./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-31.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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-31.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6172bcf472a886b23306a046bd0a20ff775f8e0d008adc455f4ef56119e5614f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 16:09:40,114 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 16:09:40,202 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 16:09:40,208 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 16:09:40,209 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 16:09:40,234 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 16:09:40,235 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 16:09:40,235 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 16:09:40,236 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 16:09:40,236 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 16:09:40,237 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 16:09:40,237 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 16:09:40,239 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 16:09:40,241 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 16:09:40,241 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 16:09:40,242 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 16:09:40,242 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 16:09:40,242 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 16:09:40,242 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 16:09:40,243 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 16:09:40,243 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 16:09:40,245 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 16:09:40,245 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 16:09:40,246 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 16:09:40,246 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 16:09:40,246 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 16:09:40,246 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 16:09:40,248 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 16:09:40,248 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 16:09:40,248 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 16:09:40,249 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 16:09:40,249 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 16:09:40,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 16:09:40,250 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 16:09:40,250 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 16:09:40,250 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 16:09:40,251 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 16:09:40,251 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 16:09:40,251 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 16:09:40,251 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 16:09:40,252 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 16:09:40,252 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 16:09:40,252 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6172bcf472a886b23306a046bd0a20ff775f8e0d008adc455f4ef56119e5614f [2024-11-16 16:09:40,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 16:09:40,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 16:09:40,522 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 16:09:40,523 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 16:09:40,524 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 16:09:40,525 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-31.i [2024-11-16 16:09:41,976 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 16:09:42,206 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 16:09:42,207 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-31.i [2024-11-16 16:09:42,219 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7fab6171/bbef6da261c8483e84554cc2b2334b75/FLAG9961bb83e [2024-11-16 16:09:42,233 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7fab6171/bbef6da261c8483e84554cc2b2334b75 [2024-11-16 16:09:42,236 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 16:09:42,237 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 16:09:42,238 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 16:09:42,238 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 16:09:42,243 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 16:09:42,243 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:09:42" (1/1) ... [2024-11-16 16:09:42,244 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@288afe9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:09:42, skipping insertion in model container [2024-11-16 16:09:42,244 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 04:09:42" (1/1) ... [2024-11-16 16:09:42,285 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 16:09:42,513 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-31.i[916,929] [2024-11-16 16:09:42,598 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 16:09:42,609 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 16:09:42,621 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-31.i[916,929] [2024-11-16 16:09:42,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 16:09:42,700 INFO L204 MainTranslator]: Completed translation [2024-11-16 16:09:42,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:09:42 WrapperNode [2024-11-16 16:09:42,701 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 16:09:42,702 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 16:09:42,702 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 16:09:42,702 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 16:09:42,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:09:42" (1/1) ... [2024-11-16 16:09:42,720 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:09:42" (1/1) ... [2024-11-16 16:09:42,768 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 258 [2024-11-16 16:09:42,769 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 16:09:42,770 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 16:09:42,770 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 16:09:42,770 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 16:09:42,780 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:09:42" (1/1) ... [2024-11-16 16:09:42,781 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:09:42" (1/1) ... [2024-11-16 16:09:42,788 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:09:42" (1/1) ... [2024-11-16 16:09:42,822 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 16:09:42,823 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:09:42" (1/1) ... [2024-11-16 16:09:42,823 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:09:42" (1/1) ... [2024-11-16 16:09:42,845 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:09:42" (1/1) ... [2024-11-16 16:09:42,847 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:09:42" (1/1) ... [2024-11-16 16:09:42,851 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:09:42" (1/1) ... [2024-11-16 16:09:42,857 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:09:42" (1/1) ... [2024-11-16 16:09:42,864 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 16:09:42,866 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 16:09:42,866 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 16:09:42,866 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 16:09:42,867 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:09:42" (1/1) ... [2024-11-16 16:09:42,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 16:09:42,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 16:09:42,899 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 16:09:42,901 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 16:09:42,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 16:09:42,947 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 16:09:42,947 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 16:09:42,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 16:09:42,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 16:09:42,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 16:09:43,060 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 16:09:43,064 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 16:09:43,557 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L206: havoc property_#t~ite25#1;havoc property_#t~bitwise21#1;havoc property_#t~short22#1;havoc property_#t~ite24#1;havoc property_#t~bitwise23#1;havoc property_#t~short26#1; [2024-11-16 16:09:43,616 INFO L? ?]: Removed 41 outVars from TransFormulas that were not future-live. [2024-11-16 16:09:43,616 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 16:09:43,646 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 16:09:43,647 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 16:09:43,647 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 04:09:43 BoogieIcfgContainer [2024-11-16 16:09:43,647 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 16:09:43,651 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 16:09:43,651 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 16:09:43,654 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 16:09:43,655 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 04:09:42" (1/3) ... [2024-11-16 16:09:43,656 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7daad13a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:09:43, skipping insertion in model container [2024-11-16 16:09:43,656 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 04:09:42" (2/3) ... [2024-11-16 16:09:43,657 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7daad13a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 04:09:43, skipping insertion in model container [2024-11-16 16:09:43,657 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 04:09:43" (3/3) ... [2024-11-16 16:09:43,659 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-31.i [2024-11-16 16:09:43,678 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 16:09:43,679 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 16:09:43,748 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 16:09:43,756 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;@4b5dfd98, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 16:09:43,756 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 16:09:43,762 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 80 states have (on average 1.45) internal successors, (116), 81 states have internal predecessors, (116), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-16 16:09:43,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-16 16:09:43,777 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:09:43,779 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:09:43,779 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:09:43,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:09:43,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1703190471, now seen corresponding path program 1 times [2024-11-16 16:09:43,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:09:43,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101633350] [2024-11-16 16:09:43,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:09:43,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:09:43,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:44,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:09:44,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:44,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 16:09:44,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:44,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 16:09:44,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:44,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 16:09:44,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:44,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 16:09:44,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:44,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 16:09:44,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:44,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 16:09:44,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:44,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 16:09:44,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:44,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 16:09:44,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:44,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 16:09:44,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:44,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 16:09:44,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:44,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 16:09:44,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:44,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 16:09:44,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:44,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 16:09:44,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:44,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 16:09:44,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:44,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 16:09:44,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:44,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 16:09:44,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:44,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 16:09:44,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:44,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 16:09:44,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:44,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 16:09:44,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:44,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 16:09:44,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:44,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 16:09:44,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:44,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 16:09:44,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:44,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 16:09:44,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:44,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 16:09:44,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:44,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 16:09:44,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:44,270 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-16 16:09:44,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:09:44,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101633350] [2024-11-16 16:09:44,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101633350] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:09:44,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:09:44,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 16:09:44,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573033831] [2024-11-16 16:09:44,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:09:44,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 16:09:44,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:09:44,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 16:09:44,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 16:09:44,303 INFO L87 Difference]: Start difference. First operand has 109 states, 80 states have (on average 1.45) internal successors, (116), 81 states have internal predecessors, (116), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-16 16:09:44,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:09:44,339 INFO L93 Difference]: Finished difference Result 200 states and 340 transitions. [2024-11-16 16:09:44,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 16:09:44,341 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) Word has length 174 [2024-11-16 16:09:44,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:09:44,350 INFO L225 Difference]: With dead ends: 200 [2024-11-16 16:09:44,351 INFO L226 Difference]: Without dead ends: 94 [2024-11-16 16:09:44,376 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 16:09:44,384 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 16:09:44,387 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 142 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 16:09:44,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-16 16:09:44,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-11-16 16:09:44,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 66 states have (on average 1.393939393939394) internal successors, (92), 66 states have internal predecessors, (92), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-16 16:09:44,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 144 transitions. [2024-11-16 16:09:44,483 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 144 transitions. Word has length 174 [2024-11-16 16:09:44,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:09:44,484 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 144 transitions. [2024-11-16 16:09:44,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-16 16:09:44,485 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 144 transitions. [2024-11-16 16:09:44,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-16 16:09:44,488 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:09:44,488 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:09:44,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 16:09:44,489 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:09:44,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:09:44,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1603125099, now seen corresponding path program 1 times [2024-11-16 16:09:44,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:09:44,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179723224] [2024-11-16 16:09:44,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:09:44,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:09:44,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:44,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:09:44,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:44,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 16:09:44,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:44,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 16:09:44,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:44,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 16:09:44,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:45,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 16:09:45,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:45,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 16:09:45,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:45,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 16:09:45,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:45,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 16:09:45,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:45,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 16:09:45,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:45,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 16:09:45,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:45,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 16:09:45,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:45,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 16:09:45,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:45,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 16:09:45,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:45,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 16:09:45,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:45,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 16:09:45,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:45,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 16:09:45,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:45,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 16:09:45,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:45,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 16:09:45,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:45,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 16:09:45,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:45,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 16:09:45,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:45,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 16:09:45,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:45,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 16:09:45,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:45,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 16:09:45,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:45,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 16:09:45,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:45,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 16:09:45,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:45,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 16:09:45,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:45,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-16 16:09:45,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:09:45,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179723224] [2024-11-16 16:09:45,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179723224] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:09:45,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:09:45,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 16:09:45,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454592763] [2024-11-16 16:09:45,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:09:45,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 16:09:45,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:09:45,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 16:09:45,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 16:09:45,238 INFO L87 Difference]: Start difference. First operand 94 states and 144 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-16 16:09:45,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:09:45,532 INFO L93 Difference]: Finished difference Result 278 states and 428 transitions. [2024-11-16 16:09:45,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 16:09:45,533 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 174 [2024-11-16 16:09:45,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:09:45,536 INFO L225 Difference]: With dead ends: 278 [2024-11-16 16:09:45,536 INFO L226 Difference]: Without dead ends: 187 [2024-11-16 16:09:45,540 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 16:09:45,541 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 94 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 16:09:45,542 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 385 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 16:09:45,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-16 16:09:45,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 154. [2024-11-16 16:09:45,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 99 states have (on average 1.3535353535353536) internal successors, (134), 99 states have internal predecessors, (134), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-16 16:09:45,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 238 transitions. [2024-11-16 16:09:45,596 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 238 transitions. Word has length 174 [2024-11-16 16:09:45,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:09:45,596 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 238 transitions. [2024-11-16 16:09:45,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-16 16:09:45,597 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 238 transitions. [2024-11-16 16:09:45,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-16 16:09:45,602 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:09:45,603 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:09:45,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 16:09:45,605 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:09:45,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:09:45,606 INFO L85 PathProgramCache]: Analyzing trace with hash -1058272987, now seen corresponding path program 1 times [2024-11-16 16:09:45,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:09:45,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119417977] [2024-11-16 16:09:45,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:09:45,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:09:45,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:45,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:09:45,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:45,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 16:09:45,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:45,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 16:09:45,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:45,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 16:09:45,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:45,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 16:09:45,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:45,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 16:09:45,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:45,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 16:09:45,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:45,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 16:09:45,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:45,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 16:09:45,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:45,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 16:09:45,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:45,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 16:09:45,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:45,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 16:09:45,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:45,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 16:09:45,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:45,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 16:09:45,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:46,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 16:09:46,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:46,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 16:09:46,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:46,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 16:09:46,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:46,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 16:09:46,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:46,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 16:09:46,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:46,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 16:09:46,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:46,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 16:09:46,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:46,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 16:09:46,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:46,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 16:09:46,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:46,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 16:09:46,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:46,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 16:09:46,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:46,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 16:09:46,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:46,107 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-16 16:09:46,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:09:46,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119417977] [2024-11-16 16:09:46,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119417977] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:09:46,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:09:46,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 16:09:46,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482775141] [2024-11-16 16:09:46,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:09:46,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 16:09:46,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:09:46,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 16:09:46,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 16:09:46,112 INFO L87 Difference]: Start difference. First operand 154 states and 238 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-16 16:09:46,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:09:46,320 INFO L93 Difference]: Finished difference Result 278 states and 427 transitions. [2024-11-16 16:09:46,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 16:09:46,321 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 175 [2024-11-16 16:09:46,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:09:46,324 INFO L225 Difference]: With dead ends: 278 [2024-11-16 16:09:46,326 INFO L226 Difference]: Without dead ends: 187 [2024-11-16 16:09:46,327 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 16:09:46,328 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 92 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 16:09:46,332 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 387 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 16:09:46,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-16 16:09:46,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 155. [2024-11-16 16:09:46,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 100 states have (on average 1.35) internal successors, (135), 100 states have internal predecessors, (135), 52 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-16 16:09:46,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 239 transitions. [2024-11-16 16:09:46,369 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 239 transitions. Word has length 175 [2024-11-16 16:09:46,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:09:46,371 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 239 transitions. [2024-11-16 16:09:46,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-16 16:09:46,372 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 239 transitions. [2024-11-16 16:09:46,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-16 16:09:46,378 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:09:46,378 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:09:46,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 16:09:46,379 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:09:46,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:09:46,379 INFO L85 PathProgramCache]: Analyzing trace with hash 247981276, now seen corresponding path program 1 times [2024-11-16 16:09:46,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:09:46,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340564892] [2024-11-16 16:09:46,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:09:46,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:09:46,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:47,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:09:47,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:47,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 16:09:47,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:47,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 16:09:47,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:47,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 16:09:47,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:47,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 16:09:47,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:47,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 16:09:47,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:47,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 16:09:47,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:47,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 16:09:47,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:47,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 16:09:47,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:47,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 16:09:47,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:47,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 16:09:47,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:47,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 16:09:47,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:47,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 16:09:47,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:47,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 16:09:47,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:47,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 16:09:47,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:47,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 16:09:47,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:47,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 16:09:47,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:47,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 16:09:47,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:47,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 16:09:47,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:47,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 16:09:47,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:47,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 16:09:47,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:47,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 16:09:47,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:47,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 16:09:47,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:47,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 16:09:47,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:47,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 16:09:47,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:47,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 16:09:47,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:47,300 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-16 16:09:47,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:09:47,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340564892] [2024-11-16 16:09:47,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340564892] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:09:47,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:09:47,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 16:09:47,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548491948] [2024-11-16 16:09:47,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:09:47,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 16:09:47,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:09:47,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 16:09:47,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-16 16:09:47,303 INFO L87 Difference]: Start difference. First operand 155 states and 239 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-16 16:09:47,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:09:47,897 INFO L93 Difference]: Finished difference Result 377 states and 571 transitions. [2024-11-16 16:09:47,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 16:09:47,898 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 176 [2024-11-16 16:09:47,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:09:47,901 INFO L225 Difference]: With dead ends: 377 [2024-11-16 16:09:47,901 INFO L226 Difference]: Without dead ends: 286 [2024-11-16 16:09:47,902 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2024-11-16 16:09:47,903 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 506 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 506 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 16:09:47,903 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [506 Valid, 647 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 16:09:47,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2024-11-16 16:09:47,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 245. [2024-11-16 16:09:47,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 161 states have (on average 1.329192546583851) internal successors, (214), 162 states have internal predecessors, (214), 78 states have call successors, (78), 5 states have call predecessors, (78), 5 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-16 16:09:47,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 370 transitions. [2024-11-16 16:09:47,944 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 370 transitions. Word has length 176 [2024-11-16 16:09:47,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:09:47,944 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 370 transitions. [2024-11-16 16:09:47,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-16 16:09:47,945 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 370 transitions. [2024-11-16 16:09:47,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-16 16:09:47,947 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:09:47,947 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:09:47,947 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 16:09:47,947 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:09:47,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:09:47,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1559473187, now seen corresponding path program 1 times [2024-11-16 16:09:47,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:09:47,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850860044] [2024-11-16 16:09:47,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:09:47,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:09:48,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:48,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:09:48,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:48,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 16:09:48,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:48,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 16:09:48,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:48,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 16:09:48,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:48,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 16:09:48,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:48,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 16:09:48,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:48,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 16:09:48,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:48,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 16:09:48,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:48,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 16:09:48,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:48,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 16:09:48,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:48,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 16:09:48,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:48,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 16:09:48,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:48,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 16:09:48,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:48,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 16:09:48,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:48,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 16:09:48,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:48,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 16:09:48,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:48,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 16:09:48,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:48,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 16:09:48,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:48,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 16:09:48,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:48,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 16:09:48,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:48,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 16:09:48,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:48,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 16:09:48,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:48,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 16:09:48,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:48,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 16:09:48,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:48,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 16:09:48,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:48,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 16:09:48,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:48,378 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-16 16:09:48,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:09:48,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850860044] [2024-11-16 16:09:48,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850860044] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:09:48,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:09:48,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 16:09:48,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616752395] [2024-11-16 16:09:48,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:09:48,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 16:09:48,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:09:48,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 16:09:48,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 16:09:48,381 INFO L87 Difference]: Start difference. First operand 245 states and 370 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-16 16:09:48,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:09:48,571 INFO L93 Difference]: Finished difference Result 464 states and 702 transitions. [2024-11-16 16:09:48,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 16:09:48,573 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 176 [2024-11-16 16:09:48,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:09:48,579 INFO L225 Difference]: With dead ends: 464 [2024-11-16 16:09:48,579 INFO L226 Difference]: Without dead ends: 276 [2024-11-16 16:09:48,579 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 16:09:48,582 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 99 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 16:09:48,582 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 397 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 16:09:48,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2024-11-16 16:09:48,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 238. [2024-11-16 16:09:48,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 154 states have (on average 1.2922077922077921) internal successors, (199), 155 states have internal predecessors, (199), 78 states have call successors, (78), 5 states have call predecessors, (78), 5 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-16 16:09:48,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 355 transitions. [2024-11-16 16:09:48,622 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 355 transitions. Word has length 176 [2024-11-16 16:09:48,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:09:48,622 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 355 transitions. [2024-11-16 16:09:48,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-16 16:09:48,623 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 355 transitions. [2024-11-16 16:09:48,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-16 16:09:48,624 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:09:48,625 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:09:48,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 16:09:48,625 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:09:48,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:09:48,629 INFO L85 PathProgramCache]: Analyzing trace with hash 523709164, now seen corresponding path program 1 times [2024-11-16 16:09:48,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:09:48,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668503828] [2024-11-16 16:09:48,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:09:48,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:09:48,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:49,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:09:49,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:49,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 16:09:49,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:49,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 16:09:49,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:49,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 16:09:49,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:49,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 16:09:49,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:49,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 16:09:49,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:49,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 16:09:49,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:49,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 16:09:49,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:49,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 16:09:49,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:49,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 16:09:49,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:49,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 16:09:49,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:49,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 16:09:49,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:49,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 16:09:49,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:49,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 16:09:49,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:49,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 16:09:49,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:49,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 16:09:49,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:49,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 16:09:49,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:49,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 16:09:49,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:49,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 16:09:49,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:49,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 16:09:49,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:49,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 16:09:49,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:49,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 16:09:49,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:49,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 16:09:49,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:49,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 16:09:49,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:49,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 16:09:49,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:49,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 16:09:49,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:49,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-16 16:09:49,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:09:49,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668503828] [2024-11-16 16:09:49,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668503828] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:09:49,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:09:49,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 16:09:49,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933694110] [2024-11-16 16:09:49,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:09:49,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 16:09:49,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:09:49,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 16:09:49,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 16:09:49,378 INFO L87 Difference]: Start difference. First operand 238 states and 355 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-16 16:09:49,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:09:49,642 INFO L93 Difference]: Finished difference Result 596 states and 870 transitions. [2024-11-16 16:09:49,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 16:09:49,643 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 177 [2024-11-16 16:09:49,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:09:49,646 INFO L225 Difference]: With dead ends: 596 [2024-11-16 16:09:49,646 INFO L226 Difference]: Without dead ends: 436 [2024-11-16 16:09:49,647 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-16 16:09:49,648 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 121 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 16:09:49,648 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 543 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 16:09:49,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 436 states. [2024-11-16 16:09:49,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 436 to 372. [2024-11-16 16:09:49,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 274 states have (on average 1.3430656934306568) internal successors, (368), 277 states have internal predecessors, (368), 88 states have call successors, (88), 9 states have call predecessors, (88), 9 states have return successors, (88), 85 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-16 16:09:49,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 544 transitions. [2024-11-16 16:09:49,705 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 544 transitions. Word has length 177 [2024-11-16 16:09:49,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:09:49,709 INFO L471 AbstractCegarLoop]: Abstraction has 372 states and 544 transitions. [2024-11-16 16:09:49,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-16 16:09:49,709 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 544 transitions. [2024-11-16 16:09:49,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-16 16:09:49,711 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:09:49,711 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:09:49,711 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 16:09:49,712 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:09:49,712 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:09:49,712 INFO L85 PathProgramCache]: Analyzing trace with hash 327195659, now seen corresponding path program 1 times [2024-11-16 16:09:49,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:09:49,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568705761] [2024-11-16 16:09:49,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:09:49,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:09:49,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:49,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:09:49,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:49,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 16:09:49,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:49,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 16:09:49,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:49,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 16:09:49,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:49,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 16:09:49,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:49,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 16:09:49,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:49,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 16:09:49,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:49,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 16:09:49,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:49,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 16:09:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:49,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 16:09:49,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:49,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 16:09:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:49,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 16:09:49,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:49,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 16:09:49,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:49,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 16:09:49,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:49,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 16:09:49,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:49,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 16:09:49,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:50,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 16:09:50,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:50,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 16:09:50,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:50,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 16:09:50,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:50,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 16:09:50,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:50,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 16:09:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:50,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 16:09:50,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:50,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 16:09:50,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:50,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 16:09:50,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:50,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 16:09:50,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:50,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 16:09:50,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:50,034 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-16 16:09:50,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:09:50,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568705761] [2024-11-16 16:09:50,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568705761] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:09:50,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:09:50,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 16:09:50,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020307314] [2024-11-16 16:09:50,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:09:50,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 16:09:50,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:09:50,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 16:09:50,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 16:09:50,036 INFO L87 Difference]: Start difference. First operand 372 states and 544 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-16 16:09:50,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:09:50,286 INFO L93 Difference]: Finished difference Result 843 states and 1247 transitions. [2024-11-16 16:09:50,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 16:09:50,287 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 177 [2024-11-16 16:09:50,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:09:50,291 INFO L225 Difference]: With dead ends: 843 [2024-11-16 16:09:50,291 INFO L226 Difference]: Without dead ends: 560 [2024-11-16 16:09:50,292 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-16 16:09:50,293 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 218 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 660 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 16:09:50,295 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 660 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 16:09:50,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2024-11-16 16:09:50,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 467. [2024-11-16 16:09:50,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 315 states have (on average 1.2920634920634921) internal successors, (407), 319 states have internal predecessors, (407), 140 states have call successors, (140), 11 states have call predecessors, (140), 11 states have return successors, (140), 136 states have call predecessors, (140), 140 states have call successors, (140) [2024-11-16 16:09:50,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 687 transitions. [2024-11-16 16:09:50,359 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 687 transitions. Word has length 177 [2024-11-16 16:09:50,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:09:50,360 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 687 transitions. [2024-11-16 16:09:50,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-16 16:09:50,360 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 687 transitions. [2024-11-16 16:09:50,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-16 16:09:50,362 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:09:50,362 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:09:50,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 16:09:50,362 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:09:50,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:09:50,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1768473645, now seen corresponding path program 1 times [2024-11-16 16:09:50,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:09:50,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419610877] [2024-11-16 16:09:50,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:09:50,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:09:50,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:50,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:09:50,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:50,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 16:09:50,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:50,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 16:09:50,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:50,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 16:09:50,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:50,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 16:09:50,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:50,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 16:09:50,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:50,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 16:09:50,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:50,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 16:09:50,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:50,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 16:09:50,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:50,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 16:09:50,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:50,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 16:09:50,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:50,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 16:09:50,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:50,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 16:09:50,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:50,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 16:09:50,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:50,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 16:09:50,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:50,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 16:09:50,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:50,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 16:09:50,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:50,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 16:09:50,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:50,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 16:09:50,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:50,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 16:09:50,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:50,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 16:09:50,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:50,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 16:09:50,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:50,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 16:09:50,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:50,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 16:09:50,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:50,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 16:09:50,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:50,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 16:09:50,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:50,890 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-16 16:09:50,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:09:50,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419610877] [2024-11-16 16:09:50,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419610877] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:09:50,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:09:50,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 16:09:50,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125559484] [2024-11-16 16:09:50,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:09:50,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 16:09:50,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:09:50,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 16:09:50,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 16:09:50,893 INFO L87 Difference]: Start difference. First operand 467 states and 687 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-16 16:09:51,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:09:51,396 INFO L93 Difference]: Finished difference Result 1104 states and 1609 transitions. [2024-11-16 16:09:51,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 16:09:51,397 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 177 [2024-11-16 16:09:51,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:09:51,402 INFO L225 Difference]: With dead ends: 1104 [2024-11-16 16:09:51,402 INFO L226 Difference]: Without dead ends: 719 [2024-11-16 16:09:51,405 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-16 16:09:51,406 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 343 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 16:09:51,407 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [343 Valid, 502 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 16:09:51,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2024-11-16 16:09:51,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 533. [2024-11-16 16:09:51,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 368 states have (on average 1.2880434782608696) internal successors, (474), 372 states have internal predecessors, (474), 148 states have call successors, (148), 16 states have call predecessors, (148), 16 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-16 16:09:51,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 770 transitions. [2024-11-16 16:09:51,507 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 770 transitions. Word has length 177 [2024-11-16 16:09:51,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:09:51,507 INFO L471 AbstractCegarLoop]: Abstraction has 533 states and 770 transitions. [2024-11-16 16:09:51,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-16 16:09:51,507 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 770 transitions. [2024-11-16 16:09:51,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-16 16:09:51,509 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:09:51,509 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:09:51,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 16:09:51,510 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:09:51,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:09:51,510 INFO L85 PathProgramCache]: Analyzing trace with hash 1571960140, now seen corresponding path program 1 times [2024-11-16 16:09:51,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:09:51,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234435503] [2024-11-16 16:09:51,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:09:51,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:09:51,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:54,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:09:54,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:54,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 16:09:54,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:54,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 16:09:54,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:54,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 16:09:54,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:54,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 16:09:54,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:54,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 16:09:54,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:54,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 16:09:54,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:54,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 16:09:54,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:54,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 16:09:54,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:54,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 16:09:54,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:54,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 16:09:54,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:54,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 16:09:54,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:54,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 16:09:54,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:54,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 16:09:54,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:54,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 16:09:54,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:54,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 16:09:54,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:54,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 16:09:54,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:54,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 16:09:54,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:54,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 16:09:54,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:54,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 16:09:54,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:54,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 16:09:54,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:54,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 16:09:54,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:54,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 16:09:54,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:54,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 16:09:54,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:54,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 16:09:54,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:54,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 16:09:54,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:09:54,592 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-16 16:09:54,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:09:54,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234435503] [2024-11-16 16:09:54,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234435503] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:09:54,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:09:54,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 16:09:54,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173680221] [2024-11-16 16:09:54,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:09:54,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 16:09:54,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:09:54,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 16:09:54,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-16 16:09:54,596 INFO L87 Difference]: Start difference. First operand 533 states and 770 transitions. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-16 16:09:55,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:09:55,759 INFO L93 Difference]: Finished difference Result 991 states and 1422 transitions. [2024-11-16 16:09:55,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 16:09:55,760 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 177 [2024-11-16 16:09:55,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:09:55,766 INFO L225 Difference]: With dead ends: 991 [2024-11-16 16:09:55,766 INFO L226 Difference]: Without dead ends: 636 [2024-11-16 16:09:55,768 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-11-16 16:09:55,768 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 220 mSDsluCounter, 536 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 682 SdHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-16 16:09:55,768 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 682 Invalid, 388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-16 16:09:55,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2024-11-16 16:09:55,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 547. [2024-11-16 16:09:55,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 382 states have (on average 1.287958115183246) internal successors, (492), 386 states have internal predecessors, (492), 148 states have call successors, (148), 16 states have call predecessors, (148), 16 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-16 16:09:55,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 788 transitions. [2024-11-16 16:09:55,841 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 788 transitions. Word has length 177 [2024-11-16 16:09:55,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:09:55,841 INFO L471 AbstractCegarLoop]: Abstraction has 547 states and 788 transitions. [2024-11-16 16:09:55,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-16 16:09:55,842 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 788 transitions. [2024-11-16 16:09:55,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-16 16:09:55,844 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:09:55,845 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:09:55,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 16:09:55,845 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:09:55,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:09:55,845 INFO L85 PathProgramCache]: Analyzing trace with hash -421504724, now seen corresponding path program 1 times [2024-11-16 16:09:55,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:09:55,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288031864] [2024-11-16 16:09:55,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:09:55,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:09:55,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:01,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:10:01,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:01,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 16:10:01,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:01,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 16:10:01,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:01,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 16:10:01,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:01,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 16:10:01,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:01,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 16:10:01,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:01,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 16:10:01,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:01,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 16:10:01,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:01,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 16:10:01,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:01,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 16:10:01,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:01,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 16:10:01,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:01,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 16:10:01,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:01,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 16:10:01,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:01,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 16:10:01,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:01,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 16:10:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:01,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 16:10:01,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:01,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 16:10:01,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:01,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 16:10:01,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:01,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 16:10:01,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:01,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 16:10:01,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:01,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 16:10:01,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:01,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 16:10:01,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:01,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 16:10:01,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:01,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 16:10:01,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:01,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 16:10:01,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:01,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 16:10:01,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:01,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-16 16:10:01,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:10:01,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288031864] [2024-11-16 16:10:01,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288031864] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:10:01,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:10:01,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 16:10:01,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216510290] [2024-11-16 16:10:01,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:10:01,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 16:10:01,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:10:01,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 16:10:01,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-16 16:10:01,093 INFO L87 Difference]: Start difference. First operand 547 states and 788 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-16 16:10:02,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:10:02,359 INFO L93 Difference]: Finished difference Result 1001 states and 1430 transitions. [2024-11-16 16:10:02,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 16:10:02,360 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 177 [2024-11-16 16:10:02,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:10:02,365 INFO L225 Difference]: With dead ends: 1001 [2024-11-16 16:10:02,366 INFO L226 Difference]: Without dead ends: 644 [2024-11-16 16:10:02,367 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2024-11-16 16:10:02,368 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 174 mSDsluCounter, 639 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 783 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-16 16:10:02,368 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 783 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-16 16:10:02,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2024-11-16 16:10:02,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 547. [2024-11-16 16:10:02,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 382 states have (on average 1.287958115183246) internal successors, (492), 386 states have internal predecessors, (492), 148 states have call successors, (148), 16 states have call predecessors, (148), 16 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-16 16:10:02,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 788 transitions. [2024-11-16 16:10:02,427 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 788 transitions. Word has length 177 [2024-11-16 16:10:02,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:10:02,428 INFO L471 AbstractCegarLoop]: Abstraction has 547 states and 788 transitions. [2024-11-16 16:10:02,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-16 16:10:02,428 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 788 transitions. [2024-11-16 16:10:02,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-16 16:10:02,430 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:10:02,430 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:10:02,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 16:10:02,431 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:10:02,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:10:02,431 INFO L85 PathProgramCache]: Analyzing trace with hash -618018229, now seen corresponding path program 1 times [2024-11-16 16:10:02,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:10:02,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285235944] [2024-11-16 16:10:02,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:10:02,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:10:02,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:02,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:10:02,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:03,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 16:10:03,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:03,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 16:10:03,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:03,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 16:10:03,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:03,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 16:10:03,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:03,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 16:10:03,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:03,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 16:10:03,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:03,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 16:10:03,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:03,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 16:10:03,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:03,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 16:10:03,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:03,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 16:10:03,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:03,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 16:10:03,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:03,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 16:10:03,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:03,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 16:10:03,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:03,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 16:10:03,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:03,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 16:10:03,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:03,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 16:10:03,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:03,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 16:10:03,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:03,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 16:10:03,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:03,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 16:10:03,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:03,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 16:10:03,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:03,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 16:10:03,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:03,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 16:10:03,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:03,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 16:10:03,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:03,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 16:10:03,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:03,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 16:10:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:03,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-16 16:10:03,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:10:03,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285235944] [2024-11-16 16:10:03,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285235944] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:10:03,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:10:03,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 16:10:03,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287209468] [2024-11-16 16:10:03,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:10:03,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 16:10:03,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:10:03,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 16:10:03,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-16 16:10:03,061 INFO L87 Difference]: Start difference. First operand 547 states and 788 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-16 16:10:03,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:10:03,838 INFO L93 Difference]: Finished difference Result 1001 states and 1446 transitions. [2024-11-16 16:10:03,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 16:10:03,839 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 177 [2024-11-16 16:10:03,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:10:03,843 INFO L225 Difference]: With dead ends: 1001 [2024-11-16 16:10:03,843 INFO L226 Difference]: Without dead ends: 571 [2024-11-16 16:10:03,845 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2024-11-16 16:10:03,845 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 372 mSDsluCounter, 822 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 1018 SdHoareTripleChecker+Invalid, 422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 16:10:03,846 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 1018 Invalid, 422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 16:10:03,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2024-11-16 16:10:03,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 545. [2024-11-16 16:10:03,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 545 states, 380 states have (on average 1.2815789473684212) internal successors, (487), 384 states have internal predecessors, (487), 148 states have call successors, (148), 16 states have call predecessors, (148), 16 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-16 16:10:03,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 783 transitions. [2024-11-16 16:10:03,899 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 783 transitions. Word has length 177 [2024-11-16 16:10:03,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:10:03,900 INFO L471 AbstractCegarLoop]: Abstraction has 545 states and 783 transitions. [2024-11-16 16:10:03,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-16 16:10:03,900 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 783 transitions. [2024-11-16 16:10:03,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-16 16:10:03,902 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:10:03,902 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:10:03,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 16:10:03,902 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:10:03,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:10:03,902 INFO L85 PathProgramCache]: Analyzing trace with hash 234468869, now seen corresponding path program 1 times [2024-11-16 16:10:03,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:10:03,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585419079] [2024-11-16 16:10:03,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:10:03,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:10:04,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:05,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:10:05,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:05,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 16:10:05,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:05,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 16:10:05,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:05,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 16:10:05,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:05,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 16:10:05,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:05,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 16:10:05,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:05,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 16:10:05,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:05,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 16:10:05,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:05,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 16:10:05,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:05,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 16:10:05,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:05,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 16:10:05,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:05,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 16:10:05,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:05,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 16:10:05,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:05,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 16:10:05,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:05,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 16:10:05,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:05,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 16:10:05,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:05,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 16:10:05,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:05,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 16:10:05,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:05,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 16:10:05,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:05,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 16:10:05,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:05,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 16:10:05,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:05,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 16:10:05,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:05,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 16:10:05,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:05,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 16:10:05,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:05,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 16:10:05,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:05,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 16:10:05,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:05,071 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-16 16:10:05,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:10:05,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585419079] [2024-11-16 16:10:05,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585419079] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:10:05,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:10:05,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 16:10:05,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374116460] [2024-11-16 16:10:05,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:10:05,074 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 16:10:05,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:10:05,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 16:10:05,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-16 16:10:05,075 INFO L87 Difference]: Start difference. First operand 545 states and 783 transitions. Second operand has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-16 16:10:06,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:10:06,222 INFO L93 Difference]: Finished difference Result 1050 states and 1507 transitions. [2024-11-16 16:10:06,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 16:10:06,223 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 178 [2024-11-16 16:10:06,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:10:06,228 INFO L225 Difference]: With dead ends: 1050 [2024-11-16 16:10:06,228 INFO L226 Difference]: Without dead ends: 622 [2024-11-16 16:10:06,230 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2024-11-16 16:10:06,230 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 479 mSDsluCounter, 684 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 479 SdHoareTripleChecker+Valid, 811 SdHoareTripleChecker+Invalid, 477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-16 16:10:06,230 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [479 Valid, 811 Invalid, 477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-16 16:10:06,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2024-11-16 16:10:06,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 566. [2024-11-16 16:10:06,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 401 states have (on average 1.2892768079800498) internal successors, (517), 405 states have internal predecessors, (517), 148 states have call successors, (148), 16 states have call predecessors, (148), 16 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-16 16:10:06,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 813 transitions. [2024-11-16 16:10:06,284 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 813 transitions. Word has length 178 [2024-11-16 16:10:06,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:10:06,285 INFO L471 AbstractCegarLoop]: Abstraction has 566 states and 813 transitions. [2024-11-16 16:10:06,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-16 16:10:06,285 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 813 transitions. [2024-11-16 16:10:06,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-16 16:10:06,286 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:10:06,287 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:10:06,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 16:10:06,287 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:10:06,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:10:06,288 INFO L85 PathProgramCache]: Analyzing trace with hash 37955364, now seen corresponding path program 1 times [2024-11-16 16:10:06,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:10:06,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432237998] [2024-11-16 16:10:06,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:10:06,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:10:06,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:09,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:10:09,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:09,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 16:10:09,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:09,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 16:10:09,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:09,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 16:10:09,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:09,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 16:10:09,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:09,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 16:10:09,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:09,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 16:10:09,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:09,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 16:10:09,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:09,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 16:10:09,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:09,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 16:10:09,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:09,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 16:10:09,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:09,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 16:10:09,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:09,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 16:10:09,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:09,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 16:10:09,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:09,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 16:10:09,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:09,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 16:10:09,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:09,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 16:10:09,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:09,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 16:10:09,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:09,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 16:10:09,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:09,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 16:10:09,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:09,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 16:10:09,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:09,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 16:10:09,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:09,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 16:10:09,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:09,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 16:10:09,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:09,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 16:10:09,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:09,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 16:10:09,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:09,532 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-16 16:10:09,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:10:09,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432237998] [2024-11-16 16:10:09,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432237998] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:10:09,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:10:09,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-16 16:10:09,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399282059] [2024-11-16 16:10:09,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:10:09,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-16 16:10:09,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:10:09,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-16 16:10:09,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-16 16:10:09,536 INFO L87 Difference]: Start difference. First operand 566 states and 813 transitions. Second operand has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-16 16:10:11,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:10:11,093 INFO L93 Difference]: Finished difference Result 969 states and 1386 transitions. [2024-11-16 16:10:11,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-16 16:10:11,094 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 178 [2024-11-16 16:10:11,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:10:11,100 INFO L225 Difference]: With dead ends: 969 [2024-11-16 16:10:11,100 INFO L226 Difference]: Without dead ends: 612 [2024-11-16 16:10:11,103 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=209, Invalid=603, Unknown=0, NotChecked=0, Total=812 [2024-11-16 16:10:11,103 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 414 mSDsluCounter, 862 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 414 SdHoareTripleChecker+Valid, 1000 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-16 16:10:11,104 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [414 Valid, 1000 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 430 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-16 16:10:11,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 612 states. [2024-11-16 16:10:11,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 612 to 568. [2024-11-16 16:10:11,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 568 states, 403 states have (on average 1.2903225806451613) internal successors, (520), 407 states have internal predecessors, (520), 148 states have call successors, (148), 16 states have call predecessors, (148), 16 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-16 16:10:11,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 816 transitions. [2024-11-16 16:10:11,160 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 816 transitions. Word has length 178 [2024-11-16 16:10:11,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:10:11,161 INFO L471 AbstractCegarLoop]: Abstraction has 568 states and 816 transitions. [2024-11-16 16:10:11,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-16 16:10:11,161 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 816 transitions. [2024-11-16 16:10:11,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-16 16:10:11,163 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:10:11,163 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:10:11,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 16:10:11,163 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:10:11,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:10:11,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1955509500, now seen corresponding path program 1 times [2024-11-16 16:10:11,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:10:11,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674624390] [2024-11-16 16:10:11,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:10:11,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:10:11,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:13,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:10:13,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:13,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 16:10:13,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:13,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 16:10:13,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:13,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 16:10:13,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:13,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 16:10:13,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:13,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 16:10:13,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:13,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 16:10:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:13,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 16:10:13,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:13,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 16:10:13,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:13,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 16:10:13,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:13,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 16:10:13,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:13,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 16:10:13,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:13,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 16:10:13,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:13,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 16:10:13,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:13,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 16:10:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:13,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 16:10:13,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:13,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 16:10:13,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:13,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 16:10:13,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:13,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 16:10:13,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:13,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 16:10:13,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:13,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 16:10:13,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:13,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 16:10:13,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:13,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 16:10:13,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:13,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 16:10:13,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:13,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 16:10:13,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:13,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 16:10:13,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:13,674 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-16 16:10:13,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:10:13,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674624390] [2024-11-16 16:10:13,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674624390] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:10:13,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:10:13,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-16 16:10:13,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975889638] [2024-11-16 16:10:13,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:10:13,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-16 16:10:13,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:10:13,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-16 16:10:13,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2024-11-16 16:10:13,676 INFO L87 Difference]: Start difference. First operand 568 states and 816 transitions. Second operand has 16 states, 16 states have (on average 3.1875) internal successors, (51), 16 states have internal predecessors, (51), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-16 16:10:16,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:10:16,045 INFO L93 Difference]: Finished difference Result 1187 states and 1689 transitions. [2024-11-16 16:10:16,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-16 16:10:16,046 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.1875) internal successors, (51), 16 states have internal predecessors, (51), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 178 [2024-11-16 16:10:16,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:10:16,051 INFO L225 Difference]: With dead ends: 1187 [2024-11-16 16:10:16,051 INFO L226 Difference]: Without dead ends: 830 [2024-11-16 16:10:16,053 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=317, Invalid=1015, Unknown=0, NotChecked=0, Total=1332 [2024-11-16 16:10:16,053 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 610 mSDsluCounter, 1582 mSDsCounter, 0 mSdLazyCounter, 977 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 610 SdHoareTripleChecker+Valid, 1810 SdHoareTripleChecker+Invalid, 1088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 977 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-16 16:10:16,054 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [610 Valid, 1810 Invalid, 1088 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 977 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-16 16:10:16,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2024-11-16 16:10:16,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 569. [2024-11-16 16:10:16,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 569 states, 404 states have (on average 1.2896039603960396) internal successors, (521), 408 states have internal predecessors, (521), 148 states have call successors, (148), 16 states have call predecessors, (148), 16 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-16 16:10:16,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 817 transitions. [2024-11-16 16:10:16,115 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 817 transitions. Word has length 178 [2024-11-16 16:10:16,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:10:16,115 INFO L471 AbstractCegarLoop]: Abstraction has 569 states and 817 transitions. [2024-11-16 16:10:16,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.1875) internal successors, (51), 16 states have internal predecessors, (51), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-16 16:10:16,116 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 817 transitions. [2024-11-16 16:10:16,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-16 16:10:16,117 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:10:16,117 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:10:16,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 16:10:16,118 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:10:16,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:10:16,118 INFO L85 PathProgramCache]: Analyzing trace with hash -255447643, now seen corresponding path program 1 times [2024-11-16 16:10:16,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:10:16,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488146609] [2024-11-16 16:10:16,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:10:16,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:10:16,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:21,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:10:21,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:21,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 16:10:21,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:21,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 16:10:21,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:21,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 16:10:21,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:21,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 16:10:21,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:21,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 16:10:21,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:21,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 16:10:21,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:21,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 16:10:21,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:21,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 16:10:21,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:21,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 16:10:21,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:21,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 16:10:21,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:21,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 16:10:21,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:21,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 16:10:21,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:21,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 16:10:21,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:21,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 16:10:21,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:21,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 16:10:21,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:21,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 16:10:21,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:21,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 16:10:21,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:21,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 16:10:21,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:21,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 16:10:21,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:21,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 16:10:21,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:21,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 16:10:21,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:21,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 16:10:21,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:21,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 16:10:21,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:21,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 16:10:21,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:21,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 16:10:21,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:21,565 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-16 16:10:21,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:10:21,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488146609] [2024-11-16 16:10:21,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488146609] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:10:21,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:10:21,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-16 16:10:21,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939708805] [2024-11-16 16:10:21,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:10:21,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-16 16:10:21,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:10:21,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-16 16:10:21,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2024-11-16 16:10:21,568 INFO L87 Difference]: Start difference. First operand 569 states and 817 transitions. Second operand has 15 states, 15 states have (on average 3.4) internal successors, (51), 15 states have internal predecessors, (51), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-16 16:10:26,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:10:26,245 INFO L93 Difference]: Finished difference Result 975 states and 1399 transitions. [2024-11-16 16:10:26,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-16 16:10:26,246 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.4) internal successors, (51), 15 states have internal predecessors, (51), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 178 [2024-11-16 16:10:26,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:10:26,253 INFO L225 Difference]: With dead ends: 975 [2024-11-16 16:10:26,253 INFO L226 Difference]: Without dead ends: 618 [2024-11-16 16:10:26,255 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=213, Invalid=717, Unknown=0, NotChecked=0, Total=930 [2024-11-16 16:10:26,257 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 460 mSDsluCounter, 1106 mSDsCounter, 0 mSdLazyCounter, 1203 mSolverCounterSat, 238 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 460 SdHoareTripleChecker+Valid, 1329 SdHoareTripleChecker+Invalid, 1441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 238 IncrementalHoareTripleChecker+Valid, 1203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-16 16:10:26,257 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [460 Valid, 1329 Invalid, 1441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [238 Valid, 1203 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-16 16:10:26,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2024-11-16 16:10:26,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 573. [2024-11-16 16:10:26,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 573 states, 408 states have (on average 1.286764705882353) internal successors, (525), 412 states have internal predecessors, (525), 148 states have call successors, (148), 16 states have call predecessors, (148), 16 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-16 16:10:26,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 821 transitions. [2024-11-16 16:10:26,316 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 821 transitions. Word has length 178 [2024-11-16 16:10:26,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:10:26,317 INFO L471 AbstractCegarLoop]: Abstraction has 573 states and 821 transitions. [2024-11-16 16:10:26,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.4) internal successors, (51), 15 states have internal predecessors, (51), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-16 16:10:26,317 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 821 transitions. [2024-11-16 16:10:26,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-16 16:10:26,318 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:10:26,319 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:10:26,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-16 16:10:26,319 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:10:26,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:10:26,320 INFO L85 PathProgramCache]: Analyzing trace with hash 2046054789, now seen corresponding path program 1 times [2024-11-16 16:10:26,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:10:26,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202489236] [2024-11-16 16:10:26,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:10:26,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:10:26,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:28,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:10:28,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:28,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 16:10:28,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:28,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 16:10:28,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:28,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 16:10:28,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:28,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 16:10:28,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:28,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 16:10:28,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:28,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 16:10:28,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:28,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 16:10:28,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:28,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 16:10:28,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:28,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 16:10:28,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:28,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 16:10:28,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:28,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 16:10:28,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:28,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 16:10:28,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:28,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 16:10:28,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:28,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 16:10:28,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:28,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 16:10:28,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:28,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 16:10:28,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:28,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 16:10:28,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:28,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 16:10:28,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:28,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 16:10:28,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:28,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 16:10:28,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:28,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 16:10:28,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:28,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 16:10:28,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:28,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 16:10:28,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:28,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 16:10:28,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:28,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 16:10:28,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:28,455 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-16 16:10:28,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:10:28,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202489236] [2024-11-16 16:10:28,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202489236] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:10:28,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:10:28,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-16 16:10:28,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379082732] [2024-11-16 16:10:28,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:10:28,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-16 16:10:28,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:10:28,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-16 16:10:28,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-16 16:10:28,457 INFO L87 Difference]: Start difference. First operand 573 states and 821 transitions. Second operand has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-16 16:10:29,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:10:29,967 INFO L93 Difference]: Finished difference Result 1005 states and 1432 transitions. [2024-11-16 16:10:29,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-16 16:10:29,969 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 178 [2024-11-16 16:10:29,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:10:29,976 INFO L225 Difference]: With dead ends: 1005 [2024-11-16 16:10:29,977 INFO L226 Difference]: Without dead ends: 648 [2024-11-16 16:10:29,980 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 238 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=309, Invalid=881, Unknown=0, NotChecked=0, Total=1190 [2024-11-16 16:10:29,981 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 490 mSDsluCounter, 1184 mSDsCounter, 0 mSdLazyCounter, 710 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 490 SdHoareTripleChecker+Valid, 1405 SdHoareTripleChecker+Invalid, 794 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-16 16:10:29,981 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [490 Valid, 1405 Invalid, 794 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 710 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-16 16:10:29,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2024-11-16 16:10:30,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 574. [2024-11-16 16:10:30,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 574 states, 409 states have (on average 1.2860635696821516) internal successors, (526), 413 states have internal predecessors, (526), 148 states have call successors, (148), 16 states have call predecessors, (148), 16 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-16 16:10:30,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 822 transitions. [2024-11-16 16:10:30,032 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 822 transitions. Word has length 178 [2024-11-16 16:10:30,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:10:30,032 INFO L471 AbstractCegarLoop]: Abstraction has 574 states and 822 transitions. [2024-11-16 16:10:30,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.642857142857143) internal successors, (51), 14 states have internal predecessors, (51), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-16 16:10:30,033 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 822 transitions. [2024-11-16 16:10:30,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-16 16:10:30,034 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:10:30,034 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:10:30,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-16 16:10:30,035 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:10:30,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:10:30,035 INFO L85 PathProgramCache]: Analyzing trace with hash -611657449, now seen corresponding path program 1 times [2024-11-16 16:10:30,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:10:30,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783302663] [2024-11-16 16:10:30,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:10:30,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:10:30,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:32,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:10:32,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:32,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 16:10:32,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:32,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 16:10:32,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:32,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 16:10:32,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:32,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 16:10:32,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:32,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 16:10:32,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:32,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 16:10:32,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:32,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 16:10:32,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:32,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 16:10:32,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:32,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 16:10:32,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:32,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 16:10:32,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:32,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 16:10:32,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:32,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 16:10:32,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:32,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 16:10:32,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:32,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 16:10:32,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:32,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 16:10:32,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:32,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 16:10:32,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:32,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 16:10:32,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:32,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 16:10:32,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:32,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 16:10:32,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:32,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 16:10:32,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:32,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 16:10:32,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:32,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 16:10:32,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:32,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 16:10:32,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:32,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 16:10:32,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:32,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 16:10:32,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:32,617 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-16 16:10:32,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:10:32,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783302663] [2024-11-16 16:10:32,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783302663] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:10:32,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:10:32,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-16 16:10:32,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377942591] [2024-11-16 16:10:32,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:10:32,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 16:10:32,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:10:32,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 16:10:32,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-16 16:10:32,620 INFO L87 Difference]: Start difference. First operand 574 states and 822 transitions. Second operand has 13 states, 13 states have (on average 4.0) internal successors, (52), 13 states have internal predecessors, (52), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-16 16:10:34,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:10:34,674 INFO L93 Difference]: Finished difference Result 1136 states and 1612 transitions. [2024-11-16 16:10:34,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-16 16:10:34,675 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.0) internal successors, (52), 13 states have internal predecessors, (52), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 179 [2024-11-16 16:10:34,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:10:34,680 INFO L225 Difference]: With dead ends: 1136 [2024-11-16 16:10:34,681 INFO L226 Difference]: Without dead ends: 779 [2024-11-16 16:10:34,682 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=245, Invalid=625, Unknown=0, NotChecked=0, Total=870 [2024-11-16 16:10:34,683 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 547 mSDsluCounter, 895 mSDsCounter, 0 mSdLazyCounter, 988 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 547 SdHoareTripleChecker+Valid, 1054 SdHoareTripleChecker+Invalid, 1127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 988 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-16 16:10:34,683 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [547 Valid, 1054 Invalid, 1127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 988 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-16 16:10:34,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2024-11-16 16:10:34,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 575. [2024-11-16 16:10:34,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 575 states, 410 states have (on average 1.2878048780487805) internal successors, (528), 414 states have internal predecessors, (528), 148 states have call successors, (148), 16 states have call predecessors, (148), 16 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-16 16:10:34,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 824 transitions. [2024-11-16 16:10:34,741 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 824 transitions. Word has length 179 [2024-11-16 16:10:34,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:10:34,742 INFO L471 AbstractCegarLoop]: Abstraction has 575 states and 824 transitions. [2024-11-16 16:10:34,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.0) internal successors, (52), 13 states have internal predecessors, (52), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-16 16:10:34,742 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 824 transitions. [2024-11-16 16:10:34,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-16 16:10:34,743 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:10:34,743 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:10:34,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-16 16:10:34,743 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:10:34,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:10:34,743 INFO L85 PathProgramCache]: Analyzing trace with hash -905060456, now seen corresponding path program 1 times [2024-11-16 16:10:34,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:10:34,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468457804] [2024-11-16 16:10:34,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:10:34,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:10:34,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:36,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:10:36,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:36,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 16:10:36,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:36,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 16:10:36,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:36,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 16:10:36,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:36,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 16:10:36,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:36,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 16:10:36,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:36,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 16:10:36,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:36,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 16:10:36,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:36,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 16:10:36,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:36,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 16:10:36,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:36,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 16:10:36,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:36,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 16:10:36,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:36,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 16:10:36,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:36,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 16:10:36,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:36,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 16:10:36,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:36,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 16:10:36,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:36,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 16:10:36,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:36,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 16:10:36,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:36,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 16:10:36,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:36,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 16:10:36,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:36,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 16:10:36,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:36,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 16:10:36,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:36,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 16:10:36,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:36,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 16:10:36,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:36,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 16:10:36,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:36,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 16:10:36,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:36,688 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-16 16:10:36,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:10:36,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468457804] [2024-11-16 16:10:36,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468457804] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:10:36,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:10:36,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 16:10:36,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210401832] [2024-11-16 16:10:36,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:10:36,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 16:10:36,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:10:36,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 16:10:36,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-16 16:10:36,691 INFO L87 Difference]: Start difference. First operand 575 states and 824 transitions. Second operand has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-16 16:10:37,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:10:37,943 INFO L93 Difference]: Finished difference Result 1194 states and 1690 transitions. [2024-11-16 16:10:37,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 16:10:37,943 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 179 [2024-11-16 16:10:37,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:10:37,948 INFO L225 Difference]: With dead ends: 1194 [2024-11-16 16:10:37,949 INFO L226 Difference]: Without dead ends: 837 [2024-11-16 16:10:37,950 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2024-11-16 16:10:37,950 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 185 mSDsluCounter, 714 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 889 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-16 16:10:37,951 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 889 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-16 16:10:37,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2024-11-16 16:10:38,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 619. [2024-11-16 16:10:38,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 619 states, 454 states have (on average 1.3127753303964758) internal successors, (596), 458 states have internal predecessors, (596), 148 states have call successors, (148), 16 states have call predecessors, (148), 16 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-16 16:10:38,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 892 transitions. [2024-11-16 16:10:38,015 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 892 transitions. Word has length 179 [2024-11-16 16:10:38,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:10:38,016 INFO L471 AbstractCegarLoop]: Abstraction has 619 states and 892 transitions. [2024-11-16 16:10:38,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-16 16:10:38,016 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 892 transitions. [2024-11-16 16:10:38,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-16 16:10:38,017 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:10:38,017 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:10:38,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-16 16:10:38,018 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:10:38,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:10:38,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1199928471, now seen corresponding path program 1 times [2024-11-16 16:10:38,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:10:38,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10725168] [2024-11-16 16:10:38,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:10:38,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:10:38,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:39,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:10:39,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:39,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 16:10:39,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:39,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 16:10:39,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:39,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 16:10:39,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:39,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 16:10:39,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:39,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 16:10:39,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:39,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 16:10:39,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:39,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 16:10:39,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:39,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 16:10:39,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:39,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 16:10:39,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:39,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 16:10:39,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:39,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 16:10:39,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:39,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 16:10:39,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:39,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 16:10:39,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:39,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 16:10:39,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:39,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 16:10:39,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:39,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 16:10:39,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:39,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 16:10:39,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:39,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 16:10:39,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:39,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 16:10:39,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:39,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 16:10:39,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:39,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 16:10:39,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:39,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 16:10:39,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:39,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 16:10:39,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:39,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 16:10:39,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:39,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 16:10:39,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:39,199 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-16 16:10:39,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:10:39,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10725168] [2024-11-16 16:10:39,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10725168] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:10:39,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:10:39,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 16:10:39,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876572567] [2024-11-16 16:10:39,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:10:39,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 16:10:39,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:10:39,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 16:10:39,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-16 16:10:39,201 INFO L87 Difference]: Start difference. First operand 619 states and 892 transitions. Second operand has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-16 16:10:40,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:10:40,120 INFO L93 Difference]: Finished difference Result 1300 states and 1860 transitions. [2024-11-16 16:10:40,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 16:10:40,121 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 179 [2024-11-16 16:10:40,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:10:40,127 INFO L225 Difference]: With dead ends: 1300 [2024-11-16 16:10:40,127 INFO L226 Difference]: Without dead ends: 899 [2024-11-16 16:10:40,128 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-16 16:10:40,129 INFO L432 NwaCegarLoop]: 277 mSDtfsCounter, 187 mSDsluCounter, 803 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 1080 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-16 16:10:40,129 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 1080 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 633 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-16 16:10:40,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 899 states. [2024-11-16 16:10:40,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 899 to 616. [2024-11-16 16:10:40,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 616 states, 451 states have (on average 1.3170731707317074) internal successors, (594), 455 states have internal predecessors, (594), 148 states have call successors, (148), 16 states have call predecessors, (148), 16 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-16 16:10:40,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 616 states and 890 transitions. [2024-11-16 16:10:40,192 INFO L78 Accepts]: Start accepts. Automaton has 616 states and 890 transitions. Word has length 179 [2024-11-16 16:10:40,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:10:40,193 INFO L471 AbstractCegarLoop]: Abstraction has 616 states and 890 transitions. [2024-11-16 16:10:40,193 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-16 16:10:40,193 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 890 transitions. [2024-11-16 16:10:40,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-16 16:10:40,194 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:10:40,194 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:10:40,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-16 16:10:40,194 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:10:40,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:10:40,195 INFO L85 PathProgramCache]: Analyzing trace with hash 2066793504, now seen corresponding path program 1 times [2024-11-16 16:10:40,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:10:40,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975054804] [2024-11-16 16:10:40,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:10:40,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:10:40,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:40,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:10:40,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:40,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 16:10:40,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:40,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 16:10:40,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:40,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 16:10:40,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:40,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 16:10:40,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:40,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 16:10:40,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:40,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 16:10:40,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:40,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 16:10:40,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:40,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 16:10:40,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:40,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 16:10:40,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:40,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 16:10:40,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:40,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 16:10:40,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:40,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 16:10:40,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:40,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 16:10:40,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:40,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 16:10:40,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:40,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 16:10:40,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:40,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 16:10:40,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:40,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 16:10:40,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:40,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 16:10:40,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:40,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 16:10:40,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:40,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 16:10:40,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:40,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 16:10:40,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:40,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 16:10:40,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:40,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 16:10:40,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:40,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 16:10:40,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:40,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 16:10:40,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:40,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 27 proven. 48 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-16 16:10:40,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:10:40,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975054804] [2024-11-16 16:10:40,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975054804] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 16:10:40,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [6964847] [2024-11-16 16:10:40,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:10:40,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 16:10:40,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 16:10:40,578 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 16:10:40,579 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 16:10:40,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:40,736 INFO L255 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-16 16:10:40,754 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 16:10:41,083 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 637 proven. 90 refuted. 0 times theorem prover too weak. 573 trivial. 0 not checked. [2024-11-16 16:10:41,084 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 16:10:41,330 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 27 proven. 48 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-16 16:10:41,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [6964847] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 16:10:41,331 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 16:10:41,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 11, 7] total 17 [2024-11-16 16:10:41,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489263423] [2024-11-16 16:10:41,332 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 16:10:41,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-16 16:10:41,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:10:41,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-16 16:10:41,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2024-11-16 16:10:41,334 INFO L87 Difference]: Start difference. First operand 616 states and 890 transitions. Second operand has 17 states, 17 states have (on average 5.882352941176471) internal successors, (100), 17 states have internal predecessors, (100), 3 states have call successors, (42), 3 states have call predecessors, (42), 5 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2024-11-16 16:10:42,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:10:42,219 INFO L93 Difference]: Finished difference Result 1268 states and 1786 transitions. [2024-11-16 16:10:42,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-16 16:10:42,220 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 5.882352941176471) internal successors, (100), 17 states have internal predecessors, (100), 3 states have call successors, (42), 3 states have call predecessors, (42), 5 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 179 [2024-11-16 16:10:42,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:10:42,225 INFO L225 Difference]: With dead ends: 1268 [2024-11-16 16:10:42,225 INFO L226 Difference]: Without dead ends: 841 [2024-11-16 16:10:42,227 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 446 GetRequests, 402 SyntacticMatches, 2 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 539 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=454, Invalid=1438, Unknown=0, NotChecked=0, Total=1892 [2024-11-16 16:10:42,227 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 388 mSDsluCounter, 914 mSDsCounter, 0 mSdLazyCounter, 907 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 408 SdHoareTripleChecker+Valid, 1072 SdHoareTripleChecker+Invalid, 1050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 907 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-16 16:10:42,227 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [408 Valid, 1072 Invalid, 1050 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 907 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-16 16:10:42,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 841 states. [2024-11-16 16:10:42,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 841 to 612. [2024-11-16 16:10:42,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 612 states, 437 states have (on average 1.2723112128146452) internal successors, (556), 441 states have internal predecessors, (556), 148 states have call successors, (148), 26 states have call predecessors, (148), 26 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-16 16:10:42,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 852 transitions. [2024-11-16 16:10:42,304 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 852 transitions. Word has length 179 [2024-11-16 16:10:42,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:10:42,305 INFO L471 AbstractCegarLoop]: Abstraction has 612 states and 852 transitions. [2024-11-16 16:10:42,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.882352941176471) internal successors, (100), 17 states have internal predecessors, (100), 3 states have call successors, (42), 3 states have call predecessors, (42), 5 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2024-11-16 16:10:42,305 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 852 transitions. [2024-11-16 16:10:42,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-16 16:10:42,306 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:10:42,306 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:10:42,320 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 16:10:42,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 16:10:42,509 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:10:42,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:10:42,510 INFO L85 PathProgramCache]: Analyzing trace with hash 1952089933, now seen corresponding path program 1 times [2024-11-16 16:10:42,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:10:42,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981189416] [2024-11-16 16:10:42,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:10:42,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:10:42,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:42,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:10:42,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:42,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 16:10:42,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:42,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 16:10:42,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:42,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 16:10:42,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:42,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 16:10:42,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:42,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 16:10:42,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:42,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 16:10:42,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:42,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 16:10:42,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:42,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 16:10:42,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:42,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 16:10:42,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:42,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 16:10:42,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:42,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 16:10:42,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:42,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 16:10:42,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:42,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 16:10:42,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:42,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 16:10:42,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:42,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 16:10:42,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:42,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 16:10:42,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:42,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 16:10:42,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:42,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 16:10:42,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:42,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 16:10:42,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:42,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 16:10:42,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:42,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 16:10:42,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:42,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 16:10:42,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:42,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 16:10:42,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:42,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 16:10:42,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:42,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 16:10:42,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:42,741 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-16 16:10:42,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:10:42,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981189416] [2024-11-16 16:10:42,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981189416] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:10:42,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:10:42,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 16:10:42,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807284882] [2024-11-16 16:10:42,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:10:42,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 16:10:42,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:10:42,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 16:10:42,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 16:10:42,744 INFO L87 Difference]: Start difference. First operand 612 states and 852 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-16 16:10:43,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:10:43,423 INFO L93 Difference]: Finished difference Result 2581 states and 3656 transitions. [2024-11-16 16:10:43,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 16:10:43,423 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 179 [2024-11-16 16:10:43,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:10:43,434 INFO L225 Difference]: With dead ends: 2581 [2024-11-16 16:10:43,434 INFO L226 Difference]: Without dead ends: 2135 [2024-11-16 16:10:43,436 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-16 16:10:43,437 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 723 mSDsluCounter, 654 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 317 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 723 SdHoareTripleChecker+Valid, 785 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 317 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 16:10:43,437 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [723 Valid, 785 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [317 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 16:10:43,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2135 states. [2024-11-16 16:10:43,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2135 to 1592. [2024-11-16 16:10:43,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1592 states, 1133 states have (on average 1.2744924977934686) internal successors, (1444), 1145 states have internal predecessors, (1444), 392 states have call successors, (392), 66 states have call predecessors, (392), 66 states have return successors, (392), 380 states have call predecessors, (392), 392 states have call successors, (392) [2024-11-16 16:10:43,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 1592 states and 2228 transitions. [2024-11-16 16:10:43,791 INFO L78 Accepts]: Start accepts. Automaton has 1592 states and 2228 transitions. Word has length 179 [2024-11-16 16:10:43,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:10:43,794 INFO L471 AbstractCegarLoop]: Abstraction has 1592 states and 2228 transitions. [2024-11-16 16:10:43,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 2 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-16 16:10:43,794 INFO L276 IsEmpty]: Start isEmpty. Operand 1592 states and 2228 transitions. [2024-11-16 16:10:43,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-16 16:10:43,795 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:10:43,795 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:10:43,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-16 16:10:43,795 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:10:43,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:10:43,796 INFO L85 PathProgramCache]: Analyzing trace with hash -600067028, now seen corresponding path program 1 times [2024-11-16 16:10:43,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:10:43,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328081191] [2024-11-16 16:10:43,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:10:43,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:10:43,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:46,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:10:46,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:46,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 16:10:46,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:46,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 16:10:46,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:46,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 16:10:46,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:46,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 16:10:46,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:46,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 16:10:46,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:46,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 16:10:46,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:46,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 16:10:46,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:46,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 16:10:46,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:46,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 16:10:46,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:46,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 16:10:46,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:46,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 16:10:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:46,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 16:10:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:46,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 16:10:46,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:46,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 16:10:46,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:46,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 16:10:46,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:46,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 16:10:46,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:46,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 16:10:46,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:46,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 16:10:46,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:46,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 16:10:46,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:46,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 16:10:46,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:46,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 16:10:46,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:46,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 16:10:46,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:46,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 16:10:46,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:46,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 16:10:46,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:46,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 16:10:46,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:46,882 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2024-11-16 16:10:46,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:10:46,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328081191] [2024-11-16 16:10:46,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328081191] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 16:10:46,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 16:10:46,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 16:10:46,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707638004] [2024-11-16 16:10:46,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 16:10:46,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 16:10:46,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 16:10:46,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 16:10:46,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-16 16:10:46,885 INFO L87 Difference]: Start difference. First operand 1592 states and 2228 transitions. Second operand has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-16 16:10:47,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 16:10:47,813 INFO L93 Difference]: Finished difference Result 2960 states and 4163 transitions. [2024-11-16 16:10:47,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 16:10:47,817 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 179 [2024-11-16 16:10:47,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 16:10:47,826 INFO L225 Difference]: With dead ends: 2960 [2024-11-16 16:10:47,827 INFO L226 Difference]: Without dead ends: 1671 [2024-11-16 16:10:47,831 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-16 16:10:47,832 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 51 mSDsluCounter, 516 mSDsCounter, 0 mSdLazyCounter, 348 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 646 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-16 16:10:47,834 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 646 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 348 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-16 16:10:47,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1671 states. [2024-11-16 16:10:48,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1671 to 1605. [2024-11-16 16:10:48,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1605 states, 1146 states have (on average 1.2774869109947644) internal successors, (1464), 1158 states have internal predecessors, (1464), 392 states have call successors, (392), 66 states have call predecessors, (392), 66 states have return successors, (392), 380 states have call predecessors, (392), 392 states have call successors, (392) [2024-11-16 16:10:48,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1605 states to 1605 states and 2248 transitions. [2024-11-16 16:10:48,042 INFO L78 Accepts]: Start accepts. Automaton has 1605 states and 2248 transitions. Word has length 179 [2024-11-16 16:10:48,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 16:10:48,043 INFO L471 AbstractCegarLoop]: Abstraction has 1605 states and 2248 transitions. [2024-11-16 16:10:48,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.777777777777778) internal successors, (52), 9 states have internal predecessors, (52), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2024-11-16 16:10:48,043 INFO L276 IsEmpty]: Start isEmpty. Operand 1605 states and 2248 transitions. [2024-11-16 16:10:48,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-16 16:10:48,044 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 16:10:48,044 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 16:10:48,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-16 16:10:48,045 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 16:10:48,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 16:10:48,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1061986296, now seen corresponding path program 1 times [2024-11-16 16:10:48,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 16:10:48,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391333676] [2024-11-16 16:10:48,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:10:48,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 16:10:48,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:48,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 16:10:48,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:48,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 16:10:48,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:48,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-16 16:10:48,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:48,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 16:10:48,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:48,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 16:10:48,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:48,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 16:10:48,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:48,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 16:10:48,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:48,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 16:10:48,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:48,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 16:10:48,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:48,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 16:10:48,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:48,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-16 16:10:48,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:48,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 16:10:48,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:48,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 16:10:48,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:48,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 16:10:48,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:48,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 16:10:48,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:48,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 16:10:48,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:48,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-16 16:10:48,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:48,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 16:10:48,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:48,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 16:10:48,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:48,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 16:10:48,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:48,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 16:10:48,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:48,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 16:10:48,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:48,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 16:10:48,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:48,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 16:10:48,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:48,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 16:10:48,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:48,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 16:10:48,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 16:10:48,843 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 6 proven. 69 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-11-16 16:10:48,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 16:10:48,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391333676] [2024-11-16 16:10:48,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391333676] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 16:10:48,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1334133047] [2024-11-16 16:10:48,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 16:10:48,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 16:10:48,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 16:10:48,846 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-16 16:10:48,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process