12 04:16:34,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:16:34,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-12 04:16:34,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-11-12 04:16:34,269 INFO L87 Difference]: Start difference. First operand 737 states and 1090 transitions. Second operand has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 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)