./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-31.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-31.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 6172bcf472a886b23306a046bd0a20ff775f8e0d008adc455f4ef56119e5614f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 07:13:04,921 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 07:13:05,013 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 07:13:05,018 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 07:13:05,030 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 07:13:05,054 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 07:13:05,055 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 07:13:05,056 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 07:13:05,056 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 07:13:05,058 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 07:13:05,059 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 07:13:05,059 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 07:13:05,060 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 07:13:05,061 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 07:13:05,062 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 07:13:05,062 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 07:13:05,062 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 07:13:05,063 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 07:13:05,063 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 07:13:05,063 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 07:13:05,063 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 07:13:05,064 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 07:13:05,064 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 07:13:05,065 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 07:13:05,065 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 07:13:05,065 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 07:13:05,066 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 07:13:05,066 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 07:13:05,066 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 07:13:05,066 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 07:13:05,067 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 07:13:05,067 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 07:13:05,067 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 07:13:05,068 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 07:13:05,068 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 07:13:05,068 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 07:13:05,069 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 07:13:05,069 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 07:13:05,069 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 07:13:05,069 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 07:13:05,070 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 07:13:05,071 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 07:13:05,072 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6172bcf472a886b23306a046bd0a20ff775f8e0d008adc455f4ef56119e5614f [2024-11-10 07:13:05,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 07:13:05,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 07:13:05,383 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 07:13:05,384 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 07:13:05,385 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 07:13:05,386 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-31.i [2024-11-10 07:13:06,962 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 07:13:07,210 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 07:13:07,210 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-31.i [2024-11-10 07:13:07,224 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1fea28d7/dfc23c983318498abb887bf21ee202b5/FLAG2c5644eb8 [2024-11-10 07:13:07,240 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1fea28d7/dfc23c983318498abb887bf21ee202b5 [2024-11-10 07:13:07,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 07:13:07,245 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 07:13:07,248 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 07:13:07,248 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 07:13:07,254 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 07:13:07,256 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:13:07" (1/1) ... [2024-11-10 07:13:07,257 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@166594b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:13:07, skipping insertion in model container [2024-11-10 07:13:07,258 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:13:07" (1/1) ... [2024-11-10 07:13:07,290 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 07:13:07,461 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_loopvsstraightlinecode_100-while_file-31.i[916,929] [2024-11-10 07:13:07,560 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 07:13:07,579 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 07:13:07,592 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_loopvsstraightlinecode_100-while_file-31.i[916,929] [2024-11-10 07:13:07,627 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 07:13:07,651 INFO L204 MainTranslator]: Completed translation [2024-11-10 07:13:07,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:13:07 WrapperNode [2024-11-10 07:13:07,651 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 07:13:07,652 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 07:13:07,653 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 07:13:07,653 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 07:13:07,660 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:13:07" (1/1) ... [2024-11-10 07:13:07,685 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:13:07" (1/1) ... [2024-11-10 07:13:07,731 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 258 [2024-11-10 07:13:07,734 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 07:13:07,736 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 07:13:07,737 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 07:13:07,737 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 07:13:07,748 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:13:07" (1/1) ... [2024-11-10 07:13:07,748 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:13:07" (1/1) ... [2024-11-10 07:13:07,753 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:13:07" (1/1) ... [2024-11-10 07:13:07,777 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 07:13:07,778 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:13:07" (1/1) ... [2024-11-10 07:13:07,778 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:13:07" (1/1) ... [2024-11-10 07:13:07,791 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:13:07" (1/1) ... [2024-11-10 07:13:07,794 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:13:07" (1/1) ... [2024-11-10 07:13:07,798 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:13:07" (1/1) ... [2024-11-10 07:13:07,802 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:13:07" (1/1) ... [2024-11-10 07:13:07,816 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 07:13:07,817 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 07:13:07,817 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 07:13:07,817 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 07:13:07,818 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:13:07" (1/1) ... [2024-11-10 07:13:07,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 07:13:07,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 07:13:07,854 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 07:13:07,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 07:13:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 07:13:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 07:13:07,903 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 07:13:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 07:13:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 07:13:07,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 07:13:07,996 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 07:13:07,999 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 07:13:08,628 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L206: havoc property_#t~ite25#1;havoc property_#t~bitwise21#1;havoc property_#t~short22#1;havoc property_#t~ite24#1;havoc property_#t~bitwise23#1;havoc property_#t~short26#1; [2024-11-10 07:13:08,668 INFO L? ?]: Removed 41 outVars from TransFormulas that were not future-live. [2024-11-10 07:13:08,668 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 07:13:08,696 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 07:13:08,697 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 07:13:08,698 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:13:08 BoogieIcfgContainer [2024-11-10 07:13:08,698 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 07:13:08,700 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 07:13:08,701 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 07:13:08,705 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 07:13:08,706 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:13:07" (1/3) ... [2024-11-10 07:13:08,706 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b49ff13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:13:08, skipping insertion in model container [2024-11-10 07:13:08,707 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:13:07" (2/3) ... [2024-11-10 07:13:08,707 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b49ff13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:13:08, skipping insertion in model container [2024-11-10 07:13:08,708 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:13:08" (3/3) ... [2024-11-10 07:13:08,709 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-31.i [2024-11-10 07:13:08,734 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 07:13:08,734 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 07:13:08,793 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 07:13:08,801 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;@4eb96ef1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 07:13:08,801 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 07:13:08,806 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 80 states have (on average 1.45) internal successors, (116), 81 states have internal predecessors, (116), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-10 07:13:08,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-10 07:13:08,825 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:13:08,827 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:13:08,827 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:13:08,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:13:08,835 INFO L85 PathProgramCache]: Analyzing trace with hash -1703190471, now seen corresponding path program 1 times [2024-11-10 07:13:08,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:13:08,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035523070] [2024-11-10 07:13:08,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:13:08,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:13:09,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:09,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:13:09,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:09,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:13:09,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:09,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 07:13:09,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:09,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:13:09,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:09,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 07:13:09,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:09,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:13:09,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:09,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 07:13:09,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:09,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:13:09,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:09,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 07:13:09,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:09,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:13:09,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:09,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 07:13:09,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:09,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:13:09,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:09,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 07:13:09,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:09,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:13:09,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:09,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 07:13:09,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:09,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:13:09,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:09,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 07:13:09,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:09,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:13:09,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:09,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 07:13:09,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:09,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:13:09,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:09,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 07:13:09,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:09,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:13:09,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:09,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 07:13:09,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:09,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:13:09,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:09,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:13:09,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:09,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:13:09,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:09,415 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 07:13:09,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:13:09,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035523070] [2024-11-10 07:13:09,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035523070] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:13:09,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:13:09,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 07:13:09,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146057916] [2024-11-10 07:13:09,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:13:09,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 07:13:09,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:13:09,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 07:13:09,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 07:13:09,455 INFO L87 Difference]: Start difference. First operand has 109 states, 80 states have (on average 1.45) internal successors, (116), 81 states have internal predecessors, (116), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-10 07:13:09,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:13:09,496 INFO L93 Difference]: Finished difference Result 200 states and 340 transitions. [2024-11-10 07:13:09,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 07:13:09,504 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 174 [2024-11-10 07:13:09,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:13:09,525 INFO L225 Difference]: With dead ends: 200 [2024-11-10 07:13:09,525 INFO L226 Difference]: Without dead ends: 94 [2024-11-10 07:13:09,534 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 07:13:09,543 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 07:13:09,546 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 142 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 07:13:09,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-10 07:13:09,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-11-10 07:13:09,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 66 states have (on average 1.393939393939394) internal successors, (92), 66 states have internal predecessors, (92), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-10 07:13:09,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 144 transitions. [2024-11-10 07:13:09,615 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 144 transitions. Word has length 174 [2024-11-10 07:13:09,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:13:09,617 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 144 transitions. [2024-11-10 07:13:09,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-10 07:13:09,617 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 144 transitions. [2024-11-10 07:13:09,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-10 07:13:09,622 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:13:09,622 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:13:09,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 07:13:09,623 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:13:09,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:13:09,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1603125099, now seen corresponding path program 1 times [2024-11-10 07:13:09,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:13:09,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995736979] [2024-11-10 07:13:09,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:13:09,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:13:09,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:10,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:13:10,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:10,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:13:10,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:10,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 07:13:10,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:10,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:13:10,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:10,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 07:13:10,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:10,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:13:10,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:10,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 07:13:10,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:10,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:13:10,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:10,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 07:13:10,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:10,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:13:10,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:10,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 07:13:10,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:10,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:13:10,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:10,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 07:13:10,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:10,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:13:10,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:10,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 07:13:10,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:10,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:13:10,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:10,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 07:13:10,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:10,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:13:10,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:10,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 07:13:10,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:10,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:13:10,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:10,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 07:13:10,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:10,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:13:10,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:10,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 07:13:10,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:10,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:13:10,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:10,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:13:10,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:10,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:13:10,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:10,475 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 07:13:10,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:13:10,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995736979] [2024-11-10 07:13:10,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995736979] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:13:10,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:13:10,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 07:13:10,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074863896] [2024-11-10 07:13:10,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:13:10,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 07:13:10,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:13:10,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 07:13:10,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 07:13:10,480 INFO L87 Difference]: Start difference. First operand 94 states and 144 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 07:13:10,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:13:10,841 INFO L93 Difference]: Finished difference Result 278 states and 428 transitions. [2024-11-10 07:13:10,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 07:13:10,842 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 174 [2024-11-10 07:13:10,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:13:10,847 INFO L225 Difference]: With dead ends: 278 [2024-11-10 07:13:10,849 INFO L226 Difference]: Without dead ends: 187 [2024-11-10 07:13:10,851 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 07:13:10,852 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 94 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 07:13:10,852 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 385 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 07:13:10,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-10 07:13:10,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 154. [2024-11-10 07:13:10,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 99 states have (on average 1.3535353535353536) internal successors, (134), 99 states have internal predecessors, (134), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-10 07:13:10,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 238 transitions. [2024-11-10 07:13:10,903 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 238 transitions. Word has length 174 [2024-11-10 07:13:10,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:13:10,904 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 238 transitions. [2024-11-10 07:13:10,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 07:13:10,905 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 238 transitions. [2024-11-10 07:13:10,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-10 07:13:10,908 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:13:10,909 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:13:10,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 07:13:10,909 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:13:10,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:13:10,910 INFO L85 PathProgramCache]: Analyzing trace with hash -1058272987, now seen corresponding path program 1 times [2024-11-10 07:13:10,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:13:10,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887675503] [2024-11-10 07:13:10,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:13:10,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:13:10,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:11,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:13:11,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:11,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:13:11,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:11,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 07:13:11,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:11,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:13:11,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:11,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 07:13:11,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:11,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:13:11,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:11,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 07:13:11,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:11,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:13:11,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:11,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 07:13:11,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:11,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:13:11,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:11,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 07:13:11,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:11,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:13:11,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:11,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 07:13:11,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:11,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:13:11,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:11,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 07:13:11,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:11,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:13:11,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:11,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 07:13:11,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:11,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:13:11,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:11,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 07:13:11,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:11,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:13:11,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:11,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 07:13:11,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:11,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:13:11,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:11,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 07:13:11,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:11,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:13:11,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:11,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:13:11,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:11,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:13:11,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:11,435 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 07:13:11,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:13:11,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887675503] [2024-11-10 07:13:11,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887675503] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:13:11,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:13:11,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 07:13:11,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000141533] [2024-11-10 07:13:11,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:13:11,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 07:13:11,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:13:11,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 07:13:11,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 07:13:11,446 INFO L87 Difference]: Start difference. First operand 154 states and 238 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 07:13:11,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:13:11,704 INFO L93 Difference]: Finished difference Result 278 states and 427 transitions. [2024-11-10 07:13:11,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 07:13:11,705 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 175 [2024-11-10 07:13:11,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:13:11,709 INFO L225 Difference]: With dead ends: 278 [2024-11-10 07:13:11,712 INFO L226 Difference]: Without dead ends: 187 [2024-11-10 07:13:11,714 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 07:13:11,715 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 92 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 07:13:11,719 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 387 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 07:13:11,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-10 07:13:11,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 155. [2024-11-10 07:13:11,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 100 states have (on average 1.35) internal successors, (135), 100 states have internal predecessors, (135), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-10 07:13:11,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 239 transitions. [2024-11-10 07:13:11,764 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 239 transitions. Word has length 175 [2024-11-10 07:13:11,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:13:11,767 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 239 transitions. [2024-11-10 07:13:11,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 07:13:11,768 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 239 transitions. [2024-11-10 07:13:11,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-10 07:13:11,770 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:13:11,770 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:13:11,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 07:13:11,771 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:13:11,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:13:11,771 INFO L85 PathProgramCache]: Analyzing trace with hash 247981276, now seen corresponding path program 1 times [2024-11-10 07:13:11,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:13:11,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051870761] [2024-11-10 07:13:11,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:13:11,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:13:11,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:12,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:13:12,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:12,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:13:12,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:12,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 07:13:12,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:12,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:13:12,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:12,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 07:13:12,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:12,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:13:12,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:12,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 07:13:12,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:12,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:13:12,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:12,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 07:13:12,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:12,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:13:12,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:12,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 07:13:12,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:12,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:13:12,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:12,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 07:13:12,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:12,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:13:12,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:12,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 07:13:12,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:12,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:13:12,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:12,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 07:13:12,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:12,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:13:12,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:12,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 07:13:12,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:12,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:13:12,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:12,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 07:13:12,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:12,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:13:12,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:12,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 07:13:12,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:12,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:13:12,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:12,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:13:12,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:12,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:13:12,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:12,716 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 07:13:12,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:13:12,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051870761] [2024-11-10 07:13:12,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051870761] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:13:12,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:13:12,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 07:13:12,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413800500] [2024-11-10 07:13:12,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:13:12,718 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 07:13:12,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:13:12,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 07:13:12,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-10 07:13:12,720 INFO L87 Difference]: Start difference. First operand 155 states and 239 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 07:13:13,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:13:13,327 INFO L93 Difference]: Finished difference Result 377 states and 571 transitions. [2024-11-10 07:13:13,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 07:13:13,328 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 176 [2024-11-10 07:13:13,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:13:13,331 INFO L225 Difference]: With dead ends: 377 [2024-11-10 07:13:13,331 INFO L226 Difference]: Without dead ends: 286 [2024-11-10 07:13:13,334 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2024-11-10 07:13:13,338 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 506 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 506 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 07:13:13,339 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [506 Valid, 647 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 07:13:13,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2024-11-10 07:13:13,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 245. [2024-11-10 07:13:13,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 161 states have (on average 1.329192546583851) internal successors, (214), 162 states have internal predecessors, (214), 78 states have call successors, (78), 5 states have call predecessors, (78), 5 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-10 07:13:13,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 370 transitions. [2024-11-10 07:13:13,389 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 370 transitions. Word has length 176 [2024-11-10 07:13:13,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:13:13,389 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 370 transitions. [2024-11-10 07:13:13,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 07:13:13,390 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 370 transitions. [2024-11-10 07:13:13,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-10 07:13:13,392 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:13:13,392 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:13:13,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 07:13:13,393 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:13:13,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:13:13,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1559473187, now seen corresponding path program 1 times [2024-11-10 07:13:13,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:13:13,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463919431] [2024-11-10 07:13:13,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:13:13,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:13:13,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:13,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:13:13,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:13,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:13:13,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:13,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 07:13:13,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:13,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:13:13,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:13,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 07:13:13,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:13,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:13:13,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:13,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 07:13:13,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:13,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:13:13,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:13,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 07:13:13,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:13,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:13:13,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:13,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 07:13:13,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:13,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:13:13,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:13,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 07:13:13,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:13,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:13:13,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:13,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 07:13:13,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:13,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:13:13,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:13,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 07:13:13,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:13,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:13:13,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:13,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 07:13:13,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:13,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:13:13,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:13,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 07:13:13,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:13,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:13:13,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:13,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 07:13:13,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:13,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:13:13,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:13,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:13:13,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:13,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:13:13,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:13,824 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 07:13:13,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:13:13,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463919431] [2024-11-10 07:13:13,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463919431] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:13:13,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:13:13,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 07:13:13,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451458731] [2024-11-10 07:13:13,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:13:13,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 07:13:13,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:13:13,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 07:13:13,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 07:13:13,827 INFO L87 Difference]: Start difference. First operand 245 states and 370 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 07:13:14,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:13:14,022 INFO L93 Difference]: Finished difference Result 464 states and 702 transitions. [2024-11-10 07:13:14,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 07:13:14,023 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 176 [2024-11-10 07:13:14,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:13:14,044 INFO L225 Difference]: With dead ends: 464 [2024-11-10 07:13:14,044 INFO L226 Difference]: Without dead ends: 276 [2024-11-10 07:13:14,045 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 07:13:14,046 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 99 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 07:13:14,047 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 397 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 07:13:14,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2024-11-10 07:13:14,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 238. [2024-11-10 07:13:14,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 154 states have (on average 1.2922077922077921) internal successors, (199), 155 states have internal predecessors, (199), 78 states have call successors, (78), 5 states have call predecessors, (78), 5 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-10 07:13:14,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 355 transitions. [2024-11-10 07:13:14,080 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 355 transitions. Word has length 176 [2024-11-10 07:13:14,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:13:14,081 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 355 transitions. [2024-11-10 07:13:14,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 07:13:14,082 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 355 transitions. [2024-11-10 07:13:14,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-10 07:13:14,083 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:13:14,083 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:13:14,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 07:13:14,084 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:13:14,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:13:14,084 INFO L85 PathProgramCache]: Analyzing trace with hash 523709164, now seen corresponding path program 1 times [2024-11-10 07:13:14,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:13:14,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754295004] [2024-11-10 07:13:14,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:13:14,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:13:14,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:14,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:13:14,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:14,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:13:14,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:14,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 07:13:14,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:14,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:13:14,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:14,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 07:13:14,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:14,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:13:14,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:14,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 07:13:14,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:14,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:13:14,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:14,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 07:13:14,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:14,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:13:14,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:14,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 07:13:14,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:14,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:13:14,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:14,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 07:13:14,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:14,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:13:14,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:14,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 07:13:14,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:14,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:13:14,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:14,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 07:13:14,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:14,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:13:14,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:14,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 07:13:14,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:14,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:13:14,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:14,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 07:13:14,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:14,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:13:14,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:14,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 07:13:14,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:14,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:13:14,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:14,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:13:14,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:14,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:13:14,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:14,945 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 07:13:14,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:13:14,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754295004] [2024-11-10 07:13:14,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754295004] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:13:14,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:13:14,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 07:13:14,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109187982] [2024-11-10 07:13:14,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:13:14,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 07:13:14,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:13:14,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 07:13:14,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 07:13:14,948 INFO L87 Difference]: Start difference. First operand 238 states and 355 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 07:13:15,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:13:15,196 INFO L93 Difference]: Finished difference Result 596 states and 870 transitions. [2024-11-10 07:13:15,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 07:13:15,196 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 177 [2024-11-10 07:13:15,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:13:15,199 INFO L225 Difference]: With dead ends: 596 [2024-11-10 07:13:15,199 INFO L226 Difference]: Without dead ends: 436 [2024-11-10 07:13:15,201 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-10 07:13:15,202 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 121 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 07:13:15,203 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 543 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 07:13:15,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2024-11-10 07:13:15,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 372. [2024-11-10 07:13:15,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 274 states have (on average 1.3430656934306568) internal successors, (368), 277 states have internal predecessors, (368), 88 states have call successors, (88), 9 states have call predecessors, (88), 9 states have return successors, (88), 85 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-10 07:13:15,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 544 transitions. [2024-11-10 07:13:15,260 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 544 transitions. Word has length 177 [2024-11-10 07:13:15,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:13:15,262 INFO L471 AbstractCegarLoop]: Abstraction has 372 states and 544 transitions. [2024-11-10 07:13:15,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 07:13:15,263 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 544 transitions. [2024-11-10 07:13:15,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-10 07:13:15,265 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:13:15,265 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:13:15,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 07:13:15,265 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:13:15,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:13:15,266 INFO L85 PathProgramCache]: Analyzing trace with hash 327195659, now seen corresponding path program 1 times [2024-11-10 07:13:15,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:13:15,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952208456] [2024-11-10 07:13:15,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:13:15,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:13:15,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:15,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:13:15,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:15,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:13:15,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:15,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 07:13:15,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:15,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:13:15,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:15,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 07:13:15,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:15,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:13:15,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:15,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 07:13:15,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:15,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:13:15,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:15,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 07:13:15,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:15,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:13:15,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:15,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 07:13:15,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:15,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:13:15,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:15,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 07:13:15,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:15,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:13:15,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:15,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 07:13:15,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:15,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:13:15,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:15,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 07:13:15,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:15,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:13:15,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:15,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 07:13:15,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:15,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:13:15,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:15,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 07:13:15,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:15,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:13:15,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:15,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 07:13:15,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:15,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:13:15,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:15,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:13:15,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:15,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:13:15,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:15,612 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 07:13:15,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:13:15,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952208456] [2024-11-10 07:13:15,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952208456] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:13:15,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:13:15,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 07:13:15,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092566618] [2024-11-10 07:13:15,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:13:15,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 07:13:15,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:13:15,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 07:13:15,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 07:13:15,615 INFO L87 Difference]: Start difference. First operand 372 states and 544 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 07:13:15,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:13:15,879 INFO L93 Difference]: Finished difference Result 843 states and 1247 transitions. [2024-11-10 07:13:15,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 07:13:15,881 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 177 [2024-11-10 07:13:15,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:13:15,886 INFO L225 Difference]: With dead ends: 843 [2024-11-10 07:13:15,887 INFO L226 Difference]: Without dead ends: 560 [2024-11-10 07:13:15,888 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-10 07:13:15,888 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 218 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 660 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 07:13:15,891 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 660 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 07:13:15,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2024-11-10 07:13:15,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 467. [2024-11-10 07:13:15,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 315 states have (on average 1.2920634920634921) internal successors, (407), 319 states have internal predecessors, (407), 140 states have call successors, (140), 11 states have call predecessors, (140), 11 states have return successors, (140), 136 states have call predecessors, (140), 140 states have call successors, (140) [2024-11-10 07:13:15,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 687 transitions. [2024-11-10 07:13:15,982 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 687 transitions. Word has length 177 [2024-11-10 07:13:15,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:13:15,983 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 687 transitions. [2024-11-10 07:13:15,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 07:13:15,986 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 687 transitions. [2024-11-10 07:13:15,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-10 07:13:15,987 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:13:15,987 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:13:15,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 07:13:15,988 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:13:15,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:13:15,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1768473645, now seen corresponding path program 1 times [2024-11-10 07:13:15,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:13:15,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700979085] [2024-11-10 07:13:15,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:13:15,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:13:16,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:16,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:13:16,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:16,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:13:16,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:16,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 07:13:16,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:16,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:13:16,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:16,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 07:13:16,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:16,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:13:16,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:16,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 07:13:16,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:16,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:13:16,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:16,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 07:13:16,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:16,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:13:16,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:16,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 07:13:16,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:16,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:13:16,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:16,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 07:13:16,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:16,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:13:16,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:16,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 07:13:16,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:16,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:13:16,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:16,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 07:13:16,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:16,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:13:16,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:16,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 07:13:16,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:16,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:13:16,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:16,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 07:13:16,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:16,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:13:16,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:16,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 07:13:16,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:16,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:13:16,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:16,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:13:16,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:16,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:13:16,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:16,558 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 07:13:16,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:13:16,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700979085] [2024-11-10 07:13:16,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700979085] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:13:16,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:13:16,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 07:13:16,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839997266] [2024-11-10 07:13:16,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:13:16,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 07:13:16,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:13:16,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 07:13:16,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 07:13:16,562 INFO L87 Difference]: Start difference. First operand 467 states and 687 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 07:13:17,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:13:17,121 INFO L93 Difference]: Finished difference Result 1104 states and 1609 transitions. [2024-11-10 07:13:17,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 07:13:17,122 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 177 [2024-11-10 07:13:17,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:13:17,128 INFO L225 Difference]: With dead ends: 1104 [2024-11-10 07:13:17,128 INFO L226 Difference]: Without dead ends: 719 [2024-11-10 07:13:17,129 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-10 07:13:17,130 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 343 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 07:13:17,130 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [343 Valid, 502 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 07:13:17,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2024-11-10 07:13:17,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 533. [2024-11-10 07:13:17,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 368 states have (on average 1.2880434782608696) internal successors, (474), 372 states have internal predecessors, (474), 148 states have call successors, (148), 16 states have call predecessors, (148), 16 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-10 07:13:17,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 770 transitions. [2024-11-10 07:13:17,244 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 770 transitions. Word has length 177 [2024-11-10 07:13:17,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:13:17,245 INFO L471 AbstractCegarLoop]: Abstraction has 533 states and 770 transitions. [2024-11-10 07:13:17,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 07:13:17,245 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 770 transitions. [2024-11-10 07:13:17,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-10 07:13:17,247 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:13:17,248 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:13:17,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 07:13:17,248 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:13:17,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:13:17,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1571960140, now seen corresponding path program 1 times [2024-11-10 07:13:17,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:13:17,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497196974] [2024-11-10 07:13:17,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:13:17,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:13:17,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:20,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:13:20,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:20,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:13:20,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:20,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 07:13:20,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:20,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:13:20,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:20,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 07:13:20,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:20,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:13:20,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:20,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 07:13:20,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:20,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:13:20,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:20,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 07:13:20,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:20,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:13:20,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:20,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 07:13:20,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:20,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:13:20,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:20,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 07:13:20,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:20,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:13:20,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:20,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 07:13:20,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:20,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:13:20,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:20,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 07:13:20,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:20,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:13:20,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:20,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 07:13:20,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:20,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:13:20,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:20,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 07:13:20,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:20,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:13:20,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:20,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 07:13:20,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:20,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:13:20,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:20,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:13:20,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:20,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:13:20,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:20,738 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 07:13:20,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:13:20,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497196974] [2024-11-10 07:13:20,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497196974] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:13:20,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:13:20,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 07:13:20,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133461524] [2024-11-10 07:13:20,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:13:20,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 07:13:20,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:13:20,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 07:13:20,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-10 07:13:20,741 INFO L87 Difference]: Start difference. First operand 533 states and 770 transitions. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 07:13:21,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:13:21,934 INFO L93 Difference]: Finished difference Result 991 states and 1422 transitions. [2024-11-10 07:13:21,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 07:13:21,935 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 177 [2024-11-10 07:13:21,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:13:21,941 INFO L225 Difference]: With dead ends: 991 [2024-11-10 07:13:21,942 INFO L226 Difference]: Without dead ends: 636 [2024-11-10 07:13:21,943 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-11-10 07:13:21,944 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 220 mSDsluCounter, 536 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 682 SdHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 07:13:21,945 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 682 Invalid, 388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 07:13:21,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2024-11-10 07:13:22,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 547. [2024-11-10 07:13:22,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 382 states have (on average 1.287958115183246) internal successors, (492), 386 states have internal predecessors, (492), 148 states have call successors, (148), 16 states have call predecessors, (148), 16 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-10 07:13:22,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 788 transitions. [2024-11-10 07:13:22,017 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 788 transitions. Word has length 177 [2024-11-10 07:13:22,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:13:22,018 INFO L471 AbstractCegarLoop]: Abstraction has 547 states and 788 transitions. [2024-11-10 07:13:22,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 07:13:22,018 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 788 transitions. [2024-11-10 07:13:22,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-10 07:13:22,020 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:13:22,021 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:13:22,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 07:13:22,021 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:13:22,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:13:22,021 INFO L85 PathProgramCache]: Analyzing trace with hash -421504724, now seen corresponding path program 1 times [2024-11-10 07:13:22,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:13:22,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581464049] [2024-11-10 07:13:22,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:13:22,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:13:22,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:27,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:13:27,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:27,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:13:27,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:27,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 07:13:27,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:27,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:13:27,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:27,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 07:13:27,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:27,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:13:27,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:27,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 07:13:27,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:27,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:13:27,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:27,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 07:13:27,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:27,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:13:27,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:27,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 07:13:27,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:27,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:13:27,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:27,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 07:13:27,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:27,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:13:27,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:27,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 07:13:27,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:27,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:13:27,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:27,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 07:13:27,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:27,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:13:27,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:27,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 07:13:27,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:27,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:13:27,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:27,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 07:13:27,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:27,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:13:27,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:27,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 07:13:27,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:27,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:13:27,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:27,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:13:27,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:27,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:13:27,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:27,408 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 07:13:27,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:13:27,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581464049] [2024-11-10 07:13:27,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581464049] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:13:27,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:13:27,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 07:13:27,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453279550] [2024-11-10 07:13:27,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:13:27,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 07:13:27,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:13:27,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 07:13:27,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-10 07:13:27,412 INFO L87 Difference]: Start difference. First operand 547 states and 788 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 07:13:28,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:13:28,752 INFO L93 Difference]: Finished difference Result 1001 states and 1430 transitions. [2024-11-10 07:13:28,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 07:13:28,753 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 177 [2024-11-10 07:13:28,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:13:28,758 INFO L225 Difference]: With dead ends: 1001 [2024-11-10 07:13:28,758 INFO L226 Difference]: Without dead ends: 644 [2024-11-10 07:13:28,760 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2024-11-10 07:13:28,761 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 174 mSDsluCounter, 639 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 783 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-10 07:13:28,761 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 783 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-10 07:13:28,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2024-11-10 07:13:28,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 547. [2024-11-10 07:13:28,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 382 states have (on average 1.287958115183246) internal successors, (492), 386 states have internal predecessors, (492), 148 states have call successors, (148), 16 states have call predecessors, (148), 16 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-10 07:13:28,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 788 transitions. [2024-11-10 07:13:28,822 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 788 transitions. Word has length 177 [2024-11-10 07:13:28,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:13:28,825 INFO L471 AbstractCegarLoop]: Abstraction has 547 states and 788 transitions. [2024-11-10 07:13:28,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 07:13:28,825 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 788 transitions. [2024-11-10 07:13:28,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-10 07:13:28,827 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:13:28,827 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:13:28,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 07:13:28,827 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:13:28,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:13:28,829 INFO L85 PathProgramCache]: Analyzing trace with hash -618018229, now seen corresponding path program 1 times [2024-11-10 07:13:28,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:13:28,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270663182] [2024-11-10 07:13:28,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:13:28,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:13:28,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:29,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:13:29,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:29,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:13:29,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:29,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 07:13:29,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:29,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:13:29,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:29,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 07:13:29,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:29,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:13:29,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:29,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 07:13:29,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:29,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:13:29,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:29,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 07:13:29,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:29,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:13:29,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:29,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 07:13:29,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:29,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:13:29,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:29,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 07:13:29,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:29,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:13:29,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:29,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 07:13:29,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:29,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:13:29,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:29,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 07:13:29,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:29,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:13:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:29,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 07:13:29,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:29,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:13:29,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:29,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 07:13:29,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:29,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:13:29,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:29,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 07:13:29,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:29,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:13:29,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:29,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:13:29,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:29,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:13:29,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:29,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 07:13:29,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:13:29,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270663182] [2024-11-10 07:13:29,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270663182] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:13:29,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:13:29,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 07:13:29,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268186226] [2024-11-10 07:13:29,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:13:29,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 07:13:29,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:13:29,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 07:13:29,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-10 07:13:29,567 INFO L87 Difference]: Start difference. First operand 547 states and 788 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 07:13:30,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:13:30,463 INFO L93 Difference]: Finished difference Result 1001 states and 1446 transitions. [2024-11-10 07:13:30,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 07:13:30,465 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 177 [2024-11-10 07:13:30,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:13:30,469 INFO L225 Difference]: With dead ends: 1001 [2024-11-10 07:13:30,470 INFO L226 Difference]: Without dead ends: 571 [2024-11-10 07:13:30,471 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2024-11-10 07:13:30,472 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 372 mSDsluCounter, 822 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 1018 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 07:13:30,472 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 1018 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 07:13:30,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2024-11-10 07:13:30,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 545. [2024-11-10 07:13:30,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 545 states, 380 states have (on average 1.2815789473684212) internal successors, (487), 384 states have internal predecessors, (487), 148 states have call successors, (148), 16 states have call predecessors, (148), 16 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-10 07:13:30,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 783 transitions. [2024-11-10 07:13:30,534 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 783 transitions. Word has length 177 [2024-11-10 07:13:30,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:13:30,534 INFO L471 AbstractCegarLoop]: Abstraction has 545 states and 783 transitions. [2024-11-10 07:13:30,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 07:13:30,535 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 783 transitions. [2024-11-10 07:13:30,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-10 07:13:30,536 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:13:30,536 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:13:30,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 07:13:30,537 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:13:30,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:13:30,537 INFO L85 PathProgramCache]: Analyzing trace with hash 234468869, now seen corresponding path program 1 times [2024-11-10 07:13:30,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:13:30,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863976605] [2024-11-10 07:13:30,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:13:30,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:13:30,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:31,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:13:31,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:31,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:13:31,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:31,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 07:13:31,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:31,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:13:31,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:31,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 07:13:31,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:31,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:13:31,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:31,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 07:13:31,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:31,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:13:31,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:31,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 07:13:31,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:31,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:13:31,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:31,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 07:13:31,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:31,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:13:31,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:31,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 07:13:31,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:31,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:13:31,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:31,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 07:13:31,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:31,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:13:31,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:31,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 07:13:31,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:31,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:13:31,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:31,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 07:13:31,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:31,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:13:31,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:31,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 07:13:31,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:31,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:13:31,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:31,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 07:13:31,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:31,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:13:31,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:31,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:13:31,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:31,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:13:31,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:31,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 07:13:31,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:13:31,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863976605] [2024-11-10 07:13:31,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863976605] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:13:31,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:13:31,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 07:13:31,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200412103] [2024-11-10 07:13:31,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:13:31,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 07:13:31,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:13:31,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 07:13:31,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-10 07:13:31,847 INFO L87 Difference]: Start difference. First operand 545 states and 783 transitions. Second operand has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 07:13:33,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:13:33,120 INFO L93 Difference]: Finished difference Result 1050 states and 1507 transitions. [2024-11-10 07:13:33,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 07:13:33,121 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 178 [2024-11-10 07:13:33,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:13:33,126 INFO L225 Difference]: With dead ends: 1050 [2024-11-10 07:13:33,126 INFO L226 Difference]: Without dead ends: 622 [2024-11-10 07:13:33,128 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-11-10 07:13:33,128 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 479 mSDsluCounter, 684 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 479 SdHoareTripleChecker+Valid, 811 SdHoareTripleChecker+Invalid, 477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-10 07:13:33,129 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [479 Valid, 811 Invalid, 477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-10 07:13:33,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2024-11-10 07:13:33,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 566. [2024-11-10 07:13:33,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 401 states have (on average 1.2892768079800498) internal successors, (517), 405 states have internal predecessors, (517), 148 states have call successors, (148), 16 states have call predecessors, (148), 16 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-10 07:13:33,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 813 transitions. [2024-11-10 07:13:33,207 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 813 transitions. Word has length 178 [2024-11-10 07:13:33,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:13:33,207 INFO L471 AbstractCegarLoop]: Abstraction has 566 states and 813 transitions. [2024-11-10 07:13:33,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 07:13:33,208 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 813 transitions. [2024-11-10 07:13:33,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-10 07:13:33,210 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:13:33,211 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:13:33,211 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 07:13:33,211 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:13:33,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:13:33,212 INFO L85 PathProgramCache]: Analyzing trace with hash 37955364, now seen corresponding path program 1 times [2024-11-10 07:13:33,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:13:33,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172256256] [2024-11-10 07:13:33,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:13:33,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:13:33,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:36,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:13:36,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:36,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:13:36,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:36,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 07:13:36,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:36,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:13:36,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:36,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 07:13:36,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:36,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:13:36,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:36,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 07:13:36,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:36,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:13:36,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:36,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 07:13:36,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:36,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:13:36,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:36,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 07:13:36,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:36,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:13:36,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:36,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 07:13:36,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:36,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:13:36,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:36,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 07:13:36,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:36,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:13:36,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:36,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 07:13:36,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:36,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:13:36,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:36,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 07:13:36,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:36,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:13:36,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:36,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 07:13:36,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:36,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:13:36,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:36,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 07:13:36,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:36,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:13:36,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:36,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:13:36,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:36,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:13:36,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:36,879 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 07:13:36,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:13:36,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172256256] [2024-11-10 07:13:36,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172256256] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:13:36,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:13:36,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-10 07:13:36,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582650002] [2024-11-10 07:13:36,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:13:36,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 07:13:36,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:13:36,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 07:13:36,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-10 07:13:36,883 INFO L87 Difference]: Start difference. First operand 566 states and 813 transitions. Second operand has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-10 07:13:38,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:13:38,601 INFO L93 Difference]: Finished difference Result 969 states and 1386 transitions. [2024-11-10 07:13:38,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-10 07:13:38,602 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 178 [2024-11-10 07:13:38,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:13:38,606 INFO L225 Difference]: With dead ends: 969 [2024-11-10 07:13:38,607 INFO L226 Difference]: Without dead ends: 612 [2024-11-10 07:13:38,609 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=209, Invalid=603, Unknown=0, NotChecked=0, Total=812 [2024-11-10 07:13:38,609 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 414 mSDsluCounter, 862 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 414 SdHoareTripleChecker+Valid, 1000 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 07:13:38,610 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [414 Valid, 1000 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 430 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 07:13:38,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2024-11-10 07:13:38,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 568. [2024-11-10 07:13:38,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 568 states, 403 states have (on average 1.2903225806451613) internal successors, (520), 407 states have internal predecessors, (520), 148 states have call successors, (148), 16 states have call predecessors, (148), 16 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-10 07:13:38,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 816 transitions. [2024-11-10 07:13:38,672 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 816 transitions. Word has length 178 [2024-11-10 07:13:38,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:13:38,673 INFO L471 AbstractCegarLoop]: Abstraction has 568 states and 816 transitions. [2024-11-10 07:13:38,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-10 07:13:38,673 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 816 transitions. [2024-11-10 07:13:38,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-10 07:13:38,675 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:13:38,675 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:13:38,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 07:13:38,676 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:13:38,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:13:38,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1955509500, now seen corresponding path program 1 times [2024-11-10 07:13:38,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:13:38,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439955336] [2024-11-10 07:13:38,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:13:38,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:13:38,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:41,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:13:41,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:41,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:13:41,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:41,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 07:13:41,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:41,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:13:41,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:41,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 07:13:41,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:41,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:13:41,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:41,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 07:13:41,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:41,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:13:41,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:41,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 07:13:41,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:41,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:13:41,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:41,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 07:13:41,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:41,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:13:41,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:41,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 07:13:41,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:41,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:13:41,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:41,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 07:13:41,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:41,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:13:41,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:41,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 07:13:41,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:41,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:13:41,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:41,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 07:13:41,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:41,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:13:41,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:41,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 07:13:41,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:41,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:13:41,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:41,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 07:13:41,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:41,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:13:41,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:41,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:13:41,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:41,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:13:41,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:41,475 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 07:13:41,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:13:41,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439955336] [2024-11-10 07:13:41,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439955336] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:13:41,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:13:41,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-10 07:13:41,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877760796] [2024-11-10 07:13:41,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:13:41,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 07:13:41,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:13:41,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 07:13:41,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2024-11-10 07:13:41,478 INFO L87 Difference]: Start difference. First operand 568 states and 816 transitions. Second operand has 16 states, 16 states have (on average 3.1875) internal successors, (51), 16 states have internal predecessors, (51), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-10 07:13:43,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:13:43,960 INFO L93 Difference]: Finished difference Result 1187 states and 1689 transitions. [2024-11-10 07:13:43,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-10 07:13:43,962 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.1875) internal successors, (51), 16 states have internal predecessors, (51), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 178 [2024-11-10 07:13:43,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:13:43,967 INFO L225 Difference]: With dead ends: 1187 [2024-11-10 07:13:43,968 INFO L226 Difference]: Without dead ends: 830 [2024-11-10 07:13:43,970 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=317, Invalid=1015, Unknown=0, NotChecked=0, Total=1332 [2024-11-10 07:13:43,971 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 610 mSDsluCounter, 1582 mSDsCounter, 0 mSdLazyCounter, 977 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 610 SdHoareTripleChecker+Valid, 1810 SdHoareTripleChecker+Invalid, 1088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 977 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-10 07:13:43,971 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [610 Valid, 1810 Invalid, 1088 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 977 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-10 07:13:43,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2024-11-10 07:13:44,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 569. [2024-11-10 07:13:44,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 569 states, 404 states have (on average 1.2896039603960396) internal successors, (521), 408 states have internal predecessors, (521), 148 states have call successors, (148), 16 states have call predecessors, (148), 16 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-10 07:13:44,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 817 transitions. [2024-11-10 07:13:44,032 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 817 transitions. Word has length 178 [2024-11-10 07:13:44,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:13:44,033 INFO L471 AbstractCegarLoop]: Abstraction has 569 states and 817 transitions. [2024-11-10 07:13:44,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.1875) internal successors, (51), 16 states have internal predecessors, (51), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-10 07:13:44,034 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 817 transitions. [2024-11-10 07:13:44,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-10 07:13:44,035 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:13:44,036 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:13:44,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 07:13:44,036 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:13:44,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:13:44,036 INFO L85 PathProgramCache]: Analyzing trace with hash -255447643, now seen corresponding path program 1 times [2024-11-10 07:13:44,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:13:44,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065112408] [2024-11-10 07:13:44,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:13:44,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:13:44,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:50,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:13:50,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:50,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:13:50,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:50,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 07:13:50,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:50,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:13:50,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:50,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 07:13:50,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:50,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:13:50,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:50,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 07:13:50,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:50,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:13:50,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:50,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 07:13:50,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:50,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:13:50,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:50,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 07:13:50,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:50,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:13:50,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:50,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 07:13:50,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:50,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:13:50,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:50,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 07:13:50,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:50,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:13:50,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:50,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 07:13:50,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:50,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:13:50,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:50,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 07:13:50,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:50,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:13:50,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:50,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 07:13:50,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:50,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:13:50,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:50,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 07:13:50,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:50,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:13:50,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:50,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:13:50,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:50,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:13:50,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:50,339 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 07:13:50,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:13:50,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065112408] [2024-11-10 07:13:50,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065112408] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:13:50,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:13:50,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-10 07:13:50,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142073018] [2024-11-10 07:13:50,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:13:50,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-10 07:13:50,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:13:50,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-10 07:13:50,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2024-11-10 07:13:50,342 INFO L87 Difference]: Start difference. First operand 569 states and 817 transitions. Second operand has 15 states, 15 states have (on average 3.4) internal successors, (51), 15 states have internal predecessors, (51), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 07:13:55,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:13:55,479 INFO L93 Difference]: Finished difference Result 975 states and 1399 transitions. [2024-11-10 07:13:55,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-10 07:13:55,481 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.4) internal successors, (51), 15 states have internal predecessors, (51), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 178 [2024-11-10 07:13:55,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:13:55,488 INFO L225 Difference]: With dead ends: 975 [2024-11-10 07:13:55,488 INFO L226 Difference]: Without dead ends: 618 [2024-11-10 07:13:55,492 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=213, Invalid=717, Unknown=0, NotChecked=0, Total=930 [2024-11-10 07:13:55,494 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 460 mSDsluCounter, 1106 mSDsCounter, 0 mSdLazyCounter, 1203 mSolverCounterSat, 238 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 460 SdHoareTripleChecker+Valid, 1329 SdHoareTripleChecker+Invalid, 1441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 238 IncrementalHoareTripleChecker+Valid, 1203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-10 07:13:55,495 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [460 Valid, 1329 Invalid, 1441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [238 Valid, 1203 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-10 07:13:55,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2024-11-10 07:13:55,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 573. [2024-11-10 07:13:55,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 573 states, 408 states have (on average 1.286764705882353) internal successors, (525), 412 states have internal predecessors, (525), 148 states have call successors, (148), 16 states have call predecessors, (148), 16 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-10 07:13:55,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 821 transitions. [2024-11-10 07:13:55,563 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 821 transitions. Word has length 178 [2024-11-10 07:13:55,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:13:55,564 INFO L471 AbstractCegarLoop]: Abstraction has 573 states and 821 transitions. [2024-11-10 07:13:55,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.4) internal successors, (51), 15 states have internal predecessors, (51), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 07:13:55,565 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 821 transitions. [2024-11-10 07:13:55,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-10 07:13:55,566 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:13:55,566 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:13:55,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 07:13:55,567 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:13:55,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:13:55,567 INFO L85 PathProgramCache]: Analyzing trace with hash 2046054789, now seen corresponding path program 1 times [2024-11-10 07:13:55,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:13:55,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68151424] [2024-11-10 07:13:55,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:13:55,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:13:55,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:57,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:13:57,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:57,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:13:57,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:57,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 07:13:57,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:57,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:13:57,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:57,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 07:13:57,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:57,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:13:57,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:57,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 07:13:57,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:57,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:13:57,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:57,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 07:13:57,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:57,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:13:57,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:57,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 07:13:57,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:57,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:13:57,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:57,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 07:13:57,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:57,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:13:57,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:57,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 07:13:57,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:57,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:13:57,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:57,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 07:13:57,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:57,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:13:57,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:57,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 07:13:57,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:57,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:13:57,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:57,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 07:13:57,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:57,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:13:57,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:57,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 07:13:57,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:57,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:13:57,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:57,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:13:57,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:57,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:13:57,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:13:57,973 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 07:13:57,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:13:57,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68151424] [2024-11-10 07:13:57,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68151424] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:13:57,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:13:57,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-10 07:13:57,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278191822] [2024-11-10 07:13:57,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:13:57,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 07:13:57,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:13:57,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 07:13:57,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-10 07:13:57,979 INFO L87 Difference]: Start difference. First operand 573 states and 821 transitions. Second operand has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 07:13:59,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:13:59,672 INFO L93 Difference]: Finished difference Result 1005 states and 1432 transitions. [2024-11-10 07:13:59,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-10 07:13:59,675 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 178 [2024-11-10 07:13:59,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:13:59,679 INFO L225 Difference]: With dead ends: 1005 [2024-11-10 07:13:59,680 INFO L226 Difference]: Without dead ends: 648 [2024-11-10 07:13:59,682 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 238 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=309, Invalid=881, Unknown=0, NotChecked=0, Total=1190 [2024-11-10 07:13:59,682 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 490 mSDsluCounter, 1184 mSDsCounter, 0 mSdLazyCounter, 710 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 490 SdHoareTripleChecker+Valid, 1405 SdHoareTripleChecker+Invalid, 794 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 07:13:59,683 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [490 Valid, 1405 Invalid, 794 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 710 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 07:13:59,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2024-11-10 07:13:59,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 574. [2024-11-10 07:13:59,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 574 states, 409 states have (on average 1.2860635696821516) internal successors, (526), 413 states have internal predecessors, (526), 148 states have call successors, (148), 16 states have call predecessors, (148), 16 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-10 07:13:59,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 822 transitions. [2024-11-10 07:13:59,742 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 822 transitions. Word has length 178 [2024-11-10 07:13:59,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:13:59,743 INFO L471 AbstractCegarLoop]: Abstraction has 574 states and 822 transitions. [2024-11-10 07:13:59,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 07:13:59,743 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 822 transitions. [2024-11-10 07:13:59,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-10 07:13:59,744 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:13:59,745 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:13:59,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-10 07:13:59,745 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:13:59,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:13:59,745 INFO L85 PathProgramCache]: Analyzing trace with hash -611657449, now seen corresponding path program 1 times [2024-11-10 07:13:59,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:13:59,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445558047] [2024-11-10 07:13:59,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:13:59,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:13:59,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:02,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:14:02,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:02,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:14:02,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:02,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 07:14:02,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:02,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:14:02,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:02,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 07:14:02,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:02,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:14:02,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:02,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 07:14:02,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:02,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:14:02,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:02,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 07:14:02,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:02,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:14:02,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:02,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 07:14:02,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:02,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:14:02,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:02,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 07:14:02,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:02,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:14:02,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:02,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 07:14:02,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:02,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:14:02,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:02,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 07:14:02,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:02,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:14:02,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:02,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 07:14:02,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:02,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:14:02,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:02,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 07:14:02,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:02,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:14:02,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:02,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 07:14:02,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:02,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:14:02,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:02,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:14:02,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:02,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:14:02,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:02,567 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 07:14:02,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:14:02,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445558047] [2024-11-10 07:14:02,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445558047] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:14:02,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:14:02,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-10 07:14:02,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628561503] [2024-11-10 07:14:02,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:14:02,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 07:14:02,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:14:02,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 07:14:02,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-10 07:14:02,569 INFO L87 Difference]: Start difference. First operand 574 states and 822 transitions. Second operand has 13 states, 13 states have (on average 4.0) internal successors, (52), 13 states have internal predecessors, (52), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 07:14:04,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:14:04,573 INFO L93 Difference]: Finished difference Result 1136 states and 1612 transitions. [2024-11-10 07:14:04,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-10 07:14:04,574 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.0) internal successors, (52), 13 states have internal predecessors, (52), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 179 [2024-11-10 07:14:04,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:14:04,580 INFO L225 Difference]: With dead ends: 1136 [2024-11-10 07:14:04,580 INFO L226 Difference]: Without dead ends: 779 [2024-11-10 07:14:04,582 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=245, Invalid=625, Unknown=0, NotChecked=0, Total=870 [2024-11-10 07:14:04,583 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 547 mSDsluCounter, 895 mSDsCounter, 0 mSdLazyCounter, 988 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 547 SdHoareTripleChecker+Valid, 1054 SdHoareTripleChecker+Invalid, 1127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 988 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-10 07:14:04,583 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [547 Valid, 1054 Invalid, 1127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 988 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-10 07:14:04,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2024-11-10 07:14:04,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 575. [2024-11-10 07:14:04,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 575 states, 410 states have (on average 1.2878048780487805) internal successors, (528), 414 states have internal predecessors, (528), 148 states have call successors, (148), 16 states have call predecessors, (148), 16 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-10 07:14:04,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 824 transitions. [2024-11-10 07:14:04,644 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 824 transitions. Word has length 179 [2024-11-10 07:14:04,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:14:04,644 INFO L471 AbstractCegarLoop]: Abstraction has 575 states and 824 transitions. [2024-11-10 07:14:04,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.0) internal successors, (52), 13 states have internal predecessors, (52), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 07:14:04,645 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 824 transitions. [2024-11-10 07:14:04,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-10 07:14:04,646 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:14:04,646 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:14:04,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-10 07:14:04,646 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:14:04,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:14:04,647 INFO L85 PathProgramCache]: Analyzing trace with hash -905060456, now seen corresponding path program 1 times [2024-11-10 07:14:04,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:14:04,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579574145] [2024-11-10 07:14:04,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:14:04,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:14:04,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:06,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:14:06,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:06,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:14:06,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:06,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 07:14:06,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:06,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:14:06,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:06,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 07:14:06,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:06,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:14:06,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:06,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 07:14:06,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:06,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:14:06,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:06,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 07:14:06,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:06,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:14:06,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:06,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 07:14:06,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:06,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:14:06,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:06,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 07:14:06,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:06,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:14:06,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:06,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 07:14:06,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:06,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:14:06,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:06,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 07:14:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:06,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:14:06,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:06,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 07:14:06,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:06,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:14:06,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:06,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 07:14:06,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:06,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:14:06,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:06,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 07:14:06,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:06,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:14:06,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:06,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:14:06,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:06,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:14:06,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:06,903 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 07:14:06,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:14:06,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579574145] [2024-11-10 07:14:06,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579574145] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:14:06,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:14:06,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 07:14:06,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484630971] [2024-11-10 07:14:06,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:14:06,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 07:14:06,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:14:06,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 07:14:06,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-10 07:14:06,905 INFO L87 Difference]: Start difference. First operand 575 states and 824 transitions. Second operand has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 07:14:08,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:14:08,250 INFO L93 Difference]: Finished difference Result 1194 states and 1690 transitions. [2024-11-10 07:14:08,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 07:14:08,251 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 179 [2024-11-10 07:14:08,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:14:08,257 INFO L225 Difference]: With dead ends: 1194 [2024-11-10 07:14:08,257 INFO L226 Difference]: Without dead ends: 837 [2024-11-10 07:14:08,259 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2024-11-10 07:14:08,261 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 185 mSDsluCounter, 714 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 889 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-10 07:14:08,262 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 889 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-10 07:14:08,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2024-11-10 07:14:08,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 619. [2024-11-10 07:14:08,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 619 states, 454 states have (on average 1.3127753303964758) internal successors, (596), 458 states have internal predecessors, (596), 148 states have call successors, (148), 16 states have call predecessors, (148), 16 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-10 07:14:08,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 892 transitions. [2024-11-10 07:14:08,347 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 892 transitions. Word has length 179 [2024-11-10 07:14:08,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:14:08,348 INFO L471 AbstractCegarLoop]: Abstraction has 619 states and 892 transitions. [2024-11-10 07:14:08,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 07:14:08,348 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 892 transitions. [2024-11-10 07:14:08,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-10 07:14:08,349 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:14:08,349 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:14:08,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-10 07:14:08,350 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:14:08,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:14:08,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1199928471, now seen corresponding path program 1 times [2024-11-10 07:14:08,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:14:08,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601523271] [2024-11-10 07:14:08,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:14:08,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:14:08,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:09,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:14:09,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:09,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:14:09,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:09,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 07:14:09,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:09,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:14:09,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:09,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 07:14:09,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:09,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:14:09,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:09,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 07:14:09,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:09,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:14:09,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:09,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 07:14:09,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:09,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:14:09,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:09,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 07:14:09,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:09,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:14:09,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:09,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 07:14:09,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:09,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:14:09,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:09,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 07:14:09,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:09,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:14:09,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:09,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 07:14:09,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:09,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:14:09,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:09,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 07:14:09,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:09,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:14:09,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:09,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 07:14:09,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:09,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:14:09,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:09,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 07:14:09,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:09,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:14:09,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:09,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:14:09,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:09,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:14:09,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:09,633 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-10 07:14:09,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:14:09,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601523271] [2024-11-10 07:14:09,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601523271] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 07:14:09,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 07:14:09,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 07:14:09,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335012617] [2024-11-10 07:14:09,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 07:14:09,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 07:14:09,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 07:14:09,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 07:14:09,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-10 07:14:09,636 INFO L87 Difference]: Start difference. First operand 619 states and 892 transitions. Second operand has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 07:14:10,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 07:14:10,499 INFO L93 Difference]: Finished difference Result 1300 states and 1860 transitions. [2024-11-10 07:14:10,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 07:14:10,500 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 179 [2024-11-10 07:14:10,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 07:14:10,506 INFO L225 Difference]: With dead ends: 1300 [2024-11-10 07:14:10,507 INFO L226 Difference]: Without dead ends: 899 [2024-11-10 07:14:10,508 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-10 07:14:10,509 INFO L432 NwaCegarLoop]: 277 mSDtfsCounter, 187 mSDsluCounter, 803 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 1080 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 07:14:10,509 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 1080 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 633 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 07:14:10,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 899 states. [2024-11-10 07:14:10,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 899 to 616. [2024-11-10 07:14:10,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 616 states, 451 states have (on average 1.3170731707317074) internal successors, (594), 455 states have internal predecessors, (594), 148 states have call successors, (148), 16 states have call predecessors, (148), 16 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-10 07:14:10,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 616 states and 890 transitions. [2024-11-10 07:14:10,592 INFO L78 Accepts]: Start accepts. Automaton has 616 states and 890 transitions. Word has length 179 [2024-11-10 07:14:10,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 07:14:10,592 INFO L471 AbstractCegarLoop]: Abstraction has 616 states and 890 transitions. [2024-11-10 07:14:10,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-10 07:14:10,593 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 890 transitions. [2024-11-10 07:14:10,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-10 07:14:10,594 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 07:14:10,594 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 07:14:10,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-10 07:14:10,594 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 07:14:10,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 07:14:10,595 INFO L85 PathProgramCache]: Analyzing trace with hash 2066793504, now seen corresponding path program 1 times [2024-11-10 07:14:10,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 07:14:10,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031696965] [2024-11-10 07:14:10,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:14:10,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 07:14:10,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:10,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 07:14:10,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:10,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 07:14:10,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:10,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 07:14:10,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:10,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 07:14:10,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:10,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 07:14:10,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:10,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 07:14:10,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:10,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 07:14:10,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:10,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 07:14:10,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:10,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 07:14:10,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:10,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 07:14:10,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:11,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 07:14:11,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:11,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 07:14:11,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:11,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 07:14:11,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:11,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 07:14:11,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:11,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-10 07:14:11,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:11,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 07:14:11,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:11,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 07:14:11,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:11,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 07:14:11,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:11,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 07:14:11,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:11,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 07:14:11,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:11,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 07:14:11,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:11,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 07:14:11,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:11,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-10 07:14:11,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:11,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 07:14:11,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:11,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 07:14:11,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:11,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 07:14:11,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:11,047 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 27 proven. 48 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-10 07:14:11,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 07:14:11,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031696965] [2024-11-10 07:14:11,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031696965] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 07:14:11,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1863639035] [2024-11-10 07:14:11,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 07:14:11,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 07:14:11,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 07:14:11,050 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 07:14:11,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 07:14:11,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 07:14:11,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-10 07:14:11,210 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 07:14:11,587 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 637 proven. 90 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2024-11-10 07:14:11,587 INFO L311 TraceCheckSpWp]: Computing backward predicates...