./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-98.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d 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-pe-ci_file-98.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 fa899b25f522973b6bbc58879b0eb17248367bb8b552686dbd6511ffcd7729d0 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 13:56:50,114 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 13:56:50,181 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 13:56:50,185 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 13:56:50,186 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 13:56:50,215 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 13:56:50,217 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 13:56:50,217 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 13:56:50,218 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 13:56:50,219 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 13:56:50,220 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 13:56:50,220 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 13:56:50,220 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 13:56:50,222 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 13:56:50,222 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 13:56:50,222 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 13:56:50,223 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 13:56:50,223 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 13:56:50,223 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 13:56:50,223 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 13:56:50,223 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 13:56:50,227 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 13:56:50,227 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 13:56:50,227 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 13:56:50,227 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 13:56:50,227 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 13:56:50,227 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 13:56:50,228 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 13:56:50,228 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 13:56:50,228 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 13:56:50,228 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 13:56:50,228 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 13:56:50,228 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 13:56:50,229 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 13:56:50,229 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 13:56:50,229 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 13:56:50,229 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 13:56:50,229 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 13:56:50,229 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 13:56:50,229 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 13:56:50,230 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 13:56:50,230 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 13:56:50,230 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa899b25f522973b6bbc58879b0eb17248367bb8b552686dbd6511ffcd7729d0 [2024-11-16 13:56:50,486 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 13:56:50,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 13:56:50,516 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 13:56:50,517 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 13:56:50,517 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 13:56:50,518 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-98.i [2024-11-16 13:56:51,780 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 13:56:51,957 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 13:56:51,958 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-98.i [2024-11-16 13:56:51,967 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fcffac14/6fd9034a99d24dda979ac65bec08d2c7/FLAGa42c2cc9e [2024-11-16 13:56:51,981 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fcffac14/6fd9034a99d24dda979ac65bec08d2c7 [2024-11-16 13:56:51,985 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 13:56:51,986 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 13:56:51,988 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 13:56:51,988 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 13:56:51,992 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 13:56:51,993 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 01:56:51" (1/1) ... [2024-11-16 13:56:51,994 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@771ba412 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:56:51, skipping insertion in model container [2024-11-16 13:56:52,004 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 01:56:51" (1/1) ... [2024-11-16 13:56:52,031 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 13:56:52,187 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-pe-ci_file-98.i[919,932] [2024-11-16 13:56:52,262 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 13:56:52,277 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 13:56:52,288 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-pe-ci_file-98.i[919,932] [2024-11-16 13:56:52,317 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 13:56:52,339 INFO L204 MainTranslator]: Completed translation [2024-11-16 13:56:52,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:56:52 WrapperNode [2024-11-16 13:56:52,340 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 13:56:52,341 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 13:56:52,341 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 13:56:52,341 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 13:56:52,348 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:56:52" (1/1) ... [2024-11-16 13:56:52,359 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:56:52" (1/1) ... [2024-11-16 13:56:52,403 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 242 [2024-11-16 13:56:52,403 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 13:56:52,404 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 13:56:52,404 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 13:56:52,404 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 13:56:52,415 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:56:52" (1/1) ... [2024-11-16 13:56:52,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:56:52" (1/1) ... [2024-11-16 13:56:52,419 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:56:52" (1/1) ... [2024-11-16 13:56:52,439 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]. [2024-11-16 13:56:52,442 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:56:52" (1/1) ... [2024-11-16 13:56:52,442 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:56:52" (1/1) ... [2024-11-16 13:56:52,450 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:56:52" (1/1) ... [2024-11-16 13:56:52,451 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:56:52" (1/1) ... [2024-11-16 13:56:52,453 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:56:52" (1/1) ... [2024-11-16 13:56:52,455 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:56:52" (1/1) ... [2024-11-16 13:56:52,458 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 13:56:52,459 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 13:56:52,459 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 13:56:52,459 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 13:56:52,460 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:56:52" (1/1) ... [2024-11-16 13:56:52,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 13:56:52,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 13:56:52,494 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) [2024-11-16 13:56:52,497 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 [2024-11-16 13:56:52,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 13:56:52,535 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 13:56:52,536 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 13:56:52,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 13:56:52,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 13:56:52,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 13:56:52,680 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 13:56:52,682 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 13:56:53,101 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L188: havoc property_#t~bitwise25#1; [2024-11-16 13:56:53,143 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-16 13:56:53,143 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 13:56:53,167 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 13:56:53,168 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 13:56:53,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 01:56:53 BoogieIcfgContainer [2024-11-16 13:56:53,168 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 13:56:53,170 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 13:56:53,170 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 13:56:53,173 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 13:56:53,174 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 01:56:51" (1/3) ... [2024-11-16 13:56:53,175 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51905db3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 01:56:53, skipping insertion in model container [2024-11-16 13:56:53,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 01:56:52" (2/3) ... [2024-11-16 13:56:53,175 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51905db3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 01:56:53, skipping insertion in model container [2024-11-16 13:56:53,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 01:56:53" (3/3) ... [2024-11-16 13:56:53,177 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-98.i [2024-11-16 13:56:53,192 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 13:56:53,193 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 13:56:53,257 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 13:56:53,264 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;@2e027fa7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 13:56:53,264 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 13:56:53,271 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 71 states have (on average 1.4225352112676057) internal successors, (101), 72 states have internal predecessors, (101), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-16 13:56:53,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-16 13:56:53,284 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 13:56:53,285 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 13:56:53,286 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 13:56:53,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 13:56:53,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1401207073, now seen corresponding path program 1 times [2024-11-16 13:56:53,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 13:56:53,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461520782] [2024-11-16 13:56:53,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 13:56:53,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 13:56:53,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:53,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 13:56:53,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:53,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 13:56:53,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:53,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 13:56:53,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:53,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 13:56:53,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:53,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 13:56:53,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:53,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 13:56:53,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:53,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 13:56:53,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:53,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 13:56:53,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:53,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 13:56:53,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:53,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 13:56:53,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:53,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 13:56:53,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:53,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 13:56:53,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:53,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 13:56:53,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:53,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 13:56:53,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:53,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 13:56:53,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:53,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 13:56:53,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:53,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 13:56:53,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:53,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 13:56:53,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:53,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 13:56:53,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:53,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 13:56:53,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:53,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 13:56:53,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:53,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 13:56:53,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:53,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 13:56:53,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:53,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 13:56:53,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:53,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 13:56:53,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:53,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 13:56:53,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:53,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 13:56:53,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:53,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 13:56:53,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:53,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 13:56:53,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:53,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 13:56:53,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:53,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 13:56:53,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:53,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-16 13:56:53,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:53,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 13:56:53,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:53,803 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-16 13:56:53,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 13:56:53,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461520782] [2024-11-16 13:56:53,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461520782] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 13:56:53,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 13:56:53,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 13:56:53,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59768539] [2024-11-16 13:56:53,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 13:56:53,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 13:56:53,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 13:56:53,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 13:56:53,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 13:56:53,841 INFO L87 Difference]: Start difference. First operand has 107 states, 71 states have (on average 1.4225352112676057) internal successors, (101), 72 states have internal predecessors, (101), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) 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, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-16 13:56:53,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 13:56:53,891 INFO L93 Difference]: Finished difference Result 206 states and 360 transitions. [2024-11-16 13:56:53,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 13:56:53,894 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, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) Word has length 213 [2024-11-16 13:56:53,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 13:56:53,903 INFO L225 Difference]: With dead ends: 206 [2024-11-16 13:56:53,903 INFO L226 Difference]: Without dead ends: 102 [2024-11-16 13:56:53,907 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 13:56:53,911 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 13:56:53,912 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 154 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 13:56:53,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-16 13:56:53,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2024-11-16 13:56:53,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 67 states have (on average 1.373134328358209) internal successors, (92), 67 states have internal predecessors, (92), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-16 13:56:53,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 158 transitions. [2024-11-16 13:56:53,954 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 158 transitions. Word has length 213 [2024-11-16 13:56:53,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 13:56:53,955 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 158 transitions. [2024-11-16 13:56:53,955 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, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-16 13:56:53,956 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 158 transitions. [2024-11-16 13:56:53,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-16 13:56:53,960 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 13:56:53,960 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 13:56:53,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 13:56:53,961 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 13:56:53,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 13:56:53,962 INFO L85 PathProgramCache]: Analyzing trace with hash -1034439520, now seen corresponding path program 1 times [2024-11-16 13:56:53,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 13:56:53,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693888239] [2024-11-16 13:56:53,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 13:56:53,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 13:56:54,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:55,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 13:56:55,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:55,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 13:56:55,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:55,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 13:56:55,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:55,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 13:56:55,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:55,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 13:56:55,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:55,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 13:56:55,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:55,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 13:56:55,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:55,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 13:56:55,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:55,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 13:56:55,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:55,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 13:56:55,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:55,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 13:56:55,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:55,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 13:56:55,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:55,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 13:56:55,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:55,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 13:56:55,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:55,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 13:56:55,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:55,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 13:56:55,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:55,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 13:56:55,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:55,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 13:56:55,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:55,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 13:56:55,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:55,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 13:56:55,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:55,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 13:56:55,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:55,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 13:56:55,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:55,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 13:56:55,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:55,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 13:56:55,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:55,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 13:56:55,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:55,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 13:56:55,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:55,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 13:56:55,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:55,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 13:56:55,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:55,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 13:56:55,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:55,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 13:56:55,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:55,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 13:56:55,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:55,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-16 13:56:55,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:55,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 13:56:55,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:55,296 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-16 13:56:55,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 13:56:55,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693888239] [2024-11-16 13:56:55,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693888239] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 13:56:55,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 13:56:55,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 13:56:55,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360740571] [2024-11-16 13:56:55,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 13:56:55,300 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 13:56:55,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 13:56:55,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 13:56:55,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 13:56:55,301 INFO L87 Difference]: Start difference. First operand 102 states and 158 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-16 13:56:55,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 13:56:55,801 INFO L93 Difference]: Finished difference Result 301 states and 469 transitions. [2024-11-16 13:56:55,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 13:56:55,802 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 213 [2024-11-16 13:56:55,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 13:56:55,805 INFO L225 Difference]: With dead ends: 301 [2024-11-16 13:56:55,805 INFO L226 Difference]: Without dead ends: 202 [2024-11-16 13:56:55,809 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-16 13:56:55,810 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 218 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 13:56:55,811 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 494 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 13:56:55,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2024-11-16 13:56:55,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 196. [2024-11-16 13:56:55,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 127 states have (on average 1.3700787401574803) internal successors, (174), 127 states have internal predecessors, (174), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-16 13:56:55,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 306 transitions. [2024-11-16 13:56:55,865 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 306 transitions. Word has length 213 [2024-11-16 13:56:55,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 13:56:55,866 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 306 transitions. [2024-11-16 13:56:55,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-16 13:56:55,867 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 306 transitions. [2024-11-16 13:56:55,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-16 13:56:55,869 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 13:56:55,869 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 13:56:55,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 13:56:55,869 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 13:56:55,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 13:56:55,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1218035231, now seen corresponding path program 1 times [2024-11-16 13:56:55,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 13:56:55,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966496117] [2024-11-16 13:56:55,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 13:56:55,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 13:56:55,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:56,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 13:56:56,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:56,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 13:56:56,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:56,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 13:56:56,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:56,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 13:56:56,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:56,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 13:56:56,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:56,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 13:56:56,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:56,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 13:56:56,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:56,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 13:56:56,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:56,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 13:56:56,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:56,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 13:56:56,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:56,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 13:56:56,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:56,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 13:56:56,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:56,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 13:56:56,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:56,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 13:56:56,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:56,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 13:56:56,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:56,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 13:56:56,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:56,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 13:56:56,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:56,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 13:56:56,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:56,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 13:56:56,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:56,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 13:56:56,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:56,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 13:56:56,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:56,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 13:56:56,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:56,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 13:56:56,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:56,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 13:56:56,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:56,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 13:56:56,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:56,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 13:56:56,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:56,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 13:56:56,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:56,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 13:56:56,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:56,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 13:56:56,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:56,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 13:56:56,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:56,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 13:56:56,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:56,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-16 13:56:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:56,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 13:56:56,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:56,530 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-16 13:56:56,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 13:56:56,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966496117] [2024-11-16 13:56:56,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966496117] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 13:56:56,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 13:56:56,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 13:56:56,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991248337] [2024-11-16 13:56:56,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 13:56:56,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 13:56:56,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 13:56:56,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 13:56:56,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-16 13:56:56,535 INFO L87 Difference]: Start difference. First operand 196 states and 306 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, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-16 13:56:56,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 13:56:56,931 INFO L93 Difference]: Finished difference Result 639 states and 1000 transitions. [2024-11-16 13:56:56,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 13:56:56,931 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, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 213 [2024-11-16 13:56:56,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 13:56:56,938 INFO L225 Difference]: With dead ends: 639 [2024-11-16 13:56:56,939 INFO L226 Difference]: Without dead ends: 446 [2024-11-16 13:56:56,940 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-16 13:56:56,941 INFO L432 NwaCegarLoop]: 324 mSDtfsCounter, 289 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 13:56:56,941 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 557 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 13:56:56,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2024-11-16 13:56:57,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 382. [2024-11-16 13:56:57,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 245 states have (on average 1.3510204081632653) internal successors, (331), 245 states have internal predecessors, (331), 132 states have call successors, (132), 4 states have call predecessors, (132), 4 states have return successors, (132), 132 states have call predecessors, (132), 132 states have call successors, (132) [2024-11-16 13:56:57,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 595 transitions. [2024-11-16 13:56:57,016 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 595 transitions. Word has length 213 [2024-11-16 13:56:57,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 13:56:57,018 INFO L471 AbstractCegarLoop]: Abstraction has 382 states and 595 transitions. [2024-11-16 13:56:57,018 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, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-16 13:56:57,019 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 595 transitions. [2024-11-16 13:56:57,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-16 13:56:57,022 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 13:56:57,022 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 13:56:57,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 13:56:57,023 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 13:56:57,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 13:56:57,023 INFO L85 PathProgramCache]: Analyzing trace with hash -1626859456, now seen corresponding path program 1 times [2024-11-16 13:56:57,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 13:56:57,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300195239] [2024-11-16 13:56:57,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 13:56:57,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 13:56:57,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:57,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 13:56:57,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:57,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 13:56:57,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:57,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 13:56:57,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:57,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 13:56:57,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:57,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 13:56:57,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:57,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 13:56:57,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:57,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 13:56:57,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:57,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 13:56:57,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:57,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 13:56:57,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:57,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 13:56:57,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:57,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 13:56:58,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:58,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 13:56:58,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:58,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 13:56:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:58,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 13:56:58,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:58,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 13:56:58,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:58,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 13:56:58,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:58,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 13:56:58,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:58,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 13:56:58,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:58,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 13:56:58,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:58,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 13:56:58,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:58,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 13:56:58,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:58,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 13:56:58,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:58,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 13:56:58,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:58,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 13:56:58,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:58,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 13:56:58,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:58,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 13:56:58,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:58,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 13:56:58,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:58,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 13:56:58,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:58,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 13:56:58,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:58,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 13:56:58,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:58,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 13:56:58,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:58,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-16 13:56:58,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:58,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 13:56:58,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:58,075 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-16 13:56:58,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 13:56:58,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300195239] [2024-11-16 13:56:58,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300195239] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 13:56:58,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 13:56:58,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 13:56:58,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119535748] [2024-11-16 13:56:58,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 13:56:58,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 13:56:58,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 13:56:58,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 13:56:58,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 13:56:58,077 INFO L87 Difference]: Start difference. First operand 382 states and 595 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-16 13:56:59,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 13:56:59,105 INFO L93 Difference]: Finished difference Result 1179 states and 1825 transitions. [2024-11-16 13:56:59,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 13:56:59,106 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 213 [2024-11-16 13:56:59,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 13:56:59,111 INFO L225 Difference]: With dead ends: 1179 [2024-11-16 13:56:59,112 INFO L226 Difference]: Without dead ends: 986 [2024-11-16 13:56:59,113 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 13:56:59,113 INFO L432 NwaCegarLoop]: 320 mSDtfsCounter, 554 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 554 SdHoareTripleChecker+Valid, 731 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-16 13:56:59,114 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [554 Valid, 731 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-16 13:56:59,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 986 states. [2024-11-16 13:56:59,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 986 to 506. [2024-11-16 13:56:59,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 327 states have (on average 1.3608562691131498) internal successors, (445), 329 states have internal predecessors, (445), 172 states have call successors, (172), 6 states have call predecessors, (172), 6 states have return successors, (172), 170 states have call predecessors, (172), 172 states have call successors, (172) [2024-11-16 13:56:59,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 789 transitions. [2024-11-16 13:56:59,262 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 789 transitions. Word has length 213 [2024-11-16 13:56:59,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 13:56:59,263 INFO L471 AbstractCegarLoop]: Abstraction has 506 states and 789 transitions. [2024-11-16 13:56:59,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-16 13:56:59,263 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 789 transitions. [2024-11-16 13:56:59,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-16 13:56:59,265 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 13:56:59,265 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 13:56:59,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 13:56:59,265 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 13:56:59,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 13:56:59,266 INFO L85 PathProgramCache]: Analyzing trace with hash -119307647, now seen corresponding path program 1 times [2024-11-16 13:56:59,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 13:56:59,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205279983] [2024-11-16 13:56:59,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 13:56:59,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 13:56:59,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:59,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 13:56:59,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:59,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 13:56:59,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:59,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 13:56:59,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:59,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 13:56:59,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:59,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 13:56:59,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:59,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 13:56:59,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:59,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 13:56:59,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:59,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 13:56:59,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:59,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 13:56:59,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:59,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 13:56:59,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:59,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 13:56:59,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:59,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 13:56:59,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:59,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 13:56:59,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:59,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 13:56:59,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:59,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 13:56:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:59,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 13:56:59,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:59,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 13:56:59,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:59,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 13:56:59,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:59,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 13:56:59,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:59,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 13:56:59,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:59,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 13:56:59,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:59,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 13:56:59,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:59,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 13:56:59,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:59,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 13:56:59,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:59,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 13:56:59,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:59,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 13:56:59,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:59,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 13:56:59,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:59,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 13:56:59,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:59,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 13:56:59,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:59,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 13:56:59,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:59,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 13:56:59,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:59,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-16 13:56:59,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:59,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 13:56:59,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:56:59,563 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-16 13:56:59,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 13:56:59,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205279983] [2024-11-16 13:56:59,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205279983] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 13:56:59,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 13:56:59,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 13:56:59,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366279708] [2024-11-16 13:56:59,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 13:56:59,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 13:56:59,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 13:56:59,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 13:56:59,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 13:56:59,567 INFO L87 Difference]: Start difference. First operand 506 states and 789 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, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-16 13:56:59,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 13:56:59,741 INFO L93 Difference]: Finished difference Result 1009 states and 1575 transitions. [2024-11-16 13:56:59,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 13:56:59,742 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, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 213 [2024-11-16 13:56:59,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 13:56:59,746 INFO L225 Difference]: With dead ends: 1009 [2024-11-16 13:56:59,746 INFO L226 Difference]: Without dead ends: 506 [2024-11-16 13:56:59,748 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 13:56:59,750 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 150 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 13:56:59,750 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 237 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 13:56:59,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2024-11-16 13:56:59,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 506. [2024-11-16 13:56:59,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 327 states have (on average 1.3516819571865444) internal successors, (442), 329 states have internal predecessors, (442), 172 states have call successors, (172), 6 states have call predecessors, (172), 6 states have return successors, (172), 170 states have call predecessors, (172), 172 states have call successors, (172) [2024-11-16 13:56:59,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 786 transitions. [2024-11-16 13:56:59,864 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 786 transitions. Word has length 213 [2024-11-16 13:56:59,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 13:56:59,865 INFO L471 AbstractCegarLoop]: Abstraction has 506 states and 786 transitions. [2024-11-16 13:56:59,865 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, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-16 13:56:59,865 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 786 transitions. [2024-11-16 13:56:59,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-16 13:56:59,867 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 13:56:59,867 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 13:56:59,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 13:56:59,869 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 13:56:59,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 13:56:59,870 INFO L85 PathProgramCache]: Analyzing trace with hash 784389402, now seen corresponding path program 1 times [2024-11-16 13:56:59,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 13:56:59,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420686785] [2024-11-16 13:56:59,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 13:56:59,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 13:56:59,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:00,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 13:57:00,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:00,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 13:57:00,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:00,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 13:57:00,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:00,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 13:57:00,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:00,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 13:57:00,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:00,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 13:57:00,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:00,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 13:57:00,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:00,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 13:57:00,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:00,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 13:57:00,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:00,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 13:57:00,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:00,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 13:57:00,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:00,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 13:57:00,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:00,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 13:57:00,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:00,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 13:57:00,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:00,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 13:57:00,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:00,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 13:57:00,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:00,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 13:57:00,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:00,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 13:57:00,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:00,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 13:57:00,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:00,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 13:57:00,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:00,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 13:57:00,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:00,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 13:57:00,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:00,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 13:57:00,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:00,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 13:57:00,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:00,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 13:57:00,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:00,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 13:57:00,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:00,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 13:57:00,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:00,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 13:57:00,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:00,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 13:57:00,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:00,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 13:57:00,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:00,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 13:57:00,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:00,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-16 13:57:00,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:00,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 13:57:00,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:00,249 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-16 13:57:00,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 13:57:00,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420686785] [2024-11-16 13:57:00,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420686785] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 13:57:00,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 13:57:00,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 13:57:00,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282009061] [2024-11-16 13:57:00,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 13:57:00,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 13:57:00,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 13:57:00,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 13:57:00,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 13:57:00,252 INFO L87 Difference]: Start difference. First operand 506 states and 786 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, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-16 13:57:00,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 13:57:00,424 INFO L93 Difference]: Finished difference Result 1070 states and 1663 transitions. [2024-11-16 13:57:00,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 13:57:00,425 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, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 214 [2024-11-16 13:57:00,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 13:57:00,431 INFO L225 Difference]: With dead ends: 1070 [2024-11-16 13:57:00,431 INFO L226 Difference]: Without dead ends: 567 [2024-11-16 13:57:00,433 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 13:57:00,434 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 142 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 13:57:00,435 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 303 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 13:57:00,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2024-11-16 13:57:00,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 506. [2024-11-16 13:57:00,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 327 states have (on average 1.342507645259939) internal successors, (439), 329 states have internal predecessors, (439), 172 states have call successors, (172), 6 states have call predecessors, (172), 6 states have return successors, (172), 170 states have call predecessors, (172), 172 states have call successors, (172) [2024-11-16 13:57:00,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 783 transitions. [2024-11-16 13:57:00,590 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 783 transitions. Word has length 214 [2024-11-16 13:57:00,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 13:57:00,591 INFO L471 AbstractCegarLoop]: Abstraction has 506 states and 783 transitions. [2024-11-16 13:57:00,591 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, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-16 13:57:00,591 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 783 transitions. [2024-11-16 13:57:00,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-16 13:57:00,594 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 13:57:00,594 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 13:57:00,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 13:57:00,595 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 13:57:00,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 13:57:00,595 INFO L85 PathProgramCache]: Analyzing trace with hash -654103722, now seen corresponding path program 1 times [2024-11-16 13:57:00,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 13:57:00,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120953287] [2024-11-16 13:57:00,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 13:57:00,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 13:57:00,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:01,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 13:57:01,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:01,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 13:57:01,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:01,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 13:57:01,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:01,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 13:57:01,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:01,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 13:57:01,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:01,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 13:57:01,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:01,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 13:57:01,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:01,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 13:57:01,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:01,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 13:57:01,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:01,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 13:57:01,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:01,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 13:57:01,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:01,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 13:57:01,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:01,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 13:57:01,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:01,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 13:57:01,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:01,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 13:57:01,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:01,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 13:57:01,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:01,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 13:57:01,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:01,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 13:57:01,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:01,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 13:57:01,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:01,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 13:57:01,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:01,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 13:57:01,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:01,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 13:57:01,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:01,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 13:57:01,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:01,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 13:57:01,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:01,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 13:57:01,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:01,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 13:57:01,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:01,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 13:57:01,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:01,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 13:57:01,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:01,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 13:57:01,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:01,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 13:57:01,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:01,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 13:57:01,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:01,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-16 13:57:01,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:01,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 13:57:01,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:01,626 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-16 13:57:01,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 13:57:01,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120953287] [2024-11-16 13:57:01,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120953287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 13:57:01,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 13:57:01,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 13:57:01,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652586028] [2024-11-16 13:57:01,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 13:57:01,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 13:57:01,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 13:57:01,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 13:57:01,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-16 13:57:01,629 INFO L87 Difference]: Start difference. First operand 506 states and 783 transitions. Second operand has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-16 13:57:02,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 13:57:02,893 INFO L93 Difference]: Finished difference Result 986 states and 1507 transitions. [2024-11-16 13:57:02,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 13:57:02,894 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 214 [2024-11-16 13:57:02,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 13:57:02,898 INFO L225 Difference]: With dead ends: 986 [2024-11-16 13:57:02,898 INFO L226 Difference]: Without dead ends: 669 [2024-11-16 13:57:02,899 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2024-11-16 13:57:02,900 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 389 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 712 mSolverCounterSat, 215 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 389 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 215 IncrementalHoareTripleChecker+Valid, 712 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-16 13:57:02,900 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [389 Valid, 461 Invalid, 927 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [215 Valid, 712 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-16 13:57:02,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2024-11-16 13:57:03,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 639. [2024-11-16 13:57:03,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 639 states, 418 states have (on average 1.325358851674641) internal successors, (554), 423 states have internal predecessors, (554), 208 states have call successors, (208), 12 states have call predecessors, (208), 12 states have return successors, (208), 203 states have call predecessors, (208), 208 states have call successors, (208) [2024-11-16 13:57:03,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 970 transitions. [2024-11-16 13:57:03,035 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 970 transitions. Word has length 214 [2024-11-16 13:57:03,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 13:57:03,035 INFO L471 AbstractCegarLoop]: Abstraction has 639 states and 970 transitions. [2024-11-16 13:57:03,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-16 13:57:03,036 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 970 transitions. [2024-11-16 13:57:03,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-16 13:57:03,038 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 13:57:03,038 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 13:57:03,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 13:57:03,039 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 13:57:03,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 13:57:03,039 INFO L85 PathProgramCache]: Analyzing trace with hash 38613594, now seen corresponding path program 1 times [2024-11-16 13:57:03,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 13:57:03,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432883442] [2024-11-16 13:57:03,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 13:57:03,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 13:57:03,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:03,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 13:57:03,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:03,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 13:57:03,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:03,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 13:57:03,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:03,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 13:57:03,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:03,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 13:57:03,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:03,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 13:57:03,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:03,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 13:57:03,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:03,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 13:57:03,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:03,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 13:57:03,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:03,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 13:57:03,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:03,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 13:57:03,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:03,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 13:57:03,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:03,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 13:57:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:03,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 13:57:03,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:03,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 13:57:03,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:03,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 13:57:03,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:03,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 13:57:03,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:03,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 13:57:03,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:03,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 13:57:03,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:03,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 13:57:03,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:03,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 13:57:03,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:03,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 13:57:03,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:03,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 13:57:03,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:03,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 13:57:03,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:03,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 13:57:03,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:03,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 13:57:03,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:03,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 13:57:03,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:03,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 13:57:03,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:03,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 13:57:03,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:03,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 13:57:03,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:03,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 13:57:03,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:03,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-16 13:57:03,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:03,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 13:57:03,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:03,395 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-16 13:57:03,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 13:57:03,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432883442] [2024-11-16 13:57:03,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432883442] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 13:57:03,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 13:57:03,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 13:57:03,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471009946] [2024-11-16 13:57:03,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 13:57:03,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 13:57:03,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 13:57:03,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 13:57:03,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 13:57:03,397 INFO L87 Difference]: Start difference. First operand 639 states and 970 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-16 13:57:03,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 13:57:03,584 INFO L93 Difference]: Finished difference Result 1036 states and 1569 transitions. [2024-11-16 13:57:03,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 13:57:03,584 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 215 [2024-11-16 13:57:03,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 13:57:03,588 INFO L225 Difference]: With dead ends: 1036 [2024-11-16 13:57:03,588 INFO L226 Difference]: Without dead ends: 614 [2024-11-16 13:57:03,591 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 13:57:03,592 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 41 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 13:57:03,592 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 254 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 13:57:03,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2024-11-16 13:57:03,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 592. [2024-11-16 13:57:03,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 592 states, 383 states have (on average 1.3002610966057442) internal successors, (498), 387 states have internal predecessors, (498), 196 states have call successors, (196), 12 states have call predecessors, (196), 12 states have return successors, (196), 192 states have call predecessors, (196), 196 states have call successors, (196) [2024-11-16 13:57:03,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 890 transitions. [2024-11-16 13:57:03,714 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 890 transitions. Word has length 215 [2024-11-16 13:57:03,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 13:57:03,714 INFO L471 AbstractCegarLoop]: Abstraction has 592 states and 890 transitions. [2024-11-16 13:57:03,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-16 13:57:03,715 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 890 transitions. [2024-11-16 13:57:03,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-16 13:57:03,717 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 13:57:03,717 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 13:57:03,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 13:57:03,718 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 13:57:03,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 13:57:03,718 INFO L85 PathProgramCache]: Analyzing trace with hash -2097887238, now seen corresponding path program 1 times [2024-11-16 13:57:03,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 13:57:03,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563595595] [2024-11-16 13:57:03,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 13:57:03,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 13:57:03,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:04,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 13:57:04,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:04,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 13:57:04,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:04,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 13:57:04,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:04,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 13:57:04,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:04,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 13:57:04,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:04,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 13:57:04,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:04,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 13:57:04,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:04,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 13:57:04,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:04,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 13:57:04,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:04,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 13:57:04,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:04,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 13:57:04,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:04,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 13:57:04,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:04,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 13:57:04,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:04,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 13:57:04,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:04,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 13:57:04,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:04,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 13:57:04,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:04,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 13:57:04,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:04,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 13:57:04,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:04,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 13:57:04,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:04,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 13:57:04,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:04,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 13:57:04,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:04,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 13:57:04,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:04,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 13:57:04,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:04,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 13:57:04,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:04,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 13:57:04,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:04,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 13:57:04,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:04,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 13:57:04,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:04,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 13:57:04,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:04,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 13:57:04,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:04,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 13:57:04,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:04,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 13:57:04,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:04,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-16 13:57:04,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:04,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 13:57:04,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:04,376 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-16 13:57:04,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 13:57:04,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563595595] [2024-11-16 13:57:04,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563595595] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 13:57:04,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 13:57:04,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 13:57:04,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545160975] [2024-11-16 13:57:04,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 13:57:04,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 13:57:04,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 13:57:04,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 13:57:04,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-16 13:57:04,379 INFO L87 Difference]: Start difference. First operand 592 states and 890 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-16 13:57:04,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 13:57:04,894 INFO L93 Difference]: Finished difference Result 1081 states and 1622 transitions. [2024-11-16 13:57:04,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 13:57:04,895 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 215 [2024-11-16 13:57:04,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 13:57:04,900 INFO L225 Difference]: With dead ends: 1081 [2024-11-16 13:57:04,901 INFO L226 Difference]: Without dead ends: 706 [2024-11-16 13:57:04,902 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-16 13:57:04,904 INFO L432 NwaCegarLoop]: 241 mSDtfsCounter, 225 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 13:57:04,904 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 524 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 13:57:04,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2024-11-16 13:57:05,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 602. [2024-11-16 13:57:05,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 602 states, 393 states have (on average 1.3027989821882953) internal successors, (512), 397 states have internal predecessors, (512), 196 states have call successors, (196), 12 states have call predecessors, (196), 12 states have return successors, (196), 192 states have call predecessors, (196), 196 states have call successors, (196) [2024-11-16 13:57:05,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 904 transitions. [2024-11-16 13:57:05,023 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 904 transitions. Word has length 215 [2024-11-16 13:57:05,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 13:57:05,025 INFO L471 AbstractCegarLoop]: Abstraction has 602 states and 904 transitions. [2024-11-16 13:57:05,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-16 13:57:05,025 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 904 transitions. [2024-11-16 13:57:05,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-16 13:57:05,026 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 13:57:05,027 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 13:57:05,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 13:57:05,027 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 13:57:05,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 13:57:05,027 INFO L85 PathProgramCache]: Analyzing trace with hash 159023769, now seen corresponding path program 1 times [2024-11-16 13:57:05,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 13:57:05,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849275940] [2024-11-16 13:57:05,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 13:57:05,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 13:57:05,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:05,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 13:57:05,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:05,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 13:57:05,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:05,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 13:57:05,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:05,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 13:57:05,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:05,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 13:57:05,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:05,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 13:57:05,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:05,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 13:57:05,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:05,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 13:57:05,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:05,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 13:57:05,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:05,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 13:57:05,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:05,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 13:57:05,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:05,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 13:57:05,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:05,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 13:57:05,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:05,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 13:57:05,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:05,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 13:57:05,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:05,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 13:57:05,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:05,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 13:57:05,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:05,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 13:57:05,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:05,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 13:57:05,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:05,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 13:57:05,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:05,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 13:57:05,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:05,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 13:57:05,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:05,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 13:57:05,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:05,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 13:57:05,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:05,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 13:57:05,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:05,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 13:57:05,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:05,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 13:57:05,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:05,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 13:57:05,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:05,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 13:57:05,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:05,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 13:57:05,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:05,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 13:57:05,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:05,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-16 13:57:05,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:05,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-16 13:57:05,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 13:57:05,568 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-16 13:57:05,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 13:57:05,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849275940] [2024-11-16 13:57:05,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849275940] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 13:57:05,568 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 13:57:05,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 13:57:05,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143919668] [2024-11-16 13:57:05,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 13:57:05,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 13:57:05,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 13:57:05,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 13:57:05,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-16 13:57:05,570 INFO L87 Difference]: Start difference. First operand 602 states and 904 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, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-16 13:57:06,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 13:57:06,253 INFO L93 Difference]: Finished difference Result 1331 states and 2003 transitions. [2024-11-16 13:57:06,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 13:57:06,254 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, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 215 [2024-11-16 13:57:06,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 13:57:06,259 INFO L225 Difference]: With dead ends: 1331 [2024-11-16 13:57:06,259 INFO L226 Difference]: Without dead ends: 946 [2024-11-16 13:57:06,260 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-16 13:57:06,260 INFO L432 NwaCegarLoop]: 216 mSDtfsCounter, 458 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 458 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 13:57:06,261 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [458 Valid, 401 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 13:57:06,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 946 states. [2024-11-16 13:57:06,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 946 to 865. [2024-11-16 13:57:06,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 865 states, 544 states have (on average 1.275735294117647) internal successors, (694), 549 states have internal predecessors, (694), 303 states have call successors, (303), 17 states have call predecessors, (303), 17 states have return successors, (303), 298 states have call predecessors, (303), 303 states have call successors, (303) [2024-11-16 13:57:06,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 865 states and 1300 transitions. [2024-11-16 13:57:06,407 INFO L78 Accepts]: Start accepts. Automaton has 865 states and 1300 transitions. Word has length 215 [2024-11-16 13:57:06,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 13:57:06,408 INFO L471 AbstractCegarLoop]: Abstraction has 865 states and 1300 transitions. [2024-11-16 13:57:06,408 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, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-16 13:57:06,408 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1300 transitions. [2024-11-16 13:57:06,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-16 13:57:06,409 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 13:57:06,410 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 13:57:06,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 13:57:06,410 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 13:57:06,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 13:57:06,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1512333466, now seen corresponding path program 1 times [2024-11-16 13:57:06,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 13:57:06,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960910459] [2024-11-16 13:57:06,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 13:57:06,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 13:57:06,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat