./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-26.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-26.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 3a05c4cd155494b334138871edc7853c0d0fcd1ccd2ec892619f7fa2811e9969 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 15:57:56,800 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 15:57:56,878 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-16 15:57:56,887 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 15:57:56,888 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 15:57:56,928 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 15:57:56,930 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 15:57:56,930 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 15:57:56,931 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 15:57:56,932 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 15:57:56,933 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 15:57:56,934 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 15:57:56,934 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 15:57:56,936 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 15:57:56,936 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 15:57:56,937 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 15:57:56,937 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 15:57:56,937 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 15:57:56,937 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 15:57:56,938 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 15:57:56,938 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 15:57:56,942 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 15:57:56,943 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 15:57:56,943 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 15:57:56,943 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 15:57:56,943 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 15:57:56,944 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 15:57:56,944 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 15:57:56,944 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 15:57:56,945 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 15:57:56,945 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 15:57:56,945 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 15:57:56,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 15:57:56,946 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 15:57:56,947 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 15:57:56,947 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 15:57:56,947 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 15:57:56,947 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 15:57:56,947 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 15:57:56,948 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 15:57:56,948 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 15:57:56,948 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 15:57:56,949 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a05c4cd155494b334138871edc7853c0d0fcd1ccd2ec892619f7fa2811e9969 [2024-11-16 15:57:57,194 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 15:57:57,218 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 15:57:57,222 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 15:57:57,223 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 15:57:57,225 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 15:57:57,227 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-26.i [2024-11-16 15:57:58,663 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 15:57:58,876 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 15:57:58,877 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-26.i [2024-11-16 15:57:58,892 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ef0b57e2/a1dc45a621cb44978559c3e54070610c/FLAG4cb547a93 [2024-11-16 15:57:58,914 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ef0b57e2/a1dc45a621cb44978559c3e54070610c [2024-11-16 15:57:58,917 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 15:57:58,920 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 15:57:58,921 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 15:57:58,924 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 15:57:58,929 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 15:57:58,930 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:57:58" (1/1) ... [2024-11-16 15:57:58,931 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54819bb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:57:58, skipping insertion in model container [2024-11-16 15:57:58,931 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:57:58" (1/1) ... [2024-11-16 15:57:58,970 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 15:57:59,144 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-26.i[916,929] [2024-11-16 15:57:59,239 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 15:57:59,253 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 15:57:59,264 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-26.i[916,929] [2024-11-16 15:57:59,312 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 15:57:59,336 INFO L204 MainTranslator]: Completed translation [2024-11-16 15:57:59,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:57:59 WrapperNode [2024-11-16 15:57:59,337 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 15:57:59,338 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 15:57:59,338 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 15:57:59,338 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 15:57:59,345 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:57:59" (1/1) ... [2024-11-16 15:57:59,363 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:57:59" (1/1) ... [2024-11-16 15:57:59,406 INFO L138 Inliner]: procedures = 26, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 240 [2024-11-16 15:57:59,406 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 15:57:59,408 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 15:57:59,408 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 15:57:59,408 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 15:57:59,420 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:57:59" (1/1) ... [2024-11-16 15:57:59,420 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:57:59" (1/1) ... [2024-11-16 15:57:59,426 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:57:59" (1/1) ... [2024-11-16 15:57:59,457 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 15:57:59,458 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:57:59" (1/1) ... [2024-11-16 15:57:59,458 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:57:59" (1/1) ... [2024-11-16 15:57:59,480 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:57:59" (1/1) ... [2024-11-16 15:57:59,483 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:57:59" (1/1) ... [2024-11-16 15:57:59,487 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:57:59" (1/1) ... [2024-11-16 15:57:59,489 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:57:59" (1/1) ... [2024-11-16 15:57:59,497 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 15:57:59,498 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 15:57:59,498 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 15:57:59,498 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 15:57:59,499 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:57:59" (1/1) ... [2024-11-16 15:57:59,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 15:57:59,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 15:57:59,535 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 15:57:59,538 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 15:57:59,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 15:57:59,587 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 15:57:59,588 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 15:57:59,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 15:57:59,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 15:57:59,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 15:57:59,704 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 15:57:59,707 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 15:58:00,224 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L205: havoc property_#t~ite22#1;havoc property_#t~bitwise21#1;havoc property_#t~short23#1; [2024-11-16 15:58:00,277 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-16 15:58:00,277 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 15:58:00,304 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 15:58:00,304 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 15:58:00,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 03:58:00 BoogieIcfgContainer [2024-11-16 15:58:00,305 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 15:58:00,307 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 15:58:00,307 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 15:58:00,311 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 15:58:00,311 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 03:57:58" (1/3) ... [2024-11-16 15:58:00,312 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@127d5376 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:58:00, skipping insertion in model container [2024-11-16 15:58:00,313 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:57:59" (2/3) ... [2024-11-16 15:58:00,314 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@127d5376 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:58:00, skipping insertion in model container [2024-11-16 15:58:00,314 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 03:58:00" (3/3) ... [2024-11-16 15:58:00,315 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-26.i [2024-11-16 15:58:00,333 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 15:58:00,334 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 15:58:00,404 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 15:58:00,412 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;@5c7078e2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 15:58:00,413 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 15:58:00,418 INFO L276 IsEmpty]: Start isEmpty. Operand has 105 states, 72 states have (on average 1.4166666666666667) internal successors, (102), 73 states have internal predecessors, (102), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-16 15:58:00,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-16 15:58:00,440 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:58:00,441 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:58:00,442 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:58:00,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:58:00,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1412570718, now seen corresponding path program 1 times [2024-11-16 15:58:00,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:58:00,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331666683] [2024-11-16 15:58:00,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:58:00,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:58:00,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:00,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:58:00,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:00,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:58:00,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:00,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:58:00,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:00,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:58:00,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:00,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:58:00,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:00,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:58:00,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:00,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:58:00,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:00,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:58:00,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:00,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:58:00,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:00,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:58:00,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:00,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:58:00,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:00,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:58:00,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:00,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:58:00,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:00,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:58:00,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:00,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:58:00,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:00,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:58:00,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:00,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:58:00,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:00,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:58:00,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:00,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 15:58:00,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:00,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:58:00,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:00,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 15:58:00,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:00,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 15:58:00,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:00,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 15:58:00,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:00,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 15:58:00,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:00,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 15:58:00,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:00,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 15:58:00,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:00,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 15:58:00,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:01,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 15:58:01,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:01,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 15:58:01,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:01,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-16 15:58:01,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:01,018 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-11-16 15:58:01,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:58:01,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331666683] [2024-11-16 15:58:01,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331666683] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:58:01,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:58:01,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 15:58:01,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021730661] [2024-11-16 15:58:01,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:58:01,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 15:58:01,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:58:01,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 15:58:01,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 15:58:01,060 INFO L87 Difference]: Start difference. First operand has 105 states, 72 states have (on average 1.4166666666666667) internal successors, (102), 73 states have internal predecessors, (102), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-16 15:58:01,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:58:01,108 INFO L93 Difference]: Finished difference Result 206 states and 350 transitions. [2024-11-16 15:58:01,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 15:58:01,113 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 2 states have call successors, (30) Word has length 199 [2024-11-16 15:58:01,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:58:01,126 INFO L225 Difference]: With dead ends: 206 [2024-11-16 15:58:01,127 INFO L226 Difference]: Without dead ends: 100 [2024-11-16 15:58:01,131 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 92 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 15:58:01,135 INFO L432 NwaCegarLoop]: 156 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, 156 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 15:58:01,136 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 156 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 15:58:01,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-16 15:58:01,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2024-11-16 15:58:01,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 68 states have (on average 1.3823529411764706) internal successors, (94), 68 states have internal predecessors, (94), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-16 15:58:01,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 154 transitions. [2024-11-16 15:58:01,186 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 154 transitions. Word has length 199 [2024-11-16 15:58:01,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:58:01,187 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 154 transitions. [2024-11-16 15:58:01,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-16 15:58:01,188 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 154 transitions. [2024-11-16 15:58:01,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-16 15:58:01,192 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:58:01,192 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:58:01,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 15:58:01,193 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:58:01,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:58:01,194 INFO L85 PathProgramCache]: Analyzing trace with hash -1964644764, now seen corresponding path program 1 times [2024-11-16 15:58:01,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:58:01,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714712248] [2024-11-16 15:58:01,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:58:01,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:58:01,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:01,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:58:01,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:01,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:58:01,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:01,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:58:01,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:01,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:58:01,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:01,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:58:01,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:01,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:58:01,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:01,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:58:01,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:01,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:58:01,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:01,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:58:01,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:01,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:58:01,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:01,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:58:01,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:01,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:58:01,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:01,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:58:01,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:01,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:58:01,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:01,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:58:01,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:01,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:58:01,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:01,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:58:01,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:01,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:58:01,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:01,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 15:58:01,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:01,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:58:01,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:01,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 15:58:01,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:01,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 15:58:01,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:01,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 15:58:01,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:01,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 15:58:01,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:01,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 15:58:01,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:01,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 15:58:01,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:01,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 15:58:01,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:01,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 15:58:01,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:01,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 15:58:01,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:01,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-16 15:58:01,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:01,927 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-11-16 15:58:01,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:58:01,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714712248] [2024-11-16 15:58:01,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714712248] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:58:01,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:58:01,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 15:58:01,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032471386] [2024-11-16 15:58:01,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:58:01,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 15:58:01,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:58:01,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 15:58:01,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 15:58:01,933 INFO L87 Difference]: Start difference. First operand 100 states and 154 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-16 15:58:02,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:58:02,009 INFO L93 Difference]: Finished difference Result 294 states and 456 transitions. [2024-11-16 15:58:02,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 15:58:02,010 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 199 [2024-11-16 15:58:02,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:58:02,016 INFO L225 Difference]: With dead ends: 294 [2024-11-16 15:58:02,017 INFO L226 Difference]: Without dead ends: 197 [2024-11-16 15:58:02,018 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 15:58:02,021 INFO L432 NwaCegarLoop]: 254 mSDtfsCounter, 148 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-16 15:58:02,022 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 400 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-16 15:58:02,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2024-11-16 15:58:02,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 101. [2024-11-16 15:58:02,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 69 states have (on average 1.3768115942028984) internal successors, (95), 69 states have internal predecessors, (95), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-16 15:58:02,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 155 transitions. [2024-11-16 15:58:02,046 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 155 transitions. Word has length 199 [2024-11-16 15:58:02,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:58:02,048 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 155 transitions. [2024-11-16 15:58:02,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-16 15:58:02,049 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 155 transitions. [2024-11-16 15:58:02,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2024-11-16 15:58:02,052 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:58:02,053 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:58:02,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 15:58:02,053 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:58:02,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:58:02,054 INFO L85 PathProgramCache]: Analyzing trace with hash -611335067, now seen corresponding path program 1 times [2024-11-16 15:58:02,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:58:02,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146418925] [2024-11-16 15:58:02,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:58:02,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:58:02,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:02,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:58:02,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:02,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:58:02,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:02,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:58:02,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:02,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:58:02,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:02,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:58:02,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:02,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:58:02,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:02,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:58:02,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:02,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:58:02,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:02,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:58:02,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:02,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:58:02,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:02,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:58:02,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:02,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:58:02,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:02,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:58:02,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:02,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:58:02,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:02,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:58:02,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:02,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:58:02,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:02,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:58:02,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:02,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:58:02,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:02,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 15:58:02,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:02,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:58:02,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:02,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 15:58:02,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:02,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 15:58:02,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:02,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 15:58:02,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:02,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 15:58:02,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:02,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 15:58:02,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:02,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 15:58:02,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:02,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 15:58:02,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:02,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 15:58:02,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:02,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 15:58:02,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:02,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-16 15:58:02,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:02,842 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-11-16 15:58:02,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:58:02,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146418925] [2024-11-16 15:58:02,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146418925] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:58:02,843 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:58:02,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 15:58:02,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160773] [2024-11-16 15:58:02,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:58:02,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 15:58:02,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:58:02,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 15:58:02,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-16 15:58:02,847 INFO L87 Difference]: Start difference. First operand 101 states and 155 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-16 15:58:03,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:58:03,064 INFO L93 Difference]: Finished difference Result 309 states and 467 transitions. [2024-11-16 15:58:03,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 15:58:03,065 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 199 [2024-11-16 15:58:03,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:58:03,067 INFO L225 Difference]: With dead ends: 309 [2024-11-16 15:58:03,067 INFO L226 Difference]: Without dead ends: 211 [2024-11-16 15:58:03,068 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-16 15:58:03,072 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 134 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 612 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 15:58:03,073 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 612 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 15:58:03,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2024-11-16 15:58:03,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 176. [2024-11-16 15:58:03,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 137 states have (on average 1.4452554744525548) internal successors, (198), 138 states have internal predecessors, (198), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-16 15:58:03,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 270 transitions. [2024-11-16 15:58:03,105 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 270 transitions. Word has length 199 [2024-11-16 15:58:03,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:58:03,108 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 270 transitions. [2024-11-16 15:58:03,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-16 15:58:03,108 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 270 transitions. [2024-11-16 15:58:03,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-16 15:58:03,114 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:58:03,114 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:58:03,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 15:58:03,115 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:58:03,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:58:03,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1631463642, now seen corresponding path program 1 times [2024-11-16 15:58:03,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:58:03,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618568022] [2024-11-16 15:58:03,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:58:03,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:58:03,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:03,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:58:03,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:03,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:58:03,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:03,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:58:03,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:03,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:58:03,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:03,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:58:03,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:03,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:58:03,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:03,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:58:03,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:03,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:58:03,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:03,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:58:03,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:03,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:58:03,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:03,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:58:03,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:03,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:58:03,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:03,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:58:03,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:03,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:58:03,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:03,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:58:03,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:03,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:58:03,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:03,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:58:03,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:03,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:58:03,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:03,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 15:58:03,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:03,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:58:03,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:03,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 15:58:03,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:03,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 15:58:03,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:03,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 15:58:03,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:03,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 15:58:03,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:03,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 15:58:03,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:03,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 15:58:03,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:03,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 15:58:03,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:03,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 15:58:03,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:03,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 15:58:03,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:03,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-16 15:58:03,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:03,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-11-16 15:58:03,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:58:03,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618568022] [2024-11-16 15:58:03,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618568022] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:58:03,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:58:03,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 15:58:03,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547949130] [2024-11-16 15:58:03,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:58:03,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 15:58:03,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:58:03,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 15:58:03,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 15:58:03,538 INFO L87 Difference]: Start difference. First operand 176 states and 270 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-16 15:58:03,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:58:03,828 INFO L93 Difference]: Finished difference Result 573 states and 876 transitions. [2024-11-16 15:58:03,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 15:58:03,828 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 200 [2024-11-16 15:58:03,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:58:03,835 INFO L225 Difference]: With dead ends: 573 [2024-11-16 15:58:03,835 INFO L226 Difference]: Without dead ends: 400 [2024-11-16 15:58:03,838 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-16 15:58:03,839 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 161 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 584 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 15:58:03,840 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 584 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 15:58:03,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2024-11-16 15:58:03,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 326. [2024-11-16 15:58:03,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 249 states have (on average 1.4377510040160641) internal successors, (358), 251 states have internal predecessors, (358), 72 states have call successors, (72), 4 states have call predecessors, (72), 4 states have return successors, (72), 70 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-16 15:58:03,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 502 transitions. [2024-11-16 15:58:03,890 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 502 transitions. Word has length 200 [2024-11-16 15:58:03,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:58:03,890 INFO L471 AbstractCegarLoop]: Abstraction has 326 states and 502 transitions. [2024-11-16 15:58:03,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-16 15:58:03,891 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 502 transitions. [2024-11-16 15:58:03,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-16 15:58:03,893 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:58:03,895 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:58:03,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 15:58:03,895 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:58:03,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:58:03,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1662483449, now seen corresponding path program 1 times [2024-11-16 15:58:03,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:58:03,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024241824] [2024-11-16 15:58:03,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:58:03,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:58:03,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:04,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:58:04,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:04,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:58:04,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:04,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:58:04,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:04,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:58:04,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:04,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:58:04,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:04,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:58:04,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:04,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:58:04,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:04,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:58:04,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:04,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:58:04,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:04,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:58:04,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:04,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:58:04,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:04,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:58:04,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:04,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:58:04,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:04,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:58:04,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:04,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:58:04,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:04,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:58:04,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:04,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:58:04,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:04,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:58:04,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:04,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 15:58:04,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:04,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:58:04,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:04,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 15:58:04,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:04,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 15:58:04,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:04,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 15:58:04,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:04,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 15:58:04,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:04,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 15:58:04,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:04,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 15:58:04,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:04,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 15:58:04,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:04,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 15:58:04,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:04,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 15:58:04,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:04,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-16 15:58:04,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:04,433 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-11-16 15:58:04,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:58:04,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024241824] [2024-11-16 15:58:04,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024241824] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:58:04,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:58:04,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 15:58:04,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354225961] [2024-11-16 15:58:04,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:58:04,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 15:58:04,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:58:04,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 15:58:04,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-16 15:58:04,437 INFO L87 Difference]: Start difference. First operand 326 states and 502 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-16 15:58:04,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:58:04,728 INFO L93 Difference]: Finished difference Result 822 states and 1268 transitions. [2024-11-16 15:58:04,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 15:58:04,729 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 200 [2024-11-16 15:58:04,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:58:04,733 INFO L225 Difference]: With dead ends: 822 [2024-11-16 15:58:04,735 INFO L226 Difference]: Without dead ends: 499 [2024-11-16 15:58:04,736 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-16 15:58:04,739 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 182 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 15:58:04,739 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 464 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 15:58:04,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2024-11-16 15:58:04,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 496. [2024-11-16 15:58:04,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 496 states, 381 states have (on average 1.4330708661417322) internal successors, (546), 384 states have internal predecessors, (546), 108 states have call successors, (108), 6 states have call predecessors, (108), 6 states have return successors, (108), 105 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-16 15:58:04,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 496 states and 762 transitions. [2024-11-16 15:58:04,797 INFO L78 Accepts]: Start accepts. Automaton has 496 states and 762 transitions. Word has length 200 [2024-11-16 15:58:04,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:58:04,799 INFO L471 AbstractCegarLoop]: Abstraction has 496 states and 762 transitions. [2024-11-16 15:58:04,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 2 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-16 15:58:04,800 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 762 transitions. [2024-11-16 15:58:04,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-16 15:58:04,802 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:58:04,802 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:58:04,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 15:58:04,802 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:58:04,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:58:04,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1873834362, now seen corresponding path program 1 times [2024-11-16 15:58:04,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:58:04,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730379138] [2024-11-16 15:58:04,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:58:04,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:58:04,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:58:05,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:58:05,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:58:05,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:58:05,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:58:05,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:58:05,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:58:05,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:58:05,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:58:05,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:58:05,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:58:05,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:58:05,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:58:05,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:58:05,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:58:05,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:58:05,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:58:05,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:58:05,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 15:58:05,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:58:05,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 15:58:05,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 15:58:05,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 15:58:05,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 15:58:05,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 15:58:05,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 15:58:05,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 15:58:05,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 15:58:05,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 15:58:05,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-16 15:58:05,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:05,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-11-16 15:58:05,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:58:05,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730379138] [2024-11-16 15:58:05,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730379138] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:58:05,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:58:05,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 15:58:05,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422924580] [2024-11-16 15:58:05,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:58:05,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 15:58:05,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:58:05,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 15:58:05,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-16 15:58:05,396 INFO L87 Difference]: Start difference. First operand 496 states and 762 transitions. Second operand has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-16 15:58:07,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:58:07,793 INFO L93 Difference]: Finished difference Result 3139 states and 4778 transitions. [2024-11-16 15:58:07,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-16 15:58:07,794 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 200 [2024-11-16 15:58:07,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:58:07,811 INFO L225 Difference]: With dead ends: 3139 [2024-11-16 15:58:07,812 INFO L226 Difference]: Without dead ends: 2646 [2024-11-16 15:58:07,815 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=123, Invalid=339, Unknown=0, NotChecked=0, Total=462 [2024-11-16 15:58:07,816 INFO L432 NwaCegarLoop]: 252 mSDtfsCounter, 933 mSDsluCounter, 1228 mSDsCounter, 0 mSdLazyCounter, 1370 mSolverCounterSat, 648 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 933 SdHoareTripleChecker+Valid, 1480 SdHoareTripleChecker+Invalid, 2018 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 648 IncrementalHoareTripleChecker+Valid, 1370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-16 15:58:07,816 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [933 Valid, 1480 Invalid, 2018 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [648 Valid, 1370 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-16 15:58:07,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2646 states. [2024-11-16 15:58:08,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2646 to 2159. [2024-11-16 15:58:08,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2159 states, 1635 states have (on average 1.4097859327217126) internal successors, (2305), 1655 states have internal predecessors, (2305), 492 states have call successors, (492), 31 states have call predecessors, (492), 31 states have return successors, (492), 472 states have call predecessors, (492), 492 states have call successors, (492) [2024-11-16 15:58:08,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2159 states to 2159 states and 3289 transitions. [2024-11-16 15:58:08,084 INFO L78 Accepts]: Start accepts. Automaton has 2159 states and 3289 transitions. Word has length 200 [2024-11-16 15:58:08,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:58:08,085 INFO L471 AbstractCegarLoop]: Abstraction has 2159 states and 3289 transitions. [2024-11-16 15:58:08,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-16 15:58:08,085 INFO L276 IsEmpty]: Start isEmpty. Operand 2159 states and 3289 transitions. [2024-11-16 15:58:08,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-16 15:58:08,087 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:58:08,087 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:58:08,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 15:58:08,088 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:58:08,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:58:08,088 INFO L85 PathProgramCache]: Analyzing trace with hash 66379899, now seen corresponding path program 1 times [2024-11-16 15:58:08,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:58:08,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684694913] [2024-11-16 15:58:08,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:58:08,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:58:08,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:16,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 15:58:16,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:16,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 15:58:16,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:16,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 15:58:16,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:16,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 15:58:16,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:16,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-16 15:58:16,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:16,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 15:58:16,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:16,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 15:58:16,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:16,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 15:58:16,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:16,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 15:58:16,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:16,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 15:58:16,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:16,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 15:58:16,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:16,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-16 15:58:16,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:16,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 15:58:16,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:16,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-16 15:58:16,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:16,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 15:58:16,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:16,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 15:58:16,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:16,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 15:58:16,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:16,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-16 15:58:16,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:16,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 15:58:16,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:16,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-16 15:58:16,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:16,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-16 15:58:16,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:16,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 15:58:16,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:16,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-16 15:58:16,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:16,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 15:58:16,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:16,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-16 15:58:16,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:16,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 15:58:16,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:16,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-16 15:58:16,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:16,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 15:58:16,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:16,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-11-16 15:58:16,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:16,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-16 15:58:16,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 15:58:16,543 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-11-16 15:58:16,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 15:58:16,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684694913] [2024-11-16 15:58:16,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684694913] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 15:58:16,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 15:58:16,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-16 15:58:16,545 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456235961] [2024-11-16 15:58:16,545 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 15:58:16,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-16 15:58:16,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 15:58:16,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-16 15:58:16,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-16 15:58:16,547 INFO L87 Difference]: Start difference. First operand 2159 states and 3289 transitions. Second operand has 13 states, 13 states have (on average 4.076923076923077) internal successors, (53), 13 states have internal predecessors, (53), 4 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2024-11-16 15:58:18,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 15:58:18,234 INFO L93 Difference]: Finished difference Result 5387 states and 8127 transitions. [2024-11-16 15:58:18,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 15:58:18,235 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.076923076923077) internal successors, (53), 13 states have internal predecessors, (53), 4 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) Word has length 200 [2024-11-16 15:58:18,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 15:58:18,256 INFO L225 Difference]: With dead ends: 5387 [2024-11-16 15:58:18,256 INFO L226 Difference]: Without dead ends: 3231 [2024-11-16 15:58:18,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2024-11-16 15:58:18,264 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 785 mSDsluCounter, 762 mSDsCounter, 0 mSdLazyCounter, 670 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 785 SdHoareTripleChecker+Valid, 900 SdHoareTripleChecker+Invalid, 814 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 670 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-16 15:58:18,265 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [785 Valid, 900 Invalid, 814 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 670 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-16 15:58:18,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3231 states. [2024-11-16 15:58:18,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3231 to 2399. [2024-11-16 15:58:18,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2399 states, 1875 states have (on average 1.4224) internal successors, (2667), 1895 states have internal predecessors, (2667), 492 states have call successors, (492), 31 states have call predecessors, (492), 31 states have return successors, (492), 472 states have call predecessors, (492), 492 states have call successors, (492) [2024-11-16 15:58:18,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2399 states to 2399 states and 3651 transitions. [2024-11-16 15:58:18,466 INFO L78 Accepts]: Start accepts. Automaton has 2399 states and 3651 transitions. Word has length 200 [2024-11-16 15:58:18,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 15:58:18,467 INFO L471 AbstractCegarLoop]: Abstraction has 2399 states and 3651 transitions. [2024-11-16 15:58:18,467 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.076923076923077) internal successors, (53), 13 states have internal predecessors, (53), 4 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2024-11-16 15:58:18,467 INFO L276 IsEmpty]: Start isEmpty. Operand 2399 states and 3651 transitions. [2024-11-16 15:58:18,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-11-16 15:58:18,470 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 15:58:18,470 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:58:18,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 15:58:18,471 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 15:58:18,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 15:58:18,471 INFO L85 PathProgramCache]: Analyzing trace with hash -439178726, now seen corresponding path program 1 times [2024-11-16 15:58:18,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 15:58:18,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603487348] [2024-11-16 15:58:18,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 15:58:18,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 15:58:18,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat