./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-81.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 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-81.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4ec23d859d65533fc787a9c2fed70b8c69daa3b1ed2a3fca10d530d490a26e0e --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 07:34:41,785 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 07:34:41,859 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 07:34:41,864 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 07:34:41,866 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 07:34:41,911 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 07:34:41,911 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 07:34:41,912 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 07:34:41,913 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 07:34:41,916 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 07:34:41,916 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 07:34:41,917 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 07:34:41,917 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 07:34:41,917 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 07:34:41,918 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 07:34:41,918 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 07:34:41,918 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 07:34:41,918 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 07:34:41,918 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 07:34:41,919 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 07:34:41,919 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 07:34:41,922 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 07:34:41,923 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 07:34:41,923 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 07:34:41,923 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 07:34:41,923 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 07:34:41,923 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 07:34:41,924 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 07:34:41,924 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 07:34:41,925 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 07:34:41,925 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 07:34:41,925 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 07:34:41,926 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 07:34:41,926 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 07:34:41,926 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 07:34:41,927 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 07:34:41,927 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 07:34:41,927 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 07:34:41,927 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 07:34:41,927 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 07:34:41,928 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 07:34:41,928 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 07:34:41,928 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ec23d859d65533fc787a9c2fed70b8c69daa3b1ed2a3fca10d530d490a26e0e [2024-10-14 07:34:42,235 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 07:34:42,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 07:34:42,264 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 07:34:42,265 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 07:34:42,266 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 07:34:42,268 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-81.i [2024-10-14 07:34:43,718 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 07:34:43,947 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 07:34:43,949 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-81.i [2024-10-14 07:34:43,962 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc79a6c20/1809804cfade42feb24d5669fae9d2d3/FLAGdf68bf812 [2024-10-14 07:34:43,980 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc79a6c20/1809804cfade42feb24d5669fae9d2d3 [2024-10-14 07:34:43,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 07:34:43,985 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 07:34:43,987 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 07:34:43,987 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 07:34:43,994 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 07:34:43,994 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:34:43" (1/1) ... [2024-10-14 07:34:43,995 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74e15073 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:34:43, skipping insertion in model container [2024-10-14 07:34:43,996 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 07:34:43" (1/1) ... [2024-10-14 07:34:44,025 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 07:34:44,184 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-81.i[913,926] [2024-10-14 07:34:44,246 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 07:34:44,258 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 07:34:44,268 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-81.i[913,926] [2024-10-14 07:34:44,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 07:34:44,317 INFO L204 MainTranslator]: Completed translation [2024-10-14 07:34:44,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:34:44 WrapperNode [2024-10-14 07:34:44,317 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 07:34:44,318 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 07:34:44,319 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 07:34:44,319 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 07:34:44,325 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:34:44" (1/1) ... [2024-10-14 07:34:44,337 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:34:44" (1/1) ... [2024-10-14 07:34:44,380 INFO L138 Inliner]: procedures = 26, calls = 45, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 189 [2024-10-14 07:34:44,381 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 07:34:44,381 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 07:34:44,381 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 07:34:44,382 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 07:34:44,395 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:34:44" (1/1) ... [2024-10-14 07:34:44,395 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:34:44" (1/1) ... [2024-10-14 07:34:44,400 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:34:44" (1/1) ... [2024-10-14 07:34:44,432 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]. [2024-10-14 07:34:44,432 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:34:44" (1/1) ... [2024-10-14 07:34:44,432 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:34:44" (1/1) ... [2024-10-14 07:34:44,448 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:34:44" (1/1) ... [2024-10-14 07:34:44,458 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:34:44" (1/1) ... [2024-10-14 07:34:44,460 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:34:44" (1/1) ... [2024-10-14 07:34:44,466 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:34:44" (1/1) ... [2024-10-14 07:34:44,474 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 07:34:44,475 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 07:34:44,475 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 07:34:44,476 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 07:34:44,478 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:34:44" (1/1) ... [2024-10-14 07:34:44,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 07:34:44,494 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 07:34:44,516 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) [2024-10-14 07:34:44,518 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 [2024-10-14 07:34:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 07:34:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 07:34:44,557 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 07:34:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 07:34:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 07:34:44,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 07:34:44,626 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 07:34:44,628 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 07:34:45,080 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-10-14 07:34:45,081 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 07:34:45,125 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 07:34:45,125 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 07:34:45,125 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:34:45 BoogieIcfgContainer [2024-10-14 07:34:45,126 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 07:34:45,129 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 07:34:45,129 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 07:34:45,134 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 07:34:45,134 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 07:34:43" (1/3) ... [2024-10-14 07:34:45,136 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@428bcc58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:34:45, skipping insertion in model container [2024-10-14 07:34:45,136 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 07:34:44" (2/3) ... [2024-10-14 07:34:45,137 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@428bcc58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 07:34:45, skipping insertion in model container [2024-10-14 07:34:45,137 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 07:34:45" (3/3) ... [2024-10-14 07:34:45,138 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-81.i [2024-10-14 07:34:45,152 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 07:34:45,152 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 07:34:45,210 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 07:34:45,216 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;@281d414a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 07:34:45,217 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 07:34:45,220 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 44 states have (on average 1.4090909090909092) internal successors, (62), 45 states have internal predecessors, (62), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-14 07:34:45,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-10-14 07:34:45,235 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:34:45,236 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 07:34:45,237 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:34:45,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:34:45,243 INFO L85 PathProgramCache]: Analyzing trace with hash 954418433, now seen corresponding path program 1 times [2024-10-14 07:34:45,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 07:34:45,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969653970] [2024-10-14 07:34:45,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:34:45,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 07:34:45,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:34:45,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 07:34:45,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:34:45,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 07:34:45,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:34:45,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 07:34:45,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:34:45,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 07:34:45,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:34:45,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 07:34:45,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:34:45,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 07:34:45,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:34:45,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 07:34:45,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:34:45,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 07:34:45,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:34:45,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 07:34:45,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:34:45,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 07:34:45,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:34:45,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 07:34:45,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:34:45,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 07:34:45,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:34:45,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 07:34:45,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:34:45,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 07:34:45,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:34:45,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 07:34:45,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:34:45,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 07:34:45,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:34:45,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 07:34:45,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:34:45,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 07:34:45,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:34:45,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 07:34:45,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:34:45,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 07:34:45,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:34:45,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 07:34:45,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:34:45,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 07:34:45,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:34:45,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 07:34:45,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:34:45,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 07:34:45,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:34:45,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 07:34:45,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:34:45,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 07:34:45,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:34:45,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 07:34:45,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:34:45,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 07:34:45,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:34:45,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 07:34:45,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:34:45,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 07:34:45,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:34:45,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 07:34:45,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:34:45,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 07:34:45,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:34:45,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-14 07:34:45,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 07:34:45,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969653970] [2024-10-14 07:34:45,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969653970] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 07:34:45,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 07:34:45,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 07:34:45,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420347881] [2024-10-14 07:34:45,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 07:34:45,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 07:34:45,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 07:34:45,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 07:34:45,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 07:34:45,935 INFO L87 Difference]: Start difference. First operand has 79 states, 44 states have (on average 1.4090909090909092) internal successors, (62), 45 states have internal predecessors, (62), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) [2024-10-14 07:34:46,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 07:34:46,046 INFO L93 Difference]: Finished difference Result 155 states and 282 transitions. [2024-10-14 07:34:46,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 07:34:46,051 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) Word has length 191 [2024-10-14 07:34:46,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 07:34:46,060 INFO L225 Difference]: With dead ends: 155 [2024-10-14 07:34:46,060 INFO L226 Difference]: Without dead ends: 77 [2024-10-14 07:34:46,066 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 07:34:46,072 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 07:34:46,075 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 117 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 07:34:46,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-10-14 07:34:46,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2024-10-14 07:34:46,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 43 states have internal predecessors, (57), 32 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-10-14 07:34:46,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 121 transitions. [2024-10-14 07:34:46,125 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 121 transitions. Word has length 191 [2024-10-14 07:34:46,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 07:34:46,129 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 121 transitions. [2024-10-14 07:34:46,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 2 states have call successors, (32) [2024-10-14 07:34:46,129 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 121 transitions. [2024-10-14 07:34:46,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-10-14 07:34:46,133 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:34:46,134 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 07:34:46,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 07:34:46,136 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:34:46,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:34:46,137 INFO L85 PathProgramCache]: Analyzing trace with hash -158268159, now seen corresponding path program 1 times [2024-10-14 07:34:46,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 07:34:46,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65912988] [2024-10-14 07:34:46,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:34:46,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 07:34:46,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:05,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 07:35:05,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:05,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 07:35:05,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:05,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 07:35:05,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:05,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 07:35:05,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:05,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 07:35:05,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:05,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 07:35:05,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:05,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 07:35:05,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:05,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 07:35:05,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:05,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 07:35:05,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:05,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 07:35:05,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:05,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 07:35:05,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:05,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 07:35:05,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:05,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 07:35:05,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:05,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 07:35:05,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:05,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 07:35:05,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:05,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 07:35:05,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:05,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 07:35:05,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:05,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 07:35:05,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:05,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 07:35:05,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:05,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 07:35:05,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:05,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 07:35:05,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:05,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 07:35:05,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:05,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 07:35:05,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:05,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 07:35:05,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:05,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 07:35:05,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:05,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 07:35:05,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:05,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 07:35:05,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:05,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 07:35:05,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:05,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 07:35:05,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:05,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 07:35:05,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:05,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 07:35:05,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:05,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 07:35:05,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:05,172 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-14 07:35:05,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 07:35:05,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65912988] [2024-10-14 07:35:05,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65912988] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 07:35:05,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 07:35:05,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-14 07:35:05,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278481091] [2024-10-14 07:35:05,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 07:35:05,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 07:35:05,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 07:35:05,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 07:35:05,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2024-10-14 07:35:05,179 INFO L87 Difference]: Start difference. First operand 77 states and 121 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, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 07:35:06,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 07:35:06,162 INFO L93 Difference]: Finished difference Result 271 states and 410 transitions. [2024-10-14 07:35:06,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 07:35:06,166 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, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 191 [2024-10-14 07:35:06,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 07:35:06,173 INFO L225 Difference]: With dead ends: 271 [2024-10-14 07:35:06,174 INFO L226 Difference]: Without dead ends: 195 [2024-10-14 07:35:06,176 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2024-10-14 07:35:06,177 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 260 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 07:35:06,180 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 374 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 07:35:06,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-10-14 07:35:06,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 119. [2024-10-14 07:35:06,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 78 states have (on average 1.4230769230769231) internal successors, (111), 79 states have internal predecessors, (111), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-14 07:35:06,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 187 transitions. [2024-10-14 07:35:06,223 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 187 transitions. Word has length 191 [2024-10-14 07:35:06,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 07:35:06,224 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 187 transitions. [2024-10-14 07:35:06,224 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, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 07:35:06,224 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 187 transitions. [2024-10-14 07:35:06,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-10-14 07:35:06,228 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:35:06,228 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 07:35:06,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 07:35:06,229 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:35:06,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:35:06,229 INFO L85 PathProgramCache]: Analyzing trace with hash 542796419, now seen corresponding path program 1 times [2024-10-14 07:35:06,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 07:35:06,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903045840] [2024-10-14 07:35:06,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:35:06,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 07:35:06,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:17,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 07:35:17,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:17,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 07:35:17,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:17,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 07:35:17,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:17,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 07:35:17,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:17,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 07:35:17,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:17,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 07:35:17,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:17,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 07:35:17,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:17,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 07:35:17,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:17,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 07:35:17,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:17,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 07:35:17,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:17,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 07:35:17,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:17,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 07:35:17,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:17,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 07:35:17,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:17,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 07:35:17,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:17,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 07:35:17,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:17,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 07:35:17,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:17,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 07:35:17,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:17,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 07:35:17,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:17,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 07:35:17,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:17,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 07:35:17,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:17,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 07:35:17,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:17,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 07:35:17,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:17,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 07:35:17,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:17,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 07:35:17,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:17,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 07:35:17,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:17,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 07:35:17,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:17,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 07:35:17,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:17,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 07:35:17,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:17,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 07:35:17,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:17,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 07:35:17,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:17,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 07:35:17,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:17,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 07:35:17,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:17,480 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-14 07:35:17,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 07:35:17,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903045840] [2024-10-14 07:35:17,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903045840] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 07:35:17,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 07:35:17,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-14 07:35:17,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620774492] [2024-10-14 07:35:17,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 07:35:17,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 07:35:17,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 07:35:17,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 07:35:17,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2024-10-14 07:35:17,486 INFO L87 Difference]: Start difference. First operand 119 states and 187 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, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 07:35:18,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 07:35:18,152 INFO L93 Difference]: Finished difference Result 273 states and 421 transitions. [2024-10-14 07:35:18,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 07:35:18,153 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, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 191 [2024-10-14 07:35:18,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 07:35:18,157 INFO L225 Difference]: With dead ends: 273 [2024-10-14 07:35:18,157 INFO L226 Difference]: Without dead ends: 155 [2024-10-14 07:35:18,158 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=58, Invalid=74, Unknown=0, NotChecked=0, Total=132 [2024-10-14 07:35:18,160 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 139 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 07:35:18,161 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 371 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 07:35:18,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-10-14 07:35:18,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 118. [2024-10-14 07:35:18,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 77 states have (on average 1.4155844155844155) internal successors, (109), 78 states have internal predecessors, (109), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-14 07:35:18,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 185 transitions. [2024-10-14 07:35:18,187 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 185 transitions. Word has length 191 [2024-10-14 07:35:18,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 07:35:18,188 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 185 transitions. [2024-10-14 07:35:18,188 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, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 07:35:18,188 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 185 transitions. [2024-10-14 07:35:18,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-10-14 07:35:18,191 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:35:18,192 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 07:35:18,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 07:35:18,192 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:35:18,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:35:18,193 INFO L85 PathProgramCache]: Analyzing trace with hash -745074173, now seen corresponding path program 1 times [2024-10-14 07:35:18,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 07:35:18,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59157059] [2024-10-14 07:35:18,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:35:18,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 07:35:18,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 07:35:18,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 07:35:18,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 07:35:18,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 07:35:18,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 07:35:18,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 07:35:18,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 07:35:18,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 07:35:18,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 07:35:18,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 07:35:18,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 07:35:18,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 07:35:18,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 07:35:18,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 07:35:18,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 07:35:18,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 07:35:18,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 07:35:18,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 07:35:18,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 07:35:18,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 07:35:18,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 07:35:18,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 07:35:18,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 07:35:18,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 07:35:18,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 07:35:18,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 07:35:18,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 07:35:18,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 07:35:18,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 07:35:18,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 07:35:18,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 07:35:18,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 07:35:18,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-14 07:35:18,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 07:35:18,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59157059] [2024-10-14 07:35:18,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59157059] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 07:35:18,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 07:35:18,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 07:35:18,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909298612] [2024-10-14 07:35:18,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 07:35:18,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 07:35:18,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 07:35:18,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 07:35:18,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 07:35:18,567 INFO L87 Difference]: Start difference. First operand 118 states and 185 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, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 07:35:18,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 07:35:18,767 INFO L93 Difference]: Finished difference Result 325 states and 509 transitions. [2024-10-14 07:35:18,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 07:35:18,769 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, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 191 [2024-10-14 07:35:18,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 07:35:18,774 INFO L225 Difference]: With dead ends: 325 [2024-10-14 07:35:18,774 INFO L226 Difference]: Without dead ends: 208 [2024-10-14 07:35:18,775 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 07:35:18,776 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 64 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 07:35:18,777 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 292 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 07:35:18,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2024-10-14 07:35:18,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 206. [2024-10-14 07:35:18,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 125 states have (on average 1.368) internal successors, (171), 127 states have internal predecessors, (171), 76 states have call successors, (76), 4 states have call predecessors, (76), 4 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76) [2024-10-14 07:35:18,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 323 transitions. [2024-10-14 07:35:18,836 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 323 transitions. Word has length 191 [2024-10-14 07:35:18,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 07:35:18,837 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 323 transitions. [2024-10-14 07:35:18,837 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, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 07:35:18,838 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 323 transitions. [2024-10-14 07:35:18,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-10-14 07:35:18,840 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:35:18,841 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 07:35:18,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 07:35:18,841 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:35:18,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:35:18,842 INFO L85 PathProgramCache]: Analyzing trace with hash 2053488025, now seen corresponding path program 1 times [2024-10-14 07:35:18,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 07:35:18,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796299721] [2024-10-14 07:35:18,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:35:18,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 07:35:18,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 07:35:18,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 07:35:18,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 07:35:18,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 07:35:18,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 07:35:18,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 07:35:18,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 07:35:18,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 07:35:18,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 07:35:18,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 07:35:18,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 07:35:18,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 07:35:18,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 07:35:18,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 07:35:18,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 07:35:18,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 07:35:18,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 07:35:18,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 07:35:18,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 07:35:18,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 07:35:18,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 07:35:18,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 07:35:18,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 07:35:18,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 07:35:18,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 07:35:18,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 07:35:18,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 07:35:18,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 07:35:18,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 07:35:18,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 07:35:18,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 07:35:18,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 07:35:18,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:18,974 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-14 07:35:18,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 07:35:18,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796299721] [2024-10-14 07:35:18,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796299721] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 07:35:18,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 07:35:18,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 07:35:18,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143392460] [2024-10-14 07:35:18,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 07:35:18,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 07:35:18,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 07:35:18,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 07:35:18,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 07:35:18,979 INFO L87 Difference]: Start difference. First operand 206 states and 323 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 07:35:19,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 07:35:19,070 INFO L93 Difference]: Finished difference Result 514 states and 801 transitions. [2024-10-14 07:35:19,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 07:35:19,071 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 192 [2024-10-14 07:35:19,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 07:35:19,077 INFO L225 Difference]: With dead ends: 514 [2024-10-14 07:35:19,078 INFO L226 Difference]: Without dead ends: 322 [2024-10-14 07:35:19,079 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 07:35:19,080 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 50 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 07:35:19,080 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 248 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 07:35:19,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2024-10-14 07:35:19,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 318. [2024-10-14 07:35:19,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 208 states have (on average 1.3653846153846154) internal successors, (284), 213 states have internal predecessors, (284), 102 states have call successors, (102), 7 states have call predecessors, (102), 7 states have return successors, (102), 97 states have call predecessors, (102), 102 states have call successors, (102) [2024-10-14 07:35:19,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 488 transitions. [2024-10-14 07:35:19,159 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 488 transitions. Word has length 192 [2024-10-14 07:35:19,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 07:35:19,160 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 488 transitions. [2024-10-14 07:35:19,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 07:35:19,160 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 488 transitions. [2024-10-14 07:35:19,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-10-14 07:35:19,162 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:35:19,162 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 07:35:19,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 07:35:19,162 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:35:19,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:35:19,163 INFO L85 PathProgramCache]: Analyzing trace with hash 2110746327, now seen corresponding path program 1 times [2024-10-14 07:35:19,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 07:35:19,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349552433] [2024-10-14 07:35:19,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:35:19,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 07:35:19,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:25,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 07:35:25,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:25,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 07:35:25,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:25,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 07:35:25,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:25,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 07:35:25,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:25,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 07:35:25,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:25,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 07:35:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:25,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 07:35:25,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:25,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 07:35:25,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:25,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 07:35:25,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:25,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 07:35:25,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:25,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 07:35:25,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:25,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 07:35:25,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:25,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 07:35:25,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:25,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 07:35:25,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:25,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 07:35:25,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:25,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 07:35:25,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:25,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 07:35:25,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:25,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 07:35:25,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:25,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 07:35:25,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:25,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 07:35:25,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:25,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 07:35:25,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:25,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 07:35:25,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:25,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 07:35:25,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:25,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 07:35:25,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:25,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 07:35:25,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:25,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 07:35:25,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:25,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 07:35:25,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:25,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 07:35:25,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:25,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 07:35:25,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:25,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 07:35:25,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:25,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 07:35:25,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:25,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 07:35:25,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:25,315 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-14 07:35:25,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 07:35:25,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349552433] [2024-10-14 07:35:25,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349552433] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 07:35:25,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 07:35:25,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 07:35:25,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752097607] [2024-10-14 07:35:25,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 07:35:25,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 07:35:25,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 07:35:25,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 07:35:25,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-10-14 07:35:25,317 INFO L87 Difference]: Start difference. First operand 318 states and 488 transitions. Second operand has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 07:35:25,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 07:35:25,935 INFO L93 Difference]: Finished difference Result 545 states and 827 transitions. [2024-10-14 07:35:25,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 07:35:25,937 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 192 [2024-10-14 07:35:25,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 07:35:25,940 INFO L225 Difference]: With dead ends: 545 [2024-10-14 07:35:25,940 INFO L226 Difference]: Without dead ends: 354 [2024-10-14 07:35:25,941 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-10-14 07:35:25,942 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 115 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 07:35:25,942 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 496 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 07:35:25,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2024-10-14 07:35:26,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 318. [2024-10-14 07:35:26,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 318 states, 208 states have (on average 1.3605769230769231) internal successors, (283), 213 states have internal predecessors, (283), 102 states have call successors, (102), 7 states have call predecessors, (102), 7 states have return successors, (102), 97 states have call predecessors, (102), 102 states have call successors, (102) [2024-10-14 07:35:26,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 487 transitions. [2024-10-14 07:35:26,006 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 487 transitions. Word has length 192 [2024-10-14 07:35:26,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 07:35:26,007 INFO L471 AbstractCegarLoop]: Abstraction has 318 states and 487 transitions. [2024-10-14 07:35:26,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 07:35:26,007 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 487 transitions. [2024-10-14 07:35:26,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-10-14 07:35:26,009 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:35:26,010 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 07:35:26,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 07:35:26,010 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:35:26,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:35:26,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1926055531, now seen corresponding path program 1 times [2024-10-14 07:35:26,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 07:35:26,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830920440] [2024-10-14 07:35:26,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:35:26,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 07:35:26,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:30,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 07:35:30,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:30,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 07:35:30,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:30,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 07:35:30,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:30,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 07:35:30,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:30,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 07:35:30,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:30,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 07:35:30,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:30,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 07:35:30,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:30,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 07:35:30,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:30,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 07:35:30,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:30,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 07:35:30,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:30,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 07:35:30,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:30,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 07:35:30,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:30,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 07:35:30,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:30,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 07:35:30,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:30,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 07:35:30,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:30,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 07:35:30,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:30,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 07:35:30,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:30,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 07:35:30,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:30,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 07:35:30,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:30,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 07:35:30,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:30,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 07:35:30,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:30,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 07:35:30,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:30,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 07:35:30,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:30,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 07:35:30,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:30,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 07:35:30,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:30,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 07:35:30,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:30,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 07:35:30,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:30,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 07:35:30,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:30,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 07:35:30,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:30,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 07:35:30,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:30,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 07:35:30,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:30,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 07:35:30,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:30,473 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-14 07:35:30,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 07:35:30,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830920440] [2024-10-14 07:35:30,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830920440] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 07:35:30,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 07:35:30,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 07:35:30,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405017542] [2024-10-14 07:35:30,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 07:35:30,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 07:35:30,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 07:35:30,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 07:35:30,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-10-14 07:35:30,476 INFO L87 Difference]: Start difference. First operand 318 states and 487 transitions. Second operand has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 07:35:31,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 07:35:31,112 INFO L93 Difference]: Finished difference Result 527 states and 801 transitions. [2024-10-14 07:35:31,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 07:35:31,113 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 192 [2024-10-14 07:35:31,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 07:35:31,116 INFO L225 Difference]: With dead ends: 527 [2024-10-14 07:35:31,116 INFO L226 Difference]: Without dead ends: 336 [2024-10-14 07:35:31,117 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-10-14 07:35:31,121 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 105 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 07:35:31,122 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 289 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 07:35:31,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2024-10-14 07:35:31,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 313. [2024-10-14 07:35:31,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 203 states have (on average 1.354679802955665) internal successors, (275), 208 states have internal predecessors, (275), 102 states have call successors, (102), 7 states have call predecessors, (102), 7 states have return successors, (102), 97 states have call predecessors, (102), 102 states have call successors, (102) [2024-10-14 07:35:31,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 479 transitions. [2024-10-14 07:35:31,182 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 479 transitions. Word has length 192 [2024-10-14 07:35:31,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 07:35:31,183 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 479 transitions. [2024-10-14 07:35:31,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 07:35:31,183 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 479 transitions. [2024-10-14 07:35:31,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-10-14 07:35:31,184 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:35:31,185 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 07:35:31,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 07:35:31,186 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:35:31,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:35:31,186 INFO L85 PathProgramCache]: Analyzing trace with hash -789615305, now seen corresponding path program 1 times [2024-10-14 07:35:31,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 07:35:31,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077753634] [2024-10-14 07:35:31,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:35:31,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 07:35:31,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:31,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 07:35:31,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:31,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 07:35:31,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:31,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 07:35:31,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:31,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 07:35:31,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:31,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 07:35:31,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:31,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 07:35:31,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:31,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 07:35:31,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:31,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 07:35:31,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:31,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 07:35:31,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:31,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 07:35:31,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:31,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 07:35:31,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:31,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 07:35:31,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:31,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 07:35:31,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:31,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 07:35:31,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:31,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 07:35:31,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:31,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 07:35:31,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:31,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 07:35:31,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:31,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 07:35:31,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:31,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 07:35:31,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:31,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 07:35:31,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:31,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 07:35:31,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:31,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 07:35:31,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:31,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 07:35:31,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:31,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 07:35:31,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:31,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 07:35:31,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:31,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 07:35:31,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:31,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 07:35:31,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:31,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 07:35:31,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:31,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 07:35:31,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:31,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 07:35:31,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:31,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 07:35:31,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:31,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 07:35:31,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:31,309 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-14 07:35:31,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 07:35:31,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077753634] [2024-10-14 07:35:31,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077753634] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 07:35:31,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 07:35:31,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 07:35:31,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922464428] [2024-10-14 07:35:31,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 07:35:31,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 07:35:31,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 07:35:31,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 07:35:31,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 07:35:31,314 INFO L87 Difference]: Start difference. First operand 313 states and 479 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 07:35:31,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 07:35:31,407 INFO L93 Difference]: Finished difference Result 619 states and 942 transitions. [2024-10-14 07:35:31,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 07:35:31,408 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 192 [2024-10-14 07:35:31,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 07:35:31,411 INFO L225 Difference]: With dead ends: 619 [2024-10-14 07:35:31,411 INFO L226 Difference]: Without dead ends: 320 [2024-10-14 07:35:31,412 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 07:35:31,413 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 55 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 07:35:31,414 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 239 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 07:35:31,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2024-10-14 07:35:31,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 240. [2024-10-14 07:35:31,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 157 states have (on average 1.3439490445859872) internal successors, (211), 159 states have internal predecessors, (211), 76 states have call successors, (76), 6 states have call predecessors, (76), 6 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76) [2024-10-14 07:35:31,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 363 transitions. [2024-10-14 07:35:31,456 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 363 transitions. Word has length 192 [2024-10-14 07:35:31,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 07:35:31,457 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 363 transitions. [2024-10-14 07:35:31,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 07:35:31,457 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 363 transitions. [2024-10-14 07:35:31,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-10-14 07:35:31,460 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:35:31,460 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 07:35:31,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 07:35:31,460 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:35:31,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:35:31,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1182642315, now seen corresponding path program 1 times [2024-10-14 07:35:31,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 07:35:31,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633070036] [2024-10-14 07:35:31,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:35:31,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 07:35:31,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:37,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 07:35:37,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:37,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 07:35:37,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:37,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 07:35:37,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:37,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 07:35:37,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:37,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 07:35:37,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:37,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 07:35:37,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:37,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 07:35:37,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:37,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 07:35:37,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:37,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 07:35:37,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:37,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 07:35:37,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:37,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 07:35:37,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:37,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 07:35:37,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:37,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 07:35:37,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:37,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 07:35:37,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:37,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 07:35:37,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:37,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 07:35:37,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:37,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 07:35:37,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:37,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 07:35:37,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:37,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 07:35:37,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:37,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 07:35:37,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:37,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 07:35:37,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:37,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 07:35:37,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:37,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 07:35:37,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:37,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 07:35:37,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:37,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 07:35:37,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:37,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 07:35:37,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:37,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 07:35:37,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:37,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 07:35:37,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:37,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 07:35:37,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:37,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 07:35:37,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:37,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 07:35:37,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:37,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 07:35:37,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:37,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-14 07:35:37,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 07:35:37,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633070036] [2024-10-14 07:35:37,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633070036] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 07:35:37,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 07:35:37,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-14 07:35:37,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112643311] [2024-10-14 07:35:37,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 07:35:37,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 07:35:37,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 07:35:37,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 07:35:37,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-14 07:35:37,692 INFO L87 Difference]: Start difference. First operand 240 states and 363 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, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 07:35:38,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 07:35:38,130 INFO L93 Difference]: Finished difference Result 568 states and 850 transitions. [2024-10-14 07:35:38,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 07:35:38,131 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, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 192 [2024-10-14 07:35:38,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 07:35:38,134 INFO L225 Difference]: With dead ends: 568 [2024-10-14 07:35:38,134 INFO L226 Difference]: Without dead ends: 342 [2024-10-14 07:35:38,135 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2024-10-14 07:35:38,137 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 106 mSDsluCounter, 262 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 07:35:38,138 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 361 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 07:35:38,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2024-10-14 07:35:38,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 269. [2024-10-14 07:35:38,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 186 states have (on average 1.3548387096774193) internal successors, (252), 188 states have internal predecessors, (252), 76 states have call successors, (76), 6 states have call predecessors, (76), 6 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76) [2024-10-14 07:35:38,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 404 transitions. [2024-10-14 07:35:38,183 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 404 transitions. Word has length 192 [2024-10-14 07:35:38,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 07:35:38,184 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 404 transitions. [2024-10-14 07:35:38,184 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, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 07:35:38,184 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 404 transitions. [2024-10-14 07:35:38,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-10-14 07:35:38,186 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:35:38,186 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 07:35:38,186 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 07:35:38,186 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:35:38,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:35:38,187 INFO L85 PathProgramCache]: Analyzing trace with hash -481577737, now seen corresponding path program 1 times [2024-10-14 07:35:38,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 07:35:38,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056203625] [2024-10-14 07:35:38,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:35:38,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 07:35:38,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 07:35:44,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 07:35:44,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 07:35:44,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 07:35:44,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 07:35:44,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 07:35:44,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 07:35:44,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 07:35:44,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 07:35:44,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 07:35:44,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 07:35:44,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 07:35:44,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 07:35:44,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 07:35:44,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 07:35:44,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 07:35:44,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 07:35:44,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 07:35:44,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 07:35:44,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 07:35:44,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 07:35:44,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 07:35:44,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 07:35:44,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 07:35:44,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 07:35:44,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 07:35:44,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 07:35:44,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 07:35:44,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 07:35:44,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 07:35:44,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 07:35:44,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 07:35:44,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:44,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-14 07:35:44,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 07:35:44,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056203625] [2024-10-14 07:35:44,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056203625] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 07:35:44,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 07:35:44,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-14 07:35:44,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378990179] [2024-10-14 07:35:44,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 07:35:44,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 07:35:44,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 07:35:44,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 07:35:44,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-10-14 07:35:44,837 INFO L87 Difference]: Start difference. First operand 269 states and 404 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, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 07:35:45,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 07:35:45,322 INFO L93 Difference]: Finished difference Result 571 states and 854 transitions. [2024-10-14 07:35:45,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 07:35:45,323 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, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 192 [2024-10-14 07:35:45,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 07:35:45,326 INFO L225 Difference]: With dead ends: 571 [2024-10-14 07:35:45,327 INFO L226 Difference]: Without dead ends: 316 [2024-10-14 07:35:45,328 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2024-10-14 07:35:45,328 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 72 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 07:35:45,329 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 415 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 07:35:45,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2024-10-14 07:35:45,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 257. [2024-10-14 07:35:45,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 174 states have (on average 1.3505747126436782) internal successors, (235), 176 states have internal predecessors, (235), 76 states have call successors, (76), 6 states have call predecessors, (76), 6 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76) [2024-10-14 07:35:45,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 387 transitions. [2024-10-14 07:35:45,373 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 387 transitions. Word has length 192 [2024-10-14 07:35:45,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 07:35:45,374 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 387 transitions. [2024-10-14 07:35:45,374 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, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 07:35:45,374 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 387 transitions. [2024-10-14 07:35:45,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-10-14 07:35:45,376 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:35:45,376 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 07:35:45,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-14 07:35:45,376 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:35:45,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:35:45,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1099629077, now seen corresponding path program 1 times [2024-10-14 07:35:45,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 07:35:45,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462243305] [2024-10-14 07:35:45,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:35:45,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 07:35:45,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:49,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 07:35:49,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:49,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 07:35:49,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:49,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 07:35:49,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:49,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 07:35:49,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:49,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 07:35:49,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:49,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 07:35:49,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:49,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 07:35:49,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:49,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 07:35:49,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:49,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 07:35:49,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:49,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 07:35:49,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:49,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 07:35:49,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:49,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 07:35:49,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:49,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 07:35:49,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:49,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 07:35:49,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:49,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 07:35:49,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:49,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 07:35:49,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:49,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 07:35:49,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:49,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 07:35:49,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:49,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 07:35:49,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:49,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 07:35:49,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:49,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 07:35:49,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:49,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 07:35:49,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:49,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 07:35:49,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:49,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 07:35:49,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:49,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 07:35:49,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:49,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 07:35:49,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:49,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 07:35:49,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:49,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 07:35:49,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:49,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 07:35:49,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:49,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 07:35:49,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:49,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 07:35:49,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:49,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 07:35:49,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:49,579 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-14 07:35:49,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 07:35:49,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462243305] [2024-10-14 07:35:49,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462243305] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 07:35:49,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 07:35:49,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 07:35:49,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318188434] [2024-10-14 07:35:49,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 07:35:49,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 07:35:49,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 07:35:49,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 07:35:49,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-10-14 07:35:49,581 INFO L87 Difference]: Start difference. First operand 257 states and 387 transitions. Second operand has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 07:35:50,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 07:35:50,074 INFO L93 Difference]: Finished difference Result 613 states and 913 transitions. [2024-10-14 07:35:50,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 07:35:50,076 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 192 [2024-10-14 07:35:50,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 07:35:50,081 INFO L225 Difference]: With dead ends: 613 [2024-10-14 07:35:50,081 INFO L226 Difference]: Without dead ends: 370 [2024-10-14 07:35:50,082 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-10-14 07:35:50,083 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 190 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 07:35:50,083 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 279 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 07:35:50,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2024-10-14 07:35:50,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 274. [2024-10-14 07:35:50,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 191 states have (on average 1.361256544502618) internal successors, (260), 193 states have internal predecessors, (260), 76 states have call successors, (76), 6 states have call predecessors, (76), 6 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76) [2024-10-14 07:35:50,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 412 transitions. [2024-10-14 07:35:50,132 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 412 transitions. Word has length 192 [2024-10-14 07:35:50,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 07:35:50,132 INFO L471 AbstractCegarLoop]: Abstraction has 274 states and 412 transitions. [2024-10-14 07:35:50,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 07:35:50,133 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 412 transitions. [2024-10-14 07:35:50,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2024-10-14 07:35:50,134 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:35:50,134 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 07:35:50,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-14 07:35:50,134 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:35:50,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:35:50,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1357794515, now seen corresponding path program 1 times [2024-10-14 07:35:50,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 07:35:50,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952506741] [2024-10-14 07:35:50,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:35:50,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 07:35:50,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:53,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 07:35:53,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:53,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 07:35:53,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:53,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 07:35:53,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:53,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 07:35:53,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:53,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 07:35:53,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:53,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 07:35:53,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:53,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 07:35:53,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:53,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 07:35:53,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:53,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 07:35:53,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 07:35:54,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 07:35:54,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 07:35:54,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 07:35:54,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 07:35:54,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 07:35:54,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 07:35:54,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 07:35:54,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 07:35:54,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 07:35:54,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 07:35:54,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 07:35:54,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 07:35:54,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 07:35:54,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 07:35:54,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 07:35:54,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 07:35:54,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 07:35:54,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 07:35:54,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-14 07:35:54,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 07:35:54,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-14 07:35:54,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 07:35:54,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 07:35:54,034 INFO L134 CoverageAnalysis]: Checked inductivity of 1984 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2024-10-14 07:35:54,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 07:35:54,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952506741] [2024-10-14 07:35:54,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952506741] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 07:35:54,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 07:35:54,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 07:35:54,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180017241] [2024-10-14 07:35:54,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 07:35:54,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 07:35:54,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 07:35:54,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 07:35:54,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-10-14 07:35:54,037 INFO L87 Difference]: Start difference. First operand 274 states and 412 transitions. Second operand has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 07:35:54,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 07:35:54,478 INFO L93 Difference]: Finished difference Result 594 states and 888 transitions. [2024-10-14 07:35:54,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 07:35:54,479 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 192 [2024-10-14 07:35:54,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 07:35:54,482 INFO L225 Difference]: With dead ends: 594 [2024-10-14 07:35:54,484 INFO L226 Difference]: Without dead ends: 334 [2024-10-14 07:35:54,486 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2024-10-14 07:35:54,486 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 89 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 07:35:54,487 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 338 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 07:35:54,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2024-10-14 07:35:54,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 272. [2024-10-14 07:35:54,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 189 states have (on average 1.3650793650793651) internal successors, (258), 191 states have internal predecessors, (258), 76 states have call successors, (76), 6 states have call predecessors, (76), 6 states have return successors, (76), 74 states have call predecessors, (76), 76 states have call successors, (76) [2024-10-14 07:35:54,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 410 transitions. [2024-10-14 07:35:54,529 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 410 transitions. Word has length 192 [2024-10-14 07:35:54,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 07:35:54,530 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 410 transitions. [2024-10-14 07:35:54,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 1 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2024-10-14 07:35:54,530 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 410 transitions. [2024-10-14 07:35:54,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2024-10-14 07:35:54,531 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 07:35:54,531 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 07:35:54,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-14 07:35:54,532 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 07:35:54,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 07:35:54,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1990074406, now seen corresponding path program 1 times [2024-10-14 07:35:54,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 07:35:54,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831002828] [2024-10-14 07:35:54,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 07:35:54,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 07:35:54,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat