./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-34.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-34.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 1210d8db9779caa2b34faedb9da4e6c42e2b8376c95e81a461341238221703f5 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 00:01:07,120 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 00:01:07,188 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 00:01:07,194 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 00:01:07,194 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 00:01:07,225 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 00:01:07,226 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 00:01:07,226 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 00:01:07,227 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 00:01:07,227 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 00:01:07,228 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 00:01:07,228 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 00:01:07,230 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 00:01:07,231 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 00:01:07,233 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 00:01:07,233 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 00:01:07,234 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 00:01:07,234 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 00:01:07,234 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 00:01:07,234 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 00:01:07,235 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 00:01:07,235 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 00:01:07,236 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 00:01:07,236 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 00:01:07,236 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 00:01:07,236 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 00:01:07,237 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 00:01:07,237 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 00:01:07,237 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 00:01:07,238 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 00:01:07,238 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 00:01:07,238 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 00:01:07,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 00:01:07,243 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 00:01:07,243 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 00:01:07,243 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 00:01:07,243 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 00:01:07,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 00:01:07,243 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 00:01:07,244 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 00:01:07,244 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 00:01:07,245 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 00:01:07,245 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1210d8db9779caa2b34faedb9da4e6c42e2b8376c95e81a461341238221703f5 [2024-10-13 00:01:07,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 00:01:07,546 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 00:01:07,548 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 00:01:07,550 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 00:01:07,550 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 00:01:07,552 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-34.i [2024-10-13 00:01:09,070 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 00:01:09,309 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 00:01:09,310 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-34.i [2024-10-13 00:01:09,320 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2e40a2a3/ec22654d625247d2a6ad08bd97ca1d7c/FLAG8b9781c14 [2024-10-13 00:01:09,336 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2e40a2a3/ec22654d625247d2a6ad08bd97ca1d7c [2024-10-13 00:01:09,338 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 00:01:09,340 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 00:01:09,341 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 00:01:09,341 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 00:01:09,346 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 00:01:09,347 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:01:09" (1/1) ... [2024-10-13 00:01:09,351 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ba3f484 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:01:09, skipping insertion in model container [2024-10-13 00:01:09,351 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:01:09" (1/1) ... [2024-10-13 00:01:09,377 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 00:01:09,563 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-34.i[913,926] [2024-10-13 00:01:09,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 00:01:09,631 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 00:01:09,643 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-34.i[913,926] [2024-10-13 00:01:09,678 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 00:01:09,699 INFO L204 MainTranslator]: Completed translation [2024-10-13 00:01:09,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:01:09 WrapperNode [2024-10-13 00:01:09,700 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 00:01:09,702 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 00:01:09,703 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 00:01:09,703 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 00:01:09,711 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:01:09" (1/1) ... [2024-10-13 00:01:09,731 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:01:09" (1/1) ... [2024-10-13 00:01:09,786 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 198 [2024-10-13 00:01:09,787 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 00:01:09,787 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 00:01:09,787 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 00:01:09,787 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 00:01:09,798 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:01:09" (1/1) ... [2024-10-13 00:01:09,798 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:01:09" (1/1) ... [2024-10-13 00:01:09,807 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:01:09" (1/1) ... [2024-10-13 00:01:09,831 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-13 00:01:09,832 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:01:09" (1/1) ... [2024-10-13 00:01:09,832 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:01:09" (1/1) ... [2024-10-13 00:01:09,843 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:01:09" (1/1) ... [2024-10-13 00:01:09,851 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:01:09" (1/1) ... [2024-10-13 00:01:09,858 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:01:09" (1/1) ... [2024-10-13 00:01:09,865 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:01:09" (1/1) ... [2024-10-13 00:01:09,873 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 00:01:09,877 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 00:01:09,877 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 00:01:09,877 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 00:01:09,878 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:01:09" (1/1) ... [2024-10-13 00:01:09,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 00:01:09,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 00:01:09,916 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 00:01:09,923 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 00:01:09,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 00:01:09,971 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 00:01:09,972 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 00:01:09,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 00:01:09,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 00:01:09,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 00:01:10,058 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 00:01:10,062 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 00:01:10,520 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-10-13 00:01:10,521 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 00:01:10,578 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 00:01:10,579 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 00:01:10,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:01:10 BoogieIcfgContainer [2024-10-13 00:01:10,580 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 00:01:10,582 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 00:01:10,582 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 00:01:10,586 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 00:01:10,586 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:01:09" (1/3) ... [2024-10-13 00:01:10,587 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5388e38b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:01:10, skipping insertion in model container [2024-10-13 00:01:10,587 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:01:09" (2/3) ... [2024-10-13 00:01:10,588 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5388e38b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:01:10, skipping insertion in model container [2024-10-13 00:01:10,588 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:01:10" (3/3) ... [2024-10-13 00:01:10,589 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-34.i [2024-10-13 00:01:10,603 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 00:01:10,603 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 00:01:10,678 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 00:01:10,686 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;@67d1b634, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 00:01:10,687 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 00:01:10,692 INFO L276 IsEmpty]: Start isEmpty. Operand has 83 states, 53 states have (on average 1.509433962264151) internal successors, (80), 54 states have internal predecessors, (80), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-13 00:01:10,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-10-13 00:01:10,708 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:01:10,709 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:01:10,709 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:01:10,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:01:10,714 INFO L85 PathProgramCache]: Analyzing trace with hash -490347701, now seen corresponding path program 1 times [2024-10-13 00:01:10,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:01:10,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981455666] [2024-10-13 00:01:10,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:01:10,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:01:10,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:01:11,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 00:01:11,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 00:01:11,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 00:01:11,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 00:01:11,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 00:01:11,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 00:01:11,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 00:01:11,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 00:01:11,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 00:01:11,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 00:01:11,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 00:01:11,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 00:01:11,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 00:01:11,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 00:01:11,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 00:01:11,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 00:01:11,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:01:11,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 00:01:11,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 00:01:11,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 00:01:11,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 00:01:11,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 00:01:11,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 00:01:11,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 00:01:11,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 00:01:11,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 00:01:11,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,221 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 00:01:11,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:01:11,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981455666] [2024-10-13 00:01:11,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981455666] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:01:11,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:01:11,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 00:01:11,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043362270] [2024-10-13 00:01:11,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:01:11,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 00:01:11,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:01:11,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 00:01:11,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 00:01:11,260 INFO L87 Difference]: Start difference. First operand has 83 states, 53 states have (on average 1.509433962264151) internal successors, (80), 54 states have internal predecessors, (80), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-10-13 00:01:11,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:01:11,339 INFO L93 Difference]: Finished difference Result 163 states and 293 transitions. [2024-10-13 00:01:11,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 00:01:11,346 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) Word has length 164 [2024-10-13 00:01:11,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:01:11,355 INFO L225 Difference]: With dead ends: 163 [2024-10-13 00:01:11,357 INFO L226 Difference]: Without dead ends: 81 [2024-10-13 00:01:11,362 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 00:01:11,369 INFO L432 NwaCegarLoop]: 125 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, 125 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 [2024-10-13 00:01:11,370 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 125 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 00:01:11,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-10-13 00:01:11,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2024-10-13 00:01:11,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 52 states have (on average 1.4423076923076923) internal successors, (75), 52 states have internal predecessors, (75), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-13 00:01:11,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 129 transitions. [2024-10-13 00:01:11,440 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 129 transitions. Word has length 164 [2024-10-13 00:01:11,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:01:11,440 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 129 transitions. [2024-10-13 00:01:11,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-10-13 00:01:11,441 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 129 transitions. [2024-10-13 00:01:11,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-10-13 00:01:11,444 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:01:11,445 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:01:11,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 00:01:11,445 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:01:11,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:01:11,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1930445129, now seen corresponding path program 1 times [2024-10-13 00:01:11,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:01:11,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209537624] [2024-10-13 00:01:11,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:01:11,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:01:11,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:01:11,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 00:01:11,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 00:01:11,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 00:01:11,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 00:01:11,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 00:01:11,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 00:01:11,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 00:01:11,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 00:01:11,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 00:01:11,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 00:01:11,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 00:01:11,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 00:01:11,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 00:01:11,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 00:01:11,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 00:01:11,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 00:01:11,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:01:11,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 00:01:11,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 00:01:11,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 00:01:11,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 00:01:11,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 00:01:11,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 00:01:11,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 00:01:11,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 00:01:11,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 00:01:11,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:11,834 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 00:01:11,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:01:11,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209537624] [2024-10-13 00:01:11,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209537624] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:01:11,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:01:11,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 00:01:11,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509726146] [2024-10-13 00:01:11,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:01:11,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 00:01:11,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:01:11,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 00:01:11,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 00:01:11,842 INFO L87 Difference]: Start difference. First operand 81 states and 129 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:01:11,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:01:11,903 INFO L93 Difference]: Finished difference Result 195 states and 311 transitions. [2024-10-13 00:01:11,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 00:01:11,903 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 164 [2024-10-13 00:01:11,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:01:11,909 INFO L225 Difference]: With dead ends: 195 [2024-10-13 00:01:11,909 INFO L226 Difference]: Without dead ends: 115 [2024-10-13 00:01:11,912 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 00:01:11,913 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 50 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 00:01:11,914 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 244 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 00:01:11,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-10-13 00:01:11,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 85. [2024-10-13 00:01:11,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 56 states have (on average 1.4642857142857142) internal successors, (82), 56 states have internal predecessors, (82), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-13 00:01:11,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 136 transitions. [2024-10-13 00:01:11,936 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 136 transitions. Word has length 164 [2024-10-13 00:01:11,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:01:11,938 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 136 transitions. [2024-10-13 00:01:11,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:01:11,939 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 136 transitions. [2024-10-13 00:01:11,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-10-13 00:01:11,941 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:01:11,941 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:01:11,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 00:01:11,942 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:01:11,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:01:11,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1663457589, now seen corresponding path program 1 times [2024-10-13 00:01:11,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:01:11,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060215414] [2024-10-13 00:01:11,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:01:11,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:01:12,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:13,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:01:13,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:13,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 00:01:13,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:13,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 00:01:13,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:13,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 00:01:13,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:13,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 00:01:13,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:13,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 00:01:13,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:13,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 00:01:13,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:13,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 00:01:13,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:13,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 00:01:13,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:13,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 00:01:13,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:13,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 00:01:13,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:13,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 00:01:13,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:13,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 00:01:13,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:13,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 00:01:13,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:13,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 00:01:13,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:13,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 00:01:13,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:13,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 00:01:13,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:13,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:01:13,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:13,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 00:01:13,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:13,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 00:01:13,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:13,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 00:01:13,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:13,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 00:01:13,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:13,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 00:01:13,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:13,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 00:01:13,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:13,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 00:01:13,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:13,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 00:01:13,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:13,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 00:01:13,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:13,447 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 00:01:13,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:01:13,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060215414] [2024-10-13 00:01:13,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060215414] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:01:13,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:01:13,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-13 00:01:13,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364071184] [2024-10-13 00:01:13,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:01:13,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 00:01:13,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:01:13,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 00:01:13,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-13 00:01:13,452 INFO L87 Difference]: Start difference. First operand 85 states and 136 transitions. Second operand has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:01:13,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:01:13,858 INFO L93 Difference]: Finished difference Result 262 states and 413 transitions. [2024-10-13 00:01:13,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 00:01:13,859 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 164 [2024-10-13 00:01:13,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:01:13,861 INFO L225 Difference]: With dead ends: 262 [2024-10-13 00:01:13,861 INFO L226 Difference]: Without dead ends: 178 [2024-10-13 00:01:13,862 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 56 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-10-13 00:01:13,863 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 171 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 00:01:13,864 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 432 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 00:01:13,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-10-13 00:01:13,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 102. [2024-10-13 00:01:13,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 73 states have (on average 1.5068493150684932) internal successors, (110), 73 states have internal predecessors, (110), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-13 00:01:13,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 164 transitions. [2024-10-13 00:01:13,877 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 164 transitions. Word has length 164 [2024-10-13 00:01:13,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:01:13,878 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 164 transitions. [2024-10-13 00:01:13,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:01:13,879 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 164 transitions. [2024-10-13 00:01:13,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-10-13 00:01:13,881 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:01:13,884 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:01:13,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 00:01:13,885 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:01:13,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:01:13,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1405292151, now seen corresponding path program 1 times [2024-10-13 00:01:13,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:01:13,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529404021] [2024-10-13 00:01:13,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:01:13,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:01:13,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:14,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:01:14,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:14,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 00:01:14,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:14,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 00:01:14,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:14,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 00:01:14,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:14,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 00:01:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:14,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 00:01:14,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:14,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 00:01:14,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:14,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 00:01:14,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:14,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 00:01:14,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:14,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 00:01:14,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:14,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 00:01:14,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:14,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 00:01:14,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:14,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 00:01:14,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:14,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 00:01:14,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:14,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 00:01:14,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:14,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 00:01:14,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:14,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 00:01:14,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:14,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:01:14,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:14,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 00:01:14,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:14,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 00:01:14,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:14,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 00:01:14,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:14,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 00:01:14,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:14,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 00:01:14,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:14,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 00:01:14,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:14,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 00:01:14,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:14,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 00:01:14,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:14,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 00:01:14,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:14,438 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 00:01:14,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:01:14,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529404021] [2024-10-13 00:01:14,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529404021] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:01:14,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:01:14,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-13 00:01:14,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396890907] [2024-10-13 00:01:14,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:01:14,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 00:01:14,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:01:14,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 00:01:14,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-13 00:01:14,443 INFO L87 Difference]: Start difference. First operand 102 states and 164 transitions. Second operand has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:01:14,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:01:14,707 INFO L93 Difference]: Finished difference Result 264 states and 420 transitions. [2024-10-13 00:01:14,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-13 00:01:14,708 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 164 [2024-10-13 00:01:14,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:01:14,710 INFO L225 Difference]: With dead ends: 264 [2024-10-13 00:01:14,710 INFO L226 Difference]: Without dead ends: 163 [2024-10-13 00:01:14,711 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-10-13 00:01:14,711 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 122 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 00:01:14,712 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 405 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 00:01:14,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-10-13 00:01:14,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 124. [2024-10-13 00:01:14,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 95 states have (on average 1.5052631578947369) internal successors, (143), 95 states have internal predecessors, (143), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-13 00:01:14,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 197 transitions. [2024-10-13 00:01:14,722 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 197 transitions. Word has length 164 [2024-10-13 00:01:14,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:01:14,723 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 197 transitions. [2024-10-13 00:01:14,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:01:14,723 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 197 transitions. [2024-10-13 00:01:14,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-10-13 00:01:14,725 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:01:14,725 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:01:14,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 00:01:14,726 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:01:14,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:01:14,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1677820591, now seen corresponding path program 1 times [2024-10-13 00:01:14,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:01:14,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24280404] [2024-10-13 00:01:14,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:01:14,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:01:14,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:18,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:01:18,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:18,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 00:01:18,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:18,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 00:01:18,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:18,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 00:01:18,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:18,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 00:01:18,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:18,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 00:01:18,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:18,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 00:01:18,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:18,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 00:01:18,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:18,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 00:01:18,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:18,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 00:01:18,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:18,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 00:01:18,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:18,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 00:01:18,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:18,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 00:01:18,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:18,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 00:01:18,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:18,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 00:01:18,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:18,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 00:01:18,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:18,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 00:01:18,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:18,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:01:18,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:18,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 00:01:18,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:18,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 00:01:18,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:18,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 00:01:18,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:18,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 00:01:18,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:18,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 00:01:18,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:18,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 00:01:18,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:18,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 00:01:18,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:18,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 00:01:18,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:18,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 00:01:18,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:18,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 00:01:18,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:01:18,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24280404] [2024-10-13 00:01:18,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24280404] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:01:18,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:01:18,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-13 00:01:18,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943506397] [2024-10-13 00:01:18,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:01:18,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 00:01:18,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:01:18,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 00:01:18,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2024-10-13 00:01:18,226 INFO L87 Difference]: Start difference. First operand 124 states and 197 transitions. Second operand has 12 states, 12 states have (on average 2.75) internal successors, (33), 12 states have internal predecessors, (33), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:01:19,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:01:19,090 INFO L93 Difference]: Finished difference Result 357 states and 559 transitions. [2024-10-13 00:01:19,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 00:01:19,092 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.75) internal successors, (33), 12 states have internal predecessors, (33), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 165 [2024-10-13 00:01:19,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:01:19,094 INFO L225 Difference]: With dead ends: 357 [2024-10-13 00:01:19,094 INFO L226 Difference]: Without dead ends: 234 [2024-10-13 00:01:19,094 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=62, Invalid=94, Unknown=0, NotChecked=0, Total=156 [2024-10-13 00:01:19,096 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 235 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-13 00:01:19,096 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 563 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-13 00:01:19,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2024-10-13 00:01:19,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 137. [2024-10-13 00:01:19,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 108 states have (on average 1.5277777777777777) internal successors, (165), 108 states have internal predecessors, (165), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-13 00:01:19,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 219 transitions. [2024-10-13 00:01:19,107 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 219 transitions. Word has length 165 [2024-10-13 00:01:19,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:01:19,107 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 219 transitions. [2024-10-13 00:01:19,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.75) internal successors, (33), 12 states have internal predecessors, (33), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:01:19,108 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 219 transitions. [2024-10-13 00:01:19,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-10-13 00:01:19,109 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:01:19,110 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:01:19,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 00:01:19,110 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:01:19,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:01:19,111 INFO L85 PathProgramCache]: Analyzing trace with hash 1735078893, now seen corresponding path program 1 times [2024-10-13 00:01:19,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:01:19,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230279529] [2024-10-13 00:01:19,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:01:19,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:01:19,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:21,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:01:21,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:21,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 00:01:21,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:21,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 00:01:21,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:21,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 00:01:21,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:21,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 00:01:21,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:21,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 00:01:21,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:21,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 00:01:21,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:21,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 00:01:21,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:21,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 00:01:21,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:21,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 00:01:21,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:21,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 00:01:21,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:21,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 00:01:21,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:21,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 00:01:21,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:21,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 00:01:21,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:21,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 00:01:21,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:21,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 00:01:21,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:21,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 00:01:21,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:21,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:01:21,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:21,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 00:01:21,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:21,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 00:01:21,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:21,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 00:01:21,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:21,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 00:01:21,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:21,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 00:01:21,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:21,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 00:01:21,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:21,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 00:01:21,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:21,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 00:01:21,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:21,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 00:01:21,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:21,930 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 00:01:21,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:01:21,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230279529] [2024-10-13 00:01:21,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230279529] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:01:21,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:01:21,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 00:01:21,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792148320] [2024-10-13 00:01:21,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:01:21,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 00:01:21,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:01:21,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 00:01:21,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-10-13 00:01:21,936 INFO L87 Difference]: Start difference. First operand 137 states and 219 transitions. Second operand has 10 states, 10 states have (on average 3.3) internal successors, (33), 10 states have internal predecessors, (33), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:01:22,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:01:22,914 INFO L93 Difference]: Finished difference Result 386 states and 609 transitions. [2024-10-13 00:01:22,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-13 00:01:22,915 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.3) internal successors, (33), 10 states have internal predecessors, (33), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 165 [2024-10-13 00:01:22,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:01:22,917 INFO L225 Difference]: With dead ends: 386 [2024-10-13 00:01:22,917 INFO L226 Difference]: Without dead ends: 250 [2024-10-13 00:01:22,918 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2024-10-13 00:01:22,921 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 214 mSDsluCounter, 516 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 645 SdHoareTripleChecker+Invalid, 481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-13 00:01:22,922 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 645 Invalid, 481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-13 00:01:22,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2024-10-13 00:01:22,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 156. [2024-10-13 00:01:22,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 127 states have (on average 1.5354330708661417) internal successors, (195), 127 states have internal predecessors, (195), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-13 00:01:22,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 249 transitions. [2024-10-13 00:01:22,942 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 249 transitions. Word has length 165 [2024-10-13 00:01:22,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:01:22,945 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 249 transitions. [2024-10-13 00:01:22,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.3) internal successors, (33), 10 states have internal predecessors, (33), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:01:22,946 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 249 transitions. [2024-10-13 00:01:22,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-10-13 00:01:22,947 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:01:22,947 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:01:22,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-13 00:01:22,948 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:01:22,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:01:22,948 INFO L85 PathProgramCache]: Analyzing trace with hash 1993244331, now seen corresponding path program 1 times [2024-10-13 00:01:22,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:01:22,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863777941] [2024-10-13 00:01:22,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:01:22,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:01:22,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:24,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:01:24,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:24,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 00:01:24,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:24,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 00:01:24,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:24,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 00:01:24,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:24,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 00:01:24,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:24,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 00:01:24,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:24,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 00:01:24,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:24,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 00:01:24,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:24,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 00:01:24,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:24,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 00:01:24,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:24,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 00:01:24,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:24,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 00:01:24,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:24,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 00:01:24,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:24,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 00:01:24,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:24,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 00:01:24,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:24,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 00:01:24,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:24,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 00:01:24,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:24,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:01:24,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:24,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 00:01:24,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:24,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 00:01:24,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:24,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 00:01:24,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:24,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 00:01:24,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:24,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 00:01:24,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:24,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 00:01:24,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:24,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 00:01:24,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:24,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 00:01:24,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:24,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 00:01:24,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:24,083 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 00:01:24,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:01:24,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863777941] [2024-10-13 00:01:24,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863777941] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:01:24,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:01:24,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-13 00:01:24,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116598835] [2024-10-13 00:01:24,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:01:24,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 00:01:24,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:01:24,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 00:01:24,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-13 00:01:24,086 INFO L87 Difference]: Start difference. First operand 156 states and 249 transitions. Second operand has 8 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:01:24,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:01:24,733 INFO L93 Difference]: Finished difference Result 393 states and 620 transitions. [2024-10-13 00:01:24,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 00:01:24,734 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 165 [2024-10-13 00:01:24,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:01:24,736 INFO L225 Difference]: With dead ends: 393 [2024-10-13 00:01:24,736 INFO L226 Difference]: Without dead ends: 238 [2024-10-13 00:01:24,737 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2024-10-13 00:01:24,738 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 172 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-13 00:01:24,738 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 505 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-13 00:01:24,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2024-10-13 00:01:24,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 144. [2024-10-13 00:01:24,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 115 states have (on average 1.5217391304347827) internal successors, (175), 115 states have internal predecessors, (175), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-13 00:01:24,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 229 transitions. [2024-10-13 00:01:24,749 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 229 transitions. Word has length 165 [2024-10-13 00:01:24,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:01:24,750 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 229 transitions. [2024-10-13 00:01:24,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:01:24,750 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 229 transitions. [2024-10-13 00:01:24,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-10-13 00:01:24,752 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:01:24,752 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:01:24,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-13 00:01:24,753 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:01:24,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:01:24,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1091014577, now seen corresponding path program 1 times [2024-10-13 00:01:24,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:01:24,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233197786] [2024-10-13 00:01:24,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:01:24,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:01:24,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:24,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:01:24,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:24,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 00:01:24,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:24,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 00:01:24,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:24,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 00:01:24,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:24,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 00:01:24,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:24,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 00:01:24,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:24,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 00:01:24,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:24,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 00:01:24,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:24,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 00:01:24,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:24,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 00:01:24,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:24,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 00:01:24,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:24,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 00:01:24,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:24,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 00:01:24,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:24,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 00:01:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:24,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 00:01:24,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:24,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 00:01:24,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:24,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 00:01:24,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:24,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:01:24,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:24,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 00:01:24,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:24,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 00:01:24,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:24,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 00:01:24,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:24,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 00:01:24,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:24,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 00:01:25,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:25,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 00:01:25,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:25,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 00:01:25,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:25,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 00:01:25,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:25,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 00:01:25,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:25,011 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 00:01:25,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:01:25,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233197786] [2024-10-13 00:01:25,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233197786] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:01:25,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:01:25,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 00:01:25,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664560265] [2024-10-13 00:01:25,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:01:25,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 00:01:25,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:01:25,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 00:01:25,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 00:01:25,015 INFO L87 Difference]: Start difference. First operand 144 states and 229 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:01:25,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:01:25,242 INFO L93 Difference]: Finished difference Result 330 states and 522 transitions. [2024-10-13 00:01:25,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 00:01:25,243 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 165 [2024-10-13 00:01:25,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:01:25,245 INFO L225 Difference]: With dead ends: 330 [2024-10-13 00:01:25,245 INFO L226 Difference]: Without dead ends: 187 [2024-10-13 00:01:25,246 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 00:01:25,246 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 61 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 00:01:25,247 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 329 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 00:01:25,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-10-13 00:01:25,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 184. [2024-10-13 00:01:25,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 150 states have (on average 1.5266666666666666) internal successors, (229), 151 states have internal predecessors, (229), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-13 00:01:25,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 291 transitions. [2024-10-13 00:01:25,264 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 291 transitions. Word has length 165 [2024-10-13 00:01:25,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:01:25,265 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 291 transitions. [2024-10-13 00:01:25,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:01:25,265 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 291 transitions. [2024-10-13 00:01:25,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-10-13 00:01:25,267 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:01:25,268 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:01:25,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-13 00:01:25,268 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:01:25,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:01:25,269 INFO L85 PathProgramCache]: Analyzing trace with hash -421828527, now seen corresponding path program 1 times [2024-10-13 00:01:25,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:01:25,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631593733] [2024-10-13 00:01:25,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:01:25,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:01:25,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:26,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:01:26,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:26,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 00:01:26,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:26,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 00:01:26,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:26,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 00:01:26,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:26,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 00:01:26,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:26,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 00:01:26,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:26,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 00:01:26,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:26,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 00:01:26,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:26,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 00:01:26,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:26,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 00:01:26,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:26,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 00:01:26,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:26,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 00:01:26,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:26,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 00:01:26,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:26,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 00:01:26,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:26,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 00:01:26,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:26,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 00:01:26,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:26,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 00:01:26,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:26,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:01:26,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:26,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 00:01:26,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:26,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 00:01:26,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:26,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 00:01:26,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:26,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 00:01:26,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:26,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 00:01:26,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:26,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 00:01:26,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:26,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 00:01:26,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:26,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 00:01:26,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:26,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 00:01:26,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:26,321 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 00:01:26,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:01:26,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631593733] [2024-10-13 00:01:26,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631593733] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:01:26,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:01:26,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-13 00:01:26,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153556424] [2024-10-13 00:01:26,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:01:26,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 00:01:26,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:01:26,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 00:01:26,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-13 00:01:26,323 INFO L87 Difference]: Start difference. First operand 184 states and 291 transitions. Second operand has 8 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:01:26,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:01:26,828 INFO L93 Difference]: Finished difference Result 445 states and 700 transitions. [2024-10-13 00:01:26,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 00:01:26,829 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 165 [2024-10-13 00:01:26,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:01:26,833 INFO L225 Difference]: With dead ends: 445 [2024-10-13 00:01:26,833 INFO L226 Difference]: Without dead ends: 262 [2024-10-13 00:01:26,833 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2024-10-13 00:01:26,834 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 181 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 00:01:26,834 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 568 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 00:01:26,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2024-10-13 00:01:26,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 187. [2024-10-13 00:01:26,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 153 states have (on average 1.5098039215686274) internal successors, (231), 154 states have internal predecessors, (231), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-13 00:01:26,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 293 transitions. [2024-10-13 00:01:26,845 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 293 transitions. Word has length 165 [2024-10-13 00:01:26,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:01:26,845 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 293 transitions. [2024-10-13 00:01:26,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:01:26,846 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 293 transitions. [2024-10-13 00:01:26,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-10-13 00:01:26,847 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:01:26,848 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:01:26,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 00:01:26,848 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:01:26,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:01:26,848 INFO L85 PathProgramCache]: Analyzing trace with hash 930271011, now seen corresponding path program 1 times [2024-10-13 00:01:26,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:01:26,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684376770] [2024-10-13 00:01:26,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:01:26,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:01:26,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:27,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:01:27,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:27,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 00:01:27,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:27,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 00:01:27,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:27,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 00:01:27,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:27,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 00:01:27,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:27,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 00:01:27,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:27,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 00:01:27,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:27,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 00:01:27,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:27,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 00:01:27,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:27,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 00:01:27,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:27,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 00:01:27,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:27,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 00:01:27,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:27,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 00:01:27,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:27,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 00:01:27,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:27,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 00:01:27,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:27,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 00:01:27,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:27,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 00:01:27,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:27,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:01:27,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:27,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 00:01:27,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:27,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 00:01:27,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:27,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 00:01:27,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:27,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 00:01:27,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:27,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 00:01:27,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:27,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 00:01:27,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:27,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 00:01:27,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:27,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 00:01:27,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:27,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 00:01:27,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:27,061 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 00:01:27,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:01:27,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684376770] [2024-10-13 00:01:27,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684376770] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:01:27,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:01:27,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 00:01:27,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527956307] [2024-10-13 00:01:27,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:01:27,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 00:01:27,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:01:27,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 00:01:27,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 00:01:27,063 INFO L87 Difference]: Start difference. First operand 187 states and 293 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:01:27,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:01:27,227 INFO L93 Difference]: Finished difference Result 377 states and 589 transitions. [2024-10-13 00:01:27,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 00:01:27,227 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 166 [2024-10-13 00:01:27,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:01:27,229 INFO L225 Difference]: With dead ends: 377 [2024-10-13 00:01:27,230 INFO L226 Difference]: Without dead ends: 191 [2024-10-13 00:01:27,230 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 00:01:27,231 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 59 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 00:01:27,231 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 352 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 00:01:27,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-10-13 00:01:27,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 187. [2024-10-13 00:01:27,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 153 states have (on average 1.5098039215686274) internal successors, (231), 154 states have internal predecessors, (231), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-13 00:01:27,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 293 transitions. [2024-10-13 00:01:27,247 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 293 transitions. Word has length 166 [2024-10-13 00:01:27,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:01:27,248 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 293 transitions. [2024-10-13 00:01:27,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:01:27,249 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 293 transitions. [2024-10-13 00:01:27,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-10-13 00:01:27,251 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:01:27,252 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:01:27,252 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-13 00:01:27,252 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:01:27,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:01:27,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1944386909, now seen corresponding path program 1 times [2024-10-13 00:01:27,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:01:27,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835068114] [2024-10-13 00:01:27,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:01:27,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:01:27,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:31,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:01:31,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:31,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 00:01:31,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:31,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 00:01:31,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:31,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 00:01:31,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:31,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 00:01:31,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:31,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 00:01:31,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:31,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 00:01:31,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:31,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 00:01:31,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:31,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 00:01:31,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:31,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 00:01:31,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:31,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 00:01:31,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:31,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 00:01:31,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:31,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 00:01:31,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:31,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 00:01:31,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:31,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 00:01:31,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:31,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 00:01:31,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:31,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 00:01:31,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:31,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:01:31,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:31,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 00:01:31,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:31,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 00:01:31,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:31,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 00:01:31,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:31,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 00:01:31,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:31,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 00:01:31,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:31,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 00:01:31,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:31,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 00:01:31,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:31,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 00:01:31,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:31,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 00:01:31,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:31,052 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 00:01:31,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:01:31,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835068114] [2024-10-13 00:01:31,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835068114] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:01:31,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:01:31,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-13 00:01:31,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941289369] [2024-10-13 00:01:31,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:01:31,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-13 00:01:31,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:01:31,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-13 00:01:31,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2024-10-13 00:01:31,054 INFO L87 Difference]: Start difference. First operand 187 states and 293 transitions. Second operand has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:01:32,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:01:32,605 INFO L93 Difference]: Finished difference Result 468 states and 723 transitions. [2024-10-13 00:01:32,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 00:01:32,607 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 166 [2024-10-13 00:01:32,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:01:32,609 INFO L225 Difference]: With dead ends: 468 [2024-10-13 00:01:32,609 INFO L226 Difference]: Without dead ends: 282 [2024-10-13 00:01:32,611 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=95, Invalid=177, Unknown=0, NotChecked=0, Total=272 [2024-10-13 00:01:32,612 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 398 mSDsluCounter, 697 mSDsCounter, 0 mSdLazyCounter, 865 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 398 SdHoareTripleChecker+Valid, 845 SdHoareTripleChecker+Invalid, 869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 865 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-13 00:01:32,612 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [398 Valid, 845 Invalid, 869 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 865 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-13 00:01:32,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2024-10-13 00:01:32,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 185. [2024-10-13 00:01:32,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 151 states have (on average 1.5033112582781456) internal successors, (227), 152 states have internal predecessors, (227), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-13 00:01:32,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 289 transitions. [2024-10-13 00:01:32,623 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 289 transitions. Word has length 166 [2024-10-13 00:01:32,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:01:32,623 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 289 transitions. [2024-10-13 00:01:32,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.6153846153846154) internal successors, (34), 13 states have internal predecessors, (34), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:01:32,623 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 289 transitions. [2024-10-13 00:01:32,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-10-13 00:01:32,625 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:01:32,625 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:01:32,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-13 00:01:32,626 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:01:32,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:01:32,626 INFO L85 PathProgramCache]: Analyzing trace with hash -1887128607, now seen corresponding path program 1 times [2024-10-13 00:01:32,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:01:32,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079309730] [2024-10-13 00:01:32,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:01:32,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:01:32,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:35,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:01:35,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:35,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 00:01:35,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:35,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 00:01:35,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:35,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 00:01:35,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:35,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 00:01:35,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:35,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 00:01:35,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:35,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 00:01:35,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:35,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 00:01:35,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:35,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 00:01:35,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:35,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 00:01:35,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:35,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 00:01:35,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:35,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 00:01:35,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:35,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 00:01:35,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:35,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 00:01:35,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:35,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 00:01:35,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:35,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 00:01:35,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:35,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 00:01:35,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:35,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:01:35,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:35,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 00:01:35,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:35,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 00:01:35,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:35,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 00:01:35,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:35,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 00:01:35,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:35,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 00:01:35,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:35,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 00:01:35,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:35,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 00:01:35,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:35,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 00:01:35,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:35,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 00:01:35,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:35,190 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 00:01:35,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:01:35,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079309730] [2024-10-13 00:01:35,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079309730] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:01:35,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:01:35,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-13 00:01:35,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67990738] [2024-10-13 00:01:35,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:01:35,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-13 00:01:35,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:01:35,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-13 00:01:35,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-10-13 00:01:35,192 INFO L87 Difference]: Start difference. First operand 185 states and 289 transitions. Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:01:37,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:01:37,246 INFO L93 Difference]: Finished difference Result 544 states and 841 transitions. [2024-10-13 00:01:37,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-13 00:01:37,250 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 166 [2024-10-13 00:01:37,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:01:37,252 INFO L225 Difference]: With dead ends: 544 [2024-10-13 00:01:37,252 INFO L226 Difference]: Without dead ends: 360 [2024-10-13 00:01:37,255 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=72, Invalid=110, Unknown=0, NotChecked=0, Total=182 [2024-10-13 00:01:37,256 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 347 mSDsluCounter, 444 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 580 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-13 00:01:37,256 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [347 Valid, 580 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 409 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-13 00:01:37,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2024-10-13 00:01:37,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 202. [2024-10-13 00:01:37,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 168 states have (on average 1.5119047619047619) internal successors, (254), 169 states have internal predecessors, (254), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-13 00:01:37,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 316 transitions. [2024-10-13 00:01:37,272 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 316 transitions. Word has length 166 [2024-10-13 00:01:37,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:01:37,272 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 316 transitions. [2024-10-13 00:01:37,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 9 states have internal predecessors, (34), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:01:37,273 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 316 transitions. [2024-10-13 00:01:37,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-10-13 00:01:37,275 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:01:37,275 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:01:37,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-13 00:01:37,275 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:01:37,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:01:37,276 INFO L85 PathProgramCache]: Analyzing trace with hash -1628963169, now seen corresponding path program 1 times [2024-10-13 00:01:37,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:01:37,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678619865] [2024-10-13 00:01:37,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:01:37,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:01:37,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:39,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:01:39,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:39,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 00:01:39,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:39,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 00:01:39,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:39,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 00:01:39,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:39,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 00:01:39,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:39,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 00:01:39,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:39,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 00:01:39,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:39,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 00:01:39,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:39,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 00:01:39,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:39,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 00:01:39,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:39,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 00:01:39,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:39,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 00:01:39,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:39,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 00:01:39,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:39,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 00:01:39,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:39,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 00:01:39,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:39,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 00:01:39,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:39,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 00:01:39,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:39,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:01:39,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:39,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 00:01:39,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:39,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 00:01:39,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:39,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 00:01:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:39,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 00:01:39,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:39,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 00:01:39,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:39,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 00:01:39,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:39,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 00:01:39,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:39,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 00:01:39,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:39,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 00:01:39,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:39,423 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 00:01:39,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:01:39,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678619865] [2024-10-13 00:01:39,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678619865] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:01:39,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:01:39,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-13 00:01:39,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792636138] [2024-10-13 00:01:39,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:01:39,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 00:01:39,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:01:39,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 00:01:39,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-10-13 00:01:39,426 INFO L87 Difference]: Start difference. First operand 202 states and 316 transitions. Second operand has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:01:40,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:01:40,709 INFO L93 Difference]: Finished difference Result 498 states and 774 transitions. [2024-10-13 00:01:40,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 00:01:40,714 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 166 [2024-10-13 00:01:40,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:01:40,716 INFO L225 Difference]: With dead ends: 498 [2024-10-13 00:01:40,718 INFO L226 Difference]: Without dead ends: 297 [2024-10-13 00:01:40,719 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=55, Invalid=77, Unknown=0, NotChecked=0, Total=132 [2024-10-13 00:01:40,719 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 194 mSDsluCounter, 600 mSDsCounter, 0 mSdLazyCounter, 848 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 757 SdHoareTripleChecker+Invalid, 852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 848 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-13 00:01:40,720 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 757 Invalid, 852 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 848 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-13 00:01:40,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2024-10-13 00:01:40,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 187. [2024-10-13 00:01:40,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 153 states have (on average 1.4967320261437909) internal successors, (229), 154 states have internal predecessors, (229), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-13 00:01:40,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 291 transitions. [2024-10-13 00:01:40,733 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 291 transitions. Word has length 166 [2024-10-13 00:01:40,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:01:40,734 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 291 transitions. [2024-10-13 00:01:40,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:01:40,734 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 291 transitions. [2024-10-13 00:01:40,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-10-13 00:01:40,737 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:01:40,737 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:01:40,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-13 00:01:40,738 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:01:40,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:01:40,738 INFO L85 PathProgramCache]: Analyzing trace with hash -347352754, now seen corresponding path program 1 times [2024-10-13 00:01:40,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:01:40,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050623019] [2024-10-13 00:01:40,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:01:40,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:01:40,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:40,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:01:40,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:40,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 00:01:40,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:40,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 00:01:40,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:40,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 00:01:40,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:40,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 00:01:40,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:40,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 00:01:40,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:40,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 00:01:40,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:40,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 00:01:40,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:40,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 00:01:40,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:40,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 00:01:40,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:40,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 00:01:40,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:40,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 00:01:40,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:40,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 00:01:40,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:40,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 00:01:40,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:40,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 00:01:40,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:40,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 00:01:40,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:40,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 00:01:40,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:40,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:01:40,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:40,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 00:01:40,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:40,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 00:01:40,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:40,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 00:01:40,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:40,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 00:01:40,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:40,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 00:01:40,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:40,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 00:01:40,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:40,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 00:01:40,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:40,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 00:01:40,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:40,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 00:01:40,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:40,920 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 00:01:40,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:01:40,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050623019] [2024-10-13 00:01:40,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050623019] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:01:40,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:01:40,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 00:01:40,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643406062] [2024-10-13 00:01:40,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:01:40,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 00:01:40,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:01:40,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 00:01:40,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 00:01:40,923 INFO L87 Difference]: Start difference. First operand 187 states and 291 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:01:41,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:01:41,091 INFO L93 Difference]: Finished difference Result 376 states and 583 transitions. [2024-10-13 00:01:41,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 00:01:41,092 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 167 [2024-10-13 00:01:41,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:01:41,094 INFO L225 Difference]: With dead ends: 376 [2024-10-13 00:01:41,094 INFO L226 Difference]: Without dead ends: 190 [2024-10-13 00:01:41,095 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 00:01:41,096 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 57 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 00:01:41,097 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 341 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 00:01:41,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2024-10-13 00:01:41,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 185. [2024-10-13 00:01:41,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 151 states have (on average 1.490066225165563) internal successors, (225), 152 states have internal predecessors, (225), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-13 00:01:41,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 287 transitions. [2024-10-13 00:01:41,110 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 287 transitions. Word has length 167 [2024-10-13 00:01:41,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:01:41,110 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 287 transitions. [2024-10-13 00:01:41,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:01:41,111 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 287 transitions. [2024-10-13 00:01:41,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-10-13 00:01:41,112 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:01:41,112 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:01:41,112 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-13 00:01:41,113 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:01:41,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:01:41,113 INFO L85 PathProgramCache]: Analyzing trace with hash 885056765, now seen corresponding path program 1 times [2024-10-13 00:01:41,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:01:41,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838923359] [2024-10-13 00:01:41,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:01:41,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:01:41,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:42,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:01:42,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:42,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 00:01:42,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:42,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 00:01:42,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:42,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 00:01:42,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:42,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 00:01:42,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:42,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 00:01:42,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:42,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 00:01:42,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:42,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 00:01:42,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:42,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 00:01:42,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:42,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 00:01:42,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:42,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 00:01:42,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:42,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 00:01:42,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:42,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 00:01:42,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:42,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 00:01:42,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:42,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 00:01:42,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:42,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 00:01:42,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:42,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 00:01:42,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:42,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:01:42,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:42,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 00:01:42,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:42,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 00:01:42,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:42,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 00:01:42,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:42,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 00:01:42,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:42,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 00:01:42,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:42,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 00:01:42,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:42,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 00:01:42,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:42,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 00:01:42,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:42,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 00:01:42,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:42,587 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 00:01:42,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:01:42,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838923359] [2024-10-13 00:01:42,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838923359] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:01:42,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:01:42,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-13 00:01:42,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669729062] [2024-10-13 00:01:42,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:01:42,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-13 00:01:42,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:01:42,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-13 00:01:42,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-13 00:01:42,589 INFO L87 Difference]: Start difference. First operand 185 states and 287 transitions. Second operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:01:43,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:01:43,444 INFO L93 Difference]: Finished difference Result 460 states and 709 transitions. [2024-10-13 00:01:43,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-13 00:01:43,448 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 167 [2024-10-13 00:01:43,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:01:43,450 INFO L225 Difference]: With dead ends: 460 [2024-10-13 00:01:43,450 INFO L226 Difference]: Without dead ends: 276 [2024-10-13 00:01:43,451 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2024-10-13 00:01:43,453 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 133 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 560 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-13 00:01:43,454 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 560 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-13 00:01:43,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2024-10-13 00:01:43,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 185. [2024-10-13 00:01:43,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 151 states have (on average 1.490066225165563) internal successors, (225), 152 states have internal predecessors, (225), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2024-10-13 00:01:43,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 287 transitions. [2024-10-13 00:01:43,465 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 287 transitions. Word has length 167 [2024-10-13 00:01:43,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:01:43,466 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 287 transitions. [2024-10-13 00:01:43,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 8 states have internal predecessors, (35), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:01:43,466 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 287 transitions. [2024-10-13 00:01:43,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-10-13 00:01:43,468 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:01:43,468 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:01:43,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-13 00:01:43,468 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:01:43,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:01:43,468 INFO L85 PathProgramCache]: Analyzing trace with hash -35947590, now seen corresponding path program 1 times [2024-10-13 00:01:43,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:01:43,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532003808] [2024-10-13 00:01:43,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:01:43,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:01:43,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:49,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:01:49,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:49,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 00:01:49,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:49,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 00:01:49,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:49,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 00:01:49,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:49,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 00:01:49,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:49,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 00:01:49,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:49,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 00:01:49,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:49,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 00:01:49,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:49,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 00:01:49,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:49,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 00:01:49,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:49,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 00:01:49,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:49,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 00:01:49,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:49,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 00:01:49,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:49,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 00:01:49,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:49,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 00:01:49,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:49,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 00:01:49,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:49,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 00:01:49,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:49,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:01:49,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:49,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 00:01:49,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:49,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 00:01:49,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:49,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 00:01:49,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:49,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 00:01:49,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:49,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 00:01:49,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:49,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 00:01:49,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:49,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 00:01:49,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:49,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 00:01:49,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:49,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 00:01:49,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:49,629 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 00:01:49,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:01:49,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532003808] [2024-10-13 00:01:49,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532003808] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:01:49,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:01:49,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-13 00:01:49,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424626323] [2024-10-13 00:01:49,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:01:49,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 00:01:49,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:01:49,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 00:01:49,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-10-13 00:01:49,632 INFO L87 Difference]: Start difference. First operand 185 states and 287 transitions. Second operand has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 11 states have internal predecessors, (35), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:01:51,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:01:51,660 INFO L93 Difference]: Finished difference Result 654 states and 1000 transitions. [2024-10-13 00:01:51,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 00:01:51,661 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 11 states have internal predecessors, (35), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 167 [2024-10-13 00:01:51,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:01:51,665 INFO L225 Difference]: With dead ends: 654 [2024-10-13 00:01:51,665 INFO L226 Difference]: Without dead ends: 470 [2024-10-13 00:01:51,667 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2024-10-13 00:01:51,669 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 290 mSDsluCounter, 566 mSDsCounter, 0 mSdLazyCounter, 727 mSolverCounterSat, 152 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 719 SdHoareTripleChecker+Invalid, 879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-13 00:01:51,669 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 719 Invalid, 879 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 727 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-13 00:01:51,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2024-10-13 00:01:51,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 373. [2024-10-13 00:01:51,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 290 states have (on average 1.4448275862068964) internal successors, (419), 293 states have internal predecessors, (419), 77 states have call successors, (77), 5 states have call predecessors, (77), 5 states have return successors, (77), 74 states have call predecessors, (77), 77 states have call successors, (77) [2024-10-13 00:01:51,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 573 transitions. [2024-10-13 00:01:51,720 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 573 transitions. Word has length 167 [2024-10-13 00:01:51,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:01:51,721 INFO L471 AbstractCegarLoop]: Abstraction has 373 states and 573 transitions. [2024-10-13 00:01:51,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 11 states have internal predecessors, (35), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:01:51,721 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 573 transitions. [2024-10-13 00:01:51,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-10-13 00:01:51,723 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:01:51,723 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:01:51,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-13 00:01:51,723 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:01:51,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:01:51,724 INFO L85 PathProgramCache]: Analyzing trace with hash 644110780, now seen corresponding path program 1 times [2024-10-13 00:01:51,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:01:51,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369941025] [2024-10-13 00:01:51,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:01:51,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:01:51,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:57,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:01:57,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:57,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 00:01:57,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:57,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 00:01:57,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:57,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 00:01:57,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:57,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 00:01:57,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:57,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 00:01:57,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:57,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 00:01:57,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:57,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 00:01:57,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:57,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 00:01:57,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:57,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 00:01:57,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:57,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 00:01:57,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:57,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 00:01:57,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:57,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 00:01:57,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:57,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 00:01:57,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:57,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 00:01:57,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:57,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 00:01:57,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:57,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 00:01:57,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:57,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:01:57,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:57,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 00:01:57,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:57,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 00:01:57,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:57,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 00:01:57,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:57,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 00:01:57,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:57,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 00:01:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:57,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 00:01:57,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:57,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 00:01:57,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:57,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 00:01:57,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:57,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 00:01:57,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:01:57,663 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 00:01:57,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:01:57,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369941025] [2024-10-13 00:01:57,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369941025] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:01:57,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:01:57,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 00:01:57,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252872124] [2024-10-13 00:01:57,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:01:57,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 00:01:57,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:01:57,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 00:01:57,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-10-13 00:01:57,665 INFO L87 Difference]: Start difference. First operand 373 states and 573 transitions. Second operand has 10 states, 10 states have (on average 3.5) internal successors, (35), 10 states have internal predecessors, (35), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:01:58,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:01:58,755 INFO L93 Difference]: Finished difference Result 573 states and 863 transitions. [2024-10-13 00:01:58,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 00:01:58,755 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.5) internal successors, (35), 10 states have internal predecessors, (35), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 167 [2024-10-13 00:01:58,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:01:58,758 INFO L225 Difference]: With dead ends: 573 [2024-10-13 00:01:58,759 INFO L226 Difference]: Without dead ends: 571 [2024-10-13 00:01:58,759 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2024-10-13 00:01:58,760 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 212 mSDsluCounter, 578 mSDsCounter, 0 mSdLazyCounter, 446 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 736 SdHoareTripleChecker+Invalid, 489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-13 00:01:58,760 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 736 Invalid, 489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 446 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-13 00:01:58,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2024-10-13 00:01:58,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 548. [2024-10-13 00:01:58,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 548 states, 415 states have (on average 1.4216867469879517) internal successors, (590), 421 states have internal predecessors, (590), 122 states have call successors, (122), 10 states have call predecessors, (122), 10 states have return successors, (122), 116 states have call predecessors, (122), 122 states have call successors, (122) [2024-10-13 00:01:58,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 834 transitions. [2024-10-13 00:01:58,851 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 834 transitions. Word has length 167 [2024-10-13 00:01:58,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:01:58,852 INFO L471 AbstractCegarLoop]: Abstraction has 548 states and 834 transitions. [2024-10-13 00:01:58,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.5) internal successors, (35), 10 states have internal predecessors, (35), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:01:58,852 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 834 transitions. [2024-10-13 00:01:58,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-10-13 00:01:58,853 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:01:58,854 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:01:58,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-13 00:01:58,854 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:01:58,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:01:58,855 INFO L85 PathProgramCache]: Analyzing trace with hash -737012168, now seen corresponding path program 1 times [2024-10-13 00:01:58,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:01:58,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123648647] [2024-10-13 00:01:58,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:01:58,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:01:58,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:03,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:02:03,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:03,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 00:02:03,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:03,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 00:02:03,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:03,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 00:02:03,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:03,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 00:02:03,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:03,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 00:02:03,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:03,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 00:02:03,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:03,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 00:02:03,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:03,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 00:02:03,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:03,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 00:02:03,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:03,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 00:02:03,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:03,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 00:02:03,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:03,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 00:02:03,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:03,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 00:02:03,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:03,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 00:02:03,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:03,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 00:02:03,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:03,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 00:02:03,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:03,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:02:03,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:03,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 00:02:03,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:03,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 00:02:03,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:03,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 00:02:03,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:03,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 00:02:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:03,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 00:02:03,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:03,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 00:02:03,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:03,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 00:02:03,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:03,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 00:02:03,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:03,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 00:02:03,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:03,138 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 00:02:03,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:02:03,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123648647] [2024-10-13 00:02:03,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123648647] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:02:03,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:02:03,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 00:02:03,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119746147] [2024-10-13 00:02:03,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:02:03,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 00:02:03,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:02:03,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 00:02:03,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-10-13 00:02:03,141 INFO L87 Difference]: Start difference. First operand 548 states and 834 transitions. Second operand has 10 states, 10 states have (on average 3.5) internal successors, (35), 10 states have internal predecessors, (35), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:02:04,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:02:04,161 INFO L93 Difference]: Finished difference Result 1198 states and 1817 transitions. [2024-10-13 00:02:04,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 00:02:04,162 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.5) internal successors, (35), 10 states have internal predecessors, (35), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 167 [2024-10-13 00:02:04,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:02:04,166 INFO L225 Difference]: With dead ends: 1198 [2024-10-13 00:02:04,166 INFO L226 Difference]: Without dead ends: 661 [2024-10-13 00:02:04,168 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-10-13 00:02:04,169 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 258 mSDsluCounter, 510 mSDsCounter, 0 mSdLazyCounter, 619 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 679 SdHoareTripleChecker+Invalid, 680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-13 00:02:04,169 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 679 Invalid, 680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 619 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-13 00:02:04,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2024-10-13 00:02:04,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 567. [2024-10-13 00:02:04,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 567 states, 434 states have (on average 1.4193548387096775) internal successors, (616), 440 states have internal predecessors, (616), 122 states have call successors, (122), 10 states have call predecessors, (122), 10 states have return successors, (122), 116 states have call predecessors, (122), 122 states have call successors, (122) [2024-10-13 00:02:04,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 567 states and 860 transitions. [2024-10-13 00:02:04,273 INFO L78 Accepts]: Start accepts. Automaton has 567 states and 860 transitions. Word has length 167 [2024-10-13 00:02:04,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:02:04,273 INFO L471 AbstractCegarLoop]: Abstraction has 567 states and 860 transitions. [2024-10-13 00:02:04,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.5) internal successors, (35), 10 states have internal predecessors, (35), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:02:04,274 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 860 transitions. [2024-10-13 00:02:04,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2024-10-13 00:02:04,275 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:02:04,275 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:02:04,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-13 00:02:04,276 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:02:04,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:02:04,276 INFO L85 PathProgramCache]: Analyzing trace with hash -56953798, now seen corresponding path program 1 times [2024-10-13 00:02:04,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:02:04,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274330103] [2024-10-13 00:02:04,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:02:04,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:02:04,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:09,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:02:09,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:09,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 00:02:09,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:09,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 00:02:09,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:09,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 00:02:09,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:09,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 00:02:09,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:09,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 00:02:09,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:09,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 00:02:09,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:09,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 00:02:09,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:09,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 00:02:09,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:09,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 00:02:09,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:09,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 00:02:09,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:09,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 00:02:09,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:09,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 00:02:09,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:09,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 00:02:09,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:09,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 00:02:09,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:09,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 00:02:09,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:09,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 00:02:09,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:09,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:02:09,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:09,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 00:02:09,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:09,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 00:02:09,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:09,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 00:02:09,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:09,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 00:02:09,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:09,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 00:02:09,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:09,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 00:02:09,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:09,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 00:02:09,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:09,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 00:02:09,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:09,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 00:02:09,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:09,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 00:02:09,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:02:09,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274330103] [2024-10-13 00:02:09,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274330103] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:02:09,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:02:09,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 00:02:09,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596791533] [2024-10-13 00:02:09,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:02:09,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 00:02:09,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:02:09,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 00:02:09,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-10-13 00:02:09,725 INFO L87 Difference]: Start difference. First operand 567 states and 860 transitions. Second operand has 10 states, 10 states have (on average 3.5) internal successors, (35), 10 states have internal predecessors, (35), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:02:11,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:02:11,264 INFO L93 Difference]: Finished difference Result 631 states and 946 transitions. [2024-10-13 00:02:11,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-13 00:02:11,264 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.5) internal successors, (35), 10 states have internal predecessors, (35), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 167 [2024-10-13 00:02:11,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:02:11,268 INFO L225 Difference]: With dead ends: 631 [2024-10-13 00:02:11,270 INFO L226 Difference]: Without dead ends: 629 [2024-10-13 00:02:11,271 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=72, Invalid=200, Unknown=0, NotChecked=0, Total=272 [2024-10-13 00:02:11,271 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 139 mSDsluCounter, 535 mSDsCounter, 0 mSdLazyCounter, 704 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 739 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 704 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-13 00:02:11,271 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 706 Invalid, 739 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 704 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-13 00:02:11,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2024-10-13 00:02:11,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 550. [2024-10-13 00:02:11,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 417 states have (on average 1.419664268585132) internal successors, (592), 423 states have internal predecessors, (592), 122 states have call successors, (122), 10 states have call predecessors, (122), 10 states have return successors, (122), 116 states have call predecessors, (122), 122 states have call successors, (122) [2024-10-13 00:02:11,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 836 transitions. [2024-10-13 00:02:11,373 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 836 transitions. Word has length 167 [2024-10-13 00:02:11,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:02:11,374 INFO L471 AbstractCegarLoop]: Abstraction has 550 states and 836 transitions. [2024-10-13 00:02:11,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.5) internal successors, (35), 10 states have internal predecessors, (35), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:02:11,374 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 836 transitions. [2024-10-13 00:02:11,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-10-13 00:02:11,375 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:02:11,375 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:02:11,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-13 00:02:11,376 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:02:11,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:02:11,376 INFO L85 PathProgramCache]: Analyzing trace with hash -880803884, now seen corresponding path program 1 times [2024-10-13 00:02:11,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:02:11,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712018226] [2024-10-13 00:02:11,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:02:11,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:02:11,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:15,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:02:15,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:15,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 00:02:15,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:15,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 00:02:15,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:15,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 00:02:15,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:15,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 00:02:15,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:15,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 00:02:15,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:15,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 00:02:15,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:15,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 00:02:15,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:15,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 00:02:15,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:15,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 00:02:15,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:15,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 00:02:15,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:15,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 00:02:15,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:15,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 00:02:15,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:15,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 00:02:15,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:15,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 00:02:15,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:15,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 00:02:15,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:15,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 00:02:15,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:15,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:02:15,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:15,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 00:02:15,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:15,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 00:02:15,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:15,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 00:02:15,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:15,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 00:02:15,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:15,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 00:02:15,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:15,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 00:02:15,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:15,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 00:02:15,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:15,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 00:02:15,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:15,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 00:02:15,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:15,401 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 00:02:15,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:02:15,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712018226] [2024-10-13 00:02:15,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712018226] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:02:15,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:02:15,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-13 00:02:15,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831555676] [2024-10-13 00:02:15,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:02:15,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 00:02:15,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:02:15,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 00:02:15,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-10-13 00:02:15,403 INFO L87 Difference]: Start difference. First operand 550 states and 836 transitions. Second operand has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:02:16,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 00:02:16,744 INFO L93 Difference]: Finished difference Result 774 states and 1146 transitions. [2024-10-13 00:02:16,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 00:02:16,745 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 168 [2024-10-13 00:02:16,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 00:02:16,749 INFO L225 Difference]: With dead ends: 774 [2024-10-13 00:02:16,749 INFO L226 Difference]: Without dead ends: 772 [2024-10-13 00:02:16,750 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-10-13 00:02:16,750 INFO L432 NwaCegarLoop]: 217 mSDtfsCounter, 192 mSDsluCounter, 980 mSDsCounter, 0 mSdLazyCounter, 770 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 1197 SdHoareTripleChecker+Invalid, 789 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 770 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-13 00:02:16,750 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 1197 Invalid, 789 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 770 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-13 00:02:16,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 772 states. [2024-10-13 00:02:16,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 772 to 621. [2024-10-13 00:02:16,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 621 states, 482 states have (on average 1.437759336099585) internal successors, (693), 490 states have internal predecessors, (693), 126 states have call successors, (126), 12 states have call predecessors, (126), 12 states have return successors, (126), 118 states have call predecessors, (126), 126 states have call successors, (126) [2024-10-13 00:02:16,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 945 transitions. [2024-10-13 00:02:16,857 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 945 transitions. Word has length 168 [2024-10-13 00:02:16,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 00:02:16,858 INFO L471 AbstractCegarLoop]: Abstraction has 621 states and 945 transitions. [2024-10-13 00:02:16,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-10-13 00:02:16,858 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 945 transitions. [2024-10-13 00:02:16,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-10-13 00:02:16,859 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 00:02:16,860 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 00:02:16,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-13 00:02:16,860 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 00:02:16,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 00:02:16,860 INFO L85 PathProgramCache]: Analyzing trace with hash -200745514, now seen corresponding path program 1 times [2024-10-13 00:02:16,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 00:02:16,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053760445] [2024-10-13 00:02:16,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 00:02:16,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 00:02:16,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:20,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 00:02:20,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:20,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-13 00:02:20,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:20,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 00:02:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:20,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-13 00:02:20,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:20,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-13 00:02:20,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:20,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 00:02:20,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:20,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-13 00:02:20,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:20,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-13 00:02:20,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:20,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 00:02:20,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:20,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-13 00:02:20,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:20,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-13 00:02:20,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:20,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 00:02:20,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:20,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 00:02:20,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:20,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-13 00:02:20,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:20,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-13 00:02:20,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:20,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-13 00:02:20,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:20,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 00:02:20,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:20,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 00:02:20,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:20,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-13 00:02:20,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:20,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 00:02:20,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:20,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-13 00:02:20,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:20,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-13 00:02:20,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:20,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-13 00:02:20,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:20,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-13 00:02:20,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:20,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-13 00:02:20,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:20,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-13 00:02:20,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:20,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-13 00:02:20,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 00:02:20,460 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-13 00:02:20,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 00:02:20,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053760445] [2024-10-13 00:02:20,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053760445] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 00:02:20,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 00:02:20,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-13 00:02:20,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499336746] [2024-10-13 00:02:20,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 00:02:20,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-13 00:02:20,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 00:02:20,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-13 00:02:20,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-10-13 00:02:20,463 INFO L87 Difference]: Start difference. First operand 621 states and 945 transitions. Second operand has 13 states, 13 states have (on average 2.769230769230769) internal successors, (36), 13 states have internal predecessors, (36), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27)