./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-69.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-69.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 96d87045534f1cc5b0e028ec5065a5ac2be4d13286f56c464cccf7714dd6ef42 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 10:47:39,272 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 10:47:39,332 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-24 10:47:39,336 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 10:47:39,336 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 10:47:39,354 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 10:47:39,358 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 10:47:39,358 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 10:47:39,359 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 10:47:39,359 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 10:47:39,359 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 10:47:39,360 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 10:47:39,361 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 10:47:39,362 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 10:47:39,363 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 10:47:39,363 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 10:47:39,363 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 10:47:39,364 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 10:47:39,364 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 10:47:39,364 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 10:47:39,368 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 10:47:39,369 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 10:47:39,369 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 10:47:39,369 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 10:47:39,369 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 10:47:39,369 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 10:47:39,370 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 10:47:39,370 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 10:47:39,370 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 10:47:39,370 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 10:47:39,370 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 10:47:39,371 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 10:47:39,371 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 10:47:39,371 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 10:47:39,371 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 10:47:39,372 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 10:47:39,372 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 10:47:39,372 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 10:47:39,373 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 10:47:39,374 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 10:47:39,374 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 10:47:39,374 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 10:47:39,375 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 96d87045534f1cc5b0e028ec5065a5ac2be4d13286f56c464cccf7714dd6ef42 [2024-10-24 10:47:39,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 10:47:39,626 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 10:47:39,629 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 10:47:39,630 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 10:47:39,631 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 10:47:39,632 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-69.i [2024-10-24 10:47:41,083 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 10:47:41,374 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 10:47:41,376 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-69.i [2024-10-24 10:47:41,399 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ca248ac6/c52dc8628a7e41168301304e05103343/FLAG144582910 [2024-10-24 10:47:41,419 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ca248ac6/c52dc8628a7e41168301304e05103343 [2024-10-24 10:47:41,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 10:47:41,422 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 10:47:41,424 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 10:47:41,424 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 10:47:41,432 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 10:47:41,432 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:47:41" (1/1) ... [2024-10-24 10:47:41,433 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@743e86eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:47:41, skipping insertion in model container [2024-10-24 10:47:41,434 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:47:41" (1/1) ... [2024-10-24 10:47:41,515 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 10:47:41,691 WARN L248 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_operatoramount_amount500_file-69.i[916,929] [2024-10-24 10:47:41,902 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 10:47:41,917 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 10:47:41,932 WARN L248 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_operatoramount_amount500_file-69.i[916,929] [2024-10-24 10:47:42,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 10:47:42,064 INFO L204 MainTranslator]: Completed translation [2024-10-24 10:47:42,065 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:47:42 WrapperNode [2024-10-24 10:47:42,065 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 10:47:42,066 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 10:47:42,066 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 10:47:42,066 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 10:47:42,072 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:47:42" (1/1) ... [2024-10-24 10:47:42,100 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:47:42" (1/1) ... [2024-10-24 10:47:42,191 INFO L138 Inliner]: procedures = 26, calls = 80, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 799 [2024-10-24 10:47:42,192 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 10:47:42,193 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 10:47:42,193 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 10:47:42,193 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 10:47:42,204 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:47:42" (1/1) ... [2024-10-24 10:47:42,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:47:42" (1/1) ... [2024-10-24 10:47:42,229 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:47:42" (1/1) ... [2024-10-24 10:47:42,274 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]. [2024-10-24 10:47:42,274 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:47:42" (1/1) ... [2024-10-24 10:47:42,274 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:47:42" (1/1) ... [2024-10-24 10:47:42,301 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:47:42" (1/1) ... [2024-10-24 10:47:42,310 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:47:42" (1/1) ... [2024-10-24 10:47:42,320 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:47:42" (1/1) ... [2024-10-24 10:47:42,332 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:47:42" (1/1) ... [2024-10-24 10:47:42,359 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 10:47:42,361 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 10:47:42,362 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 10:47:42,362 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 10:47:42,363 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:47:42" (1/1) ... [2024-10-24 10:47:42,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 10:47:42,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 10:47:42,463 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) [2024-10-24 10:47:42,473 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 [2024-10-24 10:47:42,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 10:47:42,544 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-24 10:47:42,545 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-24 10:47:42,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 10:47:42,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 10:47:42,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 10:47:42,690 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 10:47:42,692 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 10:47:43,998 INFO L? ?]: Removed 104 outVars from TransFormulas that were not future-live. [2024-10-24 10:47:43,999 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 10:47:44,045 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 10:47:44,047 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-24 10:47:44,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:47:44 BoogieIcfgContainer [2024-10-24 10:47:44,048 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 10:47:44,050 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 10:47:44,051 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 10:47:44,054 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 10:47:44,054 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:47:41" (1/3) ... [2024-10-24 10:47:44,055 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bc82264 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:47:44, skipping insertion in model container [2024-10-24 10:47:44,056 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:47:42" (2/3) ... [2024-10-24 10:47:44,056 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bc82264 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:47:44, skipping insertion in model container [2024-10-24 10:47:44,057 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:47:44" (3/3) ... [2024-10-24 10:47:44,058 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount500_file-69.i [2024-10-24 10:47:44,075 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 10:47:44,076 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-24 10:47:44,164 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 10:47:44,172 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;@76e0aaf8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 10:47:44,172 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-24 10:47:44,179 INFO L276 IsEmpty]: Start isEmpty. Operand has 318 states, 248 states have (on average 1.5766129032258065) internal successors, (391), 249 states have internal predecessors, (391), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-10-24 10:47:44,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2024-10-24 10:47:44,221 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:47:44,222 INFO L215 NwaCegarLoop]: trace histogram [67, 67, 67, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:47:44,222 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:47:44,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:47:44,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1876356028, now seen corresponding path program 1 times [2024-10-24 10:47:44,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:47:44,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823703389] [2024-10-24 10:47:44,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:47:44,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:47:44,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:44,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:47:44,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:44,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:47:44,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:44,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:47:44,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:44,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:47:44,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:44,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:47:44,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:44,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 10:47:44,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:44,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 10:47:44,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:44,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 10:47:44,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:44,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 10:47:44,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:44,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 10:47:44,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:44,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 10:47:44,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:44,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 10:47:44,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:44,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 10:47:44,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:44,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 10:47:44,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:44,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 10:47:44,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:44,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 10:47:44,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:44,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:47:44,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:44,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 10:47:44,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:44,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 10:47:44,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:44,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 10:47:44,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:44,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 10:47:44,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:44,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 10:47:44,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:44,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 10:47:44,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:44,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 10:47:44,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:44,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:47:44,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:44,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:47:44,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:44,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 10:47:44,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:44,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 10:47:44,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:44,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-24 10:47:44,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:44,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:47:44,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:44,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 10:47:44,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:44,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:47:44,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:44,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 10:47:44,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:44,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-24 10:47:44,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:44,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-24 10:47:44,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:44,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 10:47:45,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-24 10:47:45,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-24 10:47:45,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-24 10:47:45,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-24 10:47:45,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-24 10:47:45,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 10:47:45,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-24 10:47:45,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-24 10:47:45,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-24 10:47:45,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-24 10:47:45,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-24 10:47:45,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-24 10:47:45,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-24 10:47:45,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-10-24 10:47:45,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-24 10:47:45,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-10-24 10:47:45,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-10-24 10:47:45,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-10-24 10:47:45,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-10-24 10:47:45,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-10-24 10:47:45,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2024-10-24 10:47:45,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2024-10-24 10:47:45,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-10-24 10:47:45,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2024-10-24 10:47:45,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2024-10-24 10:47:45,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-10-24 10:47:45,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-10-24 10:47:45,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2024-10-24 10:47:45,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2024-10-24 10:47:45,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2024-10-24 10:47:45,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2024-10-24 10:47:45,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,156 INFO L134 CoverageAnalysis]: Checked inductivity of 8844 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8844 trivial. 0 not checked. [2024-10-24 10:47:45,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:47:45,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823703389] [2024-10-24 10:47:45,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823703389] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:47:45,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:47:45,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 10:47:45,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134818581] [2024-10-24 10:47:45,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:47:45,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-24 10:47:45,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:47:45,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-24 10:47:45,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 10:47:45,199 INFO L87 Difference]: Start difference. First operand has 318 states, 248 states have (on average 1.5766129032258065) internal successors, (391), 249 states have internal predecessors, (391), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) Second operand has 2 states, 2 states have (on average 62.5) internal successors, (125), 2 states have internal predecessors, (125), 2 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 1 states have call predecessors, (67), 2 states have call successors, (67) [2024-10-24 10:47:45,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:47:45,283 INFO L93 Difference]: Finished difference Result 633 states and 1115 transitions. [2024-10-24 10:47:45,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-24 10:47:45,286 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 62.5) internal successors, (125), 2 states have internal predecessors, (125), 2 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 1 states have call predecessors, (67), 2 states have call successors, (67) Word has length 457 [2024-10-24 10:47:45,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:47:45,299 INFO L225 Difference]: With dead ends: 633 [2024-10-24 10:47:45,299 INFO L226 Difference]: Without dead ends: 316 [2024-10-24 10:47:45,308 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-24 10:47:45,312 INFO L432 NwaCegarLoop]: 517 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 517 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 10:47:45,314 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 517 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 10:47:45,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2024-10-24 10:47:45,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 316. [2024-10-24 10:47:45,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 247 states have (on average 1.562753036437247) internal successors, (386), 247 states have internal predecessors, (386), 67 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-10-24 10:47:45,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 520 transitions. [2024-10-24 10:47:45,393 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 520 transitions. Word has length 457 [2024-10-24 10:47:45,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:47:45,393 INFO L471 AbstractCegarLoop]: Abstraction has 316 states and 520 transitions. [2024-10-24 10:47:45,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 62.5) internal successors, (125), 2 states have internal predecessors, (125), 2 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 1 states have call predecessors, (67), 2 states have call successors, (67) [2024-10-24 10:47:45,394 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 520 transitions. [2024-10-24 10:47:45,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2024-10-24 10:47:45,402 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:47:45,403 INFO L215 NwaCegarLoop]: trace histogram [67, 67, 67, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:47:45,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 10:47:45,403 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:47:45,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:47:45,404 INFO L85 PathProgramCache]: Analyzing trace with hash -1225474938, now seen corresponding path program 1 times [2024-10-24 10:47:45,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:47:45,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789468432] [2024-10-24 10:47:45,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:47:45,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:47:45,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:47:45,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:47:45,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:47:45,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:47:45,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:47:45,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 10:47:45,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 10:47:45,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 10:47:45,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 10:47:45,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 10:47:45,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 10:47:45,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 10:47:45,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 10:47:45,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 10:47:45,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 10:47:45,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 10:47:45,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:47:45,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 10:47:45,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 10:47:45,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 10:47:45,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 10:47:45,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 10:47:45,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 10:47:45,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 10:47:45,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:47:45,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:47:45,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 10:47:45,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 10:47:45,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-24 10:47:45,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:47:45,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 10:47:45,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:47:45,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 10:47:45,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-24 10:47:45,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-24 10:47:45,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 10:47:45,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-24 10:47:45,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-24 10:47:45,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-24 10:47:45,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-24 10:47:45,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-24 10:47:45,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 10:47:45,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-24 10:47:45,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-24 10:47:45,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-24 10:47:45,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-24 10:47:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-24 10:47:45,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-24 10:47:45,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-24 10:47:45,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-10-24 10:47:45,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-24 10:47:45,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-10-24 10:47:45,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-10-24 10:47:45,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-10-24 10:47:45,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-10-24 10:47:45,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-10-24 10:47:45,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:45,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2024-10-24 10:47:46,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2024-10-24 10:47:46,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-10-24 10:47:46,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2024-10-24 10:47:46,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2024-10-24 10:47:46,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-10-24 10:47:46,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-10-24 10:47:46,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2024-10-24 10:47:46,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2024-10-24 10:47:46,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2024-10-24 10:47:46,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2024-10-24 10:47:46,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,060 INFO L134 CoverageAnalysis]: Checked inductivity of 8844 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8844 trivial. 0 not checked. [2024-10-24 10:47:46,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:47:46,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789468432] [2024-10-24 10:47:46,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789468432] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:47:46,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:47:46,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 10:47:46,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816288936] [2024-10-24 10:47:46,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:47:46,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 10:47:46,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:47:46,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 10:47:46,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 10:47:46,066 INFO L87 Difference]: Start difference. First operand 316 states and 520 transitions. Second operand has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 1 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 1 states have call predecessors, (67), 1 states have call successors, (67) [2024-10-24 10:47:46,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:47:46,189 INFO L93 Difference]: Finished difference Result 941 states and 1548 transitions. [2024-10-24 10:47:46,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 10:47:46,190 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 1 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 1 states have call predecessors, (67), 1 states have call successors, (67) Word has length 457 [2024-10-24 10:47:46,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:47:46,199 INFO L225 Difference]: With dead ends: 941 [2024-10-24 10:47:46,201 INFO L226 Difference]: Without dead ends: 626 [2024-10-24 10:47:46,202 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 10:47:46,204 INFO L432 NwaCegarLoop]: 510 mSDtfsCounter, 506 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 506 SdHoareTripleChecker+Valid, 1004 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 10:47:46,205 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [506 Valid, 1004 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 10:47:46,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2024-10-24 10:47:46,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 622. [2024-10-24 10:47:46,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 622 states, 485 states have (on average 1.552577319587629) internal successors, (753), 485 states have internal predecessors, (753), 134 states have call successors, (134), 2 states have call predecessors, (134), 2 states have return successors, (134), 134 states have call predecessors, (134), 134 states have call successors, (134) [2024-10-24 10:47:46,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 1021 transitions. [2024-10-24 10:47:46,311 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 1021 transitions. Word has length 457 [2024-10-24 10:47:46,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:47:46,313 INFO L471 AbstractCegarLoop]: Abstraction has 622 states and 1021 transitions. [2024-10-24 10:47:46,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 1 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 1 states have call predecessors, (67), 1 states have call successors, (67) [2024-10-24 10:47:46,314 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 1021 transitions. [2024-10-24 10:47:46,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2024-10-24 10:47:46,322 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:47:46,322 INFO L215 NwaCegarLoop]: trace histogram [67, 67, 67, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:47:46,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 10:47:46,323 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:47:46,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:47:46,324 INFO L85 PathProgramCache]: Analyzing trace with hash -274055585, now seen corresponding path program 1 times [2024-10-24 10:47:46,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:47:46,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347957920] [2024-10-24 10:47:46,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:47:46,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:47:46,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:47:46,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:47:46,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:47:46,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:47:46,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:47:46,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 10:47:46,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 10:47:46,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 10:47:46,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 10:47:46,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 10:47:46,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 10:47:46,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 10:47:46,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 10:47:46,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 10:47:46,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 10:47:46,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 10:47:46,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:47:46,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 10:47:46,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 10:47:46,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 10:47:46,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 10:47:46,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 10:47:46,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 10:47:46,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 10:47:46,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:47:46,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:47:46,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 10:47:46,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 10:47:46,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-24 10:47:46,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:47:46,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 10:47:46,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:47:46,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 10:47:46,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-24 10:47:46,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-24 10:47:46,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 10:47:46,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-24 10:47:46,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-24 10:47:46,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-24 10:47:46,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-24 10:47:46,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-24 10:47:46,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 10:47:46,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-24 10:47:46,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-24 10:47:46,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-24 10:47:46,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-24 10:47:46,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-24 10:47:46,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-24 10:47:46,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-24 10:47:46,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-10-24 10:47:46,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-24 10:47:46,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-10-24 10:47:46,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-10-24 10:47:46,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-10-24 10:47:46,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-10-24 10:47:46,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-10-24 10:47:46,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2024-10-24 10:47:46,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2024-10-24 10:47:46,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-10-24 10:47:46,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2024-10-24 10:47:46,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2024-10-24 10:47:46,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-10-24 10:47:46,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-10-24 10:47:46,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2024-10-24 10:47:46,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2024-10-24 10:47:46,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2024-10-24 10:47:46,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2024-10-24 10:47:46,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:46,893 INFO L134 CoverageAnalysis]: Checked inductivity of 8844 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8844 trivial. 0 not checked. [2024-10-24 10:47:46,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:47:46,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347957920] [2024-10-24 10:47:46,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347957920] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:47:46,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:47:46,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 10:47:46,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570879245] [2024-10-24 10:47:46,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:47:46,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 10:47:46,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:47:46,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 10:47:46,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 10:47:46,896 INFO L87 Difference]: Start difference. First operand 622 states and 1021 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 1 states have call predecessors, (67), 1 states have call successors, (67) [2024-10-24 10:47:47,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:47:47,069 INFO L93 Difference]: Finished difference Result 1828 states and 3001 transitions. [2024-10-24 10:47:47,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 10:47:47,070 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 1 states have call predecessors, (67), 1 states have call successors, (67) Word has length 458 [2024-10-24 10:47:47,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:47:47,081 INFO L225 Difference]: With dead ends: 1828 [2024-10-24 10:47:47,081 INFO L226 Difference]: Without dead ends: 1207 [2024-10-24 10:47:47,084 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 10:47:47,085 INFO L432 NwaCegarLoop]: 736 mSDtfsCounter, 470 mSDsluCounter, 468 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 470 SdHoareTripleChecker+Valid, 1204 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 10:47:47,088 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [470 Valid, 1204 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 10:47:47,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1207 states. [2024-10-24 10:47:47,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1207 to 1205. [2024-10-24 10:47:47,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1205 states, 932 states have (on average 1.5343347639484979) internal successors, (1430), 932 states have internal predecessors, (1430), 268 states have call successors, (268), 4 states have call predecessors, (268), 4 states have return successors, (268), 268 states have call predecessors, (268), 268 states have call successors, (268) [2024-10-24 10:47:47,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 1205 states and 1966 transitions. [2024-10-24 10:47:47,203 INFO L78 Accepts]: Start accepts. Automaton has 1205 states and 1966 transitions. Word has length 458 [2024-10-24 10:47:47,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:47:47,205 INFO L471 AbstractCegarLoop]: Abstraction has 1205 states and 1966 transitions. [2024-10-24 10:47:47,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 1 states have call predecessors, (67), 1 states have call successors, (67) [2024-10-24 10:47:47,206 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1966 transitions. [2024-10-24 10:47:47,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2024-10-24 10:47:47,214 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:47:47,214 INFO L215 NwaCegarLoop]: trace histogram [67, 67, 67, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:47:47,214 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 10:47:47,215 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:47:47,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:47:47,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1567107419, now seen corresponding path program 1 times [2024-10-24 10:47:47,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:47:47,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717129301] [2024-10-24 10:47:47,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:47:47,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:47:47,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:47:47,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:47:47,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:47:47,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:47:47,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:47:47,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 10:47:47,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 10:47:47,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 10:47:47,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 10:47:47,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 10:47:47,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 10:47:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 10:47:47,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 10:47:47,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 10:47:47,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 10:47:47,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 10:47:47,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:47:47,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 10:47:47,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 10:47:47,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 10:47:47,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 10:47:47,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 10:47:47,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 10:47:47,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 10:47:47,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:47:47,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:47:47,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 10:47:47,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 10:47:47,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-24 10:47:47,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:47:47,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 10:47:47,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:47:47,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 10:47:47,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-24 10:47:47,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-24 10:47:47,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 10:47:47,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-24 10:47:47,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-24 10:47:47,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-24 10:47:47,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-24 10:47:47,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-24 10:47:47,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 10:47:47,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-24 10:47:47,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-24 10:47:47,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-24 10:47:47,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-24 10:47:47,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-24 10:47:47,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-24 10:47:47,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-24 10:47:47,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-10-24 10:47:47,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-24 10:47:47,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-10-24 10:47:47,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-10-24 10:47:47,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-10-24 10:47:47,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-10-24 10:47:47,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-10-24 10:47:47,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2024-10-24 10:47:47,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2024-10-24 10:47:47,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-10-24 10:47:47,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2024-10-24 10:47:47,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2024-10-24 10:47:47,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-10-24 10:47:47,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-10-24 10:47:47,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2024-10-24 10:47:47,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2024-10-24 10:47:47,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2024-10-24 10:47:47,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2024-10-24 10:47:47,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:47,839 INFO L134 CoverageAnalysis]: Checked inductivity of 8844 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8844 trivial. 0 not checked. [2024-10-24 10:47:47,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:47:47,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717129301] [2024-10-24 10:47:47,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717129301] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:47:47,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:47:47,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 10:47:47,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912646894] [2024-10-24 10:47:47,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:47:47,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 10:47:47,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:47:47,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 10:47:47,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 10:47:47,843 INFO L87 Difference]: Start difference. First operand 1205 states and 1966 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 1 states have call predecessors, (67), 1 states have call successors, (67) [2024-10-24 10:47:48,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:47:48,015 INFO L93 Difference]: Finished difference Result 3601 states and 5874 transitions. [2024-10-24 10:47:48,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 10:47:48,015 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 1 states have call predecessors, (67), 1 states have call successors, (67) Word has length 458 [2024-10-24 10:47:48,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:47:48,031 INFO L225 Difference]: With dead ends: 3601 [2024-10-24 10:47:48,032 INFO L226 Difference]: Without dead ends: 2397 [2024-10-24 10:47:48,037 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 10:47:48,040 INFO L432 NwaCegarLoop]: 757 mSDtfsCounter, 471 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 471 SdHoareTripleChecker+Valid, 1254 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 10:47:48,041 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [471 Valid, 1254 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 10:47:48,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2397 states. [2024-10-24 10:47:48,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2397 to 2383. [2024-10-24 10:47:48,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2383 states, 1838 states have (on average 1.5233949945593035) internal successors, (2800), 1838 states have internal predecessors, (2800), 536 states have call successors, (536), 8 states have call predecessors, (536), 8 states have return successors, (536), 536 states have call predecessors, (536), 536 states have call successors, (536) [2024-10-24 10:47:48,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2383 states to 2383 states and 3872 transitions. [2024-10-24 10:47:48,253 INFO L78 Accepts]: Start accepts. Automaton has 2383 states and 3872 transitions. Word has length 458 [2024-10-24 10:47:48,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:47:48,254 INFO L471 AbstractCegarLoop]: Abstraction has 2383 states and 3872 transitions. [2024-10-24 10:47:48,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 1 states have call predecessors, (67), 1 states have call successors, (67) [2024-10-24 10:47:48,255 INFO L276 IsEmpty]: Start isEmpty. Operand 2383 states and 3872 transitions. [2024-10-24 10:47:48,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2024-10-24 10:47:48,263 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:47:48,263 INFO L215 NwaCegarLoop]: trace histogram [67, 67, 67, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:47:48,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-24 10:47:48,264 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:47:48,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:47:48,264 INFO L85 PathProgramCache]: Analyzing trace with hash 967634875, now seen corresponding path program 1 times [2024-10-24 10:47:48,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:47:48,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757542279] [2024-10-24 10:47:48,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:47:48,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:47:48,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:47:49,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:47:49,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:47:49,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:47:49,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:47:49,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 10:47:49,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 10:47:49,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 10:47:49,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 10:47:49,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 10:47:49,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 10:47:49,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 10:47:49,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 10:47:49,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 10:47:49,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 10:47:49,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 10:47:49,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:47:49,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 10:47:49,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 10:47:49,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 10:47:49,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 10:47:49,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 10:47:49,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 10:47:49,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 10:47:49,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:47:49,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:47:49,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 10:47:49,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 10:47:49,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-24 10:47:49,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:47:49,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 10:47:49,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:47:49,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 10:47:49,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-24 10:47:49,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-24 10:47:49,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 10:47:49,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-24 10:47:49,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-24 10:47:49,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-24 10:47:49,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-24 10:47:49,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-24 10:47:49,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 10:47:49,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-24 10:47:49,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-24 10:47:49,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-24 10:47:49,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-24 10:47:49,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-24 10:47:49,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-24 10:47:49,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-24 10:47:49,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-10-24 10:47:49,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-24 10:47:49,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-10-24 10:47:49,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-10-24 10:47:49,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-10-24 10:47:49,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-10-24 10:47:49,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-10-24 10:47:49,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2024-10-24 10:47:49,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2024-10-24 10:47:49,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-10-24 10:47:49,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2024-10-24 10:47:49,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2024-10-24 10:47:49,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-10-24 10:47:49,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-10-24 10:47:49,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2024-10-24 10:47:49,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2024-10-24 10:47:49,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2024-10-24 10:47:49,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2024-10-24 10:47:49,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:49,858 INFO L134 CoverageAnalysis]: Checked inductivity of 8844 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8844 trivial. 0 not checked. [2024-10-24 10:47:49,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:47:49,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757542279] [2024-10-24 10:47:49,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757542279] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:47:49,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:47:49,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 10:47:49,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754354349] [2024-10-24 10:47:49,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:47:49,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 10:47:49,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:47:49,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 10:47:49,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-10-24 10:47:49,862 INFO L87 Difference]: Start difference. First operand 2383 states and 3872 transitions. Second operand has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 2 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) [2024-10-24 10:47:51,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:47:51,124 INFO L93 Difference]: Finished difference Result 9495 states and 15404 transitions. [2024-10-24 10:47:51,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 10:47:51,124 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 2 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) Word has length 458 [2024-10-24 10:47:51,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:47:51,162 INFO L225 Difference]: With dead ends: 9495 [2024-10-24 10:47:51,162 INFO L226 Difference]: Without dead ends: 7113 [2024-10-24 10:47:51,175 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-10-24 10:47:51,177 INFO L432 NwaCegarLoop]: 444 mSDtfsCounter, 1411 mSDsluCounter, 2159 mSDsCounter, 0 mSdLazyCounter, 729 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1411 SdHoareTripleChecker+Valid, 2603 SdHoareTripleChecker+Invalid, 735 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 729 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-24 10:47:51,179 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1411 Valid, 2603 Invalid, 735 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 729 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-24 10:47:51,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7113 states. [2024-10-24 10:47:51,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7113 to 5267. [2024-10-24 10:47:51,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5267 states, 4178 states have (on average 1.537099090473911) internal successors, (6422), 4178 states have internal predecessors, (6422), 1072 states have call successors, (1072), 16 states have call predecessors, (1072), 16 states have return successors, (1072), 1072 states have call predecessors, (1072), 1072 states have call successors, (1072) [2024-10-24 10:47:51,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5267 states to 5267 states and 8566 transitions. [2024-10-24 10:47:51,805 INFO L78 Accepts]: Start accepts. Automaton has 5267 states and 8566 transitions. Word has length 458 [2024-10-24 10:47:51,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:47:51,806 INFO L471 AbstractCegarLoop]: Abstraction has 5267 states and 8566 transitions. [2024-10-24 10:47:51,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 2 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) [2024-10-24 10:47:51,806 INFO L276 IsEmpty]: Start isEmpty. Operand 5267 states and 8566 transitions. [2024-10-24 10:47:51,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2024-10-24 10:47:51,819 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:47:51,819 INFO L215 NwaCegarLoop]: trace histogram [67, 67, 67, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:47:51,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-24 10:47:51,820 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:47:51,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:47:51,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1276348423, now seen corresponding path program 1 times [2024-10-24 10:47:51,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:47:51,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805200091] [2024-10-24 10:47:51,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:47:51,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:47:51,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:47:52,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:47:52,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:47:52,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:47:52,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:47:52,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 10:47:52,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 10:47:52,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 10:47:52,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 10:47:52,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 10:47:52,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 10:47:52,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 10:47:52,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 10:47:52,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 10:47:52,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 10:47:52,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 10:47:52,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:47:52,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 10:47:52,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 10:47:52,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 10:47:52,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 10:47:52,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 10:47:52,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 10:47:52,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 10:47:52,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:47:52,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:47:52,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 10:47:52,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 10:47:52,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-24 10:47:52,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:47:52,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 10:47:52,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:47:52,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 10:47:52,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-24 10:47:52,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-24 10:47:52,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 10:47:52,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-24 10:47:52,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-24 10:47:52,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-24 10:47:52,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-24 10:47:52,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-24 10:47:52,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 10:47:52,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-24 10:47:52,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-24 10:47:52,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-24 10:47:52,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-24 10:47:52,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-24 10:47:52,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-24 10:47:52,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-24 10:47:52,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-10-24 10:47:52,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-24 10:47:52,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-10-24 10:47:52,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-10-24 10:47:52,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-10-24 10:47:52,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-10-24 10:47:52,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-10-24 10:47:52,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2024-10-24 10:47:52,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2024-10-24 10:47:52,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-10-24 10:47:52,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2024-10-24 10:47:52,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2024-10-24 10:47:52,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-10-24 10:47:52,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-10-24 10:47:52,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2024-10-24 10:47:52,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2024-10-24 10:47:52,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2024-10-24 10:47:52,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2024-10-24 10:47:52,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:52,773 INFO L134 CoverageAnalysis]: Checked inductivity of 8844 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8844 trivial. 0 not checked. [2024-10-24 10:47:52,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:47:52,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805200091] [2024-10-24 10:47:52,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805200091] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:47:52,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:47:52,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 10:47:52,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324028459] [2024-10-24 10:47:52,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:47:52,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 10:47:52,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:47:52,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 10:47:52,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 10:47:52,777 INFO L87 Difference]: Start difference. First operand 5267 states and 8566 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 1 states have call predecessors, (67), 1 states have call successors, (67) [2024-10-24 10:47:53,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:47:53,336 INFO L93 Difference]: Finished difference Result 15751 states and 25632 transitions. [2024-10-24 10:47:53,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 10:47:53,337 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 1 states have call predecessors, (67), 1 states have call successors, (67) Word has length 458 [2024-10-24 10:47:53,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:47:53,400 INFO L225 Difference]: With dead ends: 15751 [2024-10-24 10:47:53,401 INFO L226 Difference]: Without dead ends: 10485 [2024-10-24 10:47:53,420 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 10:47:53,422 INFO L432 NwaCegarLoop]: 612 mSDtfsCounter, 508 mSDsluCounter, 499 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 508 SdHoareTripleChecker+Valid, 1111 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 10:47:53,423 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [508 Valid, 1111 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 10:47:53,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10485 states. [2024-10-24 10:47:54,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10485 to 10467. [2024-10-24 10:47:54,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10467 states, 8290 states have (on average 1.5336550060313632) internal successors, (12714), 8290 states have internal predecessors, (12714), 2144 states have call successors, (2144), 32 states have call predecessors, (2144), 32 states have return successors, (2144), 2144 states have call predecessors, (2144), 2144 states have call successors, (2144) [2024-10-24 10:47:54,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10467 states to 10467 states and 17002 transitions. [2024-10-24 10:47:54,313 INFO L78 Accepts]: Start accepts. Automaton has 10467 states and 17002 transitions. Word has length 458 [2024-10-24 10:47:54,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:47:54,314 INFO L471 AbstractCegarLoop]: Abstraction has 10467 states and 17002 transitions. [2024-10-24 10:47:54,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 1 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 1 states have call predecessors, (67), 1 states have call successors, (67) [2024-10-24 10:47:54,314 INFO L276 IsEmpty]: Start isEmpty. Operand 10467 states and 17002 transitions. [2024-10-24 10:47:54,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2024-10-24 10:47:54,332 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:47:54,332 INFO L215 NwaCegarLoop]: trace histogram [67, 67, 67, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:47:54,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 10:47:54,333 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:47:54,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:47:54,333 INFO L85 PathProgramCache]: Analyzing trace with hash -227292048, now seen corresponding path program 1 times [2024-10-24 10:47:54,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:47:54,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833016138] [2024-10-24 10:47:54,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:47:54,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:47:54,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:47:55,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:47:55,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:47:55,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:47:55,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:47:55,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 10:47:55,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 10:47:55,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 10:47:55,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 10:47:55,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 10:47:55,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 10:47:55,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 10:47:55,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 10:47:55,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 10:47:55,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 10:47:55,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 10:47:55,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:47:55,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 10:47:55,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 10:47:55,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 10:47:55,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 10:47:55,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 10:47:55,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 10:47:55,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 10:47:55,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:47:55,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:47:55,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 10:47:55,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 10:47:55,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-24 10:47:55,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:47:55,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 10:47:55,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:47:55,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 10:47:55,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-24 10:47:55,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-24 10:47:55,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 10:47:55,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-24 10:47:55,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-24 10:47:55,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-24 10:47:55,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-24 10:47:55,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-24 10:47:55,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 10:47:55,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-24 10:47:55,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-24 10:47:55,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-24 10:47:55,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-24 10:47:55,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-24 10:47:55,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-24 10:47:55,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-24 10:47:55,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-10-24 10:47:55,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-24 10:47:55,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-10-24 10:47:55,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-10-24 10:47:55,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-10-24 10:47:55,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-10-24 10:47:55,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-10-24 10:47:55,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2024-10-24 10:47:55,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2024-10-24 10:47:55,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-10-24 10:47:55,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2024-10-24 10:47:55,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2024-10-24 10:47:55,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-10-24 10:47:55,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-10-24 10:47:55,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2024-10-24 10:47:55,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2024-10-24 10:47:55,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2024-10-24 10:47:55,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2024-10-24 10:47:55,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:55,885 INFO L134 CoverageAnalysis]: Checked inductivity of 8844 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8844 trivial. 0 not checked. [2024-10-24 10:47:55,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:47:55,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833016138] [2024-10-24 10:47:55,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833016138] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:47:55,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:47:55,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 10:47:55,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437219848] [2024-10-24 10:47:55,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:47:55,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 10:47:55,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:47:55,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 10:47:55,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 10:47:55,890 INFO L87 Difference]: Start difference. First operand 10467 states and 17002 transitions. Second operand has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 1 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 1 states have call predecessors, (67), 1 states have call successors, (67) [2024-10-24 10:47:57,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:47:57,063 INFO L93 Difference]: Finished difference Result 26671 states and 43328 transitions. [2024-10-24 10:47:57,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 10:47:57,064 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 1 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 1 states have call predecessors, (67), 1 states have call successors, (67) Word has length 459 [2024-10-24 10:47:57,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:47:57,183 INFO L225 Difference]: With dead ends: 26671 [2024-10-24 10:47:57,184 INFO L226 Difference]: Without dead ends: 16205 [2024-10-24 10:47:57,225 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 10:47:57,228 INFO L432 NwaCegarLoop]: 472 mSDtfsCounter, 589 mSDsluCounter, 899 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 589 SdHoareTripleChecker+Valid, 1371 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 10:47:57,228 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [589 Valid, 1371 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 10:47:57,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16205 states. [2024-10-24 10:47:58,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16205 to 16187. [2024-10-24 10:47:58,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16187 states, 12922 states have (on average 1.5345921683949852) internal successors, (19830), 12922 states have internal predecessors, (19830), 3216 states have call successors, (3216), 48 states have call predecessors, (3216), 48 states have return successors, (3216), 3216 states have call predecessors, (3216), 3216 states have call successors, (3216) [2024-10-24 10:47:58,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16187 states to 16187 states and 26262 transitions. [2024-10-24 10:47:58,711 INFO L78 Accepts]: Start accepts. Automaton has 16187 states and 26262 transitions. Word has length 459 [2024-10-24 10:47:58,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:47:58,713 INFO L471 AbstractCegarLoop]: Abstraction has 16187 states and 26262 transitions. [2024-10-24 10:47:58,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 31.75) internal successors, (127), 4 states have internal predecessors, (127), 1 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 1 states have call predecessors, (67), 1 states have call successors, (67) [2024-10-24 10:47:58,713 INFO L276 IsEmpty]: Start isEmpty. Operand 16187 states and 26262 transitions. [2024-10-24 10:47:58,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 461 [2024-10-24 10:47:58,730 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:47:58,731 INFO L215 NwaCegarLoop]: trace histogram [67, 67, 67, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:47:58,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 10:47:58,731 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:47:58,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:47:58,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1216293905, now seen corresponding path program 1 times [2024-10-24 10:47:58,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:47:58,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028606648] [2024-10-24 10:47:58,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:47:58,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:47:58,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:47:59,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:47:59,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:47:59,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:47:59,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:47:59,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 10:47:59,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 10:47:59,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 10:47:59,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 10:47:59,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 10:47:59,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 10:47:59,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 10:47:59,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 10:47:59,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 10:47:59,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 10:47:59,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 10:47:59,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:47:59,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 10:47:59,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 10:47:59,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 10:47:59,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 10:47:59,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 10:47:59,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 10:47:59,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 10:47:59,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:47:59,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:47:59,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 10:47:59,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 10:47:59,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-24 10:47:59,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:47:59,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 10:47:59,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:47:59,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 10:47:59,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-24 10:47:59,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-24 10:47:59,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 10:47:59,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-24 10:47:59,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-24 10:47:59,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-24 10:47:59,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-24 10:47:59,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-24 10:47:59,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 10:47:59,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-24 10:47:59,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-24 10:47:59,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-24 10:47:59,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-24 10:47:59,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-24 10:47:59,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-24 10:47:59,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-24 10:47:59,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-10-24 10:47:59,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-24 10:47:59,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-10-24 10:47:59,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-10-24 10:47:59,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-10-24 10:47:59,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-10-24 10:47:59,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-10-24 10:47:59,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2024-10-24 10:47:59,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2024-10-24 10:47:59,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-10-24 10:47:59,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2024-10-24 10:47:59,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2024-10-24 10:47:59,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-10-24 10:47:59,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-10-24 10:47:59,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2024-10-24 10:47:59,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2024-10-24 10:47:59,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2024-10-24 10:47:59,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2024-10-24 10:47:59,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:47:59,779 INFO L134 CoverageAnalysis]: Checked inductivity of 8844 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8844 trivial. 0 not checked. [2024-10-24 10:47:59,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:47:59,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028606648] [2024-10-24 10:47:59,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028606648] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:47:59,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:47:59,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 10:47:59,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414907425] [2024-10-24 10:47:59,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:47:59,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 10:47:59,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:47:59,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 10:47:59,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 10:47:59,785 INFO L87 Difference]: Start difference. First operand 16187 states and 26262 transitions. Second operand has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 1 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 1 states have call predecessors, (67), 1 states have call successors, (67) [2024-10-24 10:48:00,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:48:00,803 INFO L93 Difference]: Finished difference Result 41405 states and 67175 transitions. [2024-10-24 10:48:00,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 10:48:00,804 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 1 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 1 states have call predecessors, (67), 1 states have call successors, (67) Word has length 460 [2024-10-24 10:48:00,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:48:00,920 INFO L225 Difference]: With dead ends: 41405 [2024-10-24 10:48:00,921 INFO L226 Difference]: Without dead ends: 25219 [2024-10-24 10:48:00,991 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 10:48:00,992 INFO L432 NwaCegarLoop]: 804 mSDtfsCounter, 695 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 204 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 695 SdHoareTripleChecker+Valid, 1809 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 204 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-24 10:48:00,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [695 Valid, 1809 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [204 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-24 10:48:01,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25219 states. [2024-10-24 10:48:02,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25219 to 20247. [2024-10-24 10:48:02,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20247 states, 16166 states have (on average 1.5318569837931462) internal successors, (24764), 16166 states have internal predecessors, (24764), 4020 states have call successors, (4020), 60 states have call predecessors, (4020), 60 states have return successors, (4020), 4020 states have call predecessors, (4020), 4020 states have call successors, (4020) [2024-10-24 10:48:02,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20247 states to 20247 states and 32804 transitions. [2024-10-24 10:48:03,013 INFO L78 Accepts]: Start accepts. Automaton has 20247 states and 32804 transitions. Word has length 460 [2024-10-24 10:48:03,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:48:03,014 INFO L471 AbstractCegarLoop]: Abstraction has 20247 states and 32804 transitions. [2024-10-24 10:48:03,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.0) internal successors, (128), 4 states have internal predecessors, (128), 1 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 1 states have call predecessors, (67), 1 states have call successors, (67) [2024-10-24 10:48:03,015 INFO L276 IsEmpty]: Start isEmpty. Operand 20247 states and 32804 transitions. [2024-10-24 10:48:03,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 461 [2024-10-24 10:48:03,030 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:48:03,031 INFO L215 NwaCegarLoop]: trace histogram [67, 67, 67, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:48:03,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-24 10:48:03,031 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:48:03,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:48:03,032 INFO L85 PathProgramCache]: Analyzing trace with hash -329766765, now seen corresponding path program 1 times [2024-10-24 10:48:03,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:48:03,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511329322] [2024-10-24 10:48:03,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:03,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:48:05,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:48:07,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:48:07,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:48:07,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:48:07,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:48:07,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 10:48:07,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 10:48:07,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 10:48:07,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 10:48:07,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 10:48:07,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 10:48:07,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 10:48:07,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 10:48:07,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 10:48:07,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 10:48:07,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 10:48:07,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:48:07,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 10:48:07,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 10:48:07,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 10:48:07,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 10:48:07,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 10:48:07,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 10:48:07,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 10:48:07,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:48:07,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:48:07,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 10:48:07,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 10:48:07,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-24 10:48:07,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:48:07,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 10:48:07,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:48:07,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 10:48:07,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-24 10:48:07,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-24 10:48:07,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 10:48:07,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-24 10:48:07,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-24 10:48:07,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-24 10:48:07,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-24 10:48:07,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-24 10:48:07,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 10:48:07,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-24 10:48:07,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-24 10:48:07,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-24 10:48:07,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-24 10:48:07,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-24 10:48:07,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-24 10:48:07,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-24 10:48:07,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-10-24 10:48:07,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-24 10:48:07,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-10-24 10:48:07,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-10-24 10:48:07,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-10-24 10:48:07,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-10-24 10:48:07,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-10-24 10:48:07,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2024-10-24 10:48:07,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2024-10-24 10:48:07,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-10-24 10:48:07,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2024-10-24 10:48:07,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2024-10-24 10:48:07,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-10-24 10:48:07,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-10-24 10:48:07,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2024-10-24 10:48:07,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2024-10-24 10:48:07,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2024-10-24 10:48:07,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2024-10-24 10:48:07,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:07,629 INFO L134 CoverageAnalysis]: Checked inductivity of 8844 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8844 trivial. 0 not checked. [2024-10-24 10:48:07,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:48:07,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511329322] [2024-10-24 10:48:07,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511329322] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:48:07,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:48:07,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 10:48:07,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238594426] [2024-10-24 10:48:07,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:48:07,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 10:48:07,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:48:07,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 10:48:07,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-10-24 10:48:07,633 INFO L87 Difference]: Start difference. First operand 20247 states and 32804 transitions. Second operand has 8 states, 8 states have (on average 16.0) internal successors, (128), 8 states have internal predecessors, (128), 2 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) [2024-10-24 10:48:10,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:48:10,169 INFO L93 Difference]: Finished difference Result 62068 states and 99677 transitions. [2024-10-24 10:48:10,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 10:48:10,170 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.0) internal successors, (128), 8 states have internal predecessors, (128), 2 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) Word has length 460 [2024-10-24 10:48:10,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:48:10,359 INFO L225 Difference]: With dead ends: 62068 [2024-10-24 10:48:10,360 INFO L226 Difference]: Without dead ends: 41822 [2024-10-24 10:48:10,446 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2024-10-24 10:48:10,448 INFO L432 NwaCegarLoop]: 617 mSDtfsCounter, 1705 mSDsluCounter, 2255 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1705 SdHoareTripleChecker+Valid, 2872 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-24 10:48:10,449 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1705 Valid, 2872 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 543 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-24 10:48:10,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41822 states. [2024-10-24 10:48:12,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41822 to 24457. [2024-10-24 10:48:12,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24457 states, 20376 states have (on average 1.5624263839811543) internal successors, (31836), 20376 states have internal predecessors, (31836), 4020 states have call successors, (4020), 60 states have call predecessors, (4020), 60 states have return successors, (4020), 4020 states have call predecessors, (4020), 4020 states have call successors, (4020) [2024-10-24 10:48:12,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24457 states to 24457 states and 39876 transitions. [2024-10-24 10:48:12,998 INFO L78 Accepts]: Start accepts. Automaton has 24457 states and 39876 transitions. Word has length 460 [2024-10-24 10:48:12,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:48:12,999 INFO L471 AbstractCegarLoop]: Abstraction has 24457 states and 39876 transitions. [2024-10-24 10:48:13,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.0) internal successors, (128), 8 states have internal predecessors, (128), 2 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) [2024-10-24 10:48:13,000 INFO L276 IsEmpty]: Start isEmpty. Operand 24457 states and 39876 transitions. [2024-10-24 10:48:13,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 461 [2024-10-24 10:48:13,018 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:48:13,018 INFO L215 NwaCegarLoop]: trace histogram [67, 67, 67, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:48:13,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 10:48:13,019 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:48:13,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:48:13,020 INFO L85 PathProgramCache]: Analyzing trace with hash -924671269, now seen corresponding path program 1 times [2024-10-24 10:48:13,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:48:13,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394883256] [2024-10-24 10:48:13,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:13,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:48:14,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:48:22,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:48:22,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:48:22,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:48:22,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:48:22,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 10:48:22,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 10:48:22,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 10:48:22,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 10:48:22,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 10:48:22,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 10:48:22,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 10:48:22,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 10:48:22,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 10:48:22,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 10:48:22,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 10:48:22,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:48:22,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 10:48:22,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 10:48:22,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 10:48:22,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 10:48:22,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 10:48:22,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 10:48:22,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 10:48:22,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:48:22,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:48:22,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 10:48:22,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 10:48:22,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-24 10:48:22,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:48:22,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 10:48:22,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:48:22,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 10:48:22,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-24 10:48:22,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-24 10:48:22,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 10:48:22,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-24 10:48:22,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-24 10:48:22,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-24 10:48:22,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-24 10:48:22,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-24 10:48:22,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 10:48:22,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-24 10:48:22,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-24 10:48:22,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-24 10:48:22,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-24 10:48:22,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-24 10:48:22,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-24 10:48:22,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-24 10:48:22,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-10-24 10:48:22,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-24 10:48:22,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-10-24 10:48:22,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-10-24 10:48:22,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-10-24 10:48:22,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-10-24 10:48:22,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-10-24 10:48:22,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2024-10-24 10:48:22,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2024-10-24 10:48:22,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-10-24 10:48:22,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2024-10-24 10:48:22,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2024-10-24 10:48:22,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-10-24 10:48:22,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-10-24 10:48:22,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2024-10-24 10:48:22,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2024-10-24 10:48:22,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2024-10-24 10:48:22,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2024-10-24 10:48:22,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:22,799 INFO L134 CoverageAnalysis]: Checked inductivity of 8844 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8844 trivial. 0 not checked. [2024-10-24 10:48:22,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:48:22,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394883256] [2024-10-24 10:48:22,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394883256] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:48:22,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:48:22,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 10:48:22,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256910760] [2024-10-24 10:48:22,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:48:22,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 10:48:22,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:48:22,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 10:48:22,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 10:48:22,803 INFO L87 Difference]: Start difference. First operand 24457 states and 39876 transitions. Second operand has 5 states, 5 states have (on average 25.6) internal successors, (128), 5 states have internal predecessors, (128), 1 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 1 states have call predecessors, (67), 1 states have call successors, (67) [2024-10-24 10:48:25,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:48:25,085 INFO L93 Difference]: Finished difference Result 78225 states and 127091 transitions. [2024-10-24 10:48:25,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 10:48:25,086 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 5 states have internal predecessors, (128), 1 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 1 states have call predecessors, (67), 1 states have call successors, (67) Word has length 460 [2024-10-24 10:48:25,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:48:25,344 INFO L225 Difference]: With dead ends: 78225 [2024-10-24 10:48:25,345 INFO L226 Difference]: Without dead ends: 53769 [2024-10-24 10:48:25,434 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-24 10:48:25,435 INFO L432 NwaCegarLoop]: 559 mSDtfsCounter, 608 mSDsluCounter, 1111 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 608 SdHoareTripleChecker+Valid, 1670 SdHoareTripleChecker+Invalid, 599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-24 10:48:25,436 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [608 Valid, 1670 Invalid, 599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 586 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-24 10:48:25,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53769 states. [2024-10-24 10:48:28,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53769 to 49865. [2024-10-24 10:48:28,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49865 states, 41704 states have (on average 1.5553424131977749) internal successors, (64864), 41704 states have internal predecessors, (64864), 8040 states have call successors, (8040), 120 states have call predecessors, (8040), 120 states have return successors, (8040), 8040 states have call predecessors, (8040), 8040 states have call successors, (8040) [2024-10-24 10:48:28,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49865 states to 49865 states and 80944 transitions. [2024-10-24 10:48:28,419 INFO L78 Accepts]: Start accepts. Automaton has 49865 states and 80944 transitions. Word has length 460 [2024-10-24 10:48:28,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:48:28,421 INFO L471 AbstractCegarLoop]: Abstraction has 49865 states and 80944 transitions. [2024-10-24 10:48:28,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 25.6) internal successors, (128), 5 states have internal predecessors, (128), 1 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 1 states have call predecessors, (67), 1 states have call successors, (67) [2024-10-24 10:48:28,421 INFO L276 IsEmpty]: Start isEmpty. Operand 49865 states and 80944 transitions. [2024-10-24 10:48:28,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 462 [2024-10-24 10:48:28,449 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:48:28,449 INFO L215 NwaCegarLoop]: trace histogram [67, 67, 67, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:48:28,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 10:48:28,449 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:48:28,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:48:28,450 INFO L85 PathProgramCache]: Analyzing trace with hash -92398412, now seen corresponding path program 1 times [2024-10-24 10:48:28,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:48:28,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656976344] [2024-10-24 10:48:28,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:28,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:48:28,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-24 10:48:29,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 10:48:29,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 10:48:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-24 10:48:29,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 10:48:29,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 10:48:29,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 10:48:29,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 10:48:29,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-10-24 10:48:29,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-24 10:48:29,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-10-24 10:48:29,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-10-24 10:48:29,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-24 10:48:29,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-24 10:48:29,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-24 10:48:29,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-24 10:48:29,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-24 10:48:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-10-24 10:48:29,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-24 10:48:29,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-24 10:48:29,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-24 10:48:29,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-24 10:48:29,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-24 10:48:29,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-24 10:48:29,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-24 10:48:29,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-24 10:48:29,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-10-24 10:48:29,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-24 10:48:29,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-24 10:48:29,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-24 10:48:29,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-24 10:48:29,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-24 10:48:29,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-24 10:48:29,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-24 10:48:29,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-10-24 10:48:29,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-10-24 10:48:29,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-10-24 10:48:29,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-10-24 10:48:29,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-24 10:48:29,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-24 10:48:29,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-24 10:48:29,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-10-24 10:48:29,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2024-10-24 10:48:29,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2024-10-24 10:48:29,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-10-24 10:48:29,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2024-10-24 10:48:29,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-10-24 10:48:29,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-10-24 10:48:29,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2024-10-24 10:48:29,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2024-10-24 10:48:29,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2024-10-24 10:48:29,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2024-10-24 10:48:29,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2024-10-24 10:48:29,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-10-24 10:48:29,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-10-24 10:48:29,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-10-24 10:48:29,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2024-10-24 10:48:29,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2024-10-24 10:48:29,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-10-24 10:48:29,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2024-10-24 10:48:29,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2024-10-24 10:48:29,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2024-10-24 10:48:29,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2024-10-24 10:48:29,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2024-10-24 10:48:29,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2024-10-24 10:48:29,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2024-10-24 10:48:29,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2024-10-24 10:48:29,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 10:48:29,419 INFO L134 CoverageAnalysis]: Checked inductivity of 8844 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8844 trivial. 0 not checked. [2024-10-24 10:48:29,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 10:48:29,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656976344] [2024-10-24 10:48:29,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656976344] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 10:48:29,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 10:48:29,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 10:48:29,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940292101] [2024-10-24 10:48:29,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 10:48:29,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 10:48:29,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 10:48:29,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 10:48:29,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 10:48:29,422 INFO L87 Difference]: Start difference. First operand 49865 states and 80944 transitions. Second operand has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 1 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 1 states have call predecessors, (67), 1 states have call successors, (67) [2024-10-24 10:48:32,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 10:48:32,409 INFO L93 Difference]: Finished difference Result 124174 states and 201075 transitions. [2024-10-24 10:48:32,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 10:48:32,410 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 1 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 1 states have call predecessors, (67), 1 states have call successors, (67) Word has length 461 [2024-10-24 10:48:32,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 10:48:32,912 INFO L225 Difference]: With dead ends: 124174 [2024-10-24 10:48:32,912 INFO L226 Difference]: Without dead ends: 74310 [2024-10-24 10:48:33,011 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 10:48:33,012 INFO L432 NwaCegarLoop]: 891 mSDtfsCounter, 876 mSDsluCounter, 856 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 876 SdHoareTripleChecker+Valid, 1747 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-24 10:48:33,012 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [876 Valid, 1747 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-24 10:48:33,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74310 states. [2024-10-24 10:48:37,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74310 to 74246. [2024-10-24 10:48:37,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74246 states, 62485 states have (on average 1.5499719932783869) internal successors, (96850), 62545 states have internal predecessors, (96850), 11520 states have call successors, (11520), 240 states have call predecessors, (11520), 240 states have return successors, (11520), 11460 states have call predecessors, (11520), 11520 states have call successors, (11520) [2024-10-24 10:48:37,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74246 states to 74246 states and 119890 transitions. [2024-10-24 10:48:37,958 INFO L78 Accepts]: Start accepts. Automaton has 74246 states and 119890 transitions. Word has length 461 [2024-10-24 10:48:37,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 10:48:37,960 INFO L471 AbstractCegarLoop]: Abstraction has 74246 states and 119890 transitions. [2024-10-24 10:48:37,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.25) internal successors, (129), 4 states have internal predecessors, (129), 1 states have call successors, (67), 1 states have call predecessors, (67), 1 states have return successors, (67), 1 states have call predecessors, (67), 1 states have call successors, (67) [2024-10-24 10:48:37,960 INFO L276 IsEmpty]: Start isEmpty. Operand 74246 states and 119890 transitions. [2024-10-24 10:48:38,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 462 [2024-10-24 10:48:38,001 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 10:48:38,002 INFO L215 NwaCegarLoop]: trace histogram [67, 67, 67, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 10:48:38,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 10:48:38,002 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-24 10:48:38,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 10:48:38,003 INFO L85 PathProgramCache]: Analyzing trace with hash 391026920, now seen corresponding path program 1 times [2024-10-24 10:48:38,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 10:48:38,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782938219] [2024-10-24 10:48:38,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 10:48:38,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 10:48:39,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat