./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-28.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-28.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 affd9b0b1d76ed6c0076d3599bdbad65950dbdf7c49581f4e5a006dd746abe7e --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 04:14:43,892 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 04:14:43,961 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 04:14:43,966 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 04:14:43,967 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 04:14:43,997 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 04:14:43,998 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 04:14:43,998 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 04:14:43,999 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 04:14:43,999 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 04:14:43,999 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 04:14:44,000 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 04:14:44,000 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 04:14:44,001 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 04:14:44,001 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 04:14:44,001 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 04:14:44,002 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 04:14:44,002 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 04:14:44,002 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 04:14:44,003 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 04:14:44,005 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 04:14:44,006 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 04:14:44,006 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 04:14:44,006 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 04:14:44,010 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 04:14:44,010 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 04:14:44,011 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 04:14:44,011 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 04:14:44,011 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 04:14:44,011 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 04:14:44,012 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 04:14:44,012 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 04:14:44,012 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 04:14:44,012 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 04:14:44,013 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 04:14:44,013 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 04:14:44,013 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 04:14:44,013 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 04:14:44,014 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 04:14:44,014 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 04:14:44,016 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 04:14:44,017 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 04:14:44,017 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> affd9b0b1d76ed6c0076d3599bdbad65950dbdf7c49581f4e5a006dd746abe7e [2024-11-12 04:14:44,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 04:14:44,279 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 04:14:44,282 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 04:14:44,283 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 04:14:44,284 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 04:14:44,285 INFO L431 ainManager$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-28.i [2024-11-12 04:14:45,709 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 04:14:45,961 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 04:14:45,962 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-co_file-28.i [2024-11-12 04:14:45,976 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4b07df4b/33962c84dc774ebaad459c46b2dacf79/FLAG091a074ed [2024-11-12 04:14:45,991 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4b07df4b/33962c84dc774ebaad459c46b2dacf79 [2024-11-12 04:14:45,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 04:14:45,995 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 04:14:45,997 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 04:14:45,997 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 04:14:46,003 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 04:14:46,003 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:14:45" (1/1) ... [2024-11-12 04:14:46,004 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43f51541 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:14:46, skipping insertion in model container [2024-11-12 04:14:46,004 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:14:45" (1/1) ... [2024-11-12 04:14:46,037 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 04:14:46,261 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-28.i[919,932] [2024-11-12 04:14:46,373 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 04:14:46,385 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 04:14:46,396 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-28.i[919,932] [2024-11-12 04:14:46,437 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 04:14:46,459 INFO L204 MainTranslator]: Completed translation [2024-11-12 04:14:46,459 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:14:46 WrapperNode [2024-11-12 04:14:46,459 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 04:14:46,460 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 04:14:46,460 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 04:14:46,460 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 04:14:46,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:14:46" (1/1) ... [2024-11-12 04:14:46,478 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:14:46" (1/1) ... [2024-11-12 04:14:46,522 INFO L138 Inliner]: procedures = 26, calls = 42, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 243 [2024-11-12 04:14:46,522 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 04:14:46,523 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 04:14:46,523 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 04:14:46,523 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 04:14:46,534 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:14:46" (1/1) ... [2024-11-12 04:14:46,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:14:46" (1/1) ... [2024-11-12 04:14:46,540 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:14:46" (1/1) ... [2024-11-12 04:14:46,571 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 04:14:46,571 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:14:46" (1/1) ... [2024-11-12 04:14:46,572 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:14:46" (1/1) ... [2024-11-12 04:14:46,598 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:14:46" (1/1) ... [2024-11-12 04:14:46,607 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:14:46" (1/1) ... [2024-11-12 04:14:46,617 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:14:46" (1/1) ... [2024-11-12 04:14:46,622 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:14:46" (1/1) ... [2024-11-12 04:14:46,630 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 04:14:46,632 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 04:14:46,632 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 04:14:46,632 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 04:14:46,633 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:14:46" (1/1) ... [2024-11-12 04:14:46,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 04:14:46,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 04:14:46,667 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 04:14:46,673 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 04:14:46,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 04:14:46,713 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 04:14:46,714 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 04:14:46,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 04:14:46,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 04:14:46,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 04:14:46,818 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 04:14:46,820 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 04:14:47,295 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-12 04:14:47,295 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 04:14:47,308 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 04:14:47,309 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 04:14:47,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:14:47 BoogieIcfgContainer [2024-11-12 04:14:47,311 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 04:14:47,314 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 04:14:47,314 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 04:14:47,317 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 04:14:47,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 04:14:45" (1/3) ... [2024-11-12 04:14:47,318 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@130cdd83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:14:47, skipping insertion in model container [2024-11-12 04:14:47,319 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:14:46" (2/3) ... [2024-11-12 04:14:47,320 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@130cdd83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:14:47, skipping insertion in model container [2024-11-12 04:14:47,320 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:14:47" (3/3) ... [2024-11-12 04:14:47,321 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-co_file-28.i [2024-11-12 04:14:47,333 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 04:14:47,333 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 04:14:47,397 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 04:14:47,403 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;@12e0e6c0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 04:14:47,403 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 04:14:47,406 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 72 states have (on average 1.4444444444444444) internal successors, (104), 73 states have internal predecessors, (104), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-12 04:14:47,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-12 04:14:47,420 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:14:47,421 INFO L218 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:14:47,421 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:14:47,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:14:47,427 INFO L85 PathProgramCache]: Analyzing trace with hash -1448931965, now seen corresponding path program 1 times [2024-11-12 04:14:47,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:14:47,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810071386] [2024-11-12 04:14:47,436 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:14:47,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:14:47,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:47,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:14:47,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:47,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:14:47,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:47,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:14:47,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:47,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:14:47,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:47,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:14:47,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:47,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:14:47,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:47,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:14:47,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:47,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:14:47,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:47,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:14:47,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:47,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:14:47,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:47,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:14:47,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:47,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:14:47,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:47,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:14:47,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:47,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:14:47,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:47,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:14:47,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:47,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:14:47,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:47,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:14:47,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:47,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:14:47,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:47,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:14:47,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:47,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 04:14:47,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:47,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 04:14:47,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:47,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 04:14:47,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:47,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 04:14:47,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:47,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 04:14:47,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:47,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 04:14:47,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:47,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-12 04:14:47,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:47,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-12 04:14:47,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:47,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-12 04:14:47,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:47,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-12 04:14:47,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:47,967 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-11-12 04:14:47,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:14:47,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810071386] [2024-11-12 04:14:47,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810071386] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:14:47,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:14:47,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 04:14:47,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746337161] [2024-11-12 04:14:47,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:14:47,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 04:14:47,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:14:48,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 04:14:48,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 04:14:48,007 INFO L87 Difference]: Start difference. First operand has 104 states, 72 states have (on average 1.4444444444444444) internal successors, (104), 73 states have internal predecessors, (104), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-12 04:14:48,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:14:48,038 INFO L93 Difference]: Finished difference Result 201 states and 347 transitions. [2024-11-12 04:14:48,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 04:14:48,041 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 2 states have call successors, (29) Word has length 193 [2024-11-12 04:14:48,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:14:48,053 INFO L225 Difference]: With dead ends: 201 [2024-11-12 04:14:48,054 INFO L226 Difference]: Without dead ends: 100 [2024-11-12 04:14:48,058 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 89 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 04:14:48,062 INFO L435 NwaCegarLoop]: 154 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, 154 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 04:14:48,063 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 04:14:48,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-12 04:14:48,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2024-11-12 04:14:48,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 69 states have (on average 1.391304347826087) internal successors, (96), 69 states have internal predecessors, (96), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-12 04:14:48,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 154 transitions. [2024-11-12 04:14:48,133 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 154 transitions. Word has length 193 [2024-11-12 04:14:48,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:14:48,134 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 154 transitions. [2024-11-12 04:14:48,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-12 04:14:48,134 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 154 transitions. [2024-11-12 04:14:48,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-12 04:14:48,140 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:14:48,140 INFO L218 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:14:48,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 04:14:48,142 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:14:48,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:14:48,143 INFO L85 PathProgramCache]: Analyzing trace with hash -220564151, now seen corresponding path program 1 times [2024-11-12 04:14:48,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:14:48,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319986538] [2024-11-12 04:14:48,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:14:48,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:14:48,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:48,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:14:48,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:48,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:14:48,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:48,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:14:48,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:48,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:14:48,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:48,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:14:48,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:48,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:14:48,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:48,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:14:48,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:48,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:14:48,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:48,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:14:48,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:48,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:14:48,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:48,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:14:48,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:48,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:14:48,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:48,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:14:48,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:48,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:14:48,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:48,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:14:48,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:48,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:14:48,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:48,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:14:48,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:48,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:14:48,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:48,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:14:48,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:48,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 04:14:48,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:48,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 04:14:48,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:48,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 04:14:48,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:48,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 04:14:48,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:48,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 04:14:48,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:48,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 04:14:48,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:48,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-12 04:14:48,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:48,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-12 04:14:48,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:48,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-12 04:14:48,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:48,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-12 04:14:48,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:48,603 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-11-12 04:14:48,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:14:48,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319986538] [2024-11-12 04:14:48,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319986538] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:14:48,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:14:48,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 04:14:48,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182016451] [2024-11-12 04:14:48,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:14:48,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 04:14:48,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:14:48,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 04:14:48,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 04:14:48,608 INFO L87 Difference]: Start difference. First operand 100 states and 154 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-12 04:14:48,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:14:48,652 INFO L93 Difference]: Finished difference Result 198 states and 307 transitions. [2024-11-12 04:14:48,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 04:14:48,654 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 193 [2024-11-12 04:14:48,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:14:48,656 INFO L225 Difference]: With dead ends: 198 [2024-11-12 04:14:48,657 INFO L226 Difference]: Without dead ends: 101 [2024-11-12 04:14:48,661 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 04:14:48,662 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 0 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 04:14:48,662 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 300 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 04:14:48,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-12 04:14:48,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2024-11-12 04:14:48,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 70 states have (on average 1.3857142857142857) internal successors, (97), 70 states have internal predecessors, (97), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-12 04:14:48,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 155 transitions. [2024-11-12 04:14:48,677 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 155 transitions. Word has length 193 [2024-11-12 04:14:48,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:14:48,678 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 155 transitions. [2024-11-12 04:14:48,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-12 04:14:48,679 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 155 transitions. [2024-11-12 04:14:48,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-12 04:14:48,682 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:14:48,682 INFO L218 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:14:48,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 04:14:48,683 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:14:48,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:14:48,683 INFO L85 PathProgramCache]: Analyzing trace with hash -2026002485, now seen corresponding path program 1 times [2024-11-12 04:14:48,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:14:48,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959791656] [2024-11-12 04:14:48,684 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:14:48,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:14:48,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:48,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:14:48,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:48,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:14:48,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:48,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:14:48,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:48,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:14:48,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:48,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:14:48,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:48,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:14:48,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:48,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:14:48,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:48,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:14:48,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:48,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:14:49,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:49,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:14:49,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:49,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:14:49,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:49,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:14:49,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:49,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:14:49,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:49,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:14:49,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:49,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:14:49,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:49,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:14:49,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:49,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:14:49,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:49,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:14:49,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:49,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:14:49,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:49,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 04:14:49,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:49,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 04:14:49,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:49,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 04:14:49,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:49,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 04:14:49,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:49,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 04:14:49,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:49,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 04:14:49,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:49,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-12 04:14:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:49,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-12 04:14:49,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:49,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-12 04:14:49,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:49,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-12 04:14:49,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:49,119 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-11-12 04:14:49,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:14:49,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959791656] [2024-11-12 04:14:49,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959791656] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:14:49,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:14:49,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 04:14:49,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176687878] [2024-11-12 04:14:49,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:14:49,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 04:14:49,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:14:49,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 04:14:49,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 04:14:49,127 INFO L87 Difference]: Start difference. First operand 101 states and 155 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-12 04:14:49,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:14:49,508 INFO L93 Difference]: Finished difference Result 385 states and 601 transitions. [2024-11-12 04:14:49,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 04:14:49,509 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 193 [2024-11-12 04:14:49,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:14:49,515 INFO L225 Difference]: With dead ends: 385 [2024-11-12 04:14:49,516 INFO L226 Difference]: Without dead ends: 287 [2024-11-12 04:14:49,519 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 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 04:14:49,520 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 270 mSDsluCounter, 235 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 04:14:49,521 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 360 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 04:14:49,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2024-11-12 04:14:49,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 247. [2024-11-12 04:14:49,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 156 states have (on average 1.3269230769230769) internal successors, (207), 156 states have internal predecessors, (207), 87 states have call successors, (87), 3 states have call predecessors, (87), 3 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2024-11-12 04:14:49,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 381 transitions. [2024-11-12 04:14:49,586 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 381 transitions. Word has length 193 [2024-11-12 04:14:49,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:14:49,589 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 381 transitions. [2024-11-12 04:14:49,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-12 04:14:49,590 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 381 transitions. [2024-11-12 04:14:49,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-12 04:14:49,597 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:14:49,597 INFO L218 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:14:49,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 04:14:49,598 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:14:49,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:14:49,599 INFO L85 PathProgramCache]: Analyzing trace with hash 2050110093, now seen corresponding path program 1 times [2024-11-12 04:14:49,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:14:49,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909095690] [2024-11-12 04:14:49,599 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:14:49,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:14:49,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:49,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:14:49,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:49,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:14:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:49,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:14:49,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:49,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:14:49,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:49,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:14:49,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:49,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:14:49,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:49,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:14:49,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:49,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:14:49,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:49,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:14:49,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:49,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:14:49,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:49,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:14:49,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:49,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:14:49,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:49,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:14:49,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:49,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:14:49,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:49,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:14:49,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:49,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:14:49,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:49,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:14:49,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:49,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:14:49,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:49,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:14:49,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:49,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 04:14:49,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:49,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 04:14:49,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:49,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 04:14:49,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:49,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 04:14:49,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:49,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 04:14:49,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:49,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 04:14:49,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:49,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-12 04:14:49,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:49,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-12 04:14:49,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:49,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-12 04:14:49,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:49,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-12 04:14:49,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:49,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-11-12 04:14:49,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:14:49,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909095690] [2024-11-12 04:14:49,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909095690] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:14:49,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:14:49,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 04:14:49,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833023326] [2024-11-12 04:14:49,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:14:49,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 04:14:49,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:14:49,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 04:14:49,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 04:14:49,834 INFO L87 Difference]: Start difference. First operand 247 states and 381 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-12 04:14:49,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:14:49,987 INFO L93 Difference]: Finished difference Result 497 states and 774 transitions. [2024-11-12 04:14:49,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 04:14:49,988 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 193 [2024-11-12 04:14:49,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:14:49,992 INFO L225 Difference]: With dead ends: 497 [2024-11-12 04:14:49,992 INFO L226 Difference]: Without dead ends: 301 [2024-11-12 04:14:49,993 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 04:14:49,995 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 58 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 04:14:49,998 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 392 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 04:14:49,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2024-11-12 04:14:50,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 258. [2024-11-12 04:14:50,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 167 states have (on average 1.3293413173652695) internal successors, (222), 167 states have internal predecessors, (222), 87 states have call successors, (87), 3 states have call predecessors, (87), 3 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2024-11-12 04:14:50,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 396 transitions. [2024-11-12 04:14:50,038 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 396 transitions. Word has length 193 [2024-11-12 04:14:50,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:14:50,039 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 396 transitions. [2024-11-12 04:14:50,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-12 04:14:50,039 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 396 transitions. [2024-11-12 04:14:50,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-11-12 04:14:50,042 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:14:50,042 INFO L218 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:14:50,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 04:14:50,043 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:14:50,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:14:50,043 INFO L85 PathProgramCache]: Analyzing trace with hash -2104308593, now seen corresponding path program 1 times [2024-11-12 04:14:50,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:14:50,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986175864] [2024-11-12 04:14:50,044 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:14:50,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:14:50,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:14:50,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:14:50,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:14:50,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:14:50,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:14:50,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:14:50,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:14:50,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:14:50,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:14:50,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:14:50,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:14:50,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:14:50,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:14:50,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:14:50,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:14:50,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:14:50,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:14:50,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:14:50,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:14:50,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 04:14:50,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 04:14:50,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 04:14:50,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 04:14:50,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 04:14:50,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 04:14:50,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-12 04:14:50,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-12 04:14:50,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-12 04:14:50,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-12 04:14:50,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-11-12 04:14:50,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:14:50,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986175864] [2024-11-12 04:14:50,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986175864] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:14:50,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:14:50,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 04:14:50,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309190874] [2024-11-12 04:14:50,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:14:50,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 04:14:50,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:14:50,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 04:14:50,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 04:14:50,467 INFO L87 Difference]: Start difference. First operand 258 states and 396 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-12 04:14:50,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:14:50,580 INFO L93 Difference]: Finished difference Result 461 states and 709 transitions. [2024-11-12 04:14:50,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 04:14:50,580 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 193 [2024-11-12 04:14:50,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:14:50,583 INFO L225 Difference]: With dead ends: 461 [2024-11-12 04:14:50,586 INFO L226 Difference]: Without dead ends: 265 [2024-11-12 04:14:50,587 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 04:14:50,587 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 61 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 04:14:50,588 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 252 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 04:14:50,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2024-11-12 04:14:50,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 257. [2024-11-12 04:14:50,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 166 states have (on average 1.319277108433735) internal successors, (219), 166 states have internal predecessors, (219), 87 states have call successors, (87), 3 states have call predecessors, (87), 3 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2024-11-12 04:14:50,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 393 transitions. [2024-11-12 04:14:50,620 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 393 transitions. Word has length 193 [2024-11-12 04:14:50,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:14:50,624 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 393 transitions. [2024-11-12 04:14:50,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-12 04:14:50,624 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 393 transitions. [2024-11-12 04:14:50,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-12 04:14:50,626 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:14:50,627 INFO L218 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:14:50,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 04:14:50,627 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:14:50,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:14:50,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1958832099, now seen corresponding path program 1 times [2024-11-12 04:14:50,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:14:50,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068367422] [2024-11-12 04:14:50,630 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:14:50,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:14:50,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:14:50,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:14:50,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:14:50,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:14:50,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:14:50,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:14:50,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:14:50,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:14:50,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:14:50,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:14:50,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:14:50,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:14:50,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:14:50,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:14:50,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:14:50,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:14:50,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:14:50,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:14:50,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:14:50,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 04:14:50,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 04:14:50,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 04:14:50,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 04:14:50,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 04:14:50,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 04:14:50,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-12 04:14:50,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-12 04:14:50,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-12 04:14:50,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-12 04:14:50,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:50,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-11-12 04:14:50,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:14:50,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068367422] [2024-11-12 04:14:50,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068367422] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:14:50,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:14:50,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 04:14:50,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134416830] [2024-11-12 04:14:50,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:14:50,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 04:14:50,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:14:50,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 04:14:50,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-12 04:14:50,961 INFO L87 Difference]: Start difference. First operand 257 states and 393 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-12 04:14:51,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:14:51,131 INFO L93 Difference]: Finished difference Result 477 states and 734 transitions. [2024-11-12 04:14:51,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 04:14:51,132 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 194 [2024-11-12 04:14:51,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:14:51,135 INFO L225 Difference]: With dead ends: 477 [2024-11-12 04:14:51,135 INFO L226 Difference]: Without dead ends: 282 [2024-11-12 04:14:51,136 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-12 04:14:51,137 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 80 mSDsluCounter, 486 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 627 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 04:14:51,137 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 627 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 04:14:51,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2024-11-12 04:14:51,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 258. [2024-11-12 04:14:51,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 167 states have (on average 1.3173652694610778) internal successors, (220), 167 states have internal predecessors, (220), 87 states have call successors, (87), 3 states have call predecessors, (87), 3 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2024-11-12 04:14:51,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 394 transitions. [2024-11-12 04:14:51,163 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 394 transitions. Word has length 194 [2024-11-12 04:14:51,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:14:51,164 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 394 transitions. [2024-11-12 04:14:51,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-12 04:14:51,164 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 394 transitions. [2024-11-12 04:14:51,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-12 04:14:51,166 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:14:51,166 INFO L218 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:14:51,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 04:14:51,167 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:14:51,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:14:51,168 INFO L85 PathProgramCache]: Analyzing trace with hash 530696863, now seen corresponding path program 1 times [2024-11-12 04:14:51,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:14:51,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185728771] [2024-11-12 04:14:51,168 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:14:51,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:14:51,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:14:51,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:14:51,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:14:51,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:14:51,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:14:51,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:14:51,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:14:51,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:14:51,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:14:51,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:14:51,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:14:51,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:14:51,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:14:51,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:14:51,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:14:51,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:14:51,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:14:51,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:14:51,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:14:51,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 04:14:51,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 04:14:51,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 04:14:51,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 04:14:51,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 04:14:51,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 04:14:51,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-12 04:14:51,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-12 04:14:51,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-12 04:14:51,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-12 04:14:51,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,596 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-11-12 04:14:51,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:14:51,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185728771] [2024-11-12 04:14:51,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185728771] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:14:51,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:14:51,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 04:14:51,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816448158] [2024-11-12 04:14:51,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:14:51,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 04:14:51,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:14:51,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 04:14:51,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 04:14:51,599 INFO L87 Difference]: Start difference. First operand 258 states and 394 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-12 04:14:51,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:14:51,721 INFO L93 Difference]: Finished difference Result 461 states and 706 transitions. [2024-11-12 04:14:51,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 04:14:51,722 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 194 [2024-11-12 04:14:51,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:14:51,725 INFO L225 Difference]: With dead ends: 461 [2024-11-12 04:14:51,726 INFO L226 Difference]: Without dead ends: 265 [2024-11-12 04:14:51,727 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 04:14:51,728 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 59 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 04:14:51,730 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 253 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 04:14:51,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2024-11-12 04:14:51,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 257. [2024-11-12 04:14:51,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 166 states have (on average 1.3132530120481927) internal successors, (218), 166 states have internal predecessors, (218), 87 states have call successors, (87), 3 states have call predecessors, (87), 3 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2024-11-12 04:14:51,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 392 transitions. [2024-11-12 04:14:51,766 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 392 transitions. Word has length 194 [2024-11-12 04:14:51,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:14:51,767 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 392 transitions. [2024-11-12 04:14:51,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-12 04:14:51,767 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 392 transitions. [2024-11-12 04:14:51,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-12 04:14:51,770 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:14:51,770 INFO L218 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:14:51,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 04:14:51,771 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:14:51,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:14:51,771 INFO L85 PathProgramCache]: Analyzing trace with hash -2079061846, now seen corresponding path program 1 times [2024-11-12 04:14:51,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:14:51,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876293641] [2024-11-12 04:14:51,772 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:14:51,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:14:51,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:14:51,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:14:51,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:14:51,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:14:51,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:14:51,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:14:51,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:14:51,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:14:51,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:14:51,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:14:51,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:14:51,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:14:51,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:14:51,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:14:51,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:14:51,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:14:51,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:14:51,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:14:51,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:14:51,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 04:14:51,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 04:14:51,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 04:14:51,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 04:14:51,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 04:14:51,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 04:14:51,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-12 04:14:51,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-12 04:14:51,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-12 04:14:51,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-12 04:14:51,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:14:51,978 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-11-12 04:14:51,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:14:51,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876293641] [2024-11-12 04:14:51,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876293641] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:14:51,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:14:51,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 04:14:51,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506151471] [2024-11-12 04:14:51,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:14:51,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 04:14:51,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:14:51,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 04:14:51,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 04:14:51,982 INFO L87 Difference]: Start difference. First operand 257 states and 392 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-12 04:14:52,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:14:52,086 INFO L93 Difference]: Finished difference Result 466 states and 714 transitions. [2024-11-12 04:14:52,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 04:14:52,087 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 195 [2024-11-12 04:14:52,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:14:52,090 INFO L225 Difference]: With dead ends: 466 [2024-11-12 04:14:52,090 INFO L226 Difference]: Without dead ends: 270 [2024-11-12 04:14:52,091 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 04:14:52,091 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 21 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 04:14:52,092 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 430 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 04:14:52,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2024-11-12 04:14:52,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 256. [2024-11-12 04:14:52,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 165 states have (on average 1.303030303030303) internal successors, (215), 165 states have internal predecessors, (215), 87 states have call successors, (87), 3 states have call predecessors, (87), 3 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2024-11-12 04:14:52,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 389 transitions. [2024-11-12 04:14:52,119 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 389 transitions. Word has length 195 [2024-11-12 04:14:52,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:14:52,120 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 389 transitions. [2024-11-12 04:14:52,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-12 04:14:52,121 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 389 transitions. [2024-11-12 04:14:52,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-12 04:14:52,123 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:14:52,124 INFO L218 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:14:52,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 04:14:52,124 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:14:52,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:14:52,124 INFO L85 PathProgramCache]: Analyzing trace with hash 410467116, now seen corresponding path program 1 times [2024-11-12 04:14:52,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:14:52,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914059209] [2024-11-12 04:14:52,125 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:14:52,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:14:52,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:00,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:16:00,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:00,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:16:00,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:00,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:16:00,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:00,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:16:00,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:00,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:16:00,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:00,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:16:00,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:00,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:16:00,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:00,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:16:00,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:00,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:16:00,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:00,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:16:00,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:00,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:16:00,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:00,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:16:00,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:00,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:16:00,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:00,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:16:00,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:00,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:16:00,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:00,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:16:00,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:00,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:16:00,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:00,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:16:00,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:00,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:16:00,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:00,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 04:16:00,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:00,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 04:16:00,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:00,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 04:16:00,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:00,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 04:16:00,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:00,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 04:16:00,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:00,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 04:16:00,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:00,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-12 04:16:00,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:00,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-12 04:16:00,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:00,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-12 04:16:00,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:00,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-12 04:16:00,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:00,768 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-11-12 04:16:00,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:16:00,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914059209] [2024-11-12 04:16:00,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914059209] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:16:00,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:16:00,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-12 04:16:00,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657131169] [2024-11-12 04:16:00,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:16:00,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 04:16:00,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:16:00,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 04:16:00,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-12 04:16:00,771 INFO L87 Difference]: Start difference. First operand 256 states and 389 transitions. Second operand has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 11 states have internal predecessors, (53), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-12 04:16:03,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:16:03,641 INFO L93 Difference]: Finished difference Result 742 states and 1119 transitions. [2024-11-12 04:16:03,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 04:16:03,642 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 11 states have internal predecessors, (53), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 195 [2024-11-12 04:16:03,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:16:03,646 INFO L225 Difference]: With dead ends: 742 [2024-11-12 04:16:03,646 INFO L226 Difference]: Without dead ends: 555 [2024-11-12 04:16:03,647 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=83, Invalid=189, Unknown=0, NotChecked=0, Total=272 [2024-11-12 04:16:03,650 INFO L435 NwaCegarLoop]: 127 mSDtfsCounter, 574 mSDsluCounter, 650 mSDsCounter, 0 mSdLazyCounter, 752 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 574 SdHoareTripleChecker+Valid, 777 SdHoareTripleChecker+Invalid, 840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-12 04:16:03,650 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [574 Valid, 777 Invalid, 840 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 752 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-12 04:16:03,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2024-11-12 04:16:03,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 454. [2024-11-12 04:16:03,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 303 states have (on average 1.3333333333333333) internal successors, (404), 303 states have internal predecessors, (404), 145 states have call successors, (145), 5 states have call predecessors, (145), 5 states have return successors, (145), 145 states have call predecessors, (145), 145 states have call successors, (145) [2024-11-12 04:16:03,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 694 transitions. [2024-11-12 04:16:03,695 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 694 transitions. Word has length 195 [2024-11-12 04:16:03,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:16:03,696 INFO L471 AbstractCegarLoop]: Abstraction has 454 states and 694 transitions. [2024-11-12 04:16:03,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 11 states have internal predecessors, (53), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-12 04:16:03,696 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 694 transitions. [2024-11-12 04:16:03,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-12 04:16:03,699 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:16:03,699 INFO L218 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:16:03,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 04:16:03,700 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:16:03,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:16:03,701 INFO L85 PathProgramCache]: Analyzing trace with hash 17440106, now seen corresponding path program 1 times [2024-11-12 04:16:03,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:16:03,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538026390] [2024-11-12 04:16:03,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:16:03,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:16:03,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:03,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 04:16:03,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:03,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 04:16:03,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:03,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 04:16:03,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:03,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 04:16:03,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:03,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 04:16:03,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:03,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 04:16:03,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:03,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 04:16:03,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:03,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 04:16:03,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:03,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 04:16:03,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:03,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 04:16:03,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:03,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 04:16:03,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:03,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 04:16:03,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:03,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 04:16:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:03,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 04:16:03,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:03,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 04:16:03,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:03,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 04:16:03,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:03,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 04:16:03,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:03,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 04:16:03,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:03,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 04:16:03,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:03,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 04:16:03,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:03,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 04:16:03,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:03,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 04:16:03,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:03,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 04:16:03,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:03,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 04:16:03,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:03,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 04:16:03,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:03,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-12 04:16:03,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:03,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-12 04:16:03,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:03,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-12 04:16:03,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:03,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-12 04:16:03,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 04:16:03,944 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2024-11-12 04:16:03,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 04:16:03,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1538026390] [2024-11-12 04:16:03,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1538026390] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 04:16:03,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 04:16:03,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 04:16:03,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39454568] [2024-11-12 04:16:03,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 04:16:03,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 04:16:03,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 04:16:03,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 04:16:03,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 04:16:03,947 INFO L87 Difference]: Start difference. First operand 454 states and 694 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-12 04:16:04,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 04:16:04,287 INFO L93 Difference]: Finished difference Result 1105 states and 1692 transitions. [2024-11-12 04:16:04,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 04:16:04,288 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 195 [2024-11-12 04:16:04,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 04:16:04,292 INFO L225 Difference]: With dead ends: 1105 [2024-11-12 04:16:04,293 INFO L226 Difference]: Without dead ends: 720 [2024-11-12 04:16:04,294 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-12 04:16:04,295 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 404 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 236 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 404 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 236 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 04:16:04,295 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [404 Valid, 565 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [236 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 04:16:04,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2024-11-12 04:16:04,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 609. [2024-11-12 04:16:04,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 609 states, 398 states have (on average 1.306532663316583) internal successors, (520), 398 states have internal predecessors, (520), 203 states have call successors, (203), 7 states have call predecessors, (203), 7 states have return successors, (203), 203 states have call predecessors, (203), 203 states have call successors, (203) [2024-11-12 04:16:04,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 926 transitions. [2024-11-12 04:16:04,349 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 926 transitions. Word has length 195 [2024-11-12 04:16:04,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 04:16:04,349 INFO L471 AbstractCegarLoop]: Abstraction has 609 states and 926 transitions. [2024-11-12 04:16:04,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2024-11-12 04:16:04,351 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 926 transitions. [2024-11-12 04:16:04,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-12 04:16:04,352 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 04:16:04,353 INFO L218 NwaCegarLoop]: trace histogram [29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:16:04,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 04:16:04,353 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 04:16:04,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 04:16:04,354 INFO L85 PathProgramCache]: Analyzing trace with hash -600650134, now seen corresponding path program 1 times [2024-11-12 04:16:04,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 04:16:04,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787416140] [2024-11-12 04:16:04,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 04:16:04,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 04:16:04,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat