./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-6.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 b1b5e238bcd4ee535bf9e96af21caceeb3a2a173bd89e8e32df2f3ba7f05dd4a --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 08:45:38,040 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 08:45:38,090 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 08:45:38,097 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 08:45:38,098 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 08:45:38,123 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 08:45:38,124 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 08:45:38,124 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 08:45:38,125 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 08:45:38,129 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 08:45:38,129 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 08:45:38,129 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 08:45:38,130 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 08:45:38,130 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 08:45:38,130 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 08:45:38,131 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 08:45:38,131 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 08:45:38,131 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 08:45:38,133 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 08:45:38,134 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 08:45:38,134 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 08:45:38,134 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 08:45:38,135 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 08:45:38,135 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 08:45:38,135 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 08:45:38,135 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 08:45:38,136 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 08:45:38,136 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 08:45:38,136 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 08:45:38,136 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 08:45:38,137 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 08:45:38,137 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 08:45:38,137 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 08:45:38,137 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 08:45:38,138 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 08:45:38,138 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 08:45:38,138 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 08:45:38,139 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 08:45:38,139 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 08:45:38,140 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 08:45:38,140 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 08:45:38,141 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 08:45:38,141 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1b5e238bcd4ee535bf9e96af21caceeb3a2a173bd89e8e32df2f3ba7f05dd4a [2024-11-10 08:45:38,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 08:45:38,444 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 08:45:38,447 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 08:45:38,448 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 08:45:38,449 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 08:45:38,450 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-6.i [2024-11-10 08:45:39,924 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 08:45:40,239 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 08:45:40,240 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-6.i [2024-11-10 08:45:40,262 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7e68a900/b5c43c790d9a430a8952d2f478f041a5/FLAG38777fc0d [2024-11-10 08:45:40,280 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7e68a900/b5c43c790d9a430a8952d2f478f041a5 [2024-11-10 08:45:40,284 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 08:45:40,285 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 08:45:40,287 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 08:45:40,287 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 08:45:40,293 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 08:45:40,294 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:45:40" (1/1) ... [2024-11-10 08:45:40,295 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@149a138a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:45:40, skipping insertion in model container [2024-11-10 08:45:40,295 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:45:40" (1/1) ... [2024-11-10 08:45:40,359 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 08:45:40,551 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-6.i[915,928] [2024-11-10 08:45:40,822 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 08:45:40,851 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 08:45:40,867 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount500_file-6.i[915,928] [2024-11-10 08:45:41,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 08:45:41,037 INFO L204 MainTranslator]: Completed translation [2024-11-10 08:45:41,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:45:41 WrapperNode [2024-11-10 08:45:41,037 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 08:45:41,039 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 08:45:41,039 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 08:45:41,039 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 08:45:41,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:45:41" (1/1) ... [2024-11-10 08:45:41,076 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:45:41" (1/1) ... [2024-11-10 08:45:41,187 INFO L138 Inliner]: procedures = 26, calls = 70, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 628 [2024-11-10 08:45:41,188 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 08:45:41,189 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 08:45:41,189 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 08:45:41,189 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 08:45:41,202 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:45:41" (1/1) ... [2024-11-10 08:45:41,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:45:41" (1/1) ... [2024-11-10 08:45:41,230 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:45:41" (1/1) ... [2024-11-10 08:45:41,286 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 08:45:41,286 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:45:41" (1/1) ... [2024-11-10 08:45:41,287 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:45:41" (1/1) ... [2024-11-10 08:45:41,323 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:45:41" (1/1) ... [2024-11-10 08:45:41,327 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:45:41" (1/1) ... [2024-11-10 08:45:41,339 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:45:41" (1/1) ... [2024-11-10 08:45:41,350 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:45:41" (1/1) ... [2024-11-10 08:45:41,394 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 08:45:41,396 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 08:45:41,396 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 08:45:41,396 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 08:45:41,397 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:45:41" (1/1) ... [2024-11-10 08:45:41,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 08:45:41,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 08:45:41,437 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 08:45:41,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 08:45:41,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 08:45:41,514 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 08:45:41,514 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 08:45:41,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 08:45:41,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 08:45:41,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 08:45:41,770 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 08:45:41,772 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 08:45:42,709 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L632: havoc property_#t~ite41#1;havoc property_#t~bitwise40#1;havoc property_#t~short42#1;havoc property_#t~bitwise43#1;havoc property_#t~bitwise44#1;havoc property_#t~short45#1; [2024-11-10 08:45:42,842 INFO L? ?]: Removed 71 outVars from TransFormulas that were not future-live. [2024-11-10 08:45:42,843 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 08:45:42,878 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 08:45:42,879 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 08:45:42,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 08:45:42 BoogieIcfgContainer [2024-11-10 08:45:42,881 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 08:45:42,885 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 08:45:42,885 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 08:45:42,889 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 08:45:42,889 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 08:45:40" (1/3) ... [2024-11-10 08:45:42,890 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c5cecdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 08:45:42, skipping insertion in model container [2024-11-10 08:45:42,891 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:45:41" (2/3) ... [2024-11-10 08:45:42,892 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c5cecdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 08:45:42, skipping insertion in model container [2024-11-10 08:45:42,892 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 08:45:42" (3/3) ... [2024-11-10 08:45:42,894 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount500_file-6.i [2024-11-10 08:45:42,915 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 08:45:42,917 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 08:45:42,988 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 08:45:42,994 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;@78a95289, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 08:45:42,994 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 08:45:43,000 INFO L276 IsEmpty]: Start isEmpty. Operand has 240 states, 180 states have (on average 1.5666666666666667) internal successors, (282), 181 states have internal predecessors, (282), 57 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-10 08:45:43,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2024-11-10 08:45:43,025 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:45:43,028 INFO L215 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:45:43,029 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:45:43,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:45:43,036 INFO L85 PathProgramCache]: Analyzing trace with hash 953348061, now seen corresponding path program 1 times [2024-11-10 08:45:43,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:45:43,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857201587] [2024-11-10 08:45:43,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:45:43,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:45:43,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:43,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:45:43,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:43,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:45:43,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:43,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:45:43,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:43,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 08:45:43,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:43,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 08:45:43,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:43,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 08:45:43,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:43,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 08:45:43,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:43,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 08:45:43,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:43,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 08:45:43,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:43,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 08:45:43,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:43,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 08:45:43,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:43,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 08:45:43,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:43,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 08:45:43,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:43,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 08:45:43,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:43,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 08:45:43,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:43,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 08:45:43,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:43,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 08:45:43,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:43,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 08:45:43,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:43,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 08:45:43,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:43,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 08:45:43,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:43,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 08:45:43,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:43,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 08:45:43,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:43,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 08:45:43,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:43,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-10 08:45:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:43,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 08:45:43,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:43,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-10 08:45:43,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:43,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 08:45:43,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:43,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-10 08:45:43,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:43,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-10 08:45:43,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:43,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-10 08:45:43,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:43,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-10 08:45:43,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:43,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-10 08:45:43,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:43,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-10 08:45:43,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:43,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-10 08:45:43,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:43,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-10 08:45:43,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:43,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-10 08:45:43,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-10 08:45:44,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-10 08:45:44,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-10 08:45:44,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-10 08:45:44,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-10 08:45:44,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-10 08:45:44,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-10 08:45:44,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-10 08:45:44,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-10 08:45:44,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-10 08:45:44,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-10 08:45:44,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-10 08:45:44,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-10 08:45:44,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-10 08:45:44,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-11-10 08:45:44,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-11-10 08:45:44,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-11-10 08:45:44,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-11-10 08:45:44,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-10 08:45:44,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-10 08:45:44,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-11-10 08:45:44,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,132 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2024-11-10 08:45:44,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:45:44,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857201587] [2024-11-10 08:45:44,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857201587] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:45:44,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:45:44,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 08:45:44,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606632404] [2024-11-10 08:45:44,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:45:44,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 08:45:44,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:45:44,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 08:45:44,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 08:45:44,178 INFO L87 Difference]: Start difference. First operand has 240 states, 180 states have (on average 1.5666666666666667) internal successors, (282), 181 states have internal predecessors, (282), 57 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) Second operand has 2 states, 2 states have (on average 64.0) internal successors, (128), 2 states have internal predecessors, (128), 2 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 2 states have call successors, (57) [2024-11-10 08:45:44,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:45:44,261 INFO L93 Difference]: Finished difference Result 471 states and 840 transitions. [2024-11-10 08:45:44,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 08:45:44,264 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 64.0) internal successors, (128), 2 states have internal predecessors, (128), 2 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 2 states have call successors, (57) Word has length 410 [2024-11-10 08:45:44,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:45:44,277 INFO L225 Difference]: With dead ends: 471 [2024-11-10 08:45:44,278 INFO L226 Difference]: Without dead ends: 234 [2024-11-10 08:45:44,286 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 08:45:44,291 INFO L432 NwaCegarLoop]: 379 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 08:45:44,293 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 379 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 08:45:44,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2024-11-10 08:45:44,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 234. [2024-11-10 08:45:44,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 175 states have (on average 1.5485714285714285) internal successors, (271), 175 states have internal predecessors, (271), 57 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-10 08:45:44,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 385 transitions. [2024-11-10 08:45:44,375 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 385 transitions. Word has length 410 [2024-11-10 08:45:44,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:45:44,376 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 385 transitions. [2024-11-10 08:45:44,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 64.0) internal successors, (128), 2 states have internal predecessors, (128), 2 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 2 states have call successors, (57) [2024-11-10 08:45:44,377 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 385 transitions. [2024-11-10 08:45:44,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2024-11-10 08:45:44,389 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:45:44,390 INFO L215 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:45:44,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 08:45:44,390 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:45:44,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:45:44,391 INFO L85 PathProgramCache]: Analyzing trace with hash 1374589606, now seen corresponding path program 1 times [2024-11-10 08:45:44,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:45:44,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680633785] [2024-11-10 08:45:44,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:45:44,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:45:44,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:45:44,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:45:44,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:45:44,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 08:45:44,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 08:45:44,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 08:45:44,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 08:45:44,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 08:45:44,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 08:45:44,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 08:45:44,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 08:45:44,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 08:45:44,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 08:45:44,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 08:45:44,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 08:45:44,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 08:45:44,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 08:45:44,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 08:45:44,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 08:45:44,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 08:45:44,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 08:45:44,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 08:45:44,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 08:45:44,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-10 08:45:44,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 08:45:44,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-10 08:45:44,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 08:45:44,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-10 08:45:44,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-10 08:45:44,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-10 08:45:44,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-10 08:45:44,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-10 08:45:44,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-10 08:45:44,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-10 08:45:44,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-10 08:45:44,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-10 08:45:44,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-10 08:45:44,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-10 08:45:44,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:44,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-10 08:45:45,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-10 08:45:45,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-10 08:45:45,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-10 08:45:45,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-10 08:45:45,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-10 08:45:45,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-10 08:45:45,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-10 08:45:45,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-10 08:45:45,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-10 08:45:45,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-10 08:45:45,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-10 08:45:45,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-11-10 08:45:45,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-11-10 08:45:45,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-11-10 08:45:45,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-11-10 08:45:45,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-10 08:45:45,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-10 08:45:45,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-11-10 08:45:45,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,072 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2024-11-10 08:45:45,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:45:45,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680633785] [2024-11-10 08:45:45,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680633785] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:45:45,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:45:45,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 08:45:45,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561389631] [2024-11-10 08:45:45,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:45:45,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 08:45:45,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:45:45,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 08:45:45,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 08:45:45,081 INFO L87 Difference]: Start difference. First operand 234 states and 385 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-10 08:45:45,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:45:45,237 INFO L93 Difference]: Finished difference Result 694 states and 1145 transitions. [2024-11-10 08:45:45,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 08:45:45,238 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) Word has length 410 [2024-11-10 08:45:45,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:45:45,245 INFO L225 Difference]: With dead ends: 694 [2024-11-10 08:45:45,247 INFO L226 Difference]: Without dead ends: 463 [2024-11-10 08:45:45,248 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 08:45:45,250 INFO L432 NwaCegarLoop]: 444 mSDtfsCounter, 376 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 376 SdHoareTripleChecker+Valid, 801 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 08:45:45,251 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [376 Valid, 801 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 08:45:45,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2024-11-10 08:45:45,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 254. [2024-11-10 08:45:45,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 195 states have (on average 1.558974358974359) internal successors, (304), 195 states have internal predecessors, (304), 57 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-10 08:45:45,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 418 transitions. [2024-11-10 08:45:45,290 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 418 transitions. Word has length 410 [2024-11-10 08:45:45,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:45:45,292 INFO L471 AbstractCegarLoop]: Abstraction has 254 states and 418 transitions. [2024-11-10 08:45:45,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-10 08:45:45,292 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 418 transitions. [2024-11-10 08:45:45,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2024-11-10 08:45:45,299 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:45:45,299 INFO L215 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:45:45,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 08:45:45,300 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:45:45,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:45:45,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1723792774, now seen corresponding path program 1 times [2024-11-10 08:45:45,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:45:45,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100039244] [2024-11-10 08:45:45,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:45:45,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:45:45,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:45:45,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:45:45,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:45:45,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 08:45:45,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 08:45:45,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 08:45:45,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 08:45:45,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 08:45:45,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 08:45:45,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 08:45:45,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 08:45:45,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 08:45:45,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 08:45:45,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 08:45:45,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 08:45:45,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 08:45:45,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 08:45:45,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 08:45:45,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 08:45:45,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 08:45:45,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 08:45:45,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 08:45:45,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 08:45:45,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-10 08:45:45,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 08:45:45,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-10 08:45:45,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 08:45:45,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-10 08:45:45,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-10 08:45:45,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-10 08:45:45,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-10 08:45:45,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-10 08:45:45,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-10 08:45:45,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-10 08:45:45,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-10 08:45:45,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-10 08:45:45,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-10 08:45:45,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-10 08:45:45,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-10 08:45:45,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-10 08:45:45,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-10 08:45:45,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-10 08:45:45,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-10 08:45:45,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-10 08:45:45,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-10 08:45:45,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-10 08:45:45,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-10 08:45:45,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-10 08:45:45,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-10 08:45:45,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-10 08:45:45,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-11-10 08:45:45,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-11-10 08:45:45,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-11-10 08:45:45,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-11-10 08:45:45,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-10 08:45:45,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-10 08:45:45,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-11-10 08:45:45,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:45,781 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2024-11-10 08:45:45,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:45:45,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100039244] [2024-11-10 08:45:45,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100039244] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:45:45,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:45:45,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 08:45:45,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270099423] [2024-11-10 08:45:45,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:45:45,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 08:45:45,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:45:45,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 08:45:45,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 08:45:45,785 INFO L87 Difference]: Start difference. First operand 254 states and 418 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-10 08:45:45,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:45:45,886 INFO L93 Difference]: Finished difference Result 718 states and 1182 transitions. [2024-11-10 08:45:45,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 08:45:45,889 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) Word has length 410 [2024-11-10 08:45:45,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:45:45,895 INFO L225 Difference]: With dead ends: 718 [2024-11-10 08:45:45,897 INFO L226 Difference]: Without dead ends: 467 [2024-11-10 08:45:45,898 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 08:45:45,899 INFO L432 NwaCegarLoop]: 475 mSDtfsCounter, 275 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 830 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 08:45:45,902 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 830 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 08:45:45,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2024-11-10 08:45:45,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 463. [2024-11-10 08:45:45,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 463 states, 364 states have (on average 1.5604395604395604) internal successors, (568), 365 states have internal predecessors, (568), 96 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (96), 95 states have call predecessors, (96), 96 states have call successors, (96) [2024-11-10 08:45:45,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 760 transitions. [2024-11-10 08:45:45,947 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 760 transitions. Word has length 410 [2024-11-10 08:45:45,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:45:45,950 INFO L471 AbstractCegarLoop]: Abstraction has 463 states and 760 transitions. [2024-11-10 08:45:45,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-10 08:45:45,951 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 760 transitions. [2024-11-10 08:45:45,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2024-11-10 08:45:45,959 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:45:45,959 INFO L215 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:45:45,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 08:45:45,959 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:45:45,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:45:45,960 INFO L85 PathProgramCache]: Analyzing trace with hash 398138500, now seen corresponding path program 1 times [2024-11-10 08:45:45,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:45:45,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388737928] [2024-11-10 08:45:45,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:45:45,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:45:46,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:45:46,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:45:46,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:45:46,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 08:45:46,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 08:45:46,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 08:45:46,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 08:45:46,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 08:45:46,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 08:45:46,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 08:45:46,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 08:45:46,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 08:45:46,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 08:45:46,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 08:45:46,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 08:45:46,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 08:45:46,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 08:45:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 08:45:46,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 08:45:46,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 08:45:46,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 08:45:46,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 08:45:46,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 08:45:46,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-10 08:45:46,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 08:45:46,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-10 08:45:46,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 08:45:46,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-10 08:45:46,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-10 08:45:46,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-10 08:45:46,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-10 08:45:46,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-10 08:45:46,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-10 08:45:46,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-10 08:45:46,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-10 08:45:46,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-10 08:45:46,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-10 08:45:46,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-10 08:45:46,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-10 08:45:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-10 08:45:46,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-10 08:45:46,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-10 08:45:46,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-10 08:45:46,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-10 08:45:46,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-10 08:45:46,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-10 08:45:46,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-10 08:45:46,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-10 08:45:46,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-10 08:45:46,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-10 08:45:46,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-11-10 08:45:46,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-11-10 08:45:46,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-11-10 08:45:46,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-11-10 08:45:46,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-10 08:45:46,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-10 08:45:46,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-11-10 08:45:46,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:46,494 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2024-11-10 08:45:46,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:45:46,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388737928] [2024-11-10 08:45:46,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388737928] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:45:46,494 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:45:46,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 08:45:46,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780247829] [2024-11-10 08:45:46,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:45:46,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 08:45:46,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:45:46,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 08:45:46,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 08:45:46,497 INFO L87 Difference]: Start difference. First operand 463 states and 760 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-10 08:45:46,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:45:46,639 INFO L93 Difference]: Finished difference Result 1369 states and 2246 transitions. [2024-11-10 08:45:46,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 08:45:46,641 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) Word has length 410 [2024-11-10 08:45:46,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:45:46,652 INFO L225 Difference]: With dead ends: 1369 [2024-11-10 08:45:46,652 INFO L226 Difference]: Without dead ends: 909 [2024-11-10 08:45:46,656 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 08:45:46,658 INFO L432 NwaCegarLoop]: 363 mSDtfsCounter, 327 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 710 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 08:45:46,659 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 710 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 08:45:46,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 909 states. [2024-11-10 08:45:46,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 909 to 906. [2024-11-10 08:45:46,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 906 states, 709 states have (on average 1.530324400564175) internal successors, (1085), 711 states have internal predecessors, (1085), 192 states have call successors, (192), 4 states have call predecessors, (192), 4 states have return successors, (192), 190 states have call predecessors, (192), 192 states have call successors, (192) [2024-11-10 08:45:46,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1469 transitions. [2024-11-10 08:45:46,783 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1469 transitions. Word has length 410 [2024-11-10 08:45:46,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:45:46,784 INFO L471 AbstractCegarLoop]: Abstraction has 906 states and 1469 transitions. [2024-11-10 08:45:46,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-10 08:45:46,785 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1469 transitions. [2024-11-10 08:45:46,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2024-11-10 08:45:46,794 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:45:46,794 INFO L215 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:45:46,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 08:45:46,795 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:45:46,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:45:46,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1053078150, now seen corresponding path program 1 times [2024-11-10 08:45:46,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:45:46,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030498567] [2024-11-10 08:45:46,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:45:46,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:45:47,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:47,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:45:47,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:47,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:45:47,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:47,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:45:47,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:47,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 08:45:47,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:47,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 08:45:47,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:47,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 08:45:47,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:47,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 08:45:47,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:47,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 08:45:47,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:47,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 08:45:47,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:47,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 08:45:47,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:47,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 08:45:47,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:47,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 08:45:47,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:47,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 08:45:47,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:47,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 08:45:47,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:47,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 08:45:47,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:47,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 08:45:47,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:47,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 08:45:47,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:47,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 08:45:47,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:47,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 08:45:47,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:47,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 08:45:47,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:47,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 08:45:47,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:47,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 08:45:47,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:47,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 08:45:47,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:47,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-10 08:45:47,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:47,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 08:45:47,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:47,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-10 08:45:47,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:47,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 08:45:47,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:47,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-10 08:45:47,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:47,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-10 08:45:47,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:47,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-10 08:45:47,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:47,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-10 08:45:47,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:47,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-10 08:45:47,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:47,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-10 08:45:47,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:47,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-10 08:45:47,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:47,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-10 08:45:47,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:47,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-10 08:45:47,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:47,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-10 08:45:47,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:47,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-10 08:45:47,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:47,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-10 08:45:47,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:47,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-10 08:45:47,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:47,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-10 08:45:47,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:47,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-10 08:45:47,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:47,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-10 08:45:47,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:47,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-10 08:45:47,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:47,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-10 08:45:47,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:47,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-10 08:45:47,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:47,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-10 08:45:47,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:47,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-10 08:45:47,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:47,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-10 08:45:47,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:47,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-10 08:45:47,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:47,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-11-10 08:45:48,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:48,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-11-10 08:45:48,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:48,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-11-10 08:45:48,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:48,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-11-10 08:45:48,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:48,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-10 08:45:48,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:48,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-10 08:45:48,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:48,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-11-10 08:45:48,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:48,064 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2024-11-10 08:45:48,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:45:48,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030498567] [2024-11-10 08:45:48,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030498567] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:45:48,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:45:48,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 08:45:48,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297102851] [2024-11-10 08:45:48,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:45:48,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 08:45:48,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:45:48,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 08:45:48,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 08:45:48,070 INFO L87 Difference]: Start difference. First operand 906 states and 1469 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, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-10 08:45:48,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:45:48,461 INFO L93 Difference]: Finished difference Result 2458 states and 3986 transitions. [2024-11-10 08:45:48,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 08:45:48,462 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, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) Word has length 410 [2024-11-10 08:45:48,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:45:48,471 INFO L225 Difference]: With dead ends: 2458 [2024-11-10 08:45:48,472 INFO L226 Difference]: Without dead ends: 1555 [2024-11-10 08:45:48,475 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-10 08:45:48,476 INFO L432 NwaCegarLoop]: 375 mSDtfsCounter, 319 mSDsluCounter, 1111 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 319 SdHoareTripleChecker+Valid, 1486 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 08:45:48,476 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [319 Valid, 1486 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 08:45:48,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1555 states. [2024-11-10 08:45:48,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1555 to 1011. [2024-11-10 08:45:48,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1011 states, 755 states have (on average 1.5006622516556292) internal successors, (1133), 757 states have internal predecessors, (1133), 249 states have call successors, (249), 6 states have call predecessors, (249), 6 states have return successors, (249), 247 states have call predecessors, (249), 249 states have call successors, (249) [2024-11-10 08:45:48,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 1011 states and 1631 transitions. [2024-11-10 08:45:48,553 INFO L78 Accepts]: Start accepts. Automaton has 1011 states and 1631 transitions. Word has length 410 [2024-11-10 08:45:48,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:45:48,553 INFO L471 AbstractCegarLoop]: Abstraction has 1011 states and 1631 transitions. [2024-11-10 08:45:48,554 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, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-10 08:45:48,554 INFO L276 IsEmpty]: Start isEmpty. Operand 1011 states and 1631 transitions. [2024-11-10 08:45:48,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2024-11-10 08:45:48,557 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:45:48,557 INFO L215 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:45:48,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 08:45:48,558 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:45:48,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:45:48,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1756814510, now seen corresponding path program 1 times [2024-11-10 08:45:48,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:45:48,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138661748] [2024-11-10 08:45:48,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:45:48,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:45:48,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:45:49,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:45:49,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:45:49,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 08:45:49,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 08:45:49,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 08:45:49,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 08:45:49,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 08:45:49,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 08:45:49,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 08:45:49,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 08:45:49,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 08:45:49,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 08:45:49,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 08:45:49,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 08:45:49,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 08:45:49,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 08:45:49,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 08:45:49,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 08:45:49,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 08:45:49,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 08:45:49,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 08:45:49,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 08:45:49,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-10 08:45:49,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 08:45:49,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-10 08:45:49,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 08:45:49,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-10 08:45:49,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-10 08:45:49,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-10 08:45:49,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-10 08:45:49,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-10 08:45:49,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-10 08:45:49,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-10 08:45:49,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-10 08:45:49,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-10 08:45:49,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-10 08:45:49,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-10 08:45:49,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-10 08:45:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-10 08:45:49,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-10 08:45:49,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-10 08:45:49,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-10 08:45:49,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-10 08:45:49,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-10 08:45:49,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-10 08:45:49,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-10 08:45:49,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-10 08:45:49,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-10 08:45:49,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-10 08:45:49,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-11-10 08:45:49,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-11-10 08:45:49,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-11-10 08:45:49,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-11-10 08:45:49,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-10 08:45:49,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-10 08:45:49,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-11-10 08:45:49,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:49,893 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2024-11-10 08:45:49,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:45:49,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138661748] [2024-11-10 08:45:49,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138661748] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:45:49,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:45:49,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 08:45:49,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385145738] [2024-11-10 08:45:49,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:45:49,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 08:45:49,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:45:49,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 08:45:49,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 08:45:49,897 INFO L87 Difference]: Start difference. First operand 1011 states and 1631 transitions. Second operand has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-10 08:45:50,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:45:50,092 INFO L93 Difference]: Finished difference Result 2727 states and 4419 transitions. [2024-11-10 08:45:50,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 08:45:50,093 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) Word has length 411 [2024-11-10 08:45:50,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:45:50,107 INFO L225 Difference]: With dead ends: 2727 [2024-11-10 08:45:50,107 INFO L226 Difference]: Without dead ends: 1824 [2024-11-10 08:45:50,114 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 08:45:50,114 INFO L432 NwaCegarLoop]: 536 mSDtfsCounter, 264 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 895 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 08:45:50,115 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 895 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 08:45:50,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1824 states. [2024-11-10 08:45:50,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1824 to 1789. [2024-11-10 08:45:50,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1789 states, 1337 states have (on average 1.492894540014959) internal successors, (1996), 1341 states have internal predecessors, (1996), 441 states have call successors, (441), 10 states have call predecessors, (441), 10 states have return successors, (441), 437 states have call predecessors, (441), 441 states have call successors, (441) [2024-11-10 08:45:50,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1789 states to 1789 states and 2878 transitions. [2024-11-10 08:45:50,266 INFO L78 Accepts]: Start accepts. Automaton has 1789 states and 2878 transitions. Word has length 411 [2024-11-10 08:45:50,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:45:50,268 INFO L471 AbstractCegarLoop]: Abstraction has 1789 states and 2878 transitions. [2024-11-10 08:45:50,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.0) internal successors, (129), 3 states have internal predecessors, (129), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-10 08:45:50,268 INFO L276 IsEmpty]: Start isEmpty. Operand 1789 states and 2878 transitions. [2024-11-10 08:45:50,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2024-11-10 08:45:50,272 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:45:50,272 INFO L215 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:45:50,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 08:45:50,273 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:45:50,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:45:50,273 INFO L85 PathProgramCache]: Analyzing trace with hash 2108510287, now seen corresponding path program 1 times [2024-11-10 08:45:50,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:45:50,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674867716] [2024-11-10 08:45:50,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:45:50,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:45:50,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:50,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:45:50,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:45:51,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:45:51,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 08:45:51,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 08:45:51,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 08:45:51,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 08:45:51,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 08:45:51,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 08:45:51,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 08:45:51,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 08:45:51,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 08:45:51,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 08:45:51,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 08:45:51,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 08:45:51,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 08:45:51,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 08:45:51,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 08:45:51,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 08:45:51,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 08:45:51,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 08:45:51,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 08:45:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 08:45:51,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-10 08:45:51,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 08:45:51,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-10 08:45:51,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 08:45:51,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-10 08:45:51,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-10 08:45:51,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-10 08:45:51,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-10 08:45:51,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-10 08:45:51,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-10 08:45:51,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-10 08:45:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-10 08:45:51,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-10 08:45:51,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-10 08:45:51,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-10 08:45:51,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-10 08:45:51,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-10 08:45:51,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-10 08:45:51,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-10 08:45:51,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-10 08:45:51,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-10 08:45:51,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-10 08:45:51,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-10 08:45:51,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-10 08:45:51,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-10 08:45:51,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-10 08:45:51,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-10 08:45:51,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-11-10 08:45:51,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-11-10 08:45:51,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-11-10 08:45:51,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-11-10 08:45:51,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-10 08:45:51,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-10 08:45:51,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-11-10 08:45:51,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:51,262 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2024-11-10 08:45:51,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:45:51,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674867716] [2024-11-10 08:45:51,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674867716] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:45:51,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:45:51,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 08:45:51,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141492276] [2024-11-10 08:45:51,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:45:51,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 08:45:51,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:45:51,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 08:45:51,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 08:45:51,265 INFO L87 Difference]: Start difference. First operand 1789 states and 2878 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-10 08:45:51,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:45:51,467 INFO L93 Difference]: Finished difference Result 5151 states and 8304 transitions. [2024-11-10 08:45:51,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 08:45:51,468 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) Word has length 412 [2024-11-10 08:45:51,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:45:51,491 INFO L225 Difference]: With dead ends: 5151 [2024-11-10 08:45:51,491 INFO L226 Difference]: Without dead ends: 3470 [2024-11-10 08:45:51,498 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 08:45:51,499 INFO L432 NwaCegarLoop]: 370 mSDtfsCounter, 250 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 733 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 08:45:51,499 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 733 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 08:45:51,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3470 states. [2024-11-10 08:45:51,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3470 to 3467. [2024-11-10 08:45:51,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3467 states, 2623 states have (on average 1.4948532215020969) internal successors, (3921), 2631 states have internal predecessors, (3921), 825 states have call successors, (825), 18 states have call predecessors, (825), 18 states have return successors, (825), 817 states have call predecessors, (825), 825 states have call successors, (825) [2024-11-10 08:45:51,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3467 states to 3467 states and 5571 transitions. [2024-11-10 08:45:51,755 INFO L78 Accepts]: Start accepts. Automaton has 3467 states and 5571 transitions. Word has length 412 [2024-11-10 08:45:51,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:45:51,756 INFO L471 AbstractCegarLoop]: Abstraction has 3467 states and 5571 transitions. [2024-11-10 08:45:51,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-10 08:45:51,757 INFO L276 IsEmpty]: Start isEmpty. Operand 3467 states and 5571 transitions. [2024-11-10 08:45:51,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2024-11-10 08:45:51,761 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:45:51,762 INFO L215 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:45:51,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 08:45:51,762 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:45:51,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:45:51,763 INFO L85 PathProgramCache]: Analyzing trace with hash 1075627440, now seen corresponding path program 1 times [2024-11-10 08:45:51,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:45:51,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092683835] [2024-11-10 08:45:51,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:45:51,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:45:51,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:45:52,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:45:52,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:45:52,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 08:45:52,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 08:45:52,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 08:45:52,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 08:45:52,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 08:45:52,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 08:45:52,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 08:45:52,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 08:45:52,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 08:45:52,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 08:45:52,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 08:45:52,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 08:45:52,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 08:45:52,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 08:45:52,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 08:45:52,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 08:45:52,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 08:45:52,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 08:45:52,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 08:45:52,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 08:45:52,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-10 08:45:52,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 08:45:52,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-10 08:45:52,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 08:45:52,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-10 08:45:52,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-10 08:45:52,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-10 08:45:52,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-10 08:45:52,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-10 08:45:52,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-10 08:45:52,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-10 08:45:52,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-10 08:45:52,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-10 08:45:52,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-10 08:45:52,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-10 08:45:52,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-10 08:45:52,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-10 08:45:52,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-10 08:45:52,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-10 08:45:52,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-10 08:45:52,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-10 08:45:52,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-10 08:45:52,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-10 08:45:52,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-10 08:45:52,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-10 08:45:52,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-10 08:45:52,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-10 08:45:52,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-11-10 08:45:52,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-11-10 08:45:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-11-10 08:45:52,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-11-10 08:45:52,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-10 08:45:52,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-10 08:45:52,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-11-10 08:45:52,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:52,751 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2024-11-10 08:45:52,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:45:52,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092683835] [2024-11-10 08:45:52,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092683835] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:45:52,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:45:52,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 08:45:52,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933017947] [2024-11-10 08:45:52,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:45:52,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 08:45:52,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:45:52,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 08:45:52,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 08:45:52,754 INFO L87 Difference]: Start difference. First operand 3467 states and 5571 transitions. Second operand has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-10 08:45:53,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:45:53,553 INFO L93 Difference]: Finished difference Result 10804 states and 17329 transitions. [2024-11-10 08:45:53,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 08:45:53,554 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) Word has length 412 [2024-11-10 08:45:53,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:45:53,610 INFO L225 Difference]: With dead ends: 10804 [2024-11-10 08:45:53,610 INFO L226 Difference]: Without dead ends: 7445 [2024-11-10 08:45:53,627 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 08:45:53,630 INFO L432 NwaCegarLoop]: 373 mSDtfsCounter, 496 mSDsluCounter, 738 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 496 SdHoareTripleChecker+Valid, 1111 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 08:45:53,630 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [496 Valid, 1111 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 08:45:53,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7445 states. [2024-11-10 08:45:54,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7445 to 6791. [2024-11-10 08:45:54,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6791 states, 5163 states have (on average 1.4931241526244432) internal successors, (7709), 5179 states have internal predecessors, (7709), 1593 states have call successors, (1593), 34 states have call predecessors, (1593), 34 states have return successors, (1593), 1577 states have call predecessors, (1593), 1593 states have call successors, (1593) [2024-11-10 08:45:54,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6791 states to 6791 states and 10895 transitions. [2024-11-10 08:45:54,300 INFO L78 Accepts]: Start accepts. Automaton has 6791 states and 10895 transitions. Word has length 412 [2024-11-10 08:45:54,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:45:54,301 INFO L471 AbstractCegarLoop]: Abstraction has 6791 states and 10895 transitions. [2024-11-10 08:45:54,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-10 08:45:54,302 INFO L276 IsEmpty]: Start isEmpty. Operand 6791 states and 10895 transitions. [2024-11-10 08:45:54,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2024-11-10 08:45:54,307 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:45:54,307 INFO L215 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:45:54,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 08:45:54,308 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:45:54,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:45:54,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1974575375, now seen corresponding path program 1 times [2024-11-10 08:45:54,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:45:54,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077702087] [2024-11-10 08:45:54,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:45:54,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:45:55,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:45:56,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:45:56,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:45:56,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 08:45:56,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 08:45:56,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 08:45:56,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 08:45:56,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 08:45:56,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 08:45:56,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 08:45:56,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 08:45:56,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 08:45:56,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 08:45:56,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 08:45:56,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 08:45:56,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 08:45:56,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 08:45:56,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 08:45:56,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 08:45:56,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 08:45:56,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 08:45:56,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 08:45:56,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 08:45:56,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-10 08:45:56,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 08:45:56,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-10 08:45:56,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 08:45:56,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-10 08:45:56,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-10 08:45:56,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-10 08:45:56,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-10 08:45:56,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-10 08:45:56,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-10 08:45:56,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-10 08:45:56,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-10 08:45:56,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-10 08:45:56,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-10 08:45:56,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-10 08:45:56,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-10 08:45:56,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-10 08:45:56,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-10 08:45:56,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-10 08:45:56,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-10 08:45:56,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-10 08:45:56,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-10 08:45:56,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-10 08:45:56,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-10 08:45:56,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-10 08:45:56,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-10 08:45:56,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-10 08:45:56,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-11-10 08:45:56,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-11-10 08:45:56,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-11-10 08:45:56,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-11-10 08:45:56,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-10 08:45:56,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-10 08:45:56,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-11-10 08:45:56,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:45:56,444 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2024-11-10 08:45:56,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:45:56,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077702087] [2024-11-10 08:45:56,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077702087] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:45:56,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:45:56,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 08:45:56,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891640661] [2024-11-10 08:45:56,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:45:56,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 08:45:56,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:45:56,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 08:45:56,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 08:45:56,448 INFO L87 Difference]: Start difference. First operand 6791 states and 10895 transitions. Second operand has 5 states, 5 states have (on average 26.0) internal successors, (130), 5 states have internal predecessors, (130), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-10 08:45:57,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:45:57,993 INFO L93 Difference]: Finished difference Result 21744 states and 34645 transitions. [2024-11-10 08:45:57,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 08:45:57,994 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.0) internal successors, (130), 5 states have internal predecessors, (130), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) Word has length 412 [2024-11-10 08:45:57,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:45:58,110 INFO L225 Difference]: With dead ends: 21744 [2024-11-10 08:45:58,111 INFO L226 Difference]: Without dead ends: 15061 [2024-11-10 08:45:58,147 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-10 08:45:58,148 INFO L432 NwaCegarLoop]: 500 mSDtfsCounter, 493 mSDsluCounter, 904 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 493 SdHoareTripleChecker+Valid, 1404 SdHoareTripleChecker+Invalid, 320 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 08:45:58,148 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [493 Valid, 1404 Invalid, 320 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 08:45:58,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15061 states. [2024-11-10 08:45:59,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15061 to 12335. [2024-11-10 08:45:59,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12335 states, 9523 states have (on average 1.4916517904021842) internal successors, (14205), 9571 states have internal predecessors, (14205), 2745 states have call successors, (2745), 66 states have call predecessors, (2745), 66 states have return successors, (2745), 2697 states have call predecessors, (2745), 2745 states have call successors, (2745) [2024-11-10 08:45:59,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12335 states to 12335 states and 19695 transitions. [2024-11-10 08:45:59,607 INFO L78 Accepts]: Start accepts. Automaton has 12335 states and 19695 transitions. Word has length 412 [2024-11-10 08:45:59,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:45:59,608 INFO L471 AbstractCegarLoop]: Abstraction has 12335 states and 19695 transitions. [2024-11-10 08:45:59,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.0) internal successors, (130), 5 states have internal predecessors, (130), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-10 08:45:59,609 INFO L276 IsEmpty]: Start isEmpty. Operand 12335 states and 19695 transitions. [2024-11-10 08:45:59,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2024-11-10 08:45:59,618 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:45:59,618 INFO L215 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:45:59,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 08:45:59,618 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:45:59,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:45:59,619 INFO L85 PathProgramCache]: Analyzing trace with hash 2123878416, now seen corresponding path program 1 times [2024-11-10 08:45:59,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:45:59,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612636384] [2024-11-10 08:45:59,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:45:59,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:46:00,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:46:01,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:46:01,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:46:01,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 08:46:01,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 08:46:01,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 08:46:01,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 08:46:01,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 08:46:01,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 08:46:01,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 08:46:01,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 08:46:01,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 08:46:01,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 08:46:01,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 08:46:01,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 08:46:01,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 08:46:01,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 08:46:01,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 08:46:01,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 08:46:01,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 08:46:01,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 08:46:01,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 08:46:01,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 08:46:01,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-10 08:46:01,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 08:46:01,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-10 08:46:01,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 08:46:01,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-10 08:46:01,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-10 08:46:01,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-10 08:46:01,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-10 08:46:01,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-10 08:46:01,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-10 08:46:01,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-10 08:46:01,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-10 08:46:01,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-10 08:46:01,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-10 08:46:01,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-10 08:46:01,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-10 08:46:01,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-10 08:46:01,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-10 08:46:01,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-10 08:46:01,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-10 08:46:01,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-10 08:46:01,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-10 08:46:01,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-10 08:46:01,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-10 08:46:01,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-10 08:46:01,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-10 08:46:01,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-10 08:46:01,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-11-10 08:46:01,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-11-10 08:46:01,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-11-10 08:46:01,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-11-10 08:46:01,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-10 08:46:01,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-10 08:46:01,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-11-10 08:46:01,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:01,396 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2024-11-10 08:46:01,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:46:01,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612636384] [2024-11-10 08:46:01,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612636384] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:46:01,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:46:01,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 08:46:01,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843490094] [2024-11-10 08:46:01,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:46:01,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 08:46:01,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:46:01,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 08:46:01,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 08:46:01,400 INFO L87 Difference]: Start difference. First operand 12335 states and 19695 transitions. Second operand has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-10 08:46:02,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:46:02,625 INFO L93 Difference]: Finished difference Result 26178 states and 41775 transitions. [2024-11-10 08:46:02,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 08:46:02,626 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) Word has length 412 [2024-11-10 08:46:02,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:46:02,706 INFO L225 Difference]: With dead ends: 26178 [2024-11-10 08:46:02,706 INFO L226 Difference]: Without dead ends: 13949 [2024-11-10 08:46:02,749 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 08:46:02,750 INFO L432 NwaCegarLoop]: 374 mSDtfsCounter, 558 mSDsluCounter, 738 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 558 SdHoareTripleChecker+Valid, 1112 SdHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 08:46:02,750 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [558 Valid, 1112 Invalid, 209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 08:46:02,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13949 states. [2024-11-10 08:46:04,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13949 to 12335. [2024-11-10 08:46:04,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12335 states, 9523 states have (on average 1.490706710070356) internal successors, (14196), 9571 states have internal predecessors, (14196), 2745 states have call successors, (2745), 66 states have call predecessors, (2745), 66 states have return successors, (2745), 2697 states have call predecessors, (2745), 2745 states have call successors, (2745) [2024-11-10 08:46:04,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12335 states to 12335 states and 19686 transitions. [2024-11-10 08:46:04,389 INFO L78 Accepts]: Start accepts. Automaton has 12335 states and 19686 transitions. Word has length 412 [2024-11-10 08:46:04,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:46:04,390 INFO L471 AbstractCegarLoop]: Abstraction has 12335 states and 19686 transitions. [2024-11-10 08:46:04,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57) [2024-11-10 08:46:04,391 INFO L276 IsEmpty]: Start isEmpty. Operand 12335 states and 19686 transitions. [2024-11-10 08:46:04,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2024-11-10 08:46:04,404 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:46:04,404 INFO L215 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:46:04,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 08:46:04,405 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:46:04,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:46:04,406 INFO L85 PathProgramCache]: Analyzing trace with hash -316743343, now seen corresponding path program 1 times [2024-11-10 08:46:04,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:46:04,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3234476] [2024-11-10 08:46:04,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:46:04,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:46:06,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:46:08,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:46:08,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:46:08,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 08:46:08,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 08:46:08,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 08:46:08,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 08:46:08,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 08:46:08,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 08:46:08,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 08:46:08,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 08:46:08,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 08:46:08,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 08:46:08,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 08:46:08,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 08:46:08,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 08:46:08,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 08:46:08,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 08:46:08,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 08:46:08,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 08:46:08,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 08:46:08,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 08:46:08,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 08:46:08,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-10 08:46:08,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 08:46:08,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-10 08:46:08,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 08:46:08,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-10 08:46:08,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-10 08:46:08,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-10 08:46:08,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-10 08:46:08,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-10 08:46:08,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-10 08:46:08,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-10 08:46:08,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-10 08:46:08,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-10 08:46:08,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-10 08:46:08,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-10 08:46:08,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-10 08:46:08,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-10 08:46:08,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-10 08:46:08,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-10 08:46:08,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-10 08:46:08,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-10 08:46:08,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-10 08:46:08,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-10 08:46:08,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-10 08:46:08,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-10 08:46:08,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-10 08:46:08,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-10 08:46:08,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-11-10 08:46:08,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-11-10 08:46:08,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-11-10 08:46:08,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-11-10 08:46:08,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-10 08:46:08,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-10 08:46:08,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-11-10 08:46:08,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:08,583 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2024-11-10 08:46:08,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:46:08,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3234476] [2024-11-10 08:46:08,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3234476] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:46:08,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:46:08,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 08:46:08,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519312898] [2024-11-10 08:46:08,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:46:08,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 08:46:08,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:46:08,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 08:46:08,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-10 08:46:08,587 INFO L87 Difference]: Start difference. First operand 12335 states and 19686 transitions. Second operand has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 9 states have internal predecessors, (130), 3 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) [2024-11-10 08:46:11,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:46:11,275 INFO L93 Difference]: Finished difference Result 37049 states and 58925 transitions. [2024-11-10 08:46:11,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 08:46:11,276 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 9 states have internal predecessors, (130), 3 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) Word has length 412 [2024-11-10 08:46:11,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:46:11,510 INFO L225 Difference]: With dead ends: 37049 [2024-11-10 08:46:11,511 INFO L226 Difference]: Without dead ends: 24822 [2024-11-10 08:46:11,545 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2024-11-10 08:46:11,546 INFO L432 NwaCegarLoop]: 535 mSDtfsCounter, 1149 mSDsluCounter, 1541 mSDsCounter, 0 mSdLazyCounter, 661 mSolverCounterSat, 310 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1149 SdHoareTripleChecker+Valid, 2076 SdHoareTripleChecker+Invalid, 971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 310 IncrementalHoareTripleChecker+Valid, 661 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-10 08:46:11,546 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1149 Valid, 2076 Invalid, 971 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [310 Valid, 661 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-10 08:46:11,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24822 states. [2024-11-10 08:46:13,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24822 to 24771. [2024-11-10 08:46:13,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24771 states, 19142 states have (on average 1.4844321387524815) internal successors, (28415), 19238 states have internal predecessors, (28415), 5433 states have call successors, (5433), 195 states have call predecessors, (5433), 195 states have return successors, (5433), 5337 states have call predecessors, (5433), 5433 states have call successors, (5433) [2024-11-10 08:46:14,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24771 states to 24771 states and 39281 transitions. [2024-11-10 08:46:14,072 INFO L78 Accepts]: Start accepts. Automaton has 24771 states and 39281 transitions. Word has length 412 [2024-11-10 08:46:14,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:46:14,073 INFO L471 AbstractCegarLoop]: Abstraction has 24771 states and 39281 transitions. [2024-11-10 08:46:14,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.444444444444445) internal successors, (130), 9 states have internal predecessors, (130), 3 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) [2024-11-10 08:46:14,073 INFO L276 IsEmpty]: Start isEmpty. Operand 24771 states and 39281 transitions. [2024-11-10 08:46:14,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2024-11-10 08:46:14,092 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:46:14,092 INFO L215 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:46:14,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 08:46:14,093 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:46:14,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:46:14,094 INFO L85 PathProgramCache]: Analyzing trace with hash 873204473, now seen corresponding path program 1 times [2024-11-10 08:46:14,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:46:14,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824337760] [2024-11-10 08:46:14,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:46:14,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:46:14,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:20,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:46:20,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:20,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:46:20,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:20,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:46:20,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:20,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 08:46:20,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:20,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 08:46:20,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:20,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 08:46:20,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:20,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 08:46:20,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:20,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 08:46:20,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:20,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 08:46:20,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:20,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 08:46:20,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:20,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 08:46:20,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:20,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 08:46:20,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:20,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 08:46:20,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:20,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 08:46:20,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:20,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 08:46:20,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:20,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 08:46:20,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:20,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 08:46:20,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:20,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 08:46:20,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:20,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 08:46:20,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:20,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 08:46:20,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:20,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 08:46:20,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:20,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 08:46:20,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:20,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 08:46:20,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:20,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-10 08:46:20,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:20,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 08:46:20,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:20,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-10 08:46:20,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:20,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 08:46:20,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:20,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-10 08:46:20,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:20,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-10 08:46:20,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:20,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-10 08:46:20,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:20,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-10 08:46:20,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:20,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-10 08:46:20,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:20,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-10 08:46:20,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:20,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-10 08:46:20,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:20,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-10 08:46:20,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:20,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-10 08:46:20,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:20,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-10 08:46:20,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:20,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-10 08:46:20,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:20,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-10 08:46:20,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:20,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-10 08:46:20,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:20,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-10 08:46:20,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:20,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-10 08:46:20,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:20,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-10 08:46:20,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:21,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-10 08:46:21,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:21,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-10 08:46:21,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:21,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-10 08:46:21,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:21,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-10 08:46:21,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:21,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-10 08:46:21,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:21,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-10 08:46:21,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:21,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-10 08:46:21,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:21,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-11-10 08:46:21,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:21,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-11-10 08:46:21,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:21,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-11-10 08:46:21,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:21,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-11-10 08:46:21,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:21,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-10 08:46:21,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:21,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-10 08:46:21,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:21,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-11-10 08:46:21,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:21,134 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2024-11-10 08:46:21,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:46:21,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824337760] [2024-11-10 08:46:21,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824337760] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:46:21,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:46:21,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-10 08:46:21,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378925484] [2024-11-10 08:46:21,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:46:21,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-10 08:46:21,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:46:21,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-10 08:46:21,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2024-11-10 08:46:21,137 INFO L87 Difference]: Start difference. First operand 24771 states and 39281 transitions. Second operand has 19 states, 19 states have (on average 6.894736842105263) internal successors, (131), 19 states have internal predecessors, (131), 4 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 3 states have call predecessors, (57), 4 states have call successors, (57) [2024-11-10 08:46:30,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 08:46:30,659 INFO L93 Difference]: Finished difference Result 116371 states and 183812 transitions. [2024-11-10 08:46:30,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-10 08:46:30,660 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 6.894736842105263) internal successors, (131), 19 states have internal predecessors, (131), 4 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 3 states have call predecessors, (57), 4 states have call successors, (57) Word has length 413 [2024-11-10 08:46:30,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 08:46:30,981 INFO L225 Difference]: With dead ends: 116371 [2024-11-10 08:46:30,981 INFO L226 Difference]: Without dead ends: 91712 [2024-11-10 08:46:31,074 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 527 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=562, Invalid=1508, Unknown=0, NotChecked=0, Total=2070 [2024-11-10 08:46:31,075 INFO L432 NwaCegarLoop]: 397 mSDtfsCounter, 6600 mSDsluCounter, 3960 mSDsCounter, 0 mSdLazyCounter, 3233 mSolverCounterSat, 492 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6600 SdHoareTripleChecker+Valid, 4357 SdHoareTripleChecker+Invalid, 3725 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 492 IncrementalHoareTripleChecker+Valid, 3233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-11-10 08:46:31,076 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6600 Valid, 4357 Invalid, 3725 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [492 Valid, 3233 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-11-10 08:46:31,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91712 states. [2024-11-10 08:46:34,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91712 to 37459. [2024-11-10 08:46:34,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37459 states, 30869 states have (on average 1.5094107356895268) internal successors, (46594), 31061 states have internal predecessors, (46594), 6297 states have call successors, (6297), 292 states have call predecessors, (6297), 292 states have return successors, (6297), 6105 states have call predecessors, (6297), 6297 states have call successors, (6297) [2024-11-10 08:46:35,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37459 states to 37459 states and 59188 transitions. [2024-11-10 08:46:35,105 INFO L78 Accepts]: Start accepts. Automaton has 37459 states and 59188 transitions. Word has length 413 [2024-11-10 08:46:35,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 08:46:35,107 INFO L471 AbstractCegarLoop]: Abstraction has 37459 states and 59188 transitions. [2024-11-10 08:46:35,107 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 6.894736842105263) internal successors, (131), 19 states have internal predecessors, (131), 4 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 3 states have call predecessors, (57), 4 states have call successors, (57) [2024-11-10 08:46:35,107 INFO L276 IsEmpty]: Start isEmpty. Operand 37459 states and 59188 transitions. [2024-11-10 08:46:35,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2024-11-10 08:46:35,144 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 08:46:35,144 INFO L215 NwaCegarLoop]: trace histogram [57, 57, 57, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 08:46:35,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 08:46:35,145 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 08:46:35,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 08:46:35,146 INFO L85 PathProgramCache]: Analyzing trace with hash 974116440, now seen corresponding path program 1 times [2024-11-10 08:46:35,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 08:46:35,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209449153] [2024-11-10 08:46:35,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 08:46:35,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 08:46:36,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 08:46:37,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 08:46:37,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 08:46:37,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 08:46:37,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 08:46:37,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 08:46:37,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 08:46:37,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-10 08:46:37,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 08:46:37,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 08:46:37,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 08:46:37,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-10 08:46:37,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 08:46:37,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-10 08:46:37,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 08:46:37,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 08:46:37,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 08:46:37,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 08:46:37,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 08:46:37,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 08:46:37,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 08:46:37,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 08:46:37,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 08:46:37,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-10 08:46:37,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 08:46:37,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-10 08:46:37,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-10 08:46:37,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-10 08:46:37,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-10 08:46:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2024-11-10 08:46:37,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-10 08:46:37,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-10 08:46:37,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-10 08:46:37,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2024-11-10 08:46:37,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-11-10 08:46:37,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-10 08:46:37,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2024-11-10 08:46:37,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-10 08:46:37,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2024-11-10 08:46:37,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-10 08:46:37,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-10 08:46:37,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-10 08:46:37,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-11-10 08:46:37,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-10 08:46:37,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2024-11-10 08:46:37,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-11-10 08:46:37,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-11-10 08:46:37,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2024-11-10 08:46:37,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2024-11-10 08:46:37,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-10 08:46:37,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 285 [2024-11-10 08:46:37,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2024-11-10 08:46:37,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2024-11-10 08:46:37,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2024-11-10 08:46:37,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2024-11-10 08:46:37,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2024-11-10 08:46:37,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2024-11-10 08:46:37,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 08:46:37,278 INFO L134 CoverageAnalysis]: Checked inductivity of 6384 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6384 trivial. 0 not checked. [2024-11-10 08:46:37,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 08:46:37,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209449153] [2024-11-10 08:46:37,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209449153] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 08:46:37,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 08:46:37,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 08:46:37,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969146243] [2024-11-10 08:46:37,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 08:46:37,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 08:46:37,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 08:46:37,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 08:46:37,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 08:46:37,283 INFO L87 Difference]: Start difference. First operand 37459 states and 59188 transitions. Second operand has 5 states, 5 states have (on average 26.2) internal successors, (131), 5 states have internal predecessors, (131), 1 states have call successors, (57), 1 states have call predecessors, (57), 1 states have return successors, (57), 1 states have call predecessors, (57), 1 states have call successors, (57)