./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-81.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-81.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 330035e885fa245249a9985bfeff9cf400ee4543a6b7e2fb380a386ceeec5a9f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 15:10:28,346 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 15:10:28,406 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 15:10:28,412 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 15:10:28,412 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 15:10:28,436 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 15:10:28,436 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 15:10:28,436 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 15:10:28,437 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 15:10:28,437 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 15:10:28,437 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 15:10:28,438 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 15:10:28,439 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 15:10:28,439 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 15:10:28,440 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 15:10:28,440 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 15:10:28,441 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 15:10:28,441 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 15:10:28,442 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 15:10:28,443 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 15:10:28,443 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 15:10:28,445 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 15:10:28,445 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 15:10:28,445 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 15:10:28,445 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 15:10:28,445 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 15:10:28,446 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 15:10:28,446 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 15:10:28,446 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 15:10:28,446 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 15:10:28,446 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 15:10:28,446 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 15:10:28,446 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 15:10:28,447 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 15:10:28,447 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 15:10:28,447 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 15:10:28,447 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 15:10:28,447 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 15:10:28,447 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 15:10:28,448 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 15:10:28,448 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 15:10:28,449 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 15:10:28,449 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 330035e885fa245249a9985bfeff9cf400ee4543a6b7e2fb380a386ceeec5a9f [2024-11-16 15:10:28,639 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 15:10:28,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 15:10:28,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 15:10:28,663 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 15:10:28,664 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 15:10:28,665 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-81.i [2024-11-16 15:10:29,876 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 15:10:30,067 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 15:10:30,068 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-81.i [2024-11-16 15:10:30,079 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83779352d/c2290a92aea24e8ba79c55f576f876a3/FLAGdca291956 [2024-11-16 15:10:30,091 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83779352d/c2290a92aea24e8ba79c55f576f876a3 [2024-11-16 15:10:30,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 15:10:30,095 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 15:10:30,097 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 15:10:30,098 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 15:10:30,102 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 15:10:30,103 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:10:30" (1/1) ... [2024-11-16 15:10:30,104 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a3710aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:10:30, skipping insertion in model container [2024-11-16 15:10:30,104 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:10:30" (1/1) ... [2024-11-16 15:10:30,127 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 15:10:30,283 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-81.i[919,932] [2024-11-16 15:10:30,371 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 15:10:30,379 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 15:10:30,387 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-cn_file-81.i[919,932] [2024-11-16 15:10:30,414 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 15:10:30,430 INFO L204 MainTranslator]: Completed translation [2024-11-16 15:10:30,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:10:30 WrapperNode [2024-11-16 15:10:30,432 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 15:10:30,433 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 15:10:30,433 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 15:10:30,433 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 15:10:30,438 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:10:30" (1/1) ... [2024-11-16 15:10:30,449 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:10:30" (1/1) ... [2024-11-16 15:10:30,487 INFO L138 Inliner]: procedures = 26, calls = 63, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 307 [2024-11-16 15:10:30,491 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 15:10:30,492 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 15:10:30,492 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 15:10:30,492 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 15:10:30,501 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:10:30" (1/1) ... [2024-11-16 15:10:30,501 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:10:30" (1/1) ... [2024-11-16 15:10:30,508 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:10:30" (1/1) ... [2024-11-16 15:10:30,532 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-16 15:10:30,533 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:10:30" (1/1) ... [2024-11-16 15:10:30,533 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:10:30" (1/1) ... [2024-11-16 15:10:30,546 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:10:30" (1/1) ... [2024-11-16 15:10:30,547 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:10:30" (1/1) ... [2024-11-16 15:10:30,550 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:10:30" (1/1) ... [2024-11-16 15:10:30,551 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:10:30" (1/1) ... [2024-11-16 15:10:30,557 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 15:10:30,557 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 15:10:30,558 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 15:10:30,558 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 15:10:30,558 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:10:30" (1/1) ... [2024-11-16 15:10:30,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 15:10:30,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 15:10:30,586 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 15:10:30,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 15:10:30,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 15:10:30,626 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 15:10:30,626 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 15:10:30,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 15:10:30,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 15:10:30,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 15:10:30,714 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 15:10:30,716 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 15:10:31,061 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L224: havoc property_#t~bitwise34#1;havoc property_#t~short35#1; [2024-11-16 15:10:31,107 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-16 15:10:31,108 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 15:10:31,132 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 15:10:31,133 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 15:10:31,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 03:10:31 BoogieIcfgContainer [2024-11-16 15:10:31,134 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 15:10:31,135 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 15:10:31,136 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 15:10:31,138 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 15:10:31,139 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 03:10:30" (1/3) ... [2024-11-16 15:10:31,139 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61f75172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:10:31, skipping insertion in model container [2024-11-16 15:10:31,140 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:10:30" (2/3) ... [2024-11-16 15:10:31,140 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61f75172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:10:31, skipping insertion in model container [2024-11-16 15:10:31,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 03:10:31" (3/3) ... [2024-11-16 15:10:31,142 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-cn_file-81.i [2024-11-16 15:10:31,155 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 15:10:31,156 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 15:10:31,203 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 15:10:31,208 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;@1af338dd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 15:10:31,208 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 15:10:31,212 INFO L276 IsEmpty]: Start isEmpty. Operand has 137 states, 84 states have (on average 1.4047619047619047) internal successors, (118), 85 states have internal predecessors, (118), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-16 15:10:31,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2024-11-16 15:10:31,225 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:10:31,225 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:10:31,226 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:10:31,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:10:31,230 INFO L85 PathProgramCache]: Analyzing trace with hash 634791598, now seen corresponding path program 1 times [2024-11-16 15:10:31,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:10:31,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051856701] [2024-11-16 15:10:31,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:10:31,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:10:31,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:31,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:10:31,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:31,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:10:31,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:31,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:10:31,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:31,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:10:31,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:31,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:10:31,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:31,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:10:31,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:31,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:10:31,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:31,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:10:31,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:31,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:10:31,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:31,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:10:31,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:31,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:10:31,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:31,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:10:31,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:31,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:10:31,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:31,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:10:31,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:31,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:10:31,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:31,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:10:31,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:31,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:10:31,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:31,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:10:31,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:31,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 15:10:31,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:31,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:10:31,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:31,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 15:10:31,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:31,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 15:10:31,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:31,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 15:10:31,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:31,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 15:10:31,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:31,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 15:10:31,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:31,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 15:10:31,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:31,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 15:10:31,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:31,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 15:10:31,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:31,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 15:10:31,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:31,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 15:10:31,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:31,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 15:10:31,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:31,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 15:10:31,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:31,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 15:10:31,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:31,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 15:10:31,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:31,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 15:10:31,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:31,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 15:10:31,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:31,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-16 15:10:31,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:31,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 15:10:31,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:31,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-16 15:10:31,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:31,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 15:10:31,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:31,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-16 15:10:31,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:31,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 15:10:31,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:31,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 15:10:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:31,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 15:10:31,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:31,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-16 15:10:31,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:31,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-16 15:10:31,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:31,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-16 15:10:31,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:31,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-16 15:10:31,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:31,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 15:10:31,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:31,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-16 15:10:31,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:31,752 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-11-16 15:10:31,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:10:31,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051856701] [2024-11-16 15:10:31,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051856701] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:10:31,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:10:31,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 15:10:31,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639754372] [2024-11-16 15:10:31,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:10:31,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 15:10:31,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:10:31,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 15:10:31,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 15:10:31,786 INFO L87 Difference]: Start difference. First operand has 137 states, 84 states have (on average 1.4047619047619047) internal successors, (118), 85 states have internal predecessors, (118), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) Second operand has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) [2024-11-16 15:10:31,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:10:31,840 INFO L93 Difference]: Finished difference Result 266 states and 479 transitions. [2024-11-16 15:10:31,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 15:10:31,843 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) Word has length 308 [2024-11-16 15:10:31,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:10:31,852 INFO L225 Difference]: With dead ends: 266 [2024-11-16 15:10:31,852 INFO L226 Difference]: Without dead ends: 132 [2024-11-16 15:10:31,856 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 15:10:31,858 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 15:10:31,858 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 206 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 15:10:31,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-16 15:10:31,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2024-11-16 15:10:31,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 80 states have (on average 1.375) internal successors, (110), 80 states have internal predecessors, (110), 50 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 50 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-16 15:10:31,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 210 transitions. [2024-11-16 15:10:31,904 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 210 transitions. Word has length 308 [2024-11-16 15:10:31,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:10:31,904 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 210 transitions. [2024-11-16 15:10:31,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) [2024-11-16 15:10:31,904 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 210 transitions. [2024-11-16 15:10:31,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2024-11-16 15:10:31,908 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:10:31,909 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:10:31,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 15:10:31,909 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:10:31,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:10:31,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1162014290, now seen corresponding path program 1 times [2024-11-16 15:10:31,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:10:31,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349368681] [2024-11-16 15:10:31,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:10:31,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:10:32,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:32,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:10:32,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:32,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:10:32,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:32,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:10:32,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:32,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:10:32,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:32,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:10:32,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:32,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:10:32,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:32,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:10:32,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:32,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:10:32,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:32,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:10:32,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:32,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:10:32,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:32,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:10:32,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:32,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:10:32,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:32,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:10:32,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:32,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:10:32,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:32,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:10:32,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:32,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:10:32,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:32,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:10:32,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:32,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:10:32,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:32,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 15:10:32,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:32,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:10:32,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:32,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 15:10:32,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:32,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 15:10:32,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:32,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 15:10:32,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:32,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 15:10:32,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:32,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 15:10:32,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:32,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 15:10:32,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:32,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 15:10:32,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:32,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 15:10:32,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:32,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 15:10:32,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:32,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 15:10:32,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:32,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 15:10:32,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:32,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 15:10:32,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:32,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 15:10:32,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:32,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 15:10:32,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:32,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 15:10:32,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:32,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 15:10:32,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:32,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-16 15:10:32,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:32,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 15:10:32,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:32,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-16 15:10:32,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:32,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 15:10:32,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:32,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-16 15:10:32,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:32,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 15:10:32,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:32,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 15:10:32,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:32,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 15:10:32,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:32,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-16 15:10:32,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:32,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-16 15:10:32,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:32,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-16 15:10:32,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:32,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-16 15:10:32,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:32,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 15:10:32,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:32,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-16 15:10:32,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:32,676 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-11-16 15:10:32,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:10:32,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349368681] [2024-11-16 15:10:32,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349368681] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:10:32,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:10:32,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 15:10:32,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845179658] [2024-11-16 15:10:32,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:10:32,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 15:10:32,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:10:32,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 15:10:32,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-16 15:10:32,680 INFO L87 Difference]: Start difference. First operand 132 states and 210 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-16 15:10:32,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:10:32,948 INFO L93 Difference]: Finished difference Result 391 states and 626 transitions. [2024-11-16 15:10:32,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 15:10:32,950 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 308 [2024-11-16 15:10:32,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:10:32,955 INFO L225 Difference]: With dead ends: 391 [2024-11-16 15:10:32,955 INFO L226 Difference]: Without dead ends: 262 [2024-11-16 15:10:32,957 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-16 15:10:32,958 INFO L432 NwaCegarLoop]: 257 mSDtfsCounter, 123 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 15:10:32,958 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 551 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 15:10:32,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2024-11-16 15:10:33,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 259. [2024-11-16 15:10:33,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 156 states have (on average 1.3846153846153846) internal successors, (216), 156 states have internal predecessors, (216), 100 states have call successors, (100), 2 states have call predecessors, (100), 2 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-16 15:10:33,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 416 transitions. [2024-11-16 15:10:33,015 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 416 transitions. Word has length 308 [2024-11-16 15:10:33,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:10:33,015 INFO L471 AbstractCegarLoop]: Abstraction has 259 states and 416 transitions. [2024-11-16 15:10:33,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-16 15:10:33,016 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 416 transitions. [2024-11-16 15:10:33,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2024-11-16 15:10:33,022 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:10:33,022 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:10:33,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 15:10:33,023 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:10:33,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:10:33,023 INFO L85 PathProgramCache]: Analyzing trace with hash 1294800405, now seen corresponding path program 1 times [2024-11-16 15:10:33,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:10:33,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484434967] [2024-11-16 15:10:33,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:10:33,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:10:33,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:34,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:10:34,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:34,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:10:34,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:34,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:10:34,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:34,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:10:34,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:34,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:10:34,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:34,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:10:34,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:34,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:10:34,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:34,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:10:34,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:34,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:10:34,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:34,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:10:34,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:34,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:10:34,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:34,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:10:34,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:34,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:10:34,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:34,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:10:34,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:34,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:10:34,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:34,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:10:34,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:34,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:10:34,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:34,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:10:34,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:34,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 15:10:34,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:34,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:10:34,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:34,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 15:10:34,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:34,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 15:10:34,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:34,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 15:10:34,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:34,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 15:10:34,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:34,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 15:10:34,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:34,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 15:10:34,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:34,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 15:10:34,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:34,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 15:10:34,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:34,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 15:10:34,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:34,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 15:10:34,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:34,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 15:10:34,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:34,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 15:10:34,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:34,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 15:10:34,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:34,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 15:10:34,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:34,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 15:10:34,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:34,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 15:10:34,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:34,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-16 15:10:34,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:34,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 15:10:34,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:34,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-16 15:10:34,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:34,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 15:10:34,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:34,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-16 15:10:34,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:34,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 15:10:34,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:34,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 15:10:34,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:34,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 15:10:34,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:34,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-16 15:10:34,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:34,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-16 15:10:34,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:34,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-16 15:10:34,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:34,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-16 15:10:34,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:34,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 15:10:34,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:34,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-16 15:10:34,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:34,206 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-11-16 15:10:34,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:10:34,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484434967] [2024-11-16 15:10:34,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484434967] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:10:34,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:10:34,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 15:10:34,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570748499] [2024-11-16 15:10:34,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:10:34,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 15:10:34,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:10:34,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 15:10:34,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-16 15:10:34,209 INFO L87 Difference]: Start difference. First operand 259 states and 416 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-16 15:10:35,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:10:35,700 INFO L93 Difference]: Finished difference Result 1291 states and 2034 transitions. [2024-11-16 15:10:35,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 15:10:35,700 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 309 [2024-11-16 15:10:35,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:10:35,712 INFO L225 Difference]: With dead ends: 1291 [2024-11-16 15:10:35,712 INFO L226 Difference]: Without dead ends: 1035 [2024-11-16 15:10:35,713 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2024-11-16 15:10:35,714 INFO L432 NwaCegarLoop]: 302 mSDtfsCounter, 653 mSDsluCounter, 1042 mSDsCounter, 0 mSdLazyCounter, 841 mSolverCounterSat, 371 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 653 SdHoareTripleChecker+Valid, 1344 SdHoareTripleChecker+Invalid, 1212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 371 IncrementalHoareTripleChecker+Valid, 841 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-16 15:10:35,714 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [653 Valid, 1344 Invalid, 1212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [371 Valid, 841 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-16 15:10:35,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1035 states. [2024-11-16 15:10:35,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1035 to 286. [2024-11-16 15:10:35,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 181 states have (on average 1.408839779005525) internal successors, (255), 181 states have internal predecessors, (255), 100 states have call successors, (100), 4 states have call predecessors, (100), 4 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-16 15:10:35,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 455 transitions. [2024-11-16 15:10:35,802 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 455 transitions. Word has length 309 [2024-11-16 15:10:35,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:10:35,803 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 455 transitions. [2024-11-16 15:10:35,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-16 15:10:35,804 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 455 transitions. [2024-11-16 15:10:35,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2024-11-16 15:10:35,807 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:10:35,807 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:10:35,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 15:10:35,807 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:10:35,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:10:35,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1227793652, now seen corresponding path program 1 times [2024-11-16 15:10:35,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:10:35,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300619345] [2024-11-16 15:10:35,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:10:35,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:10:35,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:35,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:10:35,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:35,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:10:35,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:35,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:10:35,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:35,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:10:35,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:35,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:10:35,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:35,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:10:35,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:35,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:10:35,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:35,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:10:35,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:35,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:10:35,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:35,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:10:35,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:35,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:10:35,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:35,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:10:35,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:35,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:10:35,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:35,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:10:35,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:35,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:10:35,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:35,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:10:35,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:35,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:10:35,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:35,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:10:35,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:35,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 15:10:35,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:35,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:10:35,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:35,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 15:10:35,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:35,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 15:10:35,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:35,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 15:10:35,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:35,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 15:10:35,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:35,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 15:10:35,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:35,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 15:10:35,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:35,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 15:10:35,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:35,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 15:10:35,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:35,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 15:10:35,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:35,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 15:10:35,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:35,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 15:10:35,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:35,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 15:10:35,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:35,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 15:10:35,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:35,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 15:10:35,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:35,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 15:10:35,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:35,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 15:10:35,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:35,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-16 15:10:35,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:35,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 15:10:35,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:35,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-16 15:10:35,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:35,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 15:10:35,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:35,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-16 15:10:35,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:35,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 15:10:35,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:35,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 15:10:35,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:35,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 15:10:35,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:35,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-16 15:10:35,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:35,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-16 15:10:35,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:35,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-16 15:10:35,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:35,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-16 15:10:35,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:35,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 15:10:35,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:35,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-16 15:10:35,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:35,957 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-11-16 15:10:35,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:10:35,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300619345] [2024-11-16 15:10:35,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300619345] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:10:35,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:10:35,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 15:10:35,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325514869] [2024-11-16 15:10:35,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:10:35,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 15:10:35,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:10:35,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 15:10:35,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 15:10:35,959 INFO L87 Difference]: Start difference. First operand 286 states and 455 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-16 15:10:36,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:10:36,069 INFO L93 Difference]: Finished difference Result 745 states and 1178 transitions. [2024-11-16 15:10:36,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 15:10:36,070 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 309 [2024-11-16 15:10:36,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:10:36,073 INFO L225 Difference]: With dead ends: 745 [2024-11-16 15:10:36,073 INFO L226 Difference]: Without dead ends: 462 [2024-11-16 15:10:36,076 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 15:10:36,076 INFO L432 NwaCegarLoop]: 327 mSDtfsCounter, 143 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 15:10:36,079 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 522 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 15:10:36,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2024-11-16 15:10:36,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 456. [2024-11-16 15:10:36,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 291 states have (on average 1.3917525773195876) internal successors, (405), 293 states have internal predecessors, (405), 156 states have call successors, (156), 8 states have call predecessors, (156), 8 states have return successors, (156), 154 states have call predecessors, (156), 156 states have call successors, (156) [2024-11-16 15:10:36,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 717 transitions. [2024-11-16 15:10:36,165 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 717 transitions. Word has length 309 [2024-11-16 15:10:36,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:10:36,166 INFO L471 AbstractCegarLoop]: Abstraction has 456 states and 717 transitions. [2024-11-16 15:10:36,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-16 15:10:36,166 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 717 transitions. [2024-11-16 15:10:36,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2024-11-16 15:10:36,168 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:10:36,168 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:10:36,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 15:10:36,169 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:10:36,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:10:36,169 INFO L85 PathProgramCache]: Analyzing trace with hash 1799076270, now seen corresponding path program 1 times [2024-11-16 15:10:36,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:10:36,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384611510] [2024-11-16 15:10:36,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:10:36,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:10:36,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:44,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:10:44,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:44,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:10:44,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:44,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:10:44,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:44,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:10:44,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:44,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:10:44,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:44,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:10:44,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:44,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:10:44,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:44,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:10:44,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:44,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:10:44,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:44,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:10:44,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:44,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:10:44,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:44,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:10:44,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:44,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:10:44,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:44,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:10:44,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:44,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:10:44,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:44,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:10:44,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:44,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:10:44,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:44,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:10:44,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:44,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 15:10:44,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:44,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:10:44,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:44,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 15:10:44,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:44,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 15:10:44,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:44,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 15:10:44,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:44,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 15:10:44,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:44,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 15:10:44,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:44,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 15:10:44,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:44,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 15:10:44,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:44,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 15:10:44,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:44,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 15:10:44,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:44,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 15:10:44,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:44,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 15:10:44,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:44,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 15:10:44,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:44,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 15:10:44,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:44,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 15:10:44,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:44,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 15:10:44,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:44,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 15:10:44,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:44,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-16 15:10:44,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:44,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 15:10:44,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:44,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-16 15:10:44,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:44,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 15:10:44,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:44,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-16 15:10:44,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:44,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 15:10:44,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:44,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 15:10:44,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:44,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 15:10:44,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:44,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-16 15:10:44,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:44,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-16 15:10:44,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:44,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-16 15:10:44,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:44,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-16 15:10:44,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:44,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 15:10:44,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:44,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-16 15:10:44,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:44,593 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-11-16 15:10:44,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:10:44,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384611510] [2024-11-16 15:10:44,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384611510] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:10:44,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:10:44,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 15:10:44,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115858452] [2024-11-16 15:10:44,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:10:44,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 15:10:44,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:10:44,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 15:10:44,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-16 15:10:44,597 INFO L87 Difference]: Start difference. First operand 456 states and 717 transitions. Second operand has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 9 states have internal predecessors, (62), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-16 15:10:45,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:10:45,260 INFO L93 Difference]: Finished difference Result 1243 states and 1917 transitions. [2024-11-16 15:10:45,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 15:10:45,261 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 9 states have internal predecessors, (62), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 309 [2024-11-16 15:10:45,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:10:45,267 INFO L225 Difference]: With dead ends: 1243 [2024-11-16 15:10:45,267 INFO L226 Difference]: Without dead ends: 790 [2024-11-16 15:10:45,268 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-16 15:10:45,270 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 342 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 607 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 15:10:45,271 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 607 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 15:10:45,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2024-11-16 15:10:45,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 508. [2024-11-16 15:10:45,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 508 states, 343 states have (on average 1.41399416909621) internal successors, (485), 345 states have internal predecessors, (485), 156 states have call successors, (156), 8 states have call predecessors, (156), 8 states have return successors, (156), 154 states have call predecessors, (156), 156 states have call successors, (156) [2024-11-16 15:10:45,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 797 transitions. [2024-11-16 15:10:45,337 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 797 transitions. Word has length 309 [2024-11-16 15:10:45,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:10:45,338 INFO L471 AbstractCegarLoop]: Abstraction has 508 states and 797 transitions. [2024-11-16 15:10:45,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 9 states have internal predecessors, (62), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-16 15:10:45,338 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 797 transitions. [2024-11-16 15:10:45,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2024-11-16 15:10:45,342 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:10:45,342 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:10:45,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 15:10:45,342 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:10:45,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:10:45,343 INFO L85 PathProgramCache]: Analyzing trace with hash 2124911, now seen corresponding path program 1 times [2024-11-16 15:10:45,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:10:45,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322842450] [2024-11-16 15:10:45,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:10:45,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:10:45,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:45,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:10:45,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:45,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:10:45,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:45,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:10:45,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:45,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:10:45,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:45,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:10:45,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:45,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:10:45,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:45,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:10:45,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:45,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:10:45,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:45,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:10:45,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:45,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:10:45,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:45,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:10:45,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:45,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:10:45,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:45,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:10:45,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:45,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:10:45,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:45,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:10:45,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:45,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:10:45,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:45,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:10:45,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:45,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:10:45,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:45,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 15:10:45,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:45,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:10:45,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:45,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 15:10:45,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:45,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 15:10:45,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:45,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 15:10:45,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:45,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 15:10:45,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:45,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 15:10:45,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:45,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 15:10:45,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:45,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 15:10:45,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:45,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 15:10:45,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:45,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 15:10:45,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:45,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 15:10:45,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:45,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 15:10:45,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:45,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 15:10:45,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:45,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 15:10:45,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:45,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 15:10:45,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:45,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 15:10:45,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:45,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 15:10:45,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:45,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-16 15:10:45,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:45,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 15:10:45,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:45,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-16 15:10:45,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:45,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 15:10:45,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:45,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-16 15:10:45,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:45,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 15:10:45,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:45,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 15:10:45,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:45,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 15:10:45,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:45,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-16 15:10:45,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:45,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-16 15:10:45,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:45,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-16 15:10:45,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:45,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-16 15:10:45,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:45,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 15:10:45,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:45,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-16 15:10:45,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:45,689 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-11-16 15:10:45,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:10:45,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322842450] [2024-11-16 15:10:45,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322842450] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:10:45,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:10:45,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 15:10:45,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235941627] [2024-11-16 15:10:45,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:10:45,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 15:10:45,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:10:45,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 15:10:45,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 15:10:45,691 INFO L87 Difference]: Start difference. First operand 508 states and 797 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-16 15:10:45,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:10:45,816 INFO L93 Difference]: Finished difference Result 1140 states and 1769 transitions. [2024-11-16 15:10:45,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 15:10:45,816 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 309 [2024-11-16 15:10:45,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:10:45,820 INFO L225 Difference]: With dead ends: 1140 [2024-11-16 15:10:45,820 INFO L226 Difference]: Without dead ends: 635 [2024-11-16 15:10:45,821 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 15:10:45,822 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 44 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 607 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 15:10:45,822 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 607 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 15:10:45,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 635 states. [2024-11-16 15:10:45,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 635 to 628. [2024-11-16 15:10:45,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 628 states, 443 states have (on average 1.3837471783295712) internal successors, (613), 449 states have internal predecessors, (613), 172 states have call successors, (172), 12 states have call predecessors, (172), 12 states have return successors, (172), 166 states have call predecessors, (172), 172 states have call successors, (172) [2024-11-16 15:10:45,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 957 transitions. [2024-11-16 15:10:45,903 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 957 transitions. Word has length 309 [2024-11-16 15:10:45,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:10:45,903 INFO L471 AbstractCegarLoop]: Abstraction has 628 states and 957 transitions. [2024-11-16 15:10:45,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-16 15:10:45,904 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 957 transitions. [2024-11-16 15:10:45,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2024-11-16 15:10:45,905 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:10:45,905 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:10:45,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 15:10:45,906 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:10:45,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:10:45,906 INFO L85 PathProgramCache]: Analyzing trace with hash 1928158989, now seen corresponding path program 1 times [2024-11-16 15:10:45,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:10:45,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578244515] [2024-11-16 15:10:45,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:10:45,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:10:45,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:51,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:10:51,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:51,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:10:51,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:51,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:10:51,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:51,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:10:51,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:51,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:10:51,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:51,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:10:51,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:51,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:10:51,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:51,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:10:51,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:51,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:10:51,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:51,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:10:51,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:51,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:10:51,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:51,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:10:51,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:51,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:10:51,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:51,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:10:51,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:51,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:10:51,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:51,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:10:51,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:51,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:10:51,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:51,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:10:51,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:51,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 15:10:51,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:51,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:10:51,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:51,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 15:10:51,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:51,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 15:10:51,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:51,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 15:10:51,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:51,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 15:10:51,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:51,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 15:10:51,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:51,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 15:10:51,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:51,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 15:10:51,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:51,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 15:10:51,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:51,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 15:10:51,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:51,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 15:10:51,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:51,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 15:10:51,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:51,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 15:10:51,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:51,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 15:10:51,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:51,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 15:10:51,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:51,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 15:10:51,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:51,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 15:10:51,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:51,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-16 15:10:51,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:51,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 15:10:51,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:51,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-16 15:10:51,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:51,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 15:10:51,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:51,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-16 15:10:51,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:51,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 15:10:51,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:51,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 15:10:51,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:51,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 15:10:51,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:51,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-16 15:10:51,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:51,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-16 15:10:51,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:51,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-16 15:10:51,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:51,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-16 15:10:51,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:51,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 15:10:51,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:51,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-16 15:10:51,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:51,860 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-11-16 15:10:51,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:10:51,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578244515] [2024-11-16 15:10:51,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578244515] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:10:51,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:10:51,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 15:10:51,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384017916] [2024-11-16 15:10:51,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:10:51,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 15:10:51,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:10:51,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 15:10:51,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-16 15:10:51,862 INFO L87 Difference]: Start difference. First operand 628 states and 957 transitions. Second operand has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 9 states have internal predecessors, (62), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-16 15:10:53,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:10:53,004 INFO L93 Difference]: Finished difference Result 1409 states and 2121 transitions. [2024-11-16 15:10:53,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 15:10:53,005 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 9 states have internal predecessors, (62), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 309 [2024-11-16 15:10:53,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:10:53,008 INFO L225 Difference]: With dead ends: 1409 [2024-11-16 15:10:53,008 INFO L226 Difference]: Without dead ends: 784 [2024-11-16 15:10:53,011 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-11-16 15:10:53,012 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 182 mSDsluCounter, 681 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 872 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 15:10:53,012 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 872 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 15:10:53,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2024-11-16 15:10:53,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 628. [2024-11-16 15:10:53,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 628 states, 443 states have (on average 1.3837471783295712) internal successors, (613), 449 states have internal predecessors, (613), 172 states have call successors, (172), 12 states have call predecessors, (172), 12 states have return successors, (172), 166 states have call predecessors, (172), 172 states have call successors, (172) [2024-11-16 15:10:53,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 957 transitions. [2024-11-16 15:10:53,092 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 957 transitions. Word has length 309 [2024-11-16 15:10:53,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:10:53,094 INFO L471 AbstractCegarLoop]: Abstraction has 628 states and 957 transitions. [2024-11-16 15:10:53,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.888888888888889) internal successors, (62), 9 states have internal predecessors, (62), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-16 15:10:53,094 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 957 transitions. [2024-11-16 15:10:53,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2024-11-16 15:10:53,095 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:10:53,096 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:10:53,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 15:10:53,096 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:10:53,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:10:53,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1505673263, now seen corresponding path program 1 times [2024-11-16 15:10:53,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:10:53,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836570451] [2024-11-16 15:10:53,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:10:53,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:10:53,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:53,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:10:53,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:53,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:10:53,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:53,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:10:53,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:53,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:10:53,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:53,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:10:53,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:53,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:10:53,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:53,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:10:53,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:53,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:10:53,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:53,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:10:53,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:53,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:10:53,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:53,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:10:53,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:53,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:10:53,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:53,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:10:53,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:53,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:10:53,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:53,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:10:53,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:53,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:10:53,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:53,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:10:53,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:53,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:10:53,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:53,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 15:10:53,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:53,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:10:53,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:53,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 15:10:53,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:53,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 15:10:53,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:53,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 15:10:53,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:53,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 15:10:53,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:53,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 15:10:53,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:53,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 15:10:53,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:53,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 15:10:53,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:53,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 15:10:53,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:53,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 15:10:53,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:53,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 15:10:53,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:54,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 15:10:54,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:54,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 15:10:54,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:54,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 15:10:54,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:54,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 15:10:54,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:54,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 15:10:54,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:54,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 15:10:54,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:54,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-16 15:10:54,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:54,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 15:10:54,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:54,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-16 15:10:54,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:54,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 15:10:54,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:54,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-16 15:10:54,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:54,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 15:10:54,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:54,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 15:10:54,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:54,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 15:10:54,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:54,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-16 15:10:54,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:54,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-16 15:10:54,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:54,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-16 15:10:54,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:54,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-16 15:10:54,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:54,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 15:10:54,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:54,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-16 15:10:54,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:54,076 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-11-16 15:10:54,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:10:54,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836570451] [2024-11-16 15:10:54,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836570451] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:10:54,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:10:54,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 15:10:54,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029111090] [2024-11-16 15:10:54,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:10:54,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 15:10:54,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:10:54,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 15:10:54,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-16 15:10:54,079 INFO L87 Difference]: Start difference. First operand 628 states and 957 transitions. Second operand has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-16 15:10:54,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:10:54,897 INFO L93 Difference]: Finished difference Result 1854 states and 2803 transitions. [2024-11-16 15:10:54,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 15:10:54,897 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 309 [2024-11-16 15:10:54,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:10:54,904 INFO L225 Difference]: With dead ends: 1854 [2024-11-16 15:10:54,904 INFO L226 Difference]: Without dead ends: 1229 [2024-11-16 15:10:54,906 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-11-16 15:10:54,907 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 393 mSDsluCounter, 675 mSDsCounter, 0 mSdLazyCounter, 455 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 393 SdHoareTripleChecker+Valid, 871 SdHoareTripleChecker+Invalid, 609 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 15:10:54,907 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [393 Valid, 871 Invalid, 609 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 455 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 15:10:54,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1229 states. [2024-11-16 15:10:55,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1229 to 791. [2024-11-16 15:10:55,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 791 states, 554 states have (on average 1.3935018050541517) internal successors, (772), 560 states have internal predecessors, (772), 222 states have call successors, (222), 14 states have call predecessors, (222), 14 states have return successors, (222), 216 states have call predecessors, (222), 222 states have call successors, (222) [2024-11-16 15:10:55,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 1216 transitions. [2024-11-16 15:10:55,009 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 1216 transitions. Word has length 309 [2024-11-16 15:10:55,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:10:55,009 INFO L471 AbstractCegarLoop]: Abstraction has 791 states and 1216 transitions. [2024-11-16 15:10:55,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-16 15:10:55,009 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1216 transitions. [2024-11-16 15:10:55,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2024-11-16 15:10:55,011 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:10:55,011 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:10:55,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 15:10:55,012 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:10:55,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:10:55,012 INFO L85 PathProgramCache]: Analyzing trace with hash -1281742224, now seen corresponding path program 1 times [2024-11-16 15:10:55,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:10:55,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416871268] [2024-11-16 15:10:55,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:10:55,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:10:55,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:55,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:10:55,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:55,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:10:55,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:55,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:10:55,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:55,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:10:55,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:55,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:10:55,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:55,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:10:55,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:55,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:10:55,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:55,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:10:55,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:55,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:10:55,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:55,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:10:55,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:55,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:10:55,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:55,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:10:55,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:55,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:10:55,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:55,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:10:55,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:55,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:10:55,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:55,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:10:55,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:55,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:10:55,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:55,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:10:55,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:55,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 15:10:55,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:55,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:10:55,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:55,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 15:10:55,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:55,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 15:10:55,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:55,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 15:10:55,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:55,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 15:10:55,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:55,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 15:10:55,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:55,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 15:10:55,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:55,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 15:10:55,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:55,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 15:10:55,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:55,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 15:10:55,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:55,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 15:10:55,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:55,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 15:10:55,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:55,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 15:10:55,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:55,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 15:10:55,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:55,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 15:10:55,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:55,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 15:10:55,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:55,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 15:10:55,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:55,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-16 15:10:55,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:55,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 15:10:55,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:55,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-16 15:10:55,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:55,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 15:10:55,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:55,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-16 15:10:55,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:55,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 15:10:55,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:55,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 15:10:55,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:55,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 15:10:55,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:55,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-16 15:10:55,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:55,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-16 15:10:55,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:55,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-16 15:10:55,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:55,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-16 15:10:55,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:55,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 15:10:55,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:55,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-16 15:10:55,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:10:55,576 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-11-16 15:10:55,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:10:55,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416871268] [2024-11-16 15:10:55,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416871268] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:10:55,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:10:55,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 15:10:55,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613666453] [2024-11-16 15:10:55,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:10:55,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 15:10:55,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:10:55,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 15:10:55,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-16 15:10:55,578 INFO L87 Difference]: Start difference. First operand 791 states and 1216 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-16 15:10:56,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:10:56,076 INFO L93 Difference]: Finished difference Result 1575 states and 2397 transitions. [2024-11-16 15:10:56,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 15:10:56,076 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 309 [2024-11-16 15:10:56,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:10:56,082 INFO L225 Difference]: With dead ends: 1575 [2024-11-16 15:10:56,082 INFO L226 Difference]: Without dead ends: 950 [2024-11-16 15:10:56,084 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-16 15:10:56,086 INFO L432 NwaCegarLoop]: 198 mSDtfsCounter, 215 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 151 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 768 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 151 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 15:10:56,087 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 768 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [151 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 15:10:56,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 950 states. [2024-11-16 15:10:56,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 950 to 791. [2024-11-16 15:10:56,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 791 states, 554 states have (on average 1.3935018050541517) internal successors, (772), 560 states have internal predecessors, (772), 222 states have call successors, (222), 14 states have call predecessors, (222), 14 states have return successors, (222), 216 states have call predecessors, (222), 222 states have call successors, (222) [2024-11-16 15:10:56,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 1216 transitions. [2024-11-16 15:10:56,205 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 1216 transitions. Word has length 309 [2024-11-16 15:10:56,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:10:56,205 INFO L471 AbstractCegarLoop]: Abstraction has 791 states and 1216 transitions. [2024-11-16 15:10:56,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 7 states have internal predecessors, (62), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-16 15:10:56,205 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1216 transitions. [2024-11-16 15:10:56,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2024-11-16 15:10:56,206 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:10:56,207 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:10:56,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 15:10:56,207 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:10:56,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:10:56,207 INFO L85 PathProgramCache]: Analyzing trace with hash -387165361, now seen corresponding path program 1 times [2024-11-16 15:10:56,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:10:56,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382757538] [2024-11-16 15:10:56,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:10:56,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:10:56,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:01,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:11:01,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:01,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:11:01,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:01,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:11:01,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:01,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:11:01,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:01,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:11:01,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:01,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:11:01,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:01,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:11:01,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:01,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:11:01,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:01,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:11:01,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:01,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:11:01,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:01,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:11:01,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:01,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:11:01,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:01,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:11:01,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:01,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:11:01,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:01,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:11:01,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:01,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:11:01,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:01,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:11:01,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:01,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:11:01,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:01,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 15:11:01,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:01,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:11:01,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:01,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 15:11:01,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:01,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 15:11:01,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:01,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 15:11:01,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:01,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 15:11:01,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:01,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 15:11:01,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:01,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 15:11:01,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:01,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 15:11:01,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:01,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 15:11:01,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:01,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 15:11:01,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:01,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 15:11:01,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:01,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 15:11:01,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:01,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 15:11:01,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:01,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 15:11:01,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:01,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 15:11:01,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:01,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 15:11:01,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:01,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 15:11:01,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:01,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-16 15:11:01,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:01,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 15:11:01,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:01,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-16 15:11:01,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:01,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 15:11:01,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:01,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-16 15:11:01,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:01,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 15:11:01,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:01,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 15:11:01,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:01,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 15:11:01,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:01,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-16 15:11:01,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:01,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-16 15:11:01,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:01,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-16 15:11:01,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:01,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-16 15:11:01,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:01,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 15:11:01,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:01,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-16 15:11:01,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:01,473 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-11-16 15:11:01,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:11:01,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382757538] [2024-11-16 15:11:01,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382757538] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:11:01,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:11:01,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 15:11:01,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778125064] [2024-11-16 15:11:01,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:11:01,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 15:11:01,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:11:01,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 15:11:01,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-16 15:11:01,475 INFO L87 Difference]: Start difference. First operand 791 states and 1216 transitions. Second operand has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-16 15:11:02,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:11:02,105 INFO L93 Difference]: Finished difference Result 1985 states and 2974 transitions. [2024-11-16 15:11:02,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 15:11:02,106 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 310 [2024-11-16 15:11:02,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:11:02,113 INFO L225 Difference]: With dead ends: 1985 [2024-11-16 15:11:02,113 INFO L226 Difference]: Without dead ends: 1360 [2024-11-16 15:11:02,115 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-11-16 15:11:02,117 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 242 mSDsluCounter, 841 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 1030 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 15:11:02,117 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 1030 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 271 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 15:11:02,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1360 states. [2024-11-16 15:11:02,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1360 to 820. [2024-11-16 15:11:02,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 820 states, 583 states have (on average 1.4065180102915953) internal successors, (820), 589 states have internal predecessors, (820), 222 states have call successors, (222), 14 states have call predecessors, (222), 14 states have return successors, (222), 216 states have call predecessors, (222), 222 states have call successors, (222) [2024-11-16 15:11:02,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 820 states and 1264 transitions. [2024-11-16 15:11:02,240 INFO L78 Accepts]: Start accepts. Automaton has 820 states and 1264 transitions. Word has length 310 [2024-11-16 15:11:02,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:11:02,240 INFO L471 AbstractCegarLoop]: Abstraction has 820 states and 1264 transitions. [2024-11-16 15:11:02,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-16 15:11:02,241 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1264 transitions. [2024-11-16 15:11:02,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2024-11-16 15:11:02,242 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:11:02,242 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:11:02,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 15:11:02,242 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:11:02,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:11:02,242 INFO L85 PathProgramCache]: Analyzing trace with hash 2110850576, now seen corresponding path program 1 times [2024-11-16 15:11:02,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:11:02,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824583693] [2024-11-16 15:11:02,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:11:02,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:11:02,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:07,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:11:07,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:07,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:11:07,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:07,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:11:07,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:07,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:11:07,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:07,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:11:07,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:07,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:11:07,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:07,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:11:07,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:07,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:11:07,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:07,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:11:07,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:07,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:11:07,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:07,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:11:07,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:07,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:11:07,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:07,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:11:07,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:07,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:11:07,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:07,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:11:07,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:07,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:11:07,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:07,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:11:07,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:07,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:11:07,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:07,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 15:11:07,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:07,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:11:07,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:07,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 15:11:07,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:07,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 15:11:07,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:07,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 15:11:07,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:07,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 15:11:07,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:07,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 15:11:07,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:07,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 15:11:07,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:07,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 15:11:07,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:07,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 15:11:07,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:07,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 15:11:07,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:07,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 15:11:07,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:07,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 15:11:07,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:07,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 15:11:07,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:07,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 15:11:07,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:07,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 15:11:07,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:07,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 15:11:07,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:07,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 15:11:07,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:07,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-16 15:11:07,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:07,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 15:11:07,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:07,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-16 15:11:07,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:07,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 15:11:07,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:07,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-16 15:11:07,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:07,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 15:11:07,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:07,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 15:11:07,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:07,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 15:11:07,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:07,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-16 15:11:07,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:07,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-16 15:11:07,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:07,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-16 15:11:07,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:07,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-16 15:11:07,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:07,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 15:11:07,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:07,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-16 15:11:07,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:07,470 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-11-16 15:11:07,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:11:07,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824583693] [2024-11-16 15:11:07,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824583693] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:11:07,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:11:07,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 15:11:07,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761560979] [2024-11-16 15:11:07,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:11:07,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 15:11:07,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:11:07,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 15:11:07,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-16 15:11:07,472 INFO L87 Difference]: Start difference. First operand 820 states and 1264 transitions. Second operand has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-16 15:11:08,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:11:08,066 INFO L93 Difference]: Finished difference Result 1949 states and 2934 transitions. [2024-11-16 15:11:08,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 15:11:08,067 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 310 [2024-11-16 15:11:08,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:11:08,073 INFO L225 Difference]: With dead ends: 1949 [2024-11-16 15:11:08,073 INFO L226 Difference]: Without dead ends: 1304 [2024-11-16 15:11:08,075 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-16 15:11:08,075 INFO L432 NwaCegarLoop]: 217 mSDtfsCounter, 195 mSDsluCounter, 781 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 998 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 15:11:08,075 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 998 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 15:11:08,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1304 states. [2024-11-16 15:11:08,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1304 to 852. [2024-11-16 15:11:08,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 852 states, 615 states have (on average 1.4048780487804877) internal successors, (864), 621 states have internal predecessors, (864), 222 states have call successors, (222), 14 states have call predecessors, (222), 14 states have return successors, (222), 216 states have call predecessors, (222), 222 states have call successors, (222) [2024-11-16 15:11:08,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 1308 transitions. [2024-11-16 15:11:08,177 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 1308 transitions. Word has length 310 [2024-11-16 15:11:08,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:11:08,177 INFO L471 AbstractCegarLoop]: Abstraction has 852 states and 1308 transitions. [2024-11-16 15:11:08,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-16 15:11:08,178 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1308 transitions. [2024-11-16 15:11:08,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2024-11-16 15:11:08,179 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:11:08,179 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:11:08,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 15:11:08,179 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:11:08,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:11:08,180 INFO L85 PathProgramCache]: Analyzing trace with hash -258082642, now seen corresponding path program 1 times [2024-11-16 15:11:08,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:11:08,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506402634] [2024-11-16 15:11:08,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:11:08,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:11:08,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:13,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:11:13,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:13,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:11:13,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:13,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:11:13,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:13,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:11:13,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:13,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:11:13,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:13,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:11:13,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:13,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:11:13,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:13,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:11:13,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:13,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:11:13,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:13,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:11:13,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:13,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:11:13,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:13,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:11:13,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:13,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:11:13,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:13,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:11:13,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:13,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:11:13,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:13,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:11:13,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:13,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:11:13,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:13,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:11:13,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:13,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 15:11:13,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:13,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:11:13,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:13,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 15:11:13,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:13,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 15:11:13,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:13,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 15:11:13,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:13,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 15:11:13,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:13,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 15:11:13,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:13,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 15:11:13,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:13,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 15:11:13,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:13,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 15:11:13,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:13,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 15:11:13,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:13,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 15:11:13,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:13,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 15:11:13,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:13,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 15:11:13,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:13,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 15:11:13,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:13,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 15:11:13,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:13,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 15:11:13,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:13,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 15:11:13,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:13,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-16 15:11:13,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:13,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 15:11:13,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:13,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-16 15:11:13,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:13,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 15:11:13,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:13,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-16 15:11:13,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:13,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 15:11:13,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:13,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 15:11:13,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:13,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 15:11:13,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:13,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-16 15:11:13,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:13,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-16 15:11:13,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:13,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-16 15:11:13,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:13,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-16 15:11:13,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:13,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 15:11:13,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:13,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-16 15:11:13,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:13,404 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-11-16 15:11:13,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:11:13,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506402634] [2024-11-16 15:11:13,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506402634] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:11:13,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:11:13,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-16 15:11:13,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418704173] [2024-11-16 15:11:13,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:11:13,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 15:11:13,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:11:13,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 15:11:13,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-16 15:11:13,406 INFO L87 Difference]: Start difference. First operand 852 states and 1308 transitions. Second operand has 13 states, 13 states have (on average 4.846153846153846) internal successors, (63), 13 states have internal predecessors, (63), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) [2024-11-16 15:11:16,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:11:16,978 INFO L93 Difference]: Finished difference Result 2159 states and 3215 transitions. [2024-11-16 15:11:16,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-16 15:11:16,979 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.846153846153846) internal successors, (63), 13 states have internal predecessors, (63), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) Word has length 310 [2024-11-16 15:11:16,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:11:16,985 INFO L225 Difference]: With dead ends: 2159 [2024-11-16 15:11:16,986 INFO L226 Difference]: Without dead ends: 1482 [2024-11-16 15:11:16,988 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=233, Invalid=697, Unknown=0, NotChecked=0, Total=930 [2024-11-16 15:11:16,988 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 708 mSDsluCounter, 912 mSDsCounter, 0 mSdLazyCounter, 813 mSolverCounterSat, 254 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 708 SdHoareTripleChecker+Valid, 1108 SdHoareTripleChecker+Invalid, 1067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 254 IncrementalHoareTripleChecker+Valid, 813 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-16 15:11:16,988 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [708 Valid, 1108 Invalid, 1067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [254 Valid, 813 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-16 15:11:16,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1482 states. [2024-11-16 15:11:17,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1482 to 864. [2024-11-16 15:11:17,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 864 states, 627 states have (on average 1.4066985645933014) internal successors, (882), 633 states have internal predecessors, (882), 222 states have call successors, (222), 14 states have call predecessors, (222), 14 states have return successors, (222), 216 states have call predecessors, (222), 222 states have call successors, (222) [2024-11-16 15:11:17,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 864 states and 1326 transitions. [2024-11-16 15:11:17,091 INFO L78 Accepts]: Start accepts. Automaton has 864 states and 1326 transitions. Word has length 310 [2024-11-16 15:11:17,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:11:17,092 INFO L471 AbstractCegarLoop]: Abstraction has 864 states and 1326 transitions. [2024-11-16 15:11:17,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.846153846153846) internal successors, (63), 13 states have internal predecessors, (63), 2 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 2 states have call successors, (50) [2024-11-16 15:11:17,092 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 1326 transitions. [2024-11-16 15:11:17,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2024-11-16 15:11:17,093 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:11:17,093 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:11:17,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 15:11:17,093 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:11:17,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:11:17,094 INFO L85 PathProgramCache]: Analyzing trace with hash -2055034001, now seen corresponding path program 1 times [2024-11-16 15:11:17,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:11:17,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872550747] [2024-11-16 15:11:17,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:11:17,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:11:17,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:24,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:11:24,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:24,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:11:24,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:24,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:11:24,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:24,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:11:24,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:24,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:11:24,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:24,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:11:24,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:24,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:11:24,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:24,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:11:24,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:24,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:11:24,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:24,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:11:24,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:24,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:11:24,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:24,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:11:24,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:24,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:11:24,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:24,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:11:24,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:24,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:11:24,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:24,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:11:24,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:24,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:11:24,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:24,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:11:24,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:24,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 15:11:24,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:24,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:11:24,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:24,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 15:11:24,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:24,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 15:11:24,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:24,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 15:11:24,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:24,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 15:11:24,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:24,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 15:11:24,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:24,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 15:11:24,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:24,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 15:11:24,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:24,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 15:11:24,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:24,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 15:11:24,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:24,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 15:11:24,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:24,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 15:11:24,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:24,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 15:11:24,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:24,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 15:11:24,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:24,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 15:11:24,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:24,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 15:11:24,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:24,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 15:11:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:24,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-16 15:11:24,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:24,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 15:11:24,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:24,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-16 15:11:24,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:24,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 15:11:24,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:24,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-16 15:11:24,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:24,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 15:11:24,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:24,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 15:11:24,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:24,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 15:11:24,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:24,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-16 15:11:24,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:24,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-16 15:11:24,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:24,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-16 15:11:24,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:24,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-16 15:11:24,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:24,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 15:11:24,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:24,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-16 15:11:24,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:24,140 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-11-16 15:11:24,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:11:24,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872550747] [2024-11-16 15:11:24,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872550747] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:11:24,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:11:24,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-16 15:11:24,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512378208] [2024-11-16 15:11:24,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:11:24,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-16 15:11:24,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:11:24,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-16 15:11:24,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-11-16 15:11:24,142 INFO L87 Difference]: Start difference. First operand 864 states and 1326 transitions. Second operand has 12 states, 12 states have (on average 5.25) internal successors, (63), 12 states have internal predecessors, (63), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-16 15:11:26,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:11:26,050 INFO L93 Difference]: Finished difference Result 1997 states and 3001 transitions. [2024-11-16 15:11:26,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 15:11:26,051 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.25) internal successors, (63), 12 states have internal predecessors, (63), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 310 [2024-11-16 15:11:26,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:11:26,056 INFO L225 Difference]: With dead ends: 1997 [2024-11-16 15:11:26,056 INFO L226 Difference]: Without dead ends: 1320 [2024-11-16 15:11:26,058 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=117, Invalid=389, Unknown=0, NotChecked=0, Total=506 [2024-11-16 15:11:26,058 INFO L432 NwaCegarLoop]: 216 mSDtfsCounter, 301 mSDsluCounter, 1149 mSDsCounter, 0 mSdLazyCounter, 1132 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 1365 SdHoareTripleChecker+Invalid, 1285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 1132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-16 15:11:26,059 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 1365 Invalid, 1285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [153 Valid, 1132 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-16 15:11:26,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2024-11-16 15:11:26,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 861. [2024-11-16 15:11:26,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 861 states, 624 states have (on average 1.4038461538461537) internal successors, (876), 630 states have internal predecessors, (876), 222 states have call successors, (222), 14 states have call predecessors, (222), 14 states have return successors, (222), 216 states have call predecessors, (222), 222 states have call successors, (222) [2024-11-16 15:11:26,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1320 transitions. [2024-11-16 15:11:26,162 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1320 transitions. Word has length 310 [2024-11-16 15:11:26,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:11:26,162 INFO L471 AbstractCegarLoop]: Abstraction has 861 states and 1320 transitions. [2024-11-16 15:11:26,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.25) internal successors, (63), 12 states have internal predecessors, (63), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-16 15:11:26,162 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1320 transitions. [2024-11-16 15:11:26,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2024-11-16 15:11:26,164 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:11:26,164 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:11:26,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 15:11:26,164 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:11:26,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:11:26,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1249469167, now seen corresponding path program 1 times [2024-11-16 15:11:26,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:11:26,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928138066] [2024-11-16 15:11:26,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:11:26,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:11:26,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:32,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:11:32,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:32,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:11:32,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:32,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:11:32,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:32,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:11:32,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:32,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:11:32,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:32,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:11:32,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:32,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:11:32,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:32,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:11:32,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:32,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:11:32,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:32,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:11:32,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:32,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:11:32,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:32,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:11:32,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:32,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:11:32,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:32,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:11:32,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:32,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:11:32,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:32,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:11:32,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:32,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:11:32,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:32,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:11:32,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:32,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 15:11:32,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:32,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:11:32,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:32,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 15:11:32,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:32,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 15:11:32,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:32,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 15:11:32,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:32,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 15:11:32,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:32,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 15:11:32,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:32,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 15:11:32,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:32,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 15:11:32,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:32,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 15:11:32,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:32,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 15:11:32,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:32,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 15:11:32,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:32,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 15:11:32,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:32,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 15:11:32,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:32,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 15:11:32,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:32,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 15:11:32,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:32,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 15:11:32,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:32,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 15:11:32,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:32,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-16 15:11:32,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:32,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 15:11:32,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:32,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-16 15:11:32,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:32,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 15:11:32,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:32,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-16 15:11:32,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:32,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 15:11:32,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:32,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 15:11:32,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:32,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 15:11:32,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:32,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-16 15:11:32,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:32,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-16 15:11:32,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:32,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-16 15:11:32,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:32,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-16 15:11:32,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:32,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 15:11:32,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:32,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-16 15:11:32,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:32,348 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-11-16 15:11:32,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:11:32,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928138066] [2024-11-16 15:11:32,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928138066] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:11:32,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:11:32,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-16 15:11:32,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742037624] [2024-11-16 15:11:32,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:11:32,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-16 15:11:32,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:11:32,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-16 15:11:32,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-16 15:11:32,350 INFO L87 Difference]: Start difference. First operand 861 states and 1320 transitions. Second operand has 12 states, 12 states have (on average 5.25) internal successors, (63), 12 states have internal predecessors, (63), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-16 15:11:36,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:11:36,601 INFO L93 Difference]: Finished difference Result 1925 states and 2893 transitions. [2024-11-16 15:11:36,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-16 15:11:36,601 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.25) internal successors, (63), 12 states have internal predecessors, (63), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 310 [2024-11-16 15:11:36,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:11:36,606 INFO L225 Difference]: With dead ends: 1925 [2024-11-16 15:11:36,606 INFO L226 Difference]: Without dead ends: 1248 [2024-11-16 15:11:36,608 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=176, Invalid=580, Unknown=0, NotChecked=0, Total=756 [2024-11-16 15:11:36,608 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 507 mSDsluCounter, 969 mSDsCounter, 0 mSdLazyCounter, 942 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 507 SdHoareTripleChecker+Valid, 1163 SdHoareTripleChecker+Invalid, 1096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 942 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-16 15:11:36,609 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [507 Valid, 1163 Invalid, 1096 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 942 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-16 15:11:36,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1248 states. [2024-11-16 15:11:36,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1248 to 867. [2024-11-16 15:11:36,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 867 states, 630 states have (on average 1.4095238095238096) internal successors, (888), 636 states have internal predecessors, (888), 222 states have call successors, (222), 14 states have call predecessors, (222), 14 states have return successors, (222), 216 states have call predecessors, (222), 222 states have call successors, (222) [2024-11-16 15:11:36,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 1332 transitions. [2024-11-16 15:11:36,718 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 1332 transitions. Word has length 310 [2024-11-16 15:11:36,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:11:36,718 INFO L471 AbstractCegarLoop]: Abstraction has 867 states and 1332 transitions. [2024-11-16 15:11:36,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.25) internal successors, (63), 12 states have internal predecessors, (63), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-16 15:11:36,719 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1332 transitions. [2024-11-16 15:11:36,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2024-11-16 15:11:36,720 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:11:36,720 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:11:36,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 15:11:36,720 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:11:36,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:11:36,720 INFO L85 PathProgramCache]: Analyzing trace with hash -547482192, now seen corresponding path program 1 times [2024-11-16 15:11:36,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:11:36,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578498274] [2024-11-16 15:11:36,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:11:36,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:11:36,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:37,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:11:37,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:37,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:11:37,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:37,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:11:37,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:37,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:11:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:37,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:11:37,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:37,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:11:37,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:37,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:11:37,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:37,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:11:37,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:37,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:11:37,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:37,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:11:37,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:37,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:11:37,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:37,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:11:37,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:37,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:11:37,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:37,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:11:37,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:37,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:11:37,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:37,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:11:37,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:37,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:11:37,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:37,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:11:37,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:37,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 15:11:37,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:37,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:11:37,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:37,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 15:11:37,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:37,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 15:11:37,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:37,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 15:11:37,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:37,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 15:11:37,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:37,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 15:11:37,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:37,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 15:11:37,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:37,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 15:11:37,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:37,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 15:11:37,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:37,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 15:11:37,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:37,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 15:11:37,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:37,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 15:11:37,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:37,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 15:11:37,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:37,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 15:11:37,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:37,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 15:11:37,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:37,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 15:11:37,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:37,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 15:11:37,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:37,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-16 15:11:37,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:37,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 15:11:37,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:37,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-16 15:11:37,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:37,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 15:11:37,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:37,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-16 15:11:37,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:37,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 15:11:37,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:37,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 15:11:37,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:37,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 15:11:37,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:37,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-16 15:11:37,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:37,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-16 15:11:37,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:37,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-16 15:11:37,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:37,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-16 15:11:37,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:37,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 15:11:37,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:37,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-16 15:11:37,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:37,403 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-11-16 15:11:37,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:11:37,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578498274] [2024-11-16 15:11:37,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578498274] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:11:37,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:11:37,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 15:11:37,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681931133] [2024-11-16 15:11:37,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:11:37,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 15:11:37,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:11:37,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 15:11:37,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 15:11:37,405 INFO L87 Difference]: Start difference. First operand 867 states and 1332 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-16 15:11:38,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:11:38,056 INFO L93 Difference]: Finished difference Result 1814 states and 2737 transitions. [2024-11-16 15:11:38,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 15:11:38,057 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 310 [2024-11-16 15:11:38,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:11:38,062 INFO L225 Difference]: With dead ends: 1814 [2024-11-16 15:11:38,062 INFO L226 Difference]: Without dead ends: 1137 [2024-11-16 15:11:38,063 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2024-11-16 15:11:38,064 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 337 mSDsluCounter, 649 mSDsCounter, 0 mSdLazyCounter, 514 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 855 SdHoareTripleChecker+Invalid, 669 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 15:11:38,064 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [337 Valid, 855 Invalid, 669 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 514 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 15:11:38,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1137 states. [2024-11-16 15:11:38,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1137 to 855. [2024-11-16 15:11:38,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 855 states, 618 states have (on average 1.4077669902912622) internal successors, (870), 624 states have internal predecessors, (870), 222 states have call successors, (222), 14 states have call predecessors, (222), 14 states have return successors, (222), 216 states have call predecessors, (222), 222 states have call successors, (222) [2024-11-16 15:11:38,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 855 states to 855 states and 1314 transitions. [2024-11-16 15:11:38,174 INFO L78 Accepts]: Start accepts. Automaton has 855 states and 1314 transitions. Word has length 310 [2024-11-16 15:11:38,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:11:38,175 INFO L471 AbstractCegarLoop]: Abstraction has 855 states and 1314 transitions. [2024-11-16 15:11:38,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-16 15:11:38,175 INFO L276 IsEmpty]: Start isEmpty. Operand 855 states and 1314 transitions. [2024-11-16 15:11:38,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2024-11-16 15:11:38,176 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:11:38,177 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:11:38,177 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-16 15:11:38,177 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:11:38,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:11:38,177 INFO L85 PathProgramCache]: Analyzing trace with hash -897699538, now seen corresponding path program 1 times [2024-11-16 15:11:38,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:11:38,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1705698799] [2024-11-16 15:11:38,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:11:38,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:11:38,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:38,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:11:38,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:38,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:11:38,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:38,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:11:38,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:38,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:11:38,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:38,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:11:38,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:38,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:11:38,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:38,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:11:38,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:38,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:11:38,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:38,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:11:38,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:38,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:11:38,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:38,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:11:38,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:38,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:11:38,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:38,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:11:38,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:38,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:11:38,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:38,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:11:38,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:38,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:11:38,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:38,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:11:38,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:38,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:11:38,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:38,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 15:11:38,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:38,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:11:38,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:38,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 15:11:38,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:38,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 15:11:38,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:38,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 15:11:38,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:38,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 15:11:38,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:38,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 15:11:38,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:38,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 15:11:38,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:38,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 15:11:38,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:38,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 15:11:38,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:38,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 15:11:38,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:38,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 15:11:38,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:38,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 15:11:38,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:38,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 15:11:38,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:38,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 15:11:38,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:38,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 15:11:38,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:38,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 15:11:38,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:38,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 15:11:38,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:38,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-16 15:11:38,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:38,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 15:11:38,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:38,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-16 15:11:38,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:38,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 15:11:38,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:38,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-16 15:11:38,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:38,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 15:11:38,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:38,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 15:11:38,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:38,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 15:11:38,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:38,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-16 15:11:38,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:38,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-16 15:11:38,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:38,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-16 15:11:38,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:38,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-16 15:11:38,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:38,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 15:11:38,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:38,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-16 15:11:38,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:38,380 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-11-16 15:11:38,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:11:38,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1705698799] [2024-11-16 15:11:38,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1705698799] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:11:38,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:11:38,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 15:11:38,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901286162] [2024-11-16 15:11:38,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:11:38,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 15:11:38,382 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:11:38,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 15:11:38,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 15:11:38,383 INFO L87 Difference]: Start difference. First operand 855 states and 1314 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-16 15:11:38,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:11:38,516 INFO L93 Difference]: Finished difference Result 1635 states and 2480 transitions. [2024-11-16 15:11:38,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 15:11:38,517 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 310 [2024-11-16 15:11:38,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:11:38,521 INFO L225 Difference]: With dead ends: 1635 [2024-11-16 15:11:38,521 INFO L226 Difference]: Without dead ends: 958 [2024-11-16 15:11:38,522 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 15:11:38,523 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 63 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 15:11:38,523 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 610 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 15:11:38,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2024-11-16 15:11:38,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 787. [2024-11-16 15:11:38,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 565 states have (on average 1.4176991150442477) internal successors, (801), 567 states have internal predecessors, (801), 206 states have call successors, (206), 15 states have call predecessors, (206), 15 states have return successors, (206), 204 states have call predecessors, (206), 206 states have call successors, (206) [2024-11-16 15:11:38,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1213 transitions. [2024-11-16 15:11:38,617 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1213 transitions. Word has length 310 [2024-11-16 15:11:38,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:11:38,617 INFO L471 AbstractCegarLoop]: Abstraction has 787 states and 1213 transitions. [2024-11-16 15:11:38,618 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-16 15:11:38,618 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1213 transitions. [2024-11-16 15:11:38,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2024-11-16 15:11:38,619 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:11:38,619 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:11:38,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-16 15:11:38,619 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:11:38,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:11:38,620 INFO L85 PathProgramCache]: Analyzing trace with hash 1600316399, now seen corresponding path program 1 times [2024-11-16 15:11:38,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:11:38,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234320827] [2024-11-16 15:11:38,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:11:38,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:11:38,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:43,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:11:43,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:43,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:11:43,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:43,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:11:43,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:43,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:11:43,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:43,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:11:43,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:43,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:11:43,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:43,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:11:43,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:43,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:11:43,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:43,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:11:43,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:43,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:11:43,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:43,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:11:43,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:43,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:11:43,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:43,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:11:43,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:43,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:11:43,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:43,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:11:43,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:43,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:11:43,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:43,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:11:43,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:43,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:11:43,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:43,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 15:11:43,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:43,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:11:43,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:43,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 15:11:43,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:43,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 15:11:43,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:43,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 15:11:43,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:43,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 15:11:43,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:43,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 15:11:43,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:43,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 15:11:43,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:43,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 15:11:43,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:43,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 15:11:43,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:43,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 15:11:43,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:43,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 15:11:43,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:43,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 15:11:43,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:43,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 15:11:43,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:43,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 15:11:43,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:43,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 15:11:43,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:43,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 15:11:43,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:43,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 15:11:43,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:43,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-16 15:11:43,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:43,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 15:11:43,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:43,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-16 15:11:43,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:43,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 15:11:43,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:43,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-16 15:11:43,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:43,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 15:11:43,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:43,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 15:11:43,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:43,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 15:11:43,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:43,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-16 15:11:43,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:43,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-16 15:11:43,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:43,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-16 15:11:43,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:43,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-16 15:11:43,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:43,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 15:11:43,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:43,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-16 15:11:43,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:43,521 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-11-16 15:11:43,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:11:43,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234320827] [2024-11-16 15:11:43,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234320827] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:11:43,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:11:43,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 15:11:43,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443023860] [2024-11-16 15:11:43,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:11:43,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 15:11:43,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:11:43,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 15:11:43,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-16 15:11:43,523 INFO L87 Difference]: Start difference. First operand 787 states and 1213 transitions. Second operand has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-16 15:11:44,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:11:44,279 INFO L93 Difference]: Finished difference Result 1629 states and 2465 transitions. [2024-11-16 15:11:44,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 15:11:44,280 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 310 [2024-11-16 15:11:44,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:11:44,284 INFO L225 Difference]: With dead ends: 1629 [2024-11-16 15:11:44,284 INFO L226 Difference]: Without dead ends: 1024 [2024-11-16 15:11:44,285 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2024-11-16 15:11:44,286 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 173 mSDsluCounter, 738 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 950 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 15:11:44,286 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 950 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 15:11:44,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1024 states. [2024-11-16 15:11:44,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1024 to 795. [2024-11-16 15:11:44,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 795 states, 573 states have (on average 1.418848167539267) internal successors, (813), 575 states have internal predecessors, (813), 206 states have call successors, (206), 15 states have call predecessors, (206), 15 states have return successors, (206), 204 states have call predecessors, (206), 206 states have call successors, (206) [2024-11-16 15:11:44,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 1225 transitions. [2024-11-16 15:11:44,402 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 1225 transitions. Word has length 310 [2024-11-16 15:11:44,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:11:44,403 INFO L471 AbstractCegarLoop]: Abstraction has 795 states and 1225 transitions. [2024-11-16 15:11:44,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-16 15:11:44,403 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1225 transitions. [2024-11-16 15:11:44,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2024-11-16 15:11:44,404 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:11:44,404 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:11:44,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-16 15:11:44,404 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:11:44,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:11:44,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1729399118, now seen corresponding path program 1 times [2024-11-16 15:11:44,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:11:44,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79200660] [2024-11-16 15:11:44,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:11:44,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:11:44,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:51,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:11:51,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:51,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:11:51,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:51,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:11:51,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:51,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:11:51,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:51,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:11:51,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:51,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:11:51,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:51,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:11:51,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:51,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:11:51,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:51,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:11:51,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:51,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:11:51,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:51,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:11:51,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:51,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:11:51,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:51,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:11:51,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:51,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:11:51,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:51,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:11:51,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:51,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:11:51,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:51,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:11:51,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:51,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:11:51,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:51,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 15:11:51,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:51,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:11:51,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:51,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 15:11:51,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:51,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 15:11:51,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:51,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 15:11:51,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:51,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 15:11:51,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:51,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 15:11:51,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:51,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 15:11:51,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:51,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-16 15:11:51,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:51,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 15:11:51,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:51,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-16 15:11:51,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:51,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-16 15:11:51,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:51,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-16 15:11:51,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:51,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-16 15:11:51,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:51,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-16 15:11:51,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:51,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-16 15:11:51,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:51,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-16 15:11:51,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:51,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-16 15:11:51,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:51,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-16 15:11:51,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:51,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-16 15:11:51,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:51,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-16 15:11:51,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:51,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-16 15:11:51,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:51,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2024-11-16 15:11:51,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:51,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-16 15:11:51,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:51,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2024-11-16 15:11:51,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:51,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2024-11-16 15:11:51,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:51,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2024-11-16 15:11:51,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:51,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2024-11-16 15:11:51,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:51,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2024-11-16 15:11:51,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:51,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-11-16 15:11:51,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:51,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-11-16 15:11:51,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:51,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2024-11-16 15:11:51,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:11:51,374 INFO L134 CoverageAnalysis]: Checked inductivity of 4900 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-11-16 15:11:51,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:11:51,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79200660] [2024-11-16 15:11:51,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79200660] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:11:51,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:11:51,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 15:11:51,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827705035] [2024-11-16 15:11:51,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:11:51,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 15:11:51,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:11:51,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 15:11:51,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-16 15:11:51,376 INFO L87 Difference]: Start difference. First operand 795 states and 1225 transitions. Second operand has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-16 15:11:51,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:11:51,922 INFO L93 Difference]: Finished difference Result 1594 states and 2419 transitions. [2024-11-16 15:11:51,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 15:11:51,923 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) Word has length 310 [2024-11-16 15:11:51,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:11:51,927 INFO L225 Difference]: With dead ends: 1594 [2024-11-16 15:11:51,927 INFO L226 Difference]: Without dead ends: 981 [2024-11-16 15:11:51,928 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-11-16 15:11:51,929 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 121 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 684 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 15:11:51,929 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 684 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 15:11:51,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 981 states. [2024-11-16 15:11:52,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 981 to 795. [2024-11-16 15:11:52,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 795 states, 573 states have (on average 1.418848167539267) internal successors, (813), 575 states have internal predecessors, (813), 206 states have call successors, (206), 15 states have call predecessors, (206), 15 states have return successors, (206), 204 states have call predecessors, (206), 206 states have call successors, (206) [2024-11-16 15:11:52,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 1225 transitions. [2024-11-16 15:11:52,020 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 1225 transitions. Word has length 310 [2024-11-16 15:11:52,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:11:52,020 INFO L471 AbstractCegarLoop]: Abstraction has 795 states and 1225 transitions. [2024-11-16 15:11:52,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 1 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 1 states have call predecessors, (50), 1 states have call successors, (50) [2024-11-16 15:11:52,020 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1225 transitions. [2024-11-16 15:11:52,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2024-11-16 15:11:52,022 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:11:52,022 INFO L215 NwaCegarLoop]: trace histogram [50, 50, 50, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 15:11:52,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-16 15:11:52,022 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:11:52,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:11:52,023 INFO L85 PathProgramCache]: Analyzing trace with hash -1808102032, now seen corresponding path program 1 times [2024-11-16 15:11:52,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:11:52,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910288891] [2024-11-16 15:11:52,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:11:52,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:11:52,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat