./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-81.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_operatoramount_amount50_file-81.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6d1c02b3372a206bee55669628072c3bed3eaa07fdec8b30d7cf878b8d085487 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 17:54:52,392 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 17:54:52,476 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 17:54:52,480 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 17:54:52,483 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 17:54:52,513 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 17:54:52,514 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 17:54:52,514 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 17:54:52,515 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 17:54:52,516 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 17:54:52,516 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 17:54:52,517 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 17:54:52,517 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 17:54:52,519 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 17:54:52,520 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 17:54:52,520 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 17:54:52,520 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 17:54:52,521 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 17:54:52,521 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 17:54:52,521 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 17:54:52,521 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 17:54:52,525 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 17:54:52,525 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 17:54:52,526 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 17:54:52,526 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 17:54:52,526 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 17:54:52,526 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 17:54:52,526 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 17:54:52,527 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 17:54:52,527 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 17:54:52,527 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 17:54:52,527 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 17:54:52,527 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 17:54:52,527 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 17:54:52,528 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 17:54:52,528 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 17:54:52,529 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 17:54:52,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 17:54:52,530 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 17:54:52,530 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 17:54:52,530 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 17:54:52,531 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 17:54:52,531 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d1c02b3372a206bee55669628072c3bed3eaa07fdec8b30d7cf878b8d085487 [2024-11-16 17:54:52,762 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 17:54:52,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 17:54:52,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 17:54:52,789 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 17:54:52,792 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 17:54:52,793 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-81.i [2024-11-16 17:54:54,204 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 17:54:54,406 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 17:54:54,407 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount50_file-81.i [2024-11-16 17:54:54,418 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4784b6ef1/e57397b6a8d24d779aac367c98134726/FLAG2d0bc8cd4 [2024-11-16 17:54:54,786 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4784b6ef1/e57397b6a8d24d779aac367c98134726 [2024-11-16 17:54:54,788 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 17:54:54,789 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 17:54:54,790 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 17:54:54,790 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 17:54:54,799 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 17:54:54,800 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 05:54:54" (1/1) ... [2024-11-16 17:54:54,804 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@726a96c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:54:54, skipping insertion in model container [2024-11-16 17:54:54,804 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 05:54:54" (1/1) ... [2024-11-16 17:54:54,837 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 17:54:55,023 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_operatoramount_amount50_file-81.i[915,928] [2024-11-16 17:54:55,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 17:54:55,093 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 17:54:55,104 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_operatoramount_amount50_file-81.i[915,928] [2024-11-16 17:54:55,142 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 17:54:55,172 INFO L204 MainTranslator]: Completed translation [2024-11-16 17:54:55,173 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:54:55 WrapperNode [2024-11-16 17:54:55,173 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 17:54:55,174 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 17:54:55,174 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 17:54:55,174 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 17:54:55,181 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:54:55" (1/1) ... [2024-11-16 17:54:55,192 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:54:55" (1/1) ... [2024-11-16 17:54:55,256 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 178 [2024-11-16 17:54:55,257 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 17:54:55,258 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 17:54:55,258 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 17:54:55,258 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 17:54:55,269 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:54:55" (1/1) ... [2024-11-16 17:54:55,270 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:54:55" (1/1) ... [2024-11-16 17:54:55,274 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:54:55" (1/1) ... [2024-11-16 17:54:55,295 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 17:54:55,296 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:54:55" (1/1) ... [2024-11-16 17:54:55,296 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:54:55" (1/1) ... [2024-11-16 17:54:55,305 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:54:55" (1/1) ... [2024-11-16 17:54:55,306 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:54:55" (1/1) ... [2024-11-16 17:54:55,308 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:54:55" (1/1) ... [2024-11-16 17:54:55,311 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:54:55" (1/1) ... [2024-11-16 17:54:55,326 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 17:54:55,327 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 17:54:55,327 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 17:54:55,328 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 17:54:55,328 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:54:55" (1/1) ... [2024-11-16 17:54:55,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 17:54:55,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 17:54:55,381 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 17:54:55,388 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 17:54:55,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 17:54:55,437 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 17:54:55,438 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 17:54:55,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 17:54:55,438 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 17:54:55,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 17:54:55,541 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 17:54:55,546 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 17:54:55,894 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L134: havoc property_#t~bitwise18#1;havoc property_#t~short19#1; [2024-11-16 17:54:55,925 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-16 17:54:55,925 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 17:54:55,951 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 17:54:55,952 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 17:54:55,953 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:54:55 BoogieIcfgContainer [2024-11-16 17:54:55,953 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 17:54:55,956 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 17:54:55,957 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 17:54:55,960 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 17:54:55,961 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 05:54:54" (1/3) ... [2024-11-16 17:54:55,962 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49cc6d84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 05:54:55, skipping insertion in model container [2024-11-16 17:54:55,962 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 05:54:55" (2/3) ... [2024-11-16 17:54:55,963 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49cc6d84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 05:54:55, skipping insertion in model container [2024-11-16 17:54:55,964 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 05:54:55" (3/3) ... [2024-11-16 17:54:55,965 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-81.i [2024-11-16 17:54:55,982 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 17:54:55,982 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 17:54:56,057 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 17:54:56,065 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;@5e0c0785, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 17:54:56,065 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 17:54:56,070 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 51 states have (on average 1.3529411764705883) internal successors, (69), 52 states have internal predecessors, (69), 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 17:54:56,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-16 17:54:56,085 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:54:56,086 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] [2024-11-16 17:54:56,086 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:54:56,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:54:56,092 INFO L85 PathProgramCache]: Analyzing trace with hash -2057663756, now seen corresponding path program 1 times [2024-11-16 17:54:56,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:54:56,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840613889] [2024-11-16 17:54:56,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:54:56,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:54:56,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:54:56,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:54:56,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:54:56,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:54:56,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:54:56,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:54:56,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:54:56,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:54:56,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:54:56,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:54:56,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:54:56,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:54:56,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:54:56,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:54:56,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:54:56,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 17:54:56,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:54:56,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 17:54:56,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:54:56,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 17:54:56,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:54:56,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 17:54:56,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:54:56,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 17:54:56,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:54:56,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 17:54:56,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:54:56,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 17:54:56,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:54:56,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 17:54:56,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:54:56,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 17:54:56,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:54:56,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 17:54:56,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:54:56,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 17:54:56,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:54:56,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 17:54:56,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:54:56,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 17:54:56,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:54:56,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 17:54:56,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:54:56,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 17:54:56,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:54:56,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 17:54:56,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:54:56,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 17:54:56,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:54:56,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 17:54:56,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:54:56,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 17:54:56,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:54:56,666 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 17:54:56,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:54:56,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840613889] [2024-11-16 17:54:56,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840613889] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:54:56,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:54:56,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 17:54:56,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956631599] [2024-11-16 17:54:56,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:54:56,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 17:54:56,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:54:56,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 17:54:56,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 17:54:56,752 INFO L87 Difference]: Start difference. First operand has 80 states, 51 states have (on average 1.3529411764705883) internal successors, (69), 52 states have internal predecessors, (69), 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 19.0) internal successors, (38), 2 states have internal predecessors, (38), 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 17:54:56,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:54:56,821 INFO L93 Difference]: Finished difference Result 152 states and 261 transitions. [2024-11-16 17:54:56,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 17:54:56,823 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (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 165 [2024-11-16 17:54:56,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:54:56,831 INFO L225 Difference]: With dead ends: 152 [2024-11-16 17:54:56,831 INFO L226 Difference]: Without dead ends: 75 [2024-11-16 17:54:56,837 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 17:54:56,842 INFO L432 NwaCegarLoop]: 111 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, 111 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 17:54:56,844 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 111 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 17:54:56,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-16 17:54:56,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2024-11-16 17:54:56,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 47 states have (on average 1.297872340425532) internal successors, (61), 47 states have internal predecessors, (61), 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 17:54:56,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 113 transitions. [2024-11-16 17:54:56,912 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 113 transitions. Word has length 165 [2024-11-16 17:54:56,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:54:56,913 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 113 transitions. [2024-11-16 17:54:56,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (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 17:54:56,915 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 113 transitions. [2024-11-16 17:54:56,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-16 17:54:56,921 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:54:56,922 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] [2024-11-16 17:54:56,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 17:54:56,922 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:54:56,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:54:56,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1505089108, now seen corresponding path program 1 times [2024-11-16 17:54:56,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:54:56,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198267731] [2024-11-16 17:54:56,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:54:56,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:54:57,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:11,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:55:11,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:11,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:55:11,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:11,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:55:11,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:11,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:55:11,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:11,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:55:11,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:11,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:55:11,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:11,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:55:11,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:11,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 17:55:11,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:11,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 17:55:11,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:11,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 17:55:11,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:11,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 17:55:11,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:11,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 17:55:11,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:11,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 17:55:11,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:11,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 17:55:11,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:11,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 17:55:11,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:11,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 17:55:11,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:11,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 17:55:11,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:11,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 17:55:11,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:11,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 17:55:11,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:11,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 17:55:11,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:11,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 17:55:11,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:11,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 17:55:11,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:11,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 17:55:11,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:11,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 17:55:11,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:11,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 17:55:11,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:11,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 17:55:11,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:11,921 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 17:55:11,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:55:11,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198267731] [2024-11-16 17:55:11,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198267731] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:55:11,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:55:11,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 17:55:11,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903819985] [2024-11-16 17:55:11,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:55:11,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 17:55:11,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:55:11,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 17:55:11,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-16 17:55:11,927 INFO L87 Difference]: Start difference. First operand 75 states and 113 transitions. Second operand has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 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 17:55:13,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:55:13,677 INFO L93 Difference]: Finished difference Result 241 states and 352 transitions. [2024-11-16 17:55:13,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 17:55:13,680 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 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 165 [2024-11-16 17:55:13,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:55:13,684 INFO L225 Difference]: With dead ends: 241 [2024-11-16 17:55:13,686 INFO L226 Difference]: Without dead ends: 169 [2024-11-16 17:55:13,687 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=83, Invalid=157, Unknown=0, NotChecked=0, Total=240 [2024-11-16 17:55:13,690 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 424 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 424 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-16 17:55:13,690 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [424 Valid, 477 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-16 17:55:13,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2024-11-16 17:55:13,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 88. [2024-11-16 17:55:13,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 60 states have (on average 1.35) internal successors, (81), 60 states have internal predecessors, (81), 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 17:55:13,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 133 transitions. [2024-11-16 17:55:13,713 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 133 transitions. Word has length 165 [2024-11-16 17:55:13,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:55:13,716 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 133 transitions. [2024-11-16 17:55:13,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.8) internal successors, (38), 10 states have internal predecessors, (38), 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 17:55:13,716 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 133 transitions. [2024-11-16 17:55:13,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-16 17:55:13,721 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:55:13,721 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] [2024-11-16 17:55:13,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 17:55:13,722 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:55:13,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:55:13,722 INFO L85 PathProgramCache]: Analyzing trace with hash -291862251, now seen corresponding path program 1 times [2024-11-16 17:55:13,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:55:13,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640295249] [2024-11-16 17:55:13,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:55:13,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:55:13,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:13,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:55:13,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:13,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:55:13,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:13,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:55:13,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:13,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:55:13,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:13,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:55:13,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:13,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:55:13,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:13,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:55:13,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:13,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 17:55:13,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:13,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 17:55:13,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:13,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 17:55:13,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:13,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 17:55:13,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:13,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 17:55:13,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:13,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 17:55:13,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:13,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 17:55:13,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:13,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 17:55:13,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:13,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 17:55:13,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:13,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 17:55:13,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:13,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 17:55:13,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:13,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 17:55:13,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:13,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 17:55:13,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:13,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 17:55:13,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:13,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 17:55:13,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:13,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 17:55:13,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:13,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 17:55:13,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:13,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 17:55:13,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:13,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 17:55:13,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:13,997 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 17:55:13,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:55:13,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640295249] [2024-11-16 17:55:13,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640295249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:55:13,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:55:13,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 17:55:13,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957011014] [2024-11-16 17:55:13,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:55:13,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 17:55:13,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:55:13,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 17:55:13,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 17:55:13,999 INFO L87 Difference]: Start difference. First operand 88 states and 133 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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 17:55:14,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:55:14,096 INFO L93 Difference]: Finished difference Result 207 states and 309 transitions. [2024-11-16 17:55:14,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 17:55:14,098 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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 165 [2024-11-16 17:55:14,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:55:14,100 INFO L225 Difference]: With dead ends: 207 [2024-11-16 17:55:14,100 INFO L226 Difference]: Without dead ends: 122 [2024-11-16 17:55:14,100 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 17:55:14,104 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 44 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 326 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 17:55:14,104 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 326 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 17:55:14,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2024-11-16 17:55:14,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 118. [2024-11-16 17:55:14,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 85 states have (on average 1.3294117647058823) internal successors, (113), 86 states have internal predecessors, (113), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-16 17:55:14,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 173 transitions. [2024-11-16 17:55:14,126 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 173 transitions. Word has length 165 [2024-11-16 17:55:14,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:55:14,127 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 173 transitions. [2024-11-16 17:55:14,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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 17:55:14,127 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 173 transitions. [2024-11-16 17:55:14,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-16 17:55:14,130 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:55:14,131 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] [2024-11-16 17:55:14,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 17:55:14,131 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:55:14,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:55:14,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1634171827, now seen corresponding path program 1 times [2024-11-16 17:55:14,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:55:14,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136090040] [2024-11-16 17:55:14,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:55:14,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:55:14,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:22,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:55:22,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:22,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:55:22,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:22,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:55:22,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:22,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:55:22,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:22,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:55:22,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:22,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:55:22,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:22,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:55:22,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:22,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 17:55:22,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:22,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 17:55:22,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:22,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 17:55:22,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:22,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 17:55:22,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:22,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 17:55:22,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:22,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 17:55:22,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:22,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 17:55:22,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:22,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 17:55:22,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:22,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 17:55:22,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:22,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 17:55:22,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:22,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 17:55:22,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:22,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 17:55:22,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:22,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 17:55:22,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:22,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 17:55:22,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:22,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 17:55:22,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:22,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 17:55:22,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:22,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 17:55:22,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:22,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 17:55:22,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:22,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 17:55:22,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:22,351 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 17:55:22,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:55:22,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136090040] [2024-11-16 17:55:22,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136090040] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:55:22,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:55:22,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-16 17:55:22,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027953559] [2024-11-16 17:55:22,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:55:22,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 17:55:22,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:55:22,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 17:55:22,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2024-11-16 17:55:22,355 INFO L87 Difference]: Start difference. First operand 118 states and 173 transitions. Second operand has 13 states, 13 states have (on average 2.923076923076923) internal successors, (38), 13 states have internal predecessors, (38), 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 17:55:25,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:55:25,024 INFO L93 Difference]: Finished difference Result 418 states and 604 transitions. [2024-11-16 17:55:25,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-16 17:55:25,025 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.923076923076923) internal successors, (38), 13 states have internal predecessors, (38), 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 165 [2024-11-16 17:55:25,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:55:25,029 INFO L225 Difference]: With dead ends: 418 [2024-11-16 17:55:25,029 INFO L226 Difference]: Without dead ends: 303 [2024-11-16 17:55:25,030 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=144, Invalid=408, Unknown=0, NotChecked=0, Total=552 [2024-11-16 17:55:25,031 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 458 mSDsluCounter, 536 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 458 SdHoareTripleChecker+Valid, 631 SdHoareTripleChecker+Invalid, 570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-16 17:55:25,031 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [458 Valid, 631 Invalid, 570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-16 17:55:25,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2024-11-16 17:55:25,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 169. [2024-11-16 17:55:25,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 109 states have (on average 1.2935779816513762) internal successors, (141), 110 states have internal predecessors, (141), 56 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-16 17:55:25,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 253 transitions. [2024-11-16 17:55:25,060 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 253 transitions. Word has length 165 [2024-11-16 17:55:25,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:55:25,060 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 253 transitions. [2024-11-16 17:55:25,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.923076923076923) internal successors, (38), 13 states have internal predecessors, (38), 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 17:55:25,061 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 253 transitions. [2024-11-16 17:55:25,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-16 17:55:25,063 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:55:25,063 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] [2024-11-16 17:55:25,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 17:55:25,063 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:55:25,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:55:25,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1211686101, now seen corresponding path program 1 times [2024-11-16 17:55:25,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:55:25,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207280496] [2024-11-16 17:55:25,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:55:25,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:55:25,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:25,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:55:25,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:25,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:55:25,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:25,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:55:25,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:25,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:55:25,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:25,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:55:25,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:25,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:55:25,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:25,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:55:25,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:25,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 17:55:25,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:25,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 17:55:25,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:25,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 17:55:25,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:25,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 17:55:25,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:25,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 17:55:25,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:25,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 17:55:25,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:25,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 17:55:25,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:25,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 17:55:25,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:25,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 17:55:25,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:25,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 17:55:25,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:25,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 17:55:25,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:25,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 17:55:25,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:25,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 17:55:25,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:25,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 17:55:25,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:25,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 17:55:25,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:25,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 17:55:25,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:25,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 17:55:25,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:25,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 17:55:25,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:25,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 17:55:25,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:25,646 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 17:55:25,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:55:25,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207280496] [2024-11-16 17:55:25,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207280496] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:55:25,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:55:25,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 17:55:25,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317736275] [2024-11-16 17:55:25,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:55:25,648 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 17:55:25,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:55:25,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 17:55:25,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-16 17:55:25,650 INFO L87 Difference]: Start difference. First operand 169 states and 253 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 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 17:55:26,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:55:26,084 INFO L93 Difference]: Finished difference Result 342 states and 505 transitions. [2024-11-16 17:55:26,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 17:55:26,085 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 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 165 [2024-11-16 17:55:26,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:55:26,087 INFO L225 Difference]: With dead ends: 342 [2024-11-16 17:55:26,087 INFO L226 Difference]: Without dead ends: 227 [2024-11-16 17:55:26,088 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2024-11-16 17:55:26,089 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 106 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 235 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 17:55:26,089 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 443 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 235 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 17:55:26,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2024-11-16 17:55:26,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 175. [2024-11-16 17:55:26,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 115 states have (on average 1.2869565217391303) internal successors, (148), 116 states have internal predecessors, (148), 56 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-16 17:55:26,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 260 transitions. [2024-11-16 17:55:26,116 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 260 transitions. Word has length 165 [2024-11-16 17:55:26,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:55:26,117 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 260 transitions. [2024-11-16 17:55:26,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 7 states have internal predecessors, (38), 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 17:55:26,118 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 260 transitions. [2024-11-16 17:55:26,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-16 17:55:26,119 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:55:26,119 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] [2024-11-16 17:55:26,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 17:55:26,120 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:55:26,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:55:26,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1153243660, now seen corresponding path program 1 times [2024-11-16 17:55:26,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:55:26,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782064528] [2024-11-16 17:55:26,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:55:26,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:55:26,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:34,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:55:34,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:34,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:55:34,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:34,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:55:34,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:34,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:55:34,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:34,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:55:34,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:34,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:55:34,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:34,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:55:34,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:34,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 17:55:34,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:34,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 17:55:34,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:34,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 17:55:34,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:34,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 17:55:34,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:34,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 17:55:34,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:34,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 17:55:34,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:34,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 17:55:34,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:34,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 17:55:34,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:34,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 17:55:34,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:34,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 17:55:34,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:34,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 17:55:34,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:34,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 17:55:34,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:34,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 17:55:34,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:34,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 17:55:34,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:34,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 17:55:34,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:34,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 17:55:34,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:34,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 17:55:34,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:34,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 17:55:34,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:34,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 17:55:34,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:34,900 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 17:55:34,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:55:34,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782064528] [2024-11-16 17:55:34,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782064528] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:55:34,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:55:34,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-16 17:55:34,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971572279] [2024-11-16 17:55:34,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:55:34,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-16 17:55:34,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:55:34,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-16 17:55:34,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-16 17:55:34,904 INFO L87 Difference]: Start difference. First operand 175 states and 260 transitions. Second operand has 12 states, 12 states have (on average 3.1666666666666665) internal successors, (38), 12 states have internal predecessors, (38), 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 17:55:36,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:55:36,578 INFO L93 Difference]: Finished difference Result 363 states and 529 transitions. [2024-11-16 17:55:36,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 17:55:36,579 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.1666666666666665) internal successors, (38), 12 states have internal predecessors, (38), 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 165 [2024-11-16 17:55:36,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:55:36,581 INFO L225 Difference]: With dead ends: 363 [2024-11-16 17:55:36,581 INFO L226 Difference]: Without dead ends: 248 [2024-11-16 17:55:36,581 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2024-11-16 17:55:36,583 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 192 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-16 17:55:36,584 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 473 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-16 17:55:36,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-11-16 17:55:36,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 173. [2024-11-16 17:55:36,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 113 states have (on average 1.2920353982300885) internal successors, (146), 114 states have internal predecessors, (146), 56 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-16 17:55:36,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 258 transitions. [2024-11-16 17:55:36,616 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 258 transitions. Word has length 165 [2024-11-16 17:55:36,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:55:36,620 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 258 transitions. [2024-11-16 17:55:36,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.1666666666666665) internal successors, (38), 12 states have internal predecessors, (38), 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 17:55:36,620 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 258 transitions. [2024-11-16 17:55:36,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-16 17:55:36,622 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:55:36,623 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] [2024-11-16 17:55:36,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 17:55:36,623 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:55:36,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:55:36,624 INFO L85 PathProgramCache]: Analyzing trace with hash -910832791, now seen corresponding path program 1 times [2024-11-16 17:55:36,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:55:36,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819668727] [2024-11-16 17:55:36,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:55:36,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:55:36,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:43,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:55:43,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:43,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:55:43,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:43,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:55:43,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:43,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:55:43,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:43,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:55:43,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:43,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:55:43,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:43,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:55:43,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:43,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 17:55:43,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:43,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 17:55:43,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:43,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 17:55:43,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:43,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 17:55:43,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:43,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 17:55:43,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:43,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 17:55:43,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:43,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 17:55:43,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:43,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 17:55:43,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:43,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 17:55:43,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:43,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 17:55:43,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:43,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 17:55:43,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:43,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 17:55:43,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:43,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 17:55:43,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:43,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 17:55:43,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:43,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 17:55:43,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:43,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 17:55:43,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:43,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 17:55:43,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:43,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 17:55:43,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:43,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 17:55:43,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:43,586 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 17:55:43,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:55:43,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819668727] [2024-11-16 17:55:43,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819668727] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:55:43,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:55:43,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-16 17:55:43,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871060919] [2024-11-16 17:55:43,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:55:43,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-16 17:55:43,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:55:43,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-16 17:55:43,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-16 17:55:43,590 INFO L87 Difference]: Start difference. First operand 173 states and 258 transitions. Second operand has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 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 17:55:45,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:55:45,166 INFO L93 Difference]: Finished difference Result 501 states and 718 transitions. [2024-11-16 17:55:45,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-16 17:55:45,167 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 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 166 [2024-11-16 17:55:45,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:55:45,169 INFO L225 Difference]: With dead ends: 501 [2024-11-16 17:55:45,170 INFO L226 Difference]: Without dead ends: 386 [2024-11-16 17:55:45,170 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=130, Invalid=376, Unknown=0, NotChecked=0, Total=506 [2024-11-16 17:55:45,171 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 512 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 512 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-16 17:55:45,171 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [512 Valid, 559 Invalid, 564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 484 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-16 17:55:45,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2024-11-16 17:55:45,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 178. [2024-11-16 17:55:45,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 118 states have (on average 1.305084745762712) internal successors, (154), 119 states have internal predecessors, (154), 56 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-16 17:55:45,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 266 transitions. [2024-11-16 17:55:45,193 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 266 transitions. Word has length 166 [2024-11-16 17:55:45,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:55:45,193 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 266 transitions. [2024-11-16 17:55:45,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.25) internal successors, (39), 12 states have internal predecessors, (39), 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 17:55:45,194 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 266 transitions. [2024-11-16 17:55:45,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-16 17:55:45,197 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:55:45,197 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] [2024-11-16 17:55:45,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 17:55:45,197 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:55:45,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:55:45,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1587183146, now seen corresponding path program 1 times [2024-11-16 17:55:45,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:55:45,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788028823] [2024-11-16 17:55:45,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:55:45,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:55:45,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:51,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:55:51,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:51,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:55:51,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:51,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:55:51,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:51,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:55:51,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:51,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:55:51,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:51,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:55:51,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:51,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:55:51,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:51,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 17:55:51,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:51,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 17:55:51,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:51,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 17:55:51,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:51,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 17:55:51,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:51,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 17:55:51,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:51,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 17:55:51,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:51,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 17:55:51,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:51,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 17:55:51,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:51,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 17:55:51,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:51,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 17:55:51,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:51,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 17:55:51,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:51,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 17:55:51,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:51,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 17:55:51,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:51,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 17:55:51,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:51,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 17:55:51,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:51,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 17:55:51,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:51,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 17:55:51,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:51,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 17:55:51,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:51,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 17:55:51,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:51,326 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 17:55:51,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:55:51,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788028823] [2024-11-16 17:55:51,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788028823] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:55:51,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:55:51,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 17:55:51,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617758412] [2024-11-16 17:55:51,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:55:51,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 17:55:51,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:55:51,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 17:55:51,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-16 17:55:51,329 INFO L87 Difference]: Start difference. First operand 178 states and 266 transitions. Second operand has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 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 17:55:51,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:55:51,933 INFO L93 Difference]: Finished difference Result 438 states and 635 transitions. [2024-11-16 17:55:51,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 17:55:51,934 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 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 166 [2024-11-16 17:55:51,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:55:51,936 INFO L225 Difference]: With dead ends: 438 [2024-11-16 17:55:51,936 INFO L226 Difference]: Without dead ends: 323 [2024-11-16 17:55:51,937 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-16 17:55:51,938 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 148 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 593 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 17:55:51,938 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 593 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 17:55:51,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2024-11-16 17:55:51,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 193. [2024-11-16 17:55:51,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 133 states have (on average 1.3233082706766917) internal successors, (176), 134 states have internal predecessors, (176), 56 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-16 17:55:51,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 288 transitions. [2024-11-16 17:55:51,958 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 288 transitions. Word has length 166 [2024-11-16 17:55:51,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:55:51,958 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 288 transitions. [2024-11-16 17:55:51,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.333333333333333) internal successors, (39), 9 states have internal predecessors, (39), 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 17:55:51,959 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 288 transitions. [2024-11-16 17:55:51,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-16 17:55:51,960 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:55:51,960 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] [2024-11-16 17:55:51,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 17:55:51,961 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:55:51,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:55:51,961 INFO L85 PathProgramCache]: Analyzing trace with hash -781750072, now seen corresponding path program 1 times [2024-11-16 17:55:51,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:55:51,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571648303] [2024-11-16 17:55:51,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:55:51,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:55:52,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:57,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:55:57,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:57,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:55:57,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:57,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:55:57,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:57,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:55:57,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:57,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:55:57,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:57,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:55:57,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:57,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:55:57,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:57,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 17:55:57,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:57,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 17:55:57,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:57,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 17:55:57,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:57,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 17:55:57,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:57,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 17:55:57,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:57,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 17:55:57,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:57,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 17:55:57,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:57,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 17:55:57,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:57,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 17:55:57,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:57,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 17:55:57,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:57,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 17:55:57,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:57,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 17:55:57,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:57,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 17:55:58,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:58,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 17:55:58,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:58,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 17:55:58,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:58,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 17:55:58,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:58,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 17:55:58,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:58,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 17:55:58,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:58,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 17:55:58,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:55:58,030 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 17:55:58,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:55:58,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571648303] [2024-11-16 17:55:58,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571648303] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:55:58,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:55:58,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-16 17:55:58,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778836990] [2024-11-16 17:55:58,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:55:58,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 17:55:58,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:55:58,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 17:55:58,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-16 17:55:58,034 INFO L87 Difference]: Start difference. First operand 193 states and 288 transitions. Second operand has 13 states, 13 states have (on average 3.0) internal successors, (39), 13 states have internal predecessors, (39), 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 17:55:59,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:55:59,588 INFO L93 Difference]: Finished difference Result 496 states and 717 transitions. [2024-11-16 17:55:59,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-16 17:55:59,588 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.0) internal successors, (39), 13 states have internal predecessors, (39), 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 166 [2024-11-16 17:55:59,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:55:59,590 INFO L225 Difference]: With dead ends: 496 [2024-11-16 17:55:59,590 INFO L226 Difference]: Without dead ends: 368 [2024-11-16 17:55:59,591 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=129, Invalid=333, Unknown=0, NotChecked=0, Total=462 [2024-11-16 17:55:59,591 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 647 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 374 mSolverCounterSat, 134 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 647 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 134 IncrementalHoareTripleChecker+Valid, 374 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-16 17:55:59,592 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [647 Valid, 487 Invalid, 508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [134 Valid, 374 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-16 17:55:59,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-11-16 17:55:59,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 194. [2024-11-16 17:55:59,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 134 states have (on average 1.328358208955224) internal successors, (178), 135 states have internal predecessors, (178), 56 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-16 17:55:59,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 290 transitions. [2024-11-16 17:55:59,616 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 290 transitions. Word has length 166 [2024-11-16 17:55:59,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:55:59,616 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 290 transitions. [2024-11-16 17:55:59,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.0) internal successors, (39), 13 states have internal predecessors, (39), 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 17:55:59,616 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 290 transitions. [2024-11-16 17:55:59,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-16 17:55:59,620 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:55:59,621 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] [2024-11-16 17:55:59,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 17:55:59,621 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:55:59,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:55:59,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1716265865, now seen corresponding path program 1 times [2024-11-16 17:55:59,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:55:59,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213341202] [2024-11-16 17:55:59,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:55:59,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:55:59,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:56:04,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 17:56:04,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:56:04,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 17:56:04,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:56:04,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 17:56:04,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:56:04,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 17:56:04,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:56:04,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 17:56:04,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:56:04,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 17:56:04,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:56:04,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 17:56:04,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:56:04,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 17:56:04,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:56:04,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 17:56:04,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:56:04,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 17:56:04,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:56:04,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 17:56:04,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:56:04,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 17:56:04,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:56:04,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 17:56:04,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:56:04,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 17:56:04,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:56:04,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 17:56:04,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:56:04,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 17:56:04,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:56:04,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 17:56:04,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:56:04,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 17:56:04,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:56:04,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 17:56:04,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:56:04,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 17:56:04,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:56:04,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 17:56:04,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:56:04,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 17:56:04,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:56:04,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-16 17:56:04,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:56:04,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 17:56:04,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:56:04,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 17:56:04,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:56:04,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 17:56:04,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 17:56:04,830 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 17:56:04,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 17:56:04,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213341202] [2024-11-16 17:56:04,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213341202] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 17:56:04,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 17:56:04,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-16 17:56:04,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980327573] [2024-11-16 17:56:04,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 17:56:04,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 17:56:04,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 17:56:04,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 17:56:04,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-16 17:56:04,836 INFO L87 Difference]: Start difference. First operand 194 states and 290 transitions. Second operand has 13 states, 13 states have (on average 3.0) internal successors, (39), 13 states have internal predecessors, (39), 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 17:56:06,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 17:56:06,880 INFO L93 Difference]: Finished difference Result 434 states and 633 transitions. [2024-11-16 17:56:06,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-16 17:56:06,881 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.0) internal successors, (39), 13 states have internal predecessors, (39), 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 166 [2024-11-16 17:56:06,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 17:56:06,883 INFO L225 Difference]: With dead ends: 434 [2024-11-16 17:56:06,883 INFO L226 Difference]: Without dead ends: 306 [2024-11-16 17:56:06,884 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=125, Invalid=381, Unknown=0, NotChecked=0, Total=506 [2024-11-16 17:56:06,885 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 217 mSDsluCounter, 579 mSDsCounter, 0 mSdLazyCounter, 710 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 690 SdHoareTripleChecker+Invalid, 819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-16 17:56:06,885 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 690 Invalid, 819 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 710 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-16 17:56:06,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2024-11-16 17:56:06,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 194. [2024-11-16 17:56:06,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 134 states have (on average 1.328358208955224) internal successors, (178), 135 states have internal predecessors, (178), 56 states have call successors, (56), 3 states have call predecessors, (56), 3 states have return successors, (56), 55 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-16 17:56:06,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 290 transitions. [2024-11-16 17:56:06,904 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 290 transitions. Word has length 166 [2024-11-16 17:56:06,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 17:56:06,904 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 290 transitions. [2024-11-16 17:56:06,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.0) internal successors, (39), 13 states have internal predecessors, (39), 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 17:56:06,904 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 290 transitions. [2024-11-16 17:56:06,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-16 17:56:06,905 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 17:56:06,906 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] [2024-11-16 17:56:06,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 17:56:06,906 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 17:56:06,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 17:56:06,906 INFO L85 PathProgramCache]: Analyzing trace with hash 596719018, now seen corresponding path program 1 times [2024-11-16 17:56:06,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 17:56:06,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280157825] [2024-11-16 17:56:06,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 17:56:06,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 17:56:06,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat