./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-86.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-86.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 517783448a287c62461a35f1bc15cb8b62fca77248cd9526eca120bea485e50a --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 02:04:03,840 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 02:04:03,921 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 02:04:03,928 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 02:04:03,930 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 02:04:03,956 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 02:04:03,957 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 02:04:03,957 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 02:04:03,958 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 02:04:03,958 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 02:04:03,959 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 02:04:03,959 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 02:04:03,960 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 02:04:03,960 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 02:04:03,961 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 02:04:03,961 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 02:04:03,962 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 02:04:03,962 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 02:04:03,962 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 02:04:03,963 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 02:04:03,963 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 02:04:03,964 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 02:04:03,964 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 02:04:03,964 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 02:04:03,964 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 02:04:03,965 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 02:04:03,965 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 02:04:03,965 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 02:04:03,965 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 02:04:03,966 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 02:04:03,966 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 02:04:03,966 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 02:04:03,967 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 02:04:03,967 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 02:04:03,971 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 02:04:03,971 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 02:04:03,971 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 02:04:03,972 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 02:04:03,972 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 02:04:03,972 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 02:04:03,972 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 02:04:03,973 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 02:04:03,974 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 517783448a287c62461a35f1bc15cb8b62fca77248cd9526eca120bea485e50a [2024-11-12 02:04:04,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 02:04:04,296 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 02:04:04,309 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 02:04:04,311 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 02:04:04,311 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 02:04:04,312 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-86.i [2024-11-12 02:04:05,839 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 02:04:06,054 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 02:04:06,055 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-86.i [2024-11-12 02:04:06,064 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cc878058/576bf43b82d34a479be2d4ba0be51507/FLAG0f9e7ed5a [2024-11-12 02:04:06,078 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cc878058/576bf43b82d34a479be2d4ba0be51507 [2024-11-12 02:04:06,081 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 02:04:06,082 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 02:04:06,083 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 02:04:06,083 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 02:04:06,090 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 02:04:06,091 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:04:06" (1/1) ... [2024-11-12 02:04:06,092 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ca7e276 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:06, skipping insertion in model container [2024-11-12 02:04:06,092 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:04:06" (1/1) ... [2024-11-12 02:04:06,129 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 02:04:06,314 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-86.i[915,928] [2024-11-12 02:04:06,409 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 02:04:06,433 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 02:04:06,446 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-86.i[915,928] [2024-11-12 02:04:06,508 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 02:04:06,544 INFO L204 MainTranslator]: Completed translation [2024-11-12 02:04:06,545 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:06 WrapperNode [2024-11-12 02:04:06,545 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 02:04:06,546 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 02:04:06,546 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 02:04:06,546 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 02:04:06,553 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:06" (1/1) ... [2024-11-12 02:04:06,564 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:06" (1/1) ... [2024-11-12 02:04:06,607 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 183 [2024-11-12 02:04:06,608 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 02:04:06,609 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 02:04:06,609 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 02:04:06,609 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 02:04:06,620 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:06" (1/1) ... [2024-11-12 02:04:06,621 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:06" (1/1) ... [2024-11-12 02:04:06,625 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:06" (1/1) ... [2024-11-12 02:04:06,651 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-12 02:04:06,651 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:06" (1/1) ... [2024-11-12 02:04:06,652 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:06" (1/1) ... [2024-11-12 02:04:06,661 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:06" (1/1) ... [2024-11-12 02:04:06,665 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:06" (1/1) ... [2024-11-12 02:04:06,668 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:06" (1/1) ... [2024-11-12 02:04:06,670 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:06" (1/1) ... [2024-11-12 02:04:06,676 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 02:04:06,677 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 02:04:06,677 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 02:04:06,677 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 02:04:06,679 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:06" (1/1) ... [2024-11-12 02:04:06,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 02:04:06,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 02:04:06,725 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 02:04:06,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 02:04:06,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 02:04:06,782 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 02:04:06,783 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 02:04:06,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 02:04:06,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 02:04:06,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 02:04:06,891 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 02:04:06,893 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 02:04:07,302 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-12 02:04:07,302 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 02:04:07,324 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 02:04:07,324 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 02:04:07,325 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:04:07 BoogieIcfgContainer [2024-11-12 02:04:07,325 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 02:04:07,329 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 02:04:07,329 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 02:04:07,333 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 02:04:07,334 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:04:06" (1/3) ... [2024-11-12 02:04:07,335 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b4c537f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:04:07, skipping insertion in model container [2024-11-12 02:04:07,336 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:04:06" (2/3) ... [2024-11-12 02:04:07,336 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b4c537f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:04:07, skipping insertion in model container [2024-11-12 02:04:07,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:04:07" (3/3) ... [2024-11-12 02:04:07,339 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-86.i [2024-11-12 02:04:07,363 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 02:04:07,363 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 02:04:07,427 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 02:04:07,436 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;@30b9e2f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 02:04:07,437 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 02:04:07,442 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 46 states have (on average 1.3478260869565217) internal successors, (62), 47 states have internal predecessors, (62), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-12 02:04:07,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-12 02:04:07,459 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:04:07,460 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:04:07,460 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:04:07,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:04:07,469 INFO L85 PathProgramCache]: Analyzing trace with hash -1316799682, now seen corresponding path program 1 times [2024-11-12 02:04:07,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:04:07,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730939676] [2024-11-12 02:04:07,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:04:07,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:04:07,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:07,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:04:07,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:07,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:04:07,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:07,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:04:07,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:07,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:04:07,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:07,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:04:07,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:07,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:04:07,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:07,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:04:07,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:07,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:04:07,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:07,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:04:07,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:07,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:04:07,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:07,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:04:07,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:07,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:04:07,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:07,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 02:04:07,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:07,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:04:07,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:07,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 02:04:07,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:07,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:04:08,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:08,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 02:04:08,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:08,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:04:08,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:08,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 02:04:08,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:08,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:04:08,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:08,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 02:04:08,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:08,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:04:08,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:08,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 02:04:08,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:08,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:04:08,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:08,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 02:04:08,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:08,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:04:08,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:08,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:04:08,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:08,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 02:04:08,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:08,099 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-12 02:04:08,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:04:08,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730939676] [2024-11-12 02:04:08,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730939676] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:04:08,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:04:08,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 02:04:08,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669396654] [2024-11-12 02:04:08,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:04:08,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 02:04:08,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:04:08,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 02:04:08,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 02:04:08,136 INFO L87 Difference]: Start difference. First operand has 77 states, 46 states have (on average 1.3478260869565217) internal successors, (62), 47 states have internal predecessors, (62), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-12 02:04:08,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:04:08,208 INFO L93 Difference]: Finished difference Result 147 states and 258 transitions. [2024-11-12 02:04:08,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 02:04:08,214 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) Word has length 175 [2024-11-12 02:04:08,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:04:08,227 INFO L225 Difference]: With dead ends: 147 [2024-11-12 02:04:08,231 INFO L226 Difference]: Without dead ends: 73 [2024-11-12 02:04:08,242 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 02:04:08,255 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 02:04:08,256 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 02:04:08,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-12 02:04:08,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2024-11-12 02:04:08,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 43 states have (on average 1.2790697674418605) internal successors, (55), 43 states have internal predecessors, (55), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-12 02:04:08,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 111 transitions. [2024-11-12 02:04:08,384 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 111 transitions. Word has length 175 [2024-11-12 02:04:08,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:04:08,386 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 111 transitions. [2024-11-12 02:04:08,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-12 02:04:08,387 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 111 transitions. [2024-11-12 02:04:08,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-12 02:04:08,392 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:04:08,393 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:04:08,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 02:04:08,394 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:04:08,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:04:08,395 INFO L85 PathProgramCache]: Analyzing trace with hash 436793602, now seen corresponding path program 1 times [2024-11-12 02:04:08,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:04:08,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443920555] [2024-11-12 02:04:08,396 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:04:08,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:04:08,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:08,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:04:08,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:08,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:04:08,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:08,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:04:08,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:08,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:04:08,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:08,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:04:08,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:08,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:04:08,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:08,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:04:08,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:08,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:04:08,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:08,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:04:08,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:08,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:04:08,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:08,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:04:08,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:08,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:04:08,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:08,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 02:04:08,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:09,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:04:09,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:09,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 02:04:09,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:09,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:04:09,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:09,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 02:04:09,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:09,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:04:09,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:09,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 02:04:09,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:09,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:04:09,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:09,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 02:04:09,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:09,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:04:09,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:09,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 02:04:09,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:09,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:04:09,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:09,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 02:04:09,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:09,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:04:09,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:09,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:04:09,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:09,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 02:04:09,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:09,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-12 02:04:09,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:04:09,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443920555] [2024-11-12 02:04:09,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443920555] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:04:09,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:04:09,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 02:04:09,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026038743] [2024-11-12 02:04:09,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:04:09,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 02:04:09,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:04:09,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 02:04:09,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 02:04:09,133 INFO L87 Difference]: Start difference. First operand 73 states and 111 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-12 02:04:09,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:04:09,520 INFO L93 Difference]: Finished difference Result 214 states and 328 transitions. [2024-11-12 02:04:09,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 02:04:09,522 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 175 [2024-11-12 02:04:09,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:04:09,525 INFO L225 Difference]: With dead ends: 214 [2024-11-12 02:04:09,526 INFO L226 Difference]: Without dead ends: 144 [2024-11-12 02:04:09,527 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-12 02:04:09,528 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 78 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 02:04:09,529 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 357 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 02:04:09,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-12 02:04:09,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 124. [2024-11-12 02:04:09,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 65 states have (on average 1.2) internal successors, (78), 65 states have internal predecessors, (78), 56 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-12 02:04:09,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 190 transitions. [2024-11-12 02:04:09,577 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 190 transitions. Word has length 175 [2024-11-12 02:04:09,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:04:09,579 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 190 transitions. [2024-11-12 02:04:09,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-12 02:04:09,580 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 190 transitions. [2024-11-12 02:04:09,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-12 02:04:09,585 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:04:09,586 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:04:09,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 02:04:09,586 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:04:09,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:04:09,587 INFO L85 PathProgramCache]: Analyzing trace with hash -574323648, now seen corresponding path program 1 times [2024-11-12 02:04:09,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:04:09,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887148968] [2024-11-12 02:04:09,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:04:09,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:04:09,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:18,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:04:18,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:18,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:04:18,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:18,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:04:18,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:18,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:04:18,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:18,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:04:18,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:18,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:04:18,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:18,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:04:18,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:18,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:04:18,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:18,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:04:18,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:18,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:04:18,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:18,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:04:18,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:18,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:04:18,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:18,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 02:04:18,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:18,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:04:18,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:18,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 02:04:18,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:18,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:04:18,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:18,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 02:04:18,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:18,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:04:18,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:18,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 02:04:18,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:18,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:04:18,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:18,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 02:04:18,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:18,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:04:18,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:18,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 02:04:18,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:18,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:04:18,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:18,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 02:04:18,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:18,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:04:18,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:18,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:04:18,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:18,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 02:04:18,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:18,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-12 02:04:18,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:04:18,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887148968] [2024-11-12 02:04:18,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887148968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:04:18,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:04:18,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-12 02:04:18,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021209641] [2024-11-12 02:04:18,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:04:18,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-12 02:04:18,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:04:18,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-12 02:04:18,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2024-11-12 02:04:18,382 INFO L87 Difference]: Start difference. First operand 124 states and 190 transitions. Second operand has 14 states, 14 states have (on average 2.7142857142857144) internal successors, (38), 14 states have internal predecessors, (38), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-12 02:04:22,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:04:22,132 INFO L93 Difference]: Finished difference Result 270 states and 404 transitions. [2024-11-12 02:04:22,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-12 02:04:22,134 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.7142857142857144) internal successors, (38), 14 states have internal predecessors, (38), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 175 [2024-11-12 02:04:22,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:04:22,137 INFO L225 Difference]: With dead ends: 270 [2024-11-12 02:04:22,137 INFO L226 Difference]: Without dead ends: 200 [2024-11-12 02:04:22,138 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=168, Invalid=482, Unknown=0, NotChecked=0, Total=650 [2024-11-12 02:04:22,139 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 260 mSDsluCounter, 570 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 667 SdHoareTripleChecker+Invalid, 424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-12 02:04:22,140 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 667 Invalid, 424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-12 02:04:22,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2024-11-12 02:04:22,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 141. [2024-11-12 02:04:22,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 82 states have (on average 1.2317073170731707) internal successors, (101), 82 states have internal predecessors, (101), 56 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-12 02:04:22,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 213 transitions. [2024-11-12 02:04:22,159 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 213 transitions. Word has length 175 [2024-11-12 02:04:22,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:04:22,159 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 213 transitions. [2024-11-12 02:04:22,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.7142857142857144) internal successors, (38), 14 states have internal predecessors, (38), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-12 02:04:22,160 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 213 transitions. [2024-11-12 02:04:22,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-12 02:04:22,162 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:04:22,162 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:04:22,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 02:04:22,163 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:04:22,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:04:22,164 INFO L85 PathProgramCache]: Analyzing trace with hash 126740930, now seen corresponding path program 1 times [2024-11-12 02:04:22,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:04:22,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298364138] [2024-11-12 02:04:22,164 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:04:22,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:04:22,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:22,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:04:22,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:22,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:04:22,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:22,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:04:22,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:22,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:04:22,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:22,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:04:22,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:22,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:04:22,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:22,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:04:22,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:22,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:04:22,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:22,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:04:22,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:22,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:04:22,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:22,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:04:22,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:22,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:04:22,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:22,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 02:04:22,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:22,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:04:22,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:22,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 02:04:22,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:22,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:04:22,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:22,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 02:04:22,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:22,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:04:22,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:22,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 02:04:22,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:22,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:04:22,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:22,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 02:04:22,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:22,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:04:22,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:22,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 02:04:22,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:22,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:04:22,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:22,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 02:04:22,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:22,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:04:22,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:22,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:04:22,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:22,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 02:04:22,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:22,294 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-12 02:04:22,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:04:22,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298364138] [2024-11-12 02:04:22,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [298364138] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:04:22,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:04:22,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 02:04:22,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317823812] [2024-11-12 02:04:22,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:04:22,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 02:04:22,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:04:22,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 02:04:22,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 02:04:22,298 INFO L87 Difference]: Start difference. First operand 141 states and 213 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-12 02:04:22,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:04:22,346 INFO L93 Difference]: Finished difference Result 280 states and 427 transitions. [2024-11-12 02:04:22,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 02:04:22,347 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 175 [2024-11-12 02:04:22,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:04:22,353 INFO L225 Difference]: With dead ends: 280 [2024-11-12 02:04:22,353 INFO L226 Difference]: Without dead ends: 210 [2024-11-12 02:04:22,355 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 02:04:22,356 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 103 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 02:04:22,356 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 222 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 02:04:22,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-11-12 02:04:22,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 208. [2024-11-12 02:04:22,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 120 states have (on average 1.225) internal successors, (147), 120 states have internal predecessors, (147), 84 states have call successors, (84), 3 states have call predecessors, (84), 3 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-12 02:04:22,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 315 transitions. [2024-11-12 02:04:22,397 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 315 transitions. Word has length 175 [2024-11-12 02:04:22,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:04:22,398 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 315 transitions. [2024-11-12 02:04:22,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-12 02:04:22,398 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 315 transitions. [2024-11-12 02:04:22,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-12 02:04:22,400 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:04:22,400 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:04:22,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 02:04:22,400 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:04:22,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:04:22,401 INFO L85 PathProgramCache]: Analyzing trace with hash -570662079, now seen corresponding path program 1 times [2024-11-12 02:04:22,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:04:22,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727578494] [2024-11-12 02:04:22,401 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:04:22,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:04:22,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:25,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:04:25,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:25,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:04:25,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:25,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:04:25,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:25,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:04:25,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:25,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:04:25,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:25,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:04:25,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:25,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:04:25,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:25,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:04:25,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:25,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:04:25,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:25,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:04:25,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:25,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:04:25,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:25,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:04:25,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:25,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 02:04:25,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:25,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:04:25,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:25,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 02:04:25,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:25,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:04:25,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:25,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 02:04:25,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:25,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:04:25,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:26,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 02:04:26,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:26,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:04:26,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:26,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 02:04:26,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:26,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:04:26,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:26,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 02:04:26,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:26,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:04:26,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:26,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 02:04:26,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:26,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:04:26,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:26,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:04:26,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:26,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 02:04:26,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:26,035 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-12 02:04:26,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:04:26,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727578494] [2024-11-12 02:04:26,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727578494] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:04:26,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:04:26,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-12 02:04:26,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703730530] [2024-11-12 02:04:26,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:04:26,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-12 02:04:26,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:04:26,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-12 02:04:26,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-11-12 02:04:26,038 INFO L87 Difference]: Start difference. First operand 208 states and 315 transitions. Second operand has 15 states, 15 states have (on average 2.6) internal successors, (39), 15 states have internal predecessors, (39), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-12 02:04:27,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:04:27,309 INFO L93 Difference]: Finished difference Result 258 states and 373 transitions. [2024-11-12 02:04:27,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-12 02:04:27,310 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.6) internal successors, (39), 15 states have internal predecessors, (39), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 176 [2024-11-12 02:04:27,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:04:27,313 INFO L225 Difference]: With dead ends: 258 [2024-11-12 02:04:27,313 INFO L226 Difference]: Without dead ends: 256 [2024-11-12 02:04:27,318 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=191, Invalid=565, Unknown=0, NotChecked=0, Total=756 [2024-11-12 02:04:27,319 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 295 mSDsluCounter, 544 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 646 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 02:04:27,323 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 646 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 487 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 02:04:27,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2024-11-12 02:04:27,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 209. [2024-11-12 02:04:27,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 121 states have (on average 1.2231404958677685) internal successors, (148), 121 states have internal predecessors, (148), 84 states have call successors, (84), 3 states have call predecessors, (84), 3 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-12 02:04:27,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 316 transitions. [2024-11-12 02:04:27,361 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 316 transitions. Word has length 176 [2024-11-12 02:04:27,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:04:27,362 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 316 transitions. [2024-11-12 02:04:27,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.6) internal successors, (39), 15 states have internal predecessors, (39), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-12 02:04:27,363 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 316 transitions. [2024-11-12 02:04:27,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-12 02:04:27,365 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:04:27,365 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:04:27,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 02:04:27,366 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:04:27,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:04:27,368 INFO L85 PathProgramCache]: Analyzing trace with hash 992187869, now seen corresponding path program 1 times [2024-11-12 02:04:27,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:04:27,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594512692] [2024-11-12 02:04:27,369 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:04:27,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:04:27,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:30,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:04:30,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:30,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:04:30,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:30,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:04:30,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:30,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:04:30,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:30,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:04:30,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:30,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:04:30,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:30,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:04:30,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:30,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:04:30,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:30,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:04:30,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:30,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:04:30,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:30,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:04:30,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:30,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:04:30,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:30,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 02:04:30,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:30,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:04:30,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:30,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 02:04:30,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:30,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:04:30,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:30,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 02:04:30,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:30,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:04:30,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:30,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 02:04:30,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:30,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:04:30,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:30,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 02:04:30,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:30,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:04:30,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:30,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 02:04:30,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:30,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:04:30,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:30,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 02:04:30,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:30,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:04:30,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:30,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:04:30,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:30,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 02:04:30,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:30,351 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-12 02:04:30,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:04:30,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594512692] [2024-11-12 02:04:30,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594512692] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:04:30,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:04:30,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-12 02:04:30,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921072036] [2024-11-12 02:04:30,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:04:30,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-12 02:04:30,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:04:30,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-12 02:04:30,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2024-11-12 02:04:30,356 INFO L87 Difference]: Start difference. First operand 209 states and 316 transitions. Second operand has 16 states, 16 states have (on average 2.4375) internal successors, (39), 16 states have internal predecessors, (39), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-12 02:04:31,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:04:31,465 INFO L93 Difference]: Finished difference Result 268 states and 384 transitions. [2024-11-12 02:04:31,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-12 02:04:31,466 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.4375) internal successors, (39), 16 states have internal predecessors, (39), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) Word has length 176 [2024-11-12 02:04:31,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:04:31,468 INFO L225 Difference]: With dead ends: 268 [2024-11-12 02:04:31,468 INFO L226 Difference]: Without dead ends: 266 [2024-11-12 02:04:31,469 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=212, Invalid=600, Unknown=0, NotChecked=0, Total=812 [2024-11-12 02:04:31,471 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 225 mSDsluCounter, 754 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 857 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 02:04:31,471 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 857 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 550 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 02:04:31,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2024-11-12 02:04:31,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 211. [2024-11-12 02:04:31,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 123 states have (on average 1.2276422764227641) internal successors, (151), 123 states have internal predecessors, (151), 84 states have call successors, (84), 3 states have call predecessors, (84), 3 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-12 02:04:31,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 319 transitions. [2024-11-12 02:04:31,499 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 319 transitions. Word has length 176 [2024-11-12 02:04:31,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:04:31,500 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 319 transitions. [2024-11-12 02:04:31,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.4375) internal successors, (39), 16 states have internal predecessors, (39), 2 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-12 02:04:31,501 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 319 transitions. [2024-11-12 02:04:31,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-12 02:04:31,503 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:04:31,503 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:04:31,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 02:04:31,504 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:04:31,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:04:31,504 INFO L85 PathProgramCache]: Analyzing trace with hash -782819493, now seen corresponding path program 1 times [2024-11-12 02:04:31,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:04:31,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081089406] [2024-11-12 02:04:31,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:04:31,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:04:31,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:31,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:04:31,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:31,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:04:31,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:31,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:04:31,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:31,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:04:31,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:31,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:04:31,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:31,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:04:31,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:31,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:04:31,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:31,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:04:31,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:31,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:04:31,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:31,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:04:31,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:31,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:04:31,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:31,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:04:31,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:31,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 02:04:31,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:31,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:04:31,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:31,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 02:04:31,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:31,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:04:31,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:31,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 02:04:31,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:31,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:04:31,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:31,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 02:04:31,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:31,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:04:31,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:31,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 02:04:31,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:31,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:04:31,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:31,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 02:04:31,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:31,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:04:31,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:31,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 02:04:31,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:31,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:04:31,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:31,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:04:31,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:31,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 02:04:31,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:31,715 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-12 02:04:31,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:04:31,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081089406] [2024-11-12 02:04:31,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081089406] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:04:31,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:04:31,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 02:04:31,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592367966] [2024-11-12 02:04:31,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:04:31,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 02:04:31,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:04:31,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 02:04:31,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 02:04:31,717 INFO L87 Difference]: Start difference. First operand 211 states and 319 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-12 02:04:31,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:04:31,749 INFO L93 Difference]: Finished difference Result 358 states and 542 transitions. [2024-11-12 02:04:31,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 02:04:31,750 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 176 [2024-11-12 02:04:31,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:04:31,753 INFO L225 Difference]: With dead ends: 358 [2024-11-12 02:04:31,753 INFO L226 Difference]: Without dead ends: 218 [2024-11-12 02:04:31,753 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 02:04:31,754 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 6 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 02:04:31,759 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 310 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 02:04:31,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-12 02:04:31,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 209. [2024-11-12 02:04:31,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 121 states have (on average 1.1983471074380165) internal successors, (145), 121 states have internal predecessors, (145), 84 states have call successors, (84), 3 states have call predecessors, (84), 3 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-12 02:04:31,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 313 transitions. [2024-11-12 02:04:31,779 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 313 transitions. Word has length 176 [2024-11-12 02:04:31,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:04:31,780 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 313 transitions. [2024-11-12 02:04:31,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-12 02:04:31,780 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 313 transitions. [2024-11-12 02:04:31,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-12 02:04:31,782 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:04:31,782 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:04:31,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 02:04:31,782 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:04:31,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:04:31,783 INFO L85 PathProgramCache]: Analyzing trace with hash 548065146, now seen corresponding path program 1 times [2024-11-12 02:04:31,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:04:31,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362513687] [2024-11-12 02:04:31,783 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:04:31,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:04:31,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:38,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:04:38,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:38,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:04:38,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:38,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:04:38,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:38,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:04:38,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:38,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:04:38,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:38,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:04:38,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:38,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:04:38,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:38,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:04:38,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:38,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:04:38,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:38,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:04:38,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:38,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:04:38,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:38,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:04:38,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:38,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 02:04:38,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:38,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:04:38,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:38,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 02:04:38,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:38,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:04:38,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:38,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 02:04:38,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:38,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:04:38,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:38,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 02:04:38,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:38,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:04:38,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:38,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 02:04:38,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:38,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:04:38,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:38,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 02:04:38,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:38,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:04:38,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:38,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 02:04:38,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:38,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:04:38,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:38,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:04:38,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:38,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 02:04:38,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:38,920 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-12 02:04:38,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:04:38,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362513687] [2024-11-12 02:04:38,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362513687] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:04:38,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:04:38,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-12 02:04:38,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624075788] [2024-11-12 02:04:38,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:04:38,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-12 02:04:38,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:04:38,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-12 02:04:38,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-11-12 02:04:38,922 INFO L87 Difference]: Start difference. First operand 209 states and 313 transitions. Second operand has 15 states, 15 states have (on average 2.6) internal successors, (39), 15 states have internal predecessors, (39), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-12 02:04:44,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:04:44,029 INFO L93 Difference]: Finished difference Result 279 states and 392 transitions. [2024-11-12 02:04:44,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-12 02:04:44,030 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.6) internal successors, (39), 15 states have internal predecessors, (39), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 176 [2024-11-12 02:04:44,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:04:44,033 INFO L225 Difference]: With dead ends: 279 [2024-11-12 02:04:44,033 INFO L226 Difference]: Without dead ends: 277 [2024-11-12 02:04:44,034 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=262, Invalid=668, Unknown=0, NotChecked=0, Total=930 [2024-11-12 02:04:44,034 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 222 mSDsluCounter, 586 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-12 02:04:44,035 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 683 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-12 02:04:44,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2024-11-12 02:04:44,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 219. [2024-11-12 02:04:44,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 131 states have (on average 1.2061068702290076) internal successors, (158), 131 states have internal predecessors, (158), 84 states have call successors, (84), 3 states have call predecessors, (84), 3 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-12 02:04:44,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 326 transitions. [2024-11-12 02:04:44,056 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 326 transitions. Word has length 176 [2024-11-12 02:04:44,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:04:44,056 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 326 transitions. [2024-11-12 02:04:44,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.6) internal successors, (39), 15 states have internal predecessors, (39), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-12 02:04:44,057 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 326 transitions. [2024-11-12 02:04:44,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-12 02:04:44,058 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:04:44,059 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:04:44,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 02:04:44,059 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:04:44,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:04:44,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1228123516, now seen corresponding path program 1 times [2024-11-12 02:04:44,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:04:44,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886637615] [2024-11-12 02:04:44,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:04:44,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:04:44,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:50,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:04:50,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:50,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:04:50,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:50,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:04:50,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:50,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:04:50,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:50,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:04:50,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:50,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:04:50,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:50,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:04:50,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:50,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:04:50,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:50,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:04:50,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:50,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:04:50,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:50,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:04:50,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:50,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:04:50,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:50,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 02:04:50,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:50,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:04:50,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:50,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 02:04:50,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:50,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:04:50,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:50,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 02:04:50,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:50,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:04:50,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:50,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 02:04:50,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:50,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:04:50,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:50,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 02:04:50,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:50,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:04:50,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:50,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 02:04:50,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:50,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:04:50,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:50,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 02:04:50,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:50,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:04:50,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:50,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:04:50,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:50,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 02:04:50,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:04:50,824 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-12 02:04:50,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:04:50,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886637615] [2024-11-12 02:04:50,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886637615] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:04:50,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:04:50,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-12 02:04:50,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307884104] [2024-11-12 02:04:50,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:04:50,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-12 02:04:50,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:04:50,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-12 02:04:50,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2024-11-12 02:04:50,828 INFO L87 Difference]: Start difference. First operand 219 states and 326 transitions. Second operand has 16 states, 16 states have (on average 2.4375) internal successors, (39), 16 states have internal predecessors, (39), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-12 02:04:56,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:04:56,177 INFO L93 Difference]: Finished difference Result 273 states and 386 transitions. [2024-11-12 02:04:56,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-12 02:04:56,179 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.4375) internal successors, (39), 16 states have internal predecessors, (39), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 176 [2024-11-12 02:04:56,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:04:56,181 INFO L225 Difference]: With dead ends: 273 [2024-11-12 02:04:56,181 INFO L226 Difference]: Without dead ends: 271 [2024-11-12 02:04:56,181 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=281, Invalid=711, Unknown=0, NotChecked=0, Total=992 [2024-11-12 02:04:56,182 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 261 mSDsluCounter, 486 mSDsCounter, 0 mSdLazyCounter, 378 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 494 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-12 02:04:56,182 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 583 Invalid, 494 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 378 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-12 02:04:56,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2024-11-12 02:04:56,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 219. [2024-11-12 02:04:56,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 131 states have (on average 1.2061068702290076) internal successors, (158), 131 states have internal predecessors, (158), 84 states have call successors, (84), 3 states have call predecessors, (84), 3 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-12 02:04:56,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 326 transitions. [2024-11-12 02:04:56,217 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 326 transitions. Word has length 176 [2024-11-12 02:04:56,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:04:56,217 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 326 transitions. [2024-11-12 02:04:56,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.4375) internal successors, (39), 16 states have internal predecessors, (39), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-12 02:04:56,218 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 326 transitions. [2024-11-12 02:04:56,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-12 02:04:56,220 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:04:56,220 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:04:56,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 02:04:56,220 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:04:56,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:04:56,220 INFO L85 PathProgramCache]: Analyzing trace with hash 746554692, now seen corresponding path program 1 times [2024-11-12 02:04:56,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:04:56,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804523310] [2024-11-12 02:04:56,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:04:56,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:04:56,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:01,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:05:01,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:01,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:05:01,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:01,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:05:01,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:01,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:05:01,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:01,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:05:01,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:01,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:05:01,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:01,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:05:01,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:01,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:05:01,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:01,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:05:01,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:01,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:05:01,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:01,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:05:01,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:01,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:05:01,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:01,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 02:05:01,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:01,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:05:01,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:01,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 02:05:01,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:01,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:05:01,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:01,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 02:05:01,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:01,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:05:01,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:01,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 02:05:01,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:01,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:05:01,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:01,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 02:05:01,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:01,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:05:01,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:01,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 02:05:01,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:01,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:05:01,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:01,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 02:05:01,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:01,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:05:01,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:01,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:05:01,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:01,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 02:05:01,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:01,784 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-12 02:05:01,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:05:01,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804523310] [2024-11-12 02:05:01,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804523310] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:05:01,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:05:01,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-12 02:05:01,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395748057] [2024-11-12 02:05:01,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:05:01,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-12 02:05:01,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:05:01,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-12 02:05:01,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2024-11-12 02:05:01,786 INFO L87 Difference]: Start difference. First operand 219 states and 326 transitions. Second operand has 16 states, 16 states have (on average 2.5) internal successors, (40), 16 states have internal predecessors, (40), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-12 02:05:04,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:05:04,372 INFO L93 Difference]: Finished difference Result 261 states and 372 transitions. [2024-11-12 02:05:04,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-12 02:05:04,373 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.5) internal successors, (40), 16 states have internal predecessors, (40), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 177 [2024-11-12 02:05:04,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:05:04,375 INFO L225 Difference]: With dead ends: 261 [2024-11-12 02:05:04,375 INFO L226 Difference]: Without dead ends: 259 [2024-11-12 02:05:04,376 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=223, Invalid=647, Unknown=0, NotChecked=0, Total=870 [2024-11-12 02:05:04,376 INFO L435 NwaCegarLoop]: 99 mSDtfsCounter, 214 mSDsluCounter, 593 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 692 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-12 02:05:04,377 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 692 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 403 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-12 02:05:04,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2024-11-12 02:05:04,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 216. [2024-11-12 02:05:04,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 128 states have (on average 1.203125) internal successors, (154), 128 states have internal predecessors, (154), 84 states have call successors, (84), 3 states have call predecessors, (84), 3 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-12 02:05:04,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 322 transitions. [2024-11-12 02:05:04,399 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 322 transitions. Word has length 177 [2024-11-12 02:05:04,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:05:04,399 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 322 transitions. [2024-11-12 02:05:04,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.5) internal successors, (40), 16 states have internal predecessors, (40), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-12 02:05:04,400 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 322 transitions. [2024-11-12 02:05:04,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-12 02:05:04,401 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:05:04,401 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:05:04,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 02:05:04,402 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:05:04,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:05:04,402 INFO L85 PathProgramCache]: Analyzing trace with hash -134500791, now seen corresponding path program 1 times [2024-11-12 02:05:04,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:05:04,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891970943] [2024-11-12 02:05:04,403 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:05:04,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:05:04,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:10,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:05:10,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:10,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:05:10,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:10,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:05:10,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:10,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:05:10,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:10,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:05:10,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:10,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:05:10,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:10,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:05:10,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:10,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:05:10,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:10,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:05:10,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:10,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:05:10,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:10,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:05:10,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:10,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:05:10,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:10,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 02:05:10,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:10,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:05:10,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:10,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 02:05:10,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:10,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:05:10,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:10,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 02:05:10,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:10,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:05:10,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:10,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-12 02:05:10,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:10,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:05:10,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:10,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 02:05:10,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:10,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:05:10,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:10,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-12 02:05:10,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:10,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:05:10,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:10,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 02:05:10,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:10,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:05:10,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:10,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:05:10,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:10,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 02:05:10,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:05:10,763 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2024-11-12 02:05:10,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:05:10,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891970943] [2024-11-12 02:05:10,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891970943] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:05:10,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:05:10,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-12 02:05:10,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261408634] [2024-11-12 02:05:10,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:05:10,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-12 02:05:10,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:05:10,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-12 02:05:10,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2024-11-12 02:05:10,766 INFO L87 Difference]: Start difference. First operand 216 states and 322 transitions. Second operand has 16 states, 16 states have (on average 2.5) internal successors, (40), 16 states have internal predecessors, (40), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-12 02:05:17,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:05:17,846 INFO L93 Difference]: Finished difference Result 274 states and 387 transitions. [2024-11-12 02:05:17,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-12 02:05:17,847 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.5) internal successors, (40), 16 states have internal predecessors, (40), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 177 [2024-11-12 02:05:17,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:05:17,849 INFO L225 Difference]: With dead ends: 274 [2024-11-12 02:05:17,849 INFO L226 Difference]: Without dead ends: 272 [2024-11-12 02:05:17,850 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 196 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=303, Invalid=753, Unknown=0, NotChecked=0, Total=1056 [2024-11-12 02:05:17,850 INFO L435 NwaCegarLoop]: 98 mSDtfsCounter, 202 mSDsluCounter, 597 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 695 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-12 02:05:17,850 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 695 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-12 02:05:17,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2024-11-12 02:05:17,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 221. [2024-11-12 02:05:17,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 133 states have (on average 1.2105263157894737) internal successors, (161), 133 states have internal predecessors, (161), 84 states have call successors, (84), 3 states have call predecessors, (84), 3 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-12 02:05:17,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 329 transitions. [2024-11-12 02:05:17,870 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 329 transitions. Word has length 177 [2024-11-12 02:05:17,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:05:17,870 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 329 transitions. [2024-11-12 02:05:17,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.5) internal successors, (40), 16 states have internal predecessors, (40), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2024-11-12 02:05:17,871 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 329 transitions. [2024-11-12 02:05:17,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-12 02:05:17,873 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:05:17,873 INFO L218 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 02:05:17,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-12 02:05:17,873 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:05:17,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:05:17,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1426502115, now seen corresponding path program 1 times [2024-11-12 02:05:17,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:05:17,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507753755] [2024-11-12 02:05:17,874 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:05:17,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:05:17,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat