./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-20.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-20.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 e22f36fcb48e37029a5451272d2b65f2136f0249698c819249f45360edf16ac5 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 16:08:27,914 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 16:08:28,002 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 16:08:28,007 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 16:08:28,008 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 16:08:28,037 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 16:08:28,038 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 16:08:28,038 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 16:08:28,039 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 16:08:28,041 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 16:08:28,041 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 16:08:28,042 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 16:08:28,042 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 16:08:28,044 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 16:08:28,045 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 16:08:28,045 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 16:08:28,045 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 16:08:28,045 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 16:08:28,046 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 16:08:28,046 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 16:08:28,046 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 16:08:28,050 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 16:08:28,051 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 16:08:28,051 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 16:08:28,051 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 16:08:28,051 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 16:08:28,052 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 16:08:28,052 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 16:08:28,052 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 16:08:28,053 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 16:08:28,053 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 16:08:28,053 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 16:08:28,053 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 16:08:28,053 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 16:08:28,054 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 16:08:28,054 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 16:08:28,054 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 16:08:28,054 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 16:08:28,055 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 16:08:28,055 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 16:08:28,055 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 16:08:28,056 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 16:08:28,056 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e22f36fcb48e37029a5451272d2b65f2136f0249698c819249f45360edf16ac5 [2024-11-16 16:08:28,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 16:08:28,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 16:08:28,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 16:08:28,364 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 16:08:28,364 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 16:08:28,365 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-20.i [2024-11-16 16:08:29,879 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 16:08:30,115 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 16:08:30,117 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-20.i [2024-11-16 16:08:30,134 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/856e3b411/b6b89d0e35234bcd9c3694a2219eebeb/FLAGf28a67f6c [2024-11-16 16:08:30,440 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/856e3b411/b6b89d0e35234bcd9c3694a2219eebeb [2024-11-16 16:08:30,442 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 16:08:30,443 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 16:08:30,445 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 16:08:30,445 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 16:08:30,451 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 16:08:30,452 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:08:30" (1/1) ... [2024-11-16 16:08:30,453 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@333bc8e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:08:30, skipping insertion in model container [2024-11-16 16:08:30,453 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:08:30" (1/1) ... [2024-11-16 16:08:30,487 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 16:08:30,672 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-20.i[916,929] [2024-11-16 16:08:30,770 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 16:08:30,782 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 16:08:30,793 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-20.i[916,929] [2024-11-16 16:08:30,831 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 16:08:30,854 INFO L204 MainTranslator]: Completed translation [2024-11-16 16:08:30,855 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:08:30 WrapperNode [2024-11-16 16:08:30,855 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 16:08:30,856 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 16:08:30,856 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 16:08:30,856 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 16:08:30,863 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:08:30" (1/1) ... [2024-11-16 16:08:30,878 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:08:30" (1/1) ... [2024-11-16 16:08:30,939 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 260 [2024-11-16 16:08:30,940 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 16:08:30,941 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 16:08:30,941 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 16:08:30,941 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 16:08:30,954 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:08:30" (1/1) ... [2024-11-16 16:08:30,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:08:30" (1/1) ... [2024-11-16 16:08:30,959 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:08:30" (1/1) ... [2024-11-16 16:08:31,003 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-16 16:08:31,003 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:08:30" (1/1) ... [2024-11-16 16:08:31,003 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:08:30" (1/1) ... [2024-11-16 16:08:31,019 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:08:30" (1/1) ... [2024-11-16 16:08:31,022 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:08:30" (1/1) ... [2024-11-16 16:08:31,028 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:08:30" (1/1) ... [2024-11-16 16:08:31,031 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:08:30" (1/1) ... [2024-11-16 16:08:31,073 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 16:08:31,074 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 16:08:31,074 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 16:08:31,074 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 16:08:31,075 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:08:30" (1/1) ... [2024-11-16 16:08:31,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 16:08:31,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 16:08:31,110 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 16:08:31,114 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 16:08:31,161 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 16:08:31,162 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 16:08:31,163 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 16:08:31,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 16:08:31,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 16:08:31,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 16:08:31,269 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 16:08:31,271 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 16:08:31,762 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L199: havoc property_#t~bitwise23#1;havoc property_#t~short24#1;havoc property_#t~ite27#1;havoc property_#t~ite26#1;havoc property_#t~bitwise25#1;havoc property_#t~short28#1; [2024-11-16 16:08:31,831 INFO L? ?]: Removed 37 outVars from TransFormulas that were not future-live. [2024-11-16 16:08:31,832 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 16:08:31,857 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 16:08:31,861 INFO L336 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-16 16:08:31,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 04:08:31 BoogieIcfgContainer [2024-11-16 16:08:31,863 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 16:08:31,866 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 16:08:31,867 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 16:08:31,870 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 16:08:31,871 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 04:08:30" (1/3) ... [2024-11-16 16:08:31,872 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2db9e882 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:08:31, skipping insertion in model container [2024-11-16 16:08:31,872 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:08:30" (2/3) ... [2024-11-16 16:08:31,873 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2db9e882 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:08:31, skipping insertion in model container [2024-11-16 16:08:31,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 04:08:31" (3/3) ... [2024-11-16 16:08:31,875 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-20.i [2024-11-16 16:08:31,892 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 16:08:31,893 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 16:08:31,957 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 16:08:31,964 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;@186c0408, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 16:08:31,965 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 16:08:31,970 INFO L276 IsEmpty]: Start isEmpty. Operand has 119 states, 85 states have (on average 1.423529411764706) internal successors, (121), 86 states have internal predecessors, (121), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-16 16:08:31,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-16 16:08:31,989 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:08:31,990 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:08:31,992 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:08:31,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:08:31,998 INFO L85 PathProgramCache]: Analyzing trace with hash 849738133, now seen corresponding path program 1 times [2024-11-16 16:08:32,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:08:32,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591765391] [2024-11-16 16:08:32,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:08:32,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:08:32,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:32,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:08:32,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:32,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 16:08:32,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:32,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 16:08:32,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:32,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 16:08:32,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:32,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 16:08:32,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:32,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 16:08:32,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:32,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 16:08:32,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:32,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 16:08:32,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:32,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 16:08:32,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:32,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 16:08:32,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:32,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 16:08:32,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:32,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 16:08:32,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:32,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 16:08:32,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:32,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 16:08:32,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:32,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 16:08:32,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:32,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 16:08:32,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:32,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 16:08:32,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:32,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 16:08:32,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:32,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 16:08:32,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:32,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 16:08:32,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:32,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 16:08:32,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:32,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 16:08:32,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:32,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 16:08:32,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:32,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 16:08:32,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:32,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 16:08:32,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:32,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 16:08:32,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:32,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 16:08:32,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:32,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 16:08:32,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:32,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 16:08:32,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:32,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 16:08:32,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:32,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 16:08:32,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:32,560 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-16 16:08:32,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:08:32,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591765391] [2024-11-16 16:08:32,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591765391] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:08:32,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:08:32,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 16:08:32,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280093649] [2024-11-16 16:08:32,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:08:32,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 16:08:32,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:08:32,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 16:08:32,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 16:08:32,600 INFO L87 Difference]: Start difference. First operand has 119 states, 85 states have (on average 1.423529411764706) internal successors, (121), 86 states have internal predecessors, (121), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-16 16:08:32,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:08:32,642 INFO L93 Difference]: Finished difference Result 230 states and 390 transitions. [2024-11-16 16:08:32,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 16:08:32,645 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) Word has length 206 [2024-11-16 16:08:32,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:08:32,654 INFO L225 Difference]: With dead ends: 230 [2024-11-16 16:08:32,655 INFO L226 Difference]: Without dead ends: 114 [2024-11-16 16:08:32,660 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 16:08:32,663 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 16:08:32,665 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 171 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 16:08:32,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-16 16:08:32,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2024-11-16 16:08:32,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 81 states have (on average 1.3950617283950617) internal successors, (113), 81 states have internal predecessors, (113), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-16 16:08:32,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 175 transitions. [2024-11-16 16:08:32,710 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 175 transitions. Word has length 206 [2024-11-16 16:08:32,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:08:32,711 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 175 transitions. [2024-11-16 16:08:32,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-16 16:08:32,712 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 175 transitions. [2024-11-16 16:08:32,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-16 16:08:32,716 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:08:32,716 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:08:32,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 16:08:32,717 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:08:32,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:08:32,718 INFO L85 PathProgramCache]: Analyzing trace with hash -940684174, now seen corresponding path program 1 times [2024-11-16 16:08:32,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:08:32,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972546007] [2024-11-16 16:08:32,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:08:32,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:08:32,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:33,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:08:33,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:33,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 16:08:33,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:33,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 16:08:33,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:33,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 16:08:33,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:33,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 16:08:33,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:33,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 16:08:33,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:33,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 16:08:33,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:33,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 16:08:33,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:33,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 16:08:33,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:33,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 16:08:33,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:33,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 16:08:33,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:33,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 16:08:33,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:33,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 16:08:33,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:33,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 16:08:33,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:33,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 16:08:33,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:33,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 16:08:33,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:33,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 16:08:33,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:33,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 16:08:33,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:33,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 16:08:33,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:33,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 16:08:33,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:33,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 16:08:33,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:33,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 16:08:33,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:33,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 16:08:33,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:33,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 16:08:33,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:33,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 16:08:33,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:33,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 16:08:33,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:33,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 16:08:33,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:33,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 16:08:33,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:33,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 16:08:33,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:33,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 16:08:33,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:33,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 16:08:33,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:33,571 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-16 16:08:33,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:08:33,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972546007] [2024-11-16 16:08:33,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972546007] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:08:33,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:08:33,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 16:08:33,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266615721] [2024-11-16 16:08:33,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:08:33,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 16:08:33,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:08:33,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 16:08:33,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 16:08:33,581 INFO L87 Difference]: Start difference. First operand 114 states and 175 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-16 16:08:33,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:08:33,967 INFO L93 Difference]: Finished difference Result 372 states and 573 transitions. [2024-11-16 16:08:33,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 16:08:33,967 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 206 [2024-11-16 16:08:33,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:08:33,971 INFO L225 Difference]: With dead ends: 372 [2024-11-16 16:08:33,971 INFO L226 Difference]: Without dead ends: 261 [2024-11-16 16:08:33,972 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 16:08:33,974 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 172 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 521 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 16:08:33,974 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 521 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 16:08:33,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2024-11-16 16:08:34,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 247. [2024-11-16 16:08:34,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 182 states have (on average 1.3956043956043955) internal successors, (254), 182 states have internal predecessors, (254), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-16 16:08:34,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 378 transitions. [2024-11-16 16:08:34,018 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 378 transitions. Word has length 206 [2024-11-16 16:08:34,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:08:34,019 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 378 transitions. [2024-11-16 16:08:34,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-16 16:08:34,023 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 378 transitions. [2024-11-16 16:08:34,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2024-11-16 16:08:34,028 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:08:34,028 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:08:34,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 16:08:34,029 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:08:34,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:08:34,029 INFO L85 PathProgramCache]: Analyzing trace with hash 680113710, now seen corresponding path program 1 times [2024-11-16 16:08:34,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:08:34,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942330979] [2024-11-16 16:08:34,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:08:34,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:08:34,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:34,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:08:34,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:34,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 16:08:34,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:34,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 16:08:34,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:34,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 16:08:34,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:34,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 16:08:34,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:34,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 16:08:34,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:34,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 16:08:34,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:34,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 16:08:34,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:34,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 16:08:34,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:34,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 16:08:34,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:34,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 16:08:34,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:34,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 16:08:34,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:34,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 16:08:34,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:34,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 16:08:34,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:34,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 16:08:34,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:34,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 16:08:34,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:34,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 16:08:34,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:34,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 16:08:34,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:34,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 16:08:34,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:34,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 16:08:34,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:34,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 16:08:34,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:34,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 16:08:34,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:34,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 16:08:34,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:34,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 16:08:34,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:34,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 16:08:34,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:34,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 16:08:34,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:34,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 16:08:34,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:34,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 16:08:34,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:34,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 16:08:34,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:34,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 16:08:34,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:34,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 16:08:34,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:34,677 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-16 16:08:34,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:08:34,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942330979] [2024-11-16 16:08:34,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942330979] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:08:34,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:08:34,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 16:08:34,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969806842] [2024-11-16 16:08:34,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:08:34,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 16:08:34,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:08:34,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 16:08:34,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 16:08:34,682 INFO L87 Difference]: Start difference. First operand 247 states and 378 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-16 16:08:35,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:08:35,005 INFO L93 Difference]: Finished difference Result 718 states and 1099 transitions. [2024-11-16 16:08:35,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 16:08:35,005 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 207 [2024-11-16 16:08:35,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:08:35,014 INFO L225 Difference]: With dead ends: 718 [2024-11-16 16:08:35,015 INFO L226 Difference]: Without dead ends: 474 [2024-11-16 16:08:35,017 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 16:08:35,019 INFO L432 NwaCegarLoop]: 252 mSDtfsCounter, 145 mSDsluCounter, 329 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 16:08:35,022 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 581 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 16:08:35,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 474 states. [2024-11-16 16:08:35,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 474 to 322. [2024-11-16 16:08:35,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 257 states have (on average 1.443579766536965) internal successors, (371), 257 states have internal predecessors, (371), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-16 16:08:35,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 495 transitions. [2024-11-16 16:08:35,061 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 495 transitions. Word has length 207 [2024-11-16 16:08:35,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:08:35,062 INFO L471 AbstractCegarLoop]: Abstraction has 322 states and 495 transitions. [2024-11-16 16:08:35,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-16 16:08:35,062 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 495 transitions. [2024-11-16 16:08:35,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-16 16:08:35,065 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:08:35,065 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:08:35,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 16:08:35,065 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:08:35,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:08:35,066 INFO L85 PathProgramCache]: Analyzing trace with hash -177394750, now seen corresponding path program 1 times [2024-11-16 16:08:35,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:08:35,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974373445] [2024-11-16 16:08:35,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:08:35,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:08:35,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:37,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:08:37,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:37,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 16:08:37,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:37,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 16:08:37,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:37,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 16:08:37,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:37,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 16:08:37,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:37,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 16:08:37,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:37,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 16:08:37,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:37,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 16:08:37,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:37,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 16:08:37,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:37,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 16:08:37,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:37,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 16:08:37,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:37,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 16:08:37,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:37,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 16:08:37,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:37,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 16:08:37,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:37,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 16:08:37,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:37,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 16:08:37,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:37,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 16:08:37,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:37,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 16:08:37,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:37,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 16:08:37,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:37,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 16:08:37,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:37,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 16:08:37,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:37,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 16:08:37,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:37,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 16:08:37,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:37,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 16:08:37,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:37,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 16:08:37,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:37,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 16:08:37,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:37,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 16:08:37,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:37,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 16:08:37,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:37,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 16:08:37,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:37,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 16:08:37,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:37,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 16:08:37,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:37,755 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-16 16:08:37,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:08:37,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974373445] [2024-11-16 16:08:37,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974373445] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:08:37,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:08:37,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 16:08:37,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273391153] [2024-11-16 16:08:37,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:08:37,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 16:08:37,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:08:37,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 16:08:37,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-11-16 16:08:37,759 INFO L87 Difference]: Start difference. First operand 322 states and 495 transitions. Second operand has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-16 16:08:39,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:08:39,371 INFO L93 Difference]: Finished difference Result 1045 states and 1593 transitions. [2024-11-16 16:08:39,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 16:08:39,372 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 208 [2024-11-16 16:08:39,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:08:39,377 INFO L225 Difference]: With dead ends: 1045 [2024-11-16 16:08:39,377 INFO L226 Difference]: Without dead ends: 726 [2024-11-16 16:08:39,378 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 65 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=37, Invalid=53, Unknown=0, NotChecked=0, Total=90 [2024-11-16 16:08:39,379 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 579 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 395 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 579 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-16 16:08:39,379 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [579 Valid, 433 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 395 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-16 16:08:39,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 726 states. [2024-11-16 16:08:39,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 726 to 438. [2024-11-16 16:08:39,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 373 states have (on average 1.479892761394102) internal successors, (552), 373 states have internal predecessors, (552), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-16 16:08:39,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 676 transitions. [2024-11-16 16:08:39,409 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 676 transitions. Word has length 208 [2024-11-16 16:08:39,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:08:39,410 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 676 transitions. [2024-11-16 16:08:39,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-16 16:08:39,410 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 676 transitions. [2024-11-16 16:08:39,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-16 16:08:39,412 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:08:39,413 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:08:39,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 16:08:39,413 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:08:39,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:08:39,414 INFO L85 PathProgramCache]: Analyzing trace with hash -687928927, now seen corresponding path program 1 times [2024-11-16 16:08:39,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:08:39,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781773277] [2024-11-16 16:08:39,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:08:39,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:08:39,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:42,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:08:42,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:42,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 16:08:42,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:42,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 16:08:42,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:42,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 16:08:42,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:42,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 16:08:42,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:42,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 16:08:42,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:42,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 16:08:42,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:42,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 16:08:42,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:42,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 16:08:42,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:42,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 16:08:42,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:42,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 16:08:42,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:42,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 16:08:42,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:42,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 16:08:42,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:42,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 16:08:42,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:42,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 16:08:42,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:42,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 16:08:42,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:42,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 16:08:42,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:42,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 16:08:42,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:42,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 16:08:42,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:42,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 16:08:42,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:42,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 16:08:42,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:42,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 16:08:42,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:42,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 16:08:42,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:42,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 16:08:42,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:42,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 16:08:42,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:42,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 16:08:42,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:42,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 16:08:42,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:42,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 16:08:42,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:42,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 16:08:42,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:42,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 16:08:42,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:42,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 16:08:42,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:42,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-16 16:08:42,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:08:42,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781773277] [2024-11-16 16:08:42,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781773277] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:08:42,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:08:42,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-16 16:08:42,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817290560] [2024-11-16 16:08:42,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:08:42,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 16:08:42,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:08:42,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 16:08:42,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-16 16:08:42,570 INFO L87 Difference]: Start difference. First operand 438 states and 676 transitions. Second operand has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 13 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-16 16:08:45,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:08:45,832 INFO L93 Difference]: Finished difference Result 1283 states and 1943 transitions. [2024-11-16 16:08:45,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-16 16:08:45,834 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 13 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 208 [2024-11-16 16:08:45,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:08:45,840 INFO L225 Difference]: With dead ends: 1283 [2024-11-16 16:08:45,840 INFO L226 Difference]: Without dead ends: 848 [2024-11-16 16:08:45,842 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 65 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=208, Invalid=494, Unknown=0, NotChecked=0, Total=702 [2024-11-16 16:08:45,843 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 739 mSDsluCounter, 813 mSDsCounter, 0 mSdLazyCounter, 1084 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 739 SdHoareTripleChecker+Valid, 987 SdHoareTripleChecker+Invalid, 1185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 1084 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-16 16:08:45,843 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [739 Valid, 987 Invalid, 1185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 1084 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-16 16:08:45,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2024-11-16 16:08:45,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 546. [2024-11-16 16:08:45,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 546 states, 449 states have (on average 1.4587973273942094) internal successors, (655), 449 states have internal predecessors, (655), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-16 16:08:45,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 841 transitions. [2024-11-16 16:08:45,887 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 841 transitions. Word has length 208 [2024-11-16 16:08:45,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:08:45,888 INFO L471 AbstractCegarLoop]: Abstraction has 546 states and 841 transitions. [2024-11-16 16:08:45,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.3076923076923075) internal successors, (56), 13 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-16 16:08:45,888 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 841 transitions. [2024-11-16 16:08:45,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-16 16:08:45,891 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:08:45,891 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:08:45,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 16:08:45,891 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:08:45,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:08:45,892 INFO L85 PathProgramCache]: Analyzing trace with hash -586218975, now seen corresponding path program 1 times [2024-11-16 16:08:45,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:08:45,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953595476] [2024-11-16 16:08:45,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:08:45,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:08:46,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:47,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:08:47,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:47,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 16:08:47,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:47,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 16:08:47,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:47,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 16:08:47,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:47,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 16:08:47,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:47,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 16:08:47,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:47,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 16:08:47,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:47,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 16:08:47,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:47,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 16:08:47,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:47,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 16:08:47,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:47,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 16:08:47,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:47,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 16:08:47,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:47,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 16:08:47,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:47,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 16:08:47,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:47,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 16:08:47,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:47,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 16:08:47,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:47,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 16:08:47,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:47,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 16:08:47,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:47,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 16:08:47,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:47,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 16:08:47,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:47,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 16:08:47,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:47,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 16:08:47,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:47,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 16:08:47,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:47,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 16:08:47,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:47,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 16:08:47,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:47,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 16:08:47,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:47,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 16:08:47,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:47,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 16:08:47,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:47,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 16:08:47,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:47,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 16:08:47,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:47,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 16:08:47,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:47,597 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-16 16:08:47,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:08:47,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953595476] [2024-11-16 16:08:47,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953595476] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:08:47,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:08:47,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 16:08:47,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971816037] [2024-11-16 16:08:47,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:08:47,601 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 16:08:47,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:08:47,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 16:08:47,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-11-16 16:08:47,604 INFO L87 Difference]: Start difference. First operand 546 states and 841 transitions. Second operand has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-16 16:08:48,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:08:48,637 INFO L93 Difference]: Finished difference Result 1225 states and 1845 transitions. [2024-11-16 16:08:48,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 16:08:48,638 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 208 [2024-11-16 16:08:48,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:08:48,643 INFO L225 Difference]: With dead ends: 1225 [2024-11-16 16:08:48,643 INFO L226 Difference]: Without dead ends: 790 [2024-11-16 16:08:48,644 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-16 16:08:48,645 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 388 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 388 SdHoareTripleChecker+Valid, 653 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-16 16:08:48,647 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [388 Valid, 653 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-16 16:08:48,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2024-11-16 16:08:48,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 541. [2024-11-16 16:08:48,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 444 states have (on average 1.4572072072072073) internal successors, (647), 444 states have internal predecessors, (647), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-16 16:08:48,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 833 transitions. [2024-11-16 16:08:48,687 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 833 transitions. Word has length 208 [2024-11-16 16:08:48,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:08:48,690 INFO L471 AbstractCegarLoop]: Abstraction has 541 states and 833 transitions. [2024-11-16 16:08:48,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-16 16:08:48,690 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 833 transitions. [2024-11-16 16:08:48,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-16 16:08:48,693 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:08:48,693 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:08:48,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 16:08:48,693 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:08:48,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:08:48,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1096753152, now seen corresponding path program 1 times [2024-11-16 16:08:48,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:08:48,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312719476] [2024-11-16 16:08:48,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:08:48,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:08:48,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:50,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:08:50,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:50,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 16:08:50,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:50,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 16:08:50,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:50,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 16:08:50,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:50,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 16:08:50,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:50,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 16:08:50,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:50,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 16:08:50,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:50,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 16:08:50,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:50,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 16:08:50,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:50,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 16:08:50,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:50,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 16:08:50,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:50,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 16:08:50,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:50,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 16:08:50,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:50,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 16:08:50,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:50,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 16:08:50,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:50,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 16:08:50,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:50,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 16:08:50,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:50,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 16:08:50,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:50,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 16:08:50,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:50,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 16:08:50,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:50,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 16:08:50,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:50,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 16:08:50,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:50,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 16:08:50,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:50,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 16:08:50,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:50,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 16:08:50,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:50,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 16:08:50,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:50,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 16:08:50,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:50,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 16:08:50,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:50,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 16:08:50,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:50,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 16:08:50,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:50,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 16:08:50,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:50,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-16 16:08:50,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:08:50,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312719476] [2024-11-16 16:08:50,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312719476] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:08:50,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:08:50,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 16:08:50,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519753805] [2024-11-16 16:08:50,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:08:50,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 16:08:50,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:08:50,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 16:08:50,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-16 16:08:50,241 INFO L87 Difference]: Start difference. First operand 541 states and 833 transitions. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-16 16:08:51,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:08:51,782 INFO L93 Difference]: Finished difference Result 1169 states and 1756 transitions. [2024-11-16 16:08:51,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 16:08:51,783 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 208 [2024-11-16 16:08:51,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:08:51,787 INFO L225 Difference]: With dead ends: 1169 [2024-11-16 16:08:51,787 INFO L226 Difference]: Without dead ends: 739 [2024-11-16 16:08:51,789 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-16 16:08:51,790 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 362 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 578 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 362 SdHoareTripleChecker+Valid, 727 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-16 16:08:51,792 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [362 Valid, 727 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 578 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-16 16:08:51,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2024-11-16 16:08:51,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 506. [2024-11-16 16:08:51,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 409 states have (on average 1.4474327628361858) internal successors, (592), 409 states have internal predecessors, (592), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-16 16:08:51,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 778 transitions. [2024-11-16 16:08:51,823 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 778 transitions. Word has length 208 [2024-11-16 16:08:51,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:08:51,823 INFO L471 AbstractCegarLoop]: Abstraction has 506 states and 778 transitions. [2024-11-16 16:08:51,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-16 16:08:51,824 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 778 transitions. [2024-11-16 16:08:51,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-11-16 16:08:51,826 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:08:51,826 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:08:51,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 16:08:51,826 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:08:51,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:08:51,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1466776625, now seen corresponding path program 1 times [2024-11-16 16:08:51,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:08:51,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721941468] [2024-11-16 16:08:51,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:08:51,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:08:51,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:51,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:08:51,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:51,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 16:08:51,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:51,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 16:08:51,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:51,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 16:08:51,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:51,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 16:08:51,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:51,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 16:08:51,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:51,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 16:08:51,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:51,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 16:08:51,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:51,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 16:08:51,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:51,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 16:08:51,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:51,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 16:08:51,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:51,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 16:08:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:51,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 16:08:51,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:51,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 16:08:51,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:51,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 16:08:51,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:51,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 16:08:51,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:51,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 16:08:51,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:51,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 16:08:51,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:51,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 16:08:51,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:51,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 16:08:51,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:51,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 16:08:51,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:51,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 16:08:51,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:51,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 16:08:51,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:51,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 16:08:51,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:51,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 16:08:51,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:51,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 16:08:51,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:51,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 16:08:51,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:51,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 16:08:51,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:51,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 16:08:51,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:51,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 16:08:51,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:51,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 16:08:51,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:51,973 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-16 16:08:51,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:08:51,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721941468] [2024-11-16 16:08:51,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721941468] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:08:51,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:08:51,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 16:08:51,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356158851] [2024-11-16 16:08:51,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:08:51,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 16:08:51,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:08:51,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 16:08:51,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 16:08:51,976 INFO L87 Difference]: Start difference. First operand 506 states and 778 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-16 16:08:52,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:08:52,076 INFO L93 Difference]: Finished difference Result 1228 states and 1892 transitions. [2024-11-16 16:08:52,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 16:08:52,077 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 208 [2024-11-16 16:08:52,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:08:52,081 INFO L225 Difference]: With dead ends: 1228 [2024-11-16 16:08:52,081 INFO L226 Difference]: Without dead ends: 810 [2024-11-16 16:08:52,082 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 16:08:52,084 INFO L432 NwaCegarLoop]: 306 mSDtfsCounter, 149 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 16:08:52,084 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 449 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 16:08:52,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 810 states. [2024-11-16 16:08:52,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 810 to 660. [2024-11-16 16:08:52,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 660 states, 563 states have (on average 1.4742451154529308) internal successors, (830), 563 states have internal predecessors, (830), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-16 16:08:52,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 1016 transitions. [2024-11-16 16:08:52,120 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 1016 transitions. Word has length 208 [2024-11-16 16:08:52,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:08:52,120 INFO L471 AbstractCegarLoop]: Abstraction has 660 states and 1016 transitions. [2024-11-16 16:08:52,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-16 16:08:52,121 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 1016 transitions. [2024-11-16 16:08:52,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-16 16:08:52,123 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:08:52,123 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:08:52,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 16:08:52,123 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:08:52,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:08:52,124 INFO L85 PathProgramCache]: Analyzing trace with hash -1399860788, now seen corresponding path program 1 times [2024-11-16 16:08:52,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:08:52,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616243018] [2024-11-16 16:08:52,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:08:52,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:08:52,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:52,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:08:52,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:52,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 16:08:52,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:52,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 16:08:52,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:52,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 16:08:52,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:52,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 16:08:52,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:52,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 16:08:52,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:52,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 16:08:52,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:52,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 16:08:52,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:52,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 16:08:52,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:52,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 16:08:52,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:52,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 16:08:52,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:52,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 16:08:52,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:52,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 16:08:52,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:52,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 16:08:52,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:52,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 16:08:52,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:52,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 16:08:52,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:52,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 16:08:52,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:52,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 16:08:52,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:52,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 16:08:52,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:52,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 16:08:52,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:52,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 16:08:52,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:52,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 16:08:52,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:52,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 16:08:52,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:52,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 16:08:52,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:52,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 16:08:52,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:52,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 16:08:52,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:52,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 16:08:52,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:52,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 16:08:52,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:52,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 16:08:52,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:52,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 16:08:52,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:52,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 16:08:52,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:52,361 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-16 16:08:52,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:08:52,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616243018] [2024-11-16 16:08:52,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616243018] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:08:52,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:08:52,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 16:08:52,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146293261] [2024-11-16 16:08:52,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:08:52,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 16:08:52,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:08:52,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 16:08:52,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 16:08:52,363 INFO L87 Difference]: Start difference. First operand 660 states and 1016 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-16 16:08:53,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:08:53,046 INFO L93 Difference]: Finished difference Result 1519 states and 2344 transitions. [2024-11-16 16:08:53,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 16:08:53,046 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 209 [2024-11-16 16:08:53,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:08:53,052 INFO L225 Difference]: With dead ends: 1519 [2024-11-16 16:08:53,052 INFO L226 Difference]: Without dead ends: 970 [2024-11-16 16:08:53,054 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 16:08:53,054 INFO L432 NwaCegarLoop]: 308 mSDtfsCounter, 154 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-16 16:08:53,054 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 656 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-16 16:08:53,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 970 states. [2024-11-16 16:08:53,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 970 to 701. [2024-11-16 16:08:53,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 701 states, 604 states have (on average 1.468543046357616) internal successors, (887), 604 states have internal predecessors, (887), 93 states have call successors, (93), 3 states have call predecessors, (93), 3 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2024-11-16 16:08:53,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 1073 transitions. [2024-11-16 16:08:53,093 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 1073 transitions. Word has length 209 [2024-11-16 16:08:53,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:08:53,094 INFO L471 AbstractCegarLoop]: Abstraction has 701 states and 1073 transitions. [2024-11-16 16:08:53,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-16 16:08:53,094 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 1073 transitions. [2024-11-16 16:08:53,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-11-16 16:08:53,096 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:08:53,097 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:08:53,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 16:08:53,097 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:08:53,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:08:53,097 INFO L85 PathProgramCache]: Analyzing trace with hash 1392487556, now seen corresponding path program 1 times [2024-11-16 16:08:53,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:08:53,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398659204] [2024-11-16 16:08:53,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:08:53,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:08:53,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:53,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:08:53,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:53,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 16:08:53,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:53,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 16:08:53,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:53,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 16:08:53,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:53,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 16:08:53,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:53,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 16:08:53,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:53,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 16:08:53,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:53,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 16:08:53,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:53,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 16:08:53,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:53,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 16:08:53,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:53,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 16:08:53,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:53,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 16:08:53,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:53,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 16:08:53,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:53,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 16:08:53,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:53,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 16:08:53,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:53,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 16:08:53,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:53,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 16:08:53,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:53,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 16:08:53,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:53,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 16:08:53,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:53,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 16:08:53,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:53,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 16:08:53,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:53,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 16:08:53,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:53,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 16:08:53,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:53,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 16:08:53,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:53,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 16:08:53,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:53,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 16:08:53,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:53,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 16:08:53,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:53,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 16:08:53,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:53,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 16:08:53,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:53,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 16:08:53,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:53,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 16:08:53,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:53,703 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 12 proven. 78 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2024-11-16 16:08:53,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:08:53,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398659204] [2024-11-16 16:08:53,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398659204] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 16:08:53,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [280139750] [2024-11-16 16:08:53,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:08:53,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 16:08:53,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 16:08:53,706 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) [2024-11-16 16:08:53,707 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-16 16:08:53,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:53,857 INFO L255 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-16 16:08:53,870 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 16:08:54,566 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 872 proven. 114 refuted. 0 times theorem prover too weak. 874 trivial. 0 not checked. [2024-11-16 16:08:54,567 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 16:08:54,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [280139750] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 16:08:54,821 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-16 16:08:54,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 13 [2024-11-16 16:08:54,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728780835] [2024-11-16 16:08:54,822 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-16 16:08:54,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 16:08:54,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:08:54,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 16:08:54,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2024-11-16 16:08:54,824 INFO L87 Difference]: Start difference. First operand 701 states and 1073 transitions. Second operand has 13 states, 13 states have (on average 7.153846153846154) internal successors, (93), 12 states have internal predecessors, (93), 4 states have call successors, (57), 3 states have call predecessors, (57), 4 states have return successors, (58), 4 states have call predecessors, (58), 4 states have call successors, (58) [2024-11-16 16:08:56,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:08:56,417 INFO L93 Difference]: Finished difference Result 1198 states and 1804 transitions. [2024-11-16 16:08:56,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-16 16:08:56,418 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.153846153846154) internal successors, (93), 12 states have internal predecessors, (93), 4 states have call successors, (57), 3 states have call predecessors, (57), 4 states have return successors, (58), 4 states have call predecessors, (58), 4 states have call successors, (58) Word has length 210 [2024-11-16 16:08:56,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:08:56,422 INFO L225 Difference]: With dead ends: 1198 [2024-11-16 16:08:56,422 INFO L226 Difference]: Without dead ends: 575 [2024-11-16 16:08:56,424 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 509 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=443, Invalid=1449, Unknown=0, NotChecked=0, Total=1892 [2024-11-16 16:08:56,424 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 739 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 998 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 740 SdHoareTripleChecker+Valid, 679 SdHoareTripleChecker+Invalid, 1171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 998 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-16 16:08:56,425 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [740 Valid, 679 Invalid, 1171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 998 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-16 16:08:56,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2024-11-16 16:08:56,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 561. [2024-11-16 16:08:56,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 561 states, 449 states have (on average 1.378619153674833) internal successors, (619), 450 states have internal predecessors, (619), 97 states have call successors, (97), 14 states have call predecessors, (97), 14 states have return successors, (97), 96 states have call predecessors, (97), 97 states have call successors, (97) [2024-11-16 16:08:56,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 813 transitions. [2024-11-16 16:08:56,471 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 813 transitions. Word has length 210 [2024-11-16 16:08:56,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:08:56,473 INFO L471 AbstractCegarLoop]: Abstraction has 561 states and 813 transitions. [2024-11-16 16:08:56,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.153846153846154) internal successors, (93), 12 states have internal predecessors, (93), 4 states have call successors, (57), 3 states have call predecessors, (57), 4 states have return successors, (58), 4 states have call predecessors, (58), 4 states have call successors, (58) [2024-11-16 16:08:56,473 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 813 transitions. [2024-11-16 16:08:56,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-11-16 16:08:56,476 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:08:56,476 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:08:56,496 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-16 16:08:56,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-16 16:08:56,677 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:08:56,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:08:56,678 INFO L85 PathProgramCache]: Analyzing trace with hash -1853670304, now seen corresponding path program 1 times [2024-11-16 16:08:56,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:08:56,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361742372] [2024-11-16 16:08:56,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:08:56,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:08:56,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:58,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:08:58,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:58,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 16:08:58,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:58,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 16:08:58,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:58,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 16:08:58,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:58,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 16:08:58,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:58,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 16:08:58,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:58,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 16:08:58,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:58,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 16:08:58,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:58,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 16:08:58,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:58,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 16:08:58,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:58,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 16:08:58,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:58,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 16:08:58,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:58,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 16:08:58,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:58,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 16:08:58,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:58,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 16:08:58,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:58,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 16:08:58,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:58,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 16:08:58,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:58,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 16:08:58,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:58,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 16:08:58,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:58,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 16:08:58,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:58,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 16:08:58,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:58,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 16:08:58,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:58,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 16:08:58,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:58,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 16:08:58,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:58,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 16:08:58,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:58,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 16:08:58,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:58,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 16:08:58,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:58,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 16:08:58,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:58,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 16:08:58,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:58,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 16:08:58,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:58,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 16:08:58,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:08:58,425 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-16 16:08:58,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:08:58,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361742372] [2024-11-16 16:08:58,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361742372] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:08:58,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:08:58,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-16 16:08:58,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950457562] [2024-11-16 16:08:58,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:08:58,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-16 16:08:58,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:08:58,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-16 16:08:58,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-16 16:08:58,427 INFO L87 Difference]: Start difference. First operand 561 states and 813 transitions. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-16 16:09:00,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:09:00,332 INFO L93 Difference]: Finished difference Result 1229 states and 1752 transitions. [2024-11-16 16:09:00,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 16:09:00,334 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 210 [2024-11-16 16:09:00,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:09:00,339 INFO L225 Difference]: With dead ends: 1229 [2024-11-16 16:09:00,340 INFO L226 Difference]: Without dead ends: 942 [2024-11-16 16:09:00,341 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 73 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2024-11-16 16:09:00,341 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 596 mSDsluCounter, 1028 mSDsCounter, 0 mSdLazyCounter, 1082 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 596 SdHoareTripleChecker+Valid, 1219 SdHoareTripleChecker+Invalid, 1150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 1082 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-16 16:09:00,341 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [596 Valid, 1219 Invalid, 1150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 1082 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-16 16:09:00,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 942 states. [2024-11-16 16:09:00,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 942 to 581. [2024-11-16 16:09:00,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 581 states, 468 states have (on average 1.3782051282051282) internal successors, (645), 469 states have internal predecessors, (645), 97 states have call successors, (97), 15 states have call predecessors, (97), 15 states have return successors, (97), 96 states have call predecessors, (97), 97 states have call successors, (97) [2024-11-16 16:09:00,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 839 transitions. [2024-11-16 16:09:00,393 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 839 transitions. Word has length 210 [2024-11-16 16:09:00,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:09:00,394 INFO L471 AbstractCegarLoop]: Abstraction has 581 states and 839 transitions. [2024-11-16 16:09:00,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-16 16:09:00,394 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 839 transitions. [2024-11-16 16:09:00,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-11-16 16:09:00,396 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:09:00,396 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:09:00,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 16:09:00,397 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:09:00,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:09:00,397 INFO L85 PathProgramCache]: Analyzing trace with hash -346118495, now seen corresponding path program 1 times [2024-11-16 16:09:00,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:09:00,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56878282] [2024-11-16 16:09:00,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:09:00,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:09:00,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:01,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:09:01,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:01,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 16:09:01,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:01,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 16:09:01,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:01,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 16:09:01,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:01,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 16:09:01,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:01,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 16:09:01,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:01,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 16:09:01,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:01,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 16:09:01,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:01,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 16:09:01,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:01,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 16:09:01,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:01,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 16:09:01,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:01,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 16:09:01,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:01,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 16:09:01,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:01,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 16:09:01,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:01,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 16:09:01,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:01,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 16:09:01,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:01,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 16:09:01,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:01,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 16:09:01,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:01,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 16:09:01,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:01,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 16:09:01,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:01,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 16:09:01,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:01,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 16:09:01,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:01,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 16:09:01,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:01,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 16:09:01,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:01,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 16:09:01,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:01,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 16:09:01,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:01,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 16:09:01,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:01,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 16:09:01,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:01,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 16:09:01,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:01,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 16:09:01,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:01,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 16:09:01,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:01,781 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-16 16:09:01,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:09:01,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56878282] [2024-11-16 16:09:01,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56878282] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:09:01,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:09:01,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 16:09:01,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804924639] [2024-11-16 16:09:01,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:09:01,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 16:09:01,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:09:01,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 16:09:01,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-16 16:09:01,783 INFO L87 Difference]: Start difference. First operand 581 states and 839 transitions. Second operand has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-16 16:09:02,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:09:02,668 INFO L93 Difference]: Finished difference Result 1375 states and 1984 transitions. [2024-11-16 16:09:02,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 16:09:02,669 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 210 [2024-11-16 16:09:02,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:09:02,677 INFO L225 Difference]: With dead ends: 1375 [2024-11-16 16:09:02,678 INFO L226 Difference]: Without dead ends: 898 [2024-11-16 16:09:02,679 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-16 16:09:02,680 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 204 mSDsluCounter, 563 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 750 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-16 16:09:02,680 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 750 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-16 16:09:02,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2024-11-16 16:09:02,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 609. [2024-11-16 16:09:02,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 609 states, 496 states have (on average 1.3870967741935485) internal successors, (688), 497 states have internal predecessors, (688), 97 states have call successors, (97), 15 states have call predecessors, (97), 15 states have return successors, (97), 96 states have call predecessors, (97), 97 states have call successors, (97) [2024-11-16 16:09:02,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 882 transitions. [2024-11-16 16:09:02,737 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 882 transitions. Word has length 210 [2024-11-16 16:09:02,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:09:02,737 INFO L471 AbstractCegarLoop]: Abstraction has 609 states and 882 transitions. [2024-11-16 16:09:02,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.444444444444445) internal successors, (58), 9 states have internal predecessors, (58), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-16 16:09:02,737 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 882 transitions. [2024-11-16 16:09:02,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-16 16:09:02,738 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:09:02,739 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:09:02,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 16:09:02,739 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:09:02,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:09:02,740 INFO L85 PathProgramCache]: Analyzing trace with hash -1965235747, now seen corresponding path program 1 times [2024-11-16 16:09:02,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:09:02,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439916079] [2024-11-16 16:09:02,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:09:02,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:09:02,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:07,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:09:07,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:07,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 16:09:07,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:07,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 16:09:07,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:07,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 16:09:07,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:07,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 16:09:07,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:07,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 16:09:07,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:07,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 16:09:07,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:07,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 16:09:07,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:07,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 16:09:07,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:07,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 16:09:07,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:07,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 16:09:07,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:07,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 16:09:07,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:07,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 16:09:07,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:07,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 16:09:07,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:07,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 16:09:07,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:07,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 16:09:07,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:07,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 16:09:07,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:07,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 16:09:07,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:07,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 16:09:07,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:07,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 16:09:07,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:07,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 16:09:07,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:07,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 16:09:07,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:07,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 16:09:07,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:07,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 16:09:07,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:07,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 16:09:07,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:07,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 16:09:07,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:07,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 16:09:07,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:07,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 16:09:07,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:07,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 16:09:07,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:07,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 16:09:07,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:07,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 16:09:07,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:07,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-16 16:09:07,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:09:07,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439916079] [2024-11-16 16:09:07,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439916079] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:09:07,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:09:07,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-16 16:09:07,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2094568717] [2024-11-16 16:09:07,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:09:07,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 16:09:07,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:09:07,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 16:09:07,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-16 16:09:07,409 INFO L87 Difference]: Start difference. First operand 609 states and 882 transitions. Second operand has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-16 16:09:10,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:09:10,169 INFO L93 Difference]: Finished difference Result 1755 states and 2554 transitions. [2024-11-16 16:09:10,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 16:09:10,170 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 212 [2024-11-16 16:09:10,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:09:10,175 INFO L225 Difference]: With dead ends: 1755 [2024-11-16 16:09:10,176 INFO L226 Difference]: Without dead ends: 1242 [2024-11-16 16:09:10,177 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2024-11-16 16:09:10,178 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 602 mSDsluCounter, 1057 mSDsCounter, 0 mSdLazyCounter, 1074 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 602 SdHoareTripleChecker+Valid, 1228 SdHoareTripleChecker+Invalid, 1084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-16 16:09:10,178 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [602 Valid, 1228 Invalid, 1084 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1074 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-16 16:09:10,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1242 states. [2024-11-16 16:09:10,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1242 to 700. [2024-11-16 16:09:10,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 700 states, 587 states have (on average 1.4207836456558773) internal successors, (834), 588 states have internal predecessors, (834), 97 states have call successors, (97), 15 states have call predecessors, (97), 15 states have return successors, (97), 96 states have call predecessors, (97), 97 states have call successors, (97) [2024-11-16 16:09:10,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 1028 transitions. [2024-11-16 16:09:10,234 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 1028 transitions. Word has length 212 [2024-11-16 16:09:10,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:09:10,235 INFO L471 AbstractCegarLoop]: Abstraction has 700 states and 1028 transitions. [2024-11-16 16:09:10,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-16 16:09:10,236 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 1028 transitions. [2024-11-16 16:09:10,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-16 16:09:10,237 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:09:10,237 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:09:10,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 16:09:10,237 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:09:10,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:09:10,238 INFO L85 PathProgramCache]: Analyzing trace with hash -457683938, now seen corresponding path program 1 times [2024-11-16 16:09:10,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:09:10,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077340226] [2024-11-16 16:09:10,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:09:10,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:09:10,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:13,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:09:13,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:13,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 16:09:13,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:13,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 16:09:13,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:13,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 16:09:13,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:13,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 16:09:13,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:13,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 16:09:13,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:13,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 16:09:13,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:13,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 16:09:13,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:13,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 16:09:13,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:13,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 16:09:13,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:13,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 16:09:13,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:13,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 16:09:13,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:13,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 16:09:13,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:13,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 16:09:13,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:13,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 16:09:13,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:13,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 16:09:13,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:13,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 16:09:13,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:13,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 16:09:13,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:13,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 16:09:13,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:13,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 16:09:13,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:13,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 16:09:13,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:13,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 16:09:13,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:13,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 16:09:13,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:13,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 16:09:13,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:13,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 16:09:13,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:13,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 16:09:13,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:13,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 16:09:13,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:13,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 16:09:13,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:13,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 16:09:13,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:13,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 16:09:13,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:13,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 16:09:13,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:13,593 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-16 16:09:13,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:09:13,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077340226] [2024-11-16 16:09:13,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077340226] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:09:13,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:09:13,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-16 16:09:13,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224897241] [2024-11-16 16:09:13,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:09:13,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-16 16:09:13,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:09:13,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-16 16:09:13,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-11-16 16:09:13,596 INFO L87 Difference]: Start difference. First operand 700 states and 1028 transitions. Second operand has 15 states, 15 states have (on average 4.0) internal successors, (60), 15 states have internal predecessors, (60), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-16 16:09:16,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:09:16,136 INFO L93 Difference]: Finished difference Result 1823 states and 2643 transitions. [2024-11-16 16:09:16,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-16 16:09:16,136 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.0) internal successors, (60), 15 states have internal predecessors, (60), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 212 [2024-11-16 16:09:16,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:09:16,142 INFO L225 Difference]: With dead ends: 1823 [2024-11-16 16:09:16,142 INFO L226 Difference]: Without dead ends: 1228 [2024-11-16 16:09:16,143 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=138, Invalid=414, Unknown=0, NotChecked=0, Total=552 [2024-11-16 16:09:16,144 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 441 mSDsluCounter, 1438 mSDsCounter, 0 mSdLazyCounter, 1349 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 441 SdHoareTripleChecker+Valid, 1630 SdHoareTripleChecker+Invalid, 1353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-16 16:09:16,144 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [441 Valid, 1630 Invalid, 1353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1349 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-16 16:09:16,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1228 states. [2024-11-16 16:09:16,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1228 to 702. [2024-11-16 16:09:16,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 702 states, 589 states have (on average 1.4210526315789473) internal successors, (837), 590 states have internal predecessors, (837), 97 states have call successors, (97), 15 states have call predecessors, (97), 15 states have return successors, (97), 96 states have call predecessors, (97), 97 states have call successors, (97) [2024-11-16 16:09:16,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 1031 transitions. [2024-11-16 16:09:16,202 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 1031 transitions. Word has length 212 [2024-11-16 16:09:16,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:09:16,202 INFO L471 AbstractCegarLoop]: Abstraction has 702 states and 1031 transitions. [2024-11-16 16:09:16,203 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.0) internal successors, (60), 15 states have internal predecessors, (60), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-16 16:09:16,203 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 1031 transitions. [2024-11-16 16:09:16,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-16 16:09:16,204 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:09:16,204 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:09:16,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 16:09:16,205 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:09:16,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:09:16,205 INFO L85 PathProgramCache]: Analyzing trace with hash -611926050, now seen corresponding path program 1 times [2024-11-16 16:09:16,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:09:16,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937676383] [2024-11-16 16:09:16,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:09:16,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:09:17,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:24,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:09:24,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:24,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 16:09:24,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:24,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 16:09:24,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:24,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 16:09:24,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:24,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 16:09:24,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:24,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 16:09:24,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:24,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 16:09:24,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:24,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 16:09:24,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:24,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 16:09:24,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:24,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 16:09:24,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:24,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 16:09:24,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:24,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 16:09:24,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:24,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 16:09:24,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:24,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 16:09:24,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:24,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 16:09:24,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:24,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 16:09:24,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:24,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 16:09:24,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:24,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 16:09:24,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:24,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 16:09:24,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:24,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 16:09:24,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:24,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 16:09:24,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:24,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 16:09:24,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:24,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 16:09:24,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:24,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 16:09:24,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:24,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 16:09:24,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:24,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 16:09:24,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:24,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 16:09:24,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:24,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 16:09:24,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:24,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 16:09:24,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:24,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 16:09:24,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:24,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 16:09:24,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:24,280 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-16 16:09:24,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:09:24,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937676383] [2024-11-16 16:09:24,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937676383] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:09:24,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:09:24,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2024-11-16 16:09:24,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448069474] [2024-11-16 16:09:24,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:09:24,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-16 16:09:24,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:09:24,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-16 16:09:24,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2024-11-16 16:09:24,283 INFO L87 Difference]: Start difference. First operand 702 states and 1031 transitions. Second operand has 20 states, 20 states have (on average 3.0) internal successors, (60), 20 states have internal predecessors, (60), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-16 16:09:37,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:09:37,273 INFO L93 Difference]: Finished difference Result 2413 states and 3486 transitions. [2024-11-16 16:09:37,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-16 16:09:37,273 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 3.0) internal successors, (60), 20 states have internal predecessors, (60), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 212 [2024-11-16 16:09:37,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:09:37,282 INFO L225 Difference]: With dead ends: 2413 [2024-11-16 16:09:37,282 INFO L226 Difference]: Without dead ends: 1814 [2024-11-16 16:09:37,286 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 8.4s TimeCoverageRelationStatistics Valid=242, Invalid=880, Unknown=0, NotChecked=0, Total=1122 [2024-11-16 16:09:37,287 INFO L432 NwaCegarLoop]: 224 mSDtfsCounter, 1062 mSDsluCounter, 1651 mSDsCounter, 0 mSdLazyCounter, 2809 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1062 SdHoareTripleChecker+Valid, 1875 SdHoareTripleChecker+Invalid, 2824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 2809 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2024-11-16 16:09:37,287 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1062 Valid, 1875 Invalid, 2824 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 2809 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2024-11-16 16:09:37,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1814 states. [2024-11-16 16:09:37,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1814 to 1261. [2024-11-16 16:09:37,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1261 states, 1072 states have (on average 1.4309701492537314) internal successors, (1534), 1074 states have internal predecessors, (1534), 163 states have call successors, (163), 25 states have call predecessors, (163), 25 states have return successors, (163), 161 states have call predecessors, (163), 163 states have call successors, (163) [2024-11-16 16:09:37,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 1261 states and 1860 transitions. [2024-11-16 16:09:37,400 INFO L78 Accepts]: Start accepts. Automaton has 1261 states and 1860 transitions. Word has length 212 [2024-11-16 16:09:37,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:09:37,400 INFO L471 AbstractCegarLoop]: Abstraction has 1261 states and 1860 transitions. [2024-11-16 16:09:37,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 3.0) internal successors, (60), 20 states have internal predecessors, (60), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-16 16:09:37,401 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 1860 transitions. [2024-11-16 16:09:37,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-16 16:09:37,402 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:09:37,402 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:09:37,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-16 16:09:37,403 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:09:37,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:09:37,403 INFO L85 PathProgramCache]: Analyzing trace with hash 895625759, now seen corresponding path program 1 times [2024-11-16 16:09:37,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:09:37,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254381236] [2024-11-16 16:09:37,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:09:37,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:09:37,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:37,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:09:37,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:37,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 16:09:37,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:37,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 16:09:37,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:37,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 16:09:37,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:37,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 16:09:37,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:37,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 16:09:37,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:37,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 16:09:37,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:37,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 16:09:37,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:37,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 16:09:37,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:37,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 16:09:37,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:37,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 16:09:37,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:37,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 16:09:37,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:37,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 16:09:37,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:37,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 16:09:37,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:37,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 16:09:37,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:37,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 16:09:37,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:37,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 16:09:37,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:37,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 16:09:37,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:37,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 16:09:37,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:37,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 16:09:37,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:37,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 16:09:37,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:37,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 16:09:37,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:37,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 16:09:37,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:37,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 16:09:37,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:37,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 16:09:37,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:37,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 16:09:37,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:37,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 16:09:37,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:37,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 16:09:37,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:37,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 16:09:37,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:37,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 16:09:37,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:37,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 16:09:37,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:37,975 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-16 16:09:37,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:09:37,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254381236] [2024-11-16 16:09:37,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254381236] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:09:37,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:09:37,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 16:09:37,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171130169] [2024-11-16 16:09:37,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:09:37,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 16:09:37,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:09:37,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 16:09:37,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-16 16:09:37,978 INFO L87 Difference]: Start difference. First operand 1261 states and 1860 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-11-16 16:09:38,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:09:38,516 INFO L93 Difference]: Finished difference Result 3445 states and 5082 transitions. [2024-11-16 16:09:38,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 16:09:38,517 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 212 [2024-11-16 16:09:38,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:09:38,527 INFO L225 Difference]: With dead ends: 3445 [2024-11-16 16:09:38,527 INFO L226 Difference]: Without dead ends: 2289 [2024-11-16 16:09:38,531 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-16 16:09:38,531 INFO L432 NwaCegarLoop]: 327 mSDtfsCounter, 401 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 401 SdHoareTripleChecker+Valid, 760 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 16:09:38,531 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [401 Valid, 760 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 16:09:38,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2289 states. [2024-11-16 16:09:38,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2289 to 1799. [2024-11-16 16:09:38,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1799 states, 1534 states have (on average 1.422425032594524) internal successors, (2182), 1537 states have internal predecessors, (2182), 229 states have call successors, (229), 35 states have call predecessors, (229), 35 states have return successors, (229), 226 states have call predecessors, (229), 229 states have call successors, (229) [2024-11-16 16:09:38,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1799 states to 1799 states and 2640 transitions. [2024-11-16 16:09:38,694 INFO L78 Accepts]: Start accepts. Automaton has 1799 states and 2640 transitions. Word has length 212 [2024-11-16 16:09:38,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:09:38,695 INFO L471 AbstractCegarLoop]: Abstraction has 1799 states and 2640 transitions. [2024-11-16 16:09:38,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 3 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-11-16 16:09:38,695 INFO L276 IsEmpty]: Start isEmpty. Operand 1799 states and 2640 transitions. [2024-11-16 16:09:38,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-16 16:09:38,697 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:09:38,697 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:09:38,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-16 16:09:38,698 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:09:38,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:09:38,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1920907324, now seen corresponding path program 1 times [2024-11-16 16:09:38,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:09:38,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536762751] [2024-11-16 16:09:38,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:09:38,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:09:38,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:40,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:09:40,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:40,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 16:09:40,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:40,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 16:09:40,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:40,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 16:09:40,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:40,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 16:09:40,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:40,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 16:09:40,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:40,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 16:09:40,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:40,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 16:09:40,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:40,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 16:09:40,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:40,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 16:09:40,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:40,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 16:09:40,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:40,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 16:09:40,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:40,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 16:09:40,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:40,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 16:09:40,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:40,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-16 16:09:40,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:40,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-16 16:09:40,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:40,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 16:09:40,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:40,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 16:09:40,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:40,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 16:09:40,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:40,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 16:09:40,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:40,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-16 16:09:40,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:40,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 16:09:40,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:40,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 16:09:40,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:40,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-16 16:09:40,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:40,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 16:09:40,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:40,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 16:09:40,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:40,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 16:09:40,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:40,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 16:09:40,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:40,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 16:09:41,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:41,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-16 16:09:41,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:41,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-11-16 16:09:41,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:41,006 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2024-11-16 16:09:41,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:09:41,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536762751] [2024-11-16 16:09:41,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536762751] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:09:41,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:09:41,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-16 16:09:41,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261457521] [2024-11-16 16:09:41,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:09:41,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 16:09:41,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:09:41,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 16:09:41,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-16 16:09:41,009 INFO L87 Difference]: Start difference. First operand 1799 states and 2640 transitions. Second operand has 13 states, 13 states have (on average 4.615384615384615) internal successors, (60), 13 states have internal predecessors, (60), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2024-11-16 16:09:42,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:09:42,746 INFO L93 Difference]: Finished difference Result 4519 states and 6602 transitions. [2024-11-16 16:09:42,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.