./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-33.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-33.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 b76500e2dcd759a4ed1a20b4e11958a401bee7a48c3e690ae5c63652a7022123 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 05:04:41,189 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 05:04:41,257 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 05:04:41,262 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 05:04:41,265 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 05:04:41,286 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 05:04:41,287 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 05:04:41,287 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 05:04:41,287 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 05:04:41,288 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 05:04:41,288 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 05:04:41,288 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 05:04:41,289 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 05:04:41,289 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 05:04:41,291 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 05:04:41,291 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 05:04:41,291 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 05:04:41,291 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 05:04:41,292 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 05:04:41,294 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 05:04:41,294 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 05:04:41,294 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 05:04:41,296 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 05:04:41,296 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 05:04:41,297 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 05:04:41,297 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 05:04:41,297 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 05:04:41,297 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 05:04:41,297 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 05:04:41,298 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 05:04:41,298 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 05:04:41,298 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 05:04:41,298 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 05:04:41,298 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 05:04:41,298 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 05:04:41,299 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 05:04:41,299 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 05:04:41,299 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 05:04:41,300 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 05:04:41,301 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 05:04:41,301 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 05:04:41,301 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 05:04:41,301 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b76500e2dcd759a4ed1a20b4e11958a401bee7a48c3e690ae5c63652a7022123 [2024-11-10 05:04:41,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 05:04:41,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 05:04:41,550 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 05:04:41,551 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 05:04:41,552 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 05:04:41,553 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-33.i [2024-11-10 05:04:42,955 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 05:04:43,153 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 05:04:43,153 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-33.i [2024-11-10 05:04:43,168 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbd495afd/ba2e14e018dc4bf18dba044d510badfc/FLAG513b76105 [2024-11-10 05:04:43,521 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbd495afd/ba2e14e018dc4bf18dba044d510badfc [2024-11-10 05:04:43,524 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 05:04:43,525 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 05:04:43,526 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 05:04:43,526 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 05:04:43,538 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 05:04:43,539 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:04:43" (1/1) ... [2024-11-10 05:04:43,540 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d787561 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:04:43, skipping insertion in model container [2024-11-10 05:04:43,540 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:04:43" (1/1) ... [2024-11-10 05:04:43,570 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 05:04:43,720 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_fillercode_fillercodestructure_filler-pe-cn_file-33.i[919,932] [2024-11-10 05:04:43,801 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 05:04:43,810 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 05:04:43,820 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_fillercode_fillercodestructure_filler-pe-cn_file-33.i[919,932] [2024-11-10 05:04:43,884 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 05:04:43,951 INFO L204 MainTranslator]: Completed translation [2024-11-10 05:04:43,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:04:43 WrapperNode [2024-11-10 05:04:43,958 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 05:04:43,958 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 05:04:43,959 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 05:04:43,959 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 05:04:43,968 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:04:43" (1/1) ... [2024-11-10 05:04:43,995 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:04:43" (1/1) ... [2024-11-10 05:04:44,065 INFO L138 Inliner]: procedures = 26, calls = 55, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 251 [2024-11-10 05:04:44,071 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 05:04:44,072 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 05:04:44,072 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 05:04:44,072 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 05:04:44,089 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:04:43" (1/1) ... [2024-11-10 05:04:44,090 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:04:43" (1/1) ... [2024-11-10 05:04:44,103 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:04:43" (1/1) ... [2024-11-10 05:04:44,143 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 05:04:44,144 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:04:43" (1/1) ... [2024-11-10 05:04:44,144 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:04:43" (1/1) ... [2024-11-10 05:04:44,167 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:04:43" (1/1) ... [2024-11-10 05:04:44,175 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:04:43" (1/1) ... [2024-11-10 05:04:44,184 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:04:43" (1/1) ... [2024-11-10 05:04:44,187 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:04:43" (1/1) ... [2024-11-10 05:04:44,196 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 05:04:44,201 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 05:04:44,205 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 05:04:44,205 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 05:04:44,206 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:04:43" (1/1) ... [2024-11-10 05:04:44,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 05:04:44,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 05:04:44,264 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 05:04:44,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 05:04:44,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 05:04:44,307 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 05:04:44,308 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 05:04:44,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 05:04:44,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 05:04:44,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 05:04:44,390 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 05:04:44,396 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 05:04:44,782 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L200: havoc property_#t~ite27#1;havoc property_#t~bitwise26#1; [2024-11-10 05:04:44,806 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-11-10 05:04:44,806 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 05:04:44,819 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 05:04:44,820 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 05:04:44,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 05:04:44 BoogieIcfgContainer [2024-11-10 05:04:44,820 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 05:04:44,821 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 05:04:44,823 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 05:04:44,825 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 05:04:44,825 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 05:04:43" (1/3) ... [2024-11-10 05:04:44,825 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@724d5059 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:04:44, skipping insertion in model container [2024-11-10 05:04:44,826 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:04:43" (2/3) ... [2024-11-10 05:04:44,826 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@724d5059 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:04:44, skipping insertion in model container [2024-11-10 05:04:44,826 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 05:04:44" (3/3) ... [2024-11-10 05:04:44,827 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-cn_file-33.i [2024-11-10 05:04:44,840 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 05:04:44,840 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 05:04:44,879 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 05:04:44,884 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;@3ec68790, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 05:04:44,884 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 05:04:44,888 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 70 states have (on average 1.3857142857142857) internal successors, (97), 71 states have internal predecessors, (97), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-10 05:04:44,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2024-11-10 05:04:44,899 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:04:44,899 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:04:44,900 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:04:44,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:04:44,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1738767147, now seen corresponding path program 1 times [2024-11-10 05:04:44,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:04:44,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211077304] [2024-11-10 05:04:44,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:04:44,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:04:45,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:46,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:04:46,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:46,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 05:04:46,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:46,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 05:04:46,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:46,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 05:04:46,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:46,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 05:04:46,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:46,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 05:04:46,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:46,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 05:04:46,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:46,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-10 05:04:46,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:46,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 05:04:46,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:46,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 05:04:46,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:46,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 05:04:46,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:46,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 05:04:46,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:46,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 05:04:46,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:46,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 05:04:46,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:46,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 05:04:46,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:46,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 05:04:46,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:46,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 05:04:46,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:46,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:04:46,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:46,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 05:04:46,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:46,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:04:46,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:46,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 05:04:46,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:46,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:04:46,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:46,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 05:04:46,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:46,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:04:46,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:46,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 05:04:46,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:46,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:04:46,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:46,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 05:04:46,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:46,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 05:04:46,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:46,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 05:04:46,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:46,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 05:04:46,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:46,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 05:04:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:46,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 05:04:46,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:46,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 05:04:46,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:46,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-10 05:04:46,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:46,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 05:04:46,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:46,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-10 05:04:46,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:46,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-10 05:04:46,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:46,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-10 05:04:46,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:46,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-10 05:04:46,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:46,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-10 05:04:46,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:46,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-10 05:04:46,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:46,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-10 05:04:46,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:46,535 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-10 05:04:46,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:04:46,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211077304] [2024-11-10 05:04:46,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211077304] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:04:46,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:04:46,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 05:04:46,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266004856] [2024-11-10 05:04:46,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:04:46,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 05:04:46,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:04:46,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 05:04:46,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 05:04:46,578 INFO L87 Difference]: Start difference. First operand has 115 states, 70 states have (on average 1.3857142857142857) internal successors, (97), 71 states have internal predecessors, (97), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-10 05:04:46,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:04:46,988 INFO L93 Difference]: Finished difference Result 331 states and 616 transitions. [2024-11-10 05:04:46,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 05:04:46,990 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 259 [2024-11-10 05:04:46,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:04:47,002 INFO L225 Difference]: With dead ends: 331 [2024-11-10 05:04:47,006 INFO L226 Difference]: Without dead ends: 219 [2024-11-10 05:04:47,010 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 05:04:47,013 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 97 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 05:04:47,014 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 434 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 05:04:47,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2024-11-10 05:04:47,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 203. [2024-11-10 05:04:47,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 116 states have (on average 1.2758620689655173) internal successors, (148), 116 states have internal predecessors, (148), 84 states have call successors, (84), 2 states have call predecessors, (84), 2 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-10 05:04:47,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 316 transitions. [2024-11-10 05:04:47,086 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 316 transitions. Word has length 259 [2024-11-10 05:04:47,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:04:47,087 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 316 transitions. [2024-11-10 05:04:47,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-10 05:04:47,088 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 316 transitions. [2024-11-10 05:04:47,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2024-11-10 05:04:47,091 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:04:47,092 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:04:47,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 05:04:47,092 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:04:47,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:04:47,093 INFO L85 PathProgramCache]: Analyzing trace with hash -1408791868, now seen corresponding path program 1 times [2024-11-10 05:04:47,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:04:47,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828305227] [2024-11-10 05:04:47,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:04:47,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:04:47,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:47,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:04:47,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:47,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 05:04:47,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:47,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 05:04:47,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:47,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 05:04:47,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:47,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 05:04:47,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:47,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 05:04:47,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:47,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 05:04:47,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:47,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-10 05:04:47,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:47,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 05:04:47,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:47,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 05:04:47,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:47,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 05:04:47,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:47,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 05:04:47,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:47,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 05:04:47,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:47,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 05:04:47,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:47,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 05:04:47,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:47,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 05:04:47,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:47,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 05:04:47,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:47,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:04:47,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:47,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 05:04:47,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:47,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:04:47,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:47,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 05:04:47,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:47,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:04:47,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:47,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 05:04:47,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:47,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:04:47,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:47,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 05:04:47,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:47,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:04:47,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:47,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 05:04:47,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:47,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 05:04:47,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:47,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 05:04:47,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:47,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 05:04:47,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:47,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 05:04:47,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:47,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 05:04:47,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:47,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 05:04:47,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:47,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-10 05:04:47,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:47,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 05:04:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:47,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-10 05:04:47,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:47,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-10 05:04:47,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:47,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-10 05:04:47,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:47,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-10 05:04:47,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:47,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-10 05:04:47,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:47,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-10 05:04:47,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:47,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-10 05:04:47,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:47,665 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-10 05:04:47,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:04:47,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828305227] [2024-11-10 05:04:47,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828305227] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:04:47,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:04:47,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 05:04:47,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009992154] [2024-11-10 05:04:47,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:04:47,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 05:04:47,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:04:47,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 05:04:47,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 05:04:47,678 INFO L87 Difference]: Start difference. First operand 203 states and 316 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-10 05:04:47,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:04:47,997 INFO L93 Difference]: Finished difference Result 342 states and 527 transitions. [2024-11-10 05:04:47,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 05:04:47,998 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 260 [2024-11-10 05:04:47,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:04:48,001 INFO L225 Difference]: With dead ends: 342 [2024-11-10 05:04:48,001 INFO L226 Difference]: Without dead ends: 215 [2024-11-10 05:04:48,002 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 05:04:48,003 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 94 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 05:04:48,003 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 439 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 05:04:48,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2024-11-10 05:04:48,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 204. [2024-11-10 05:04:48,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 117 states have (on average 1.264957264957265) internal successors, (148), 117 states have internal predecessors, (148), 84 states have call successors, (84), 2 states have call predecessors, (84), 2 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-10 05:04:48,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 316 transitions. [2024-11-10 05:04:48,031 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 316 transitions. Word has length 260 [2024-11-10 05:04:48,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:04:48,031 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 316 transitions. [2024-11-10 05:04:48,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-10 05:04:48,032 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 316 transitions. [2024-11-10 05:04:48,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2024-11-10 05:04:48,034 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:04:48,035 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:04:48,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 05:04:48,035 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:04:48,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:04:48,035 INFO L85 PathProgramCache]: Analyzing trace with hash 982961644, now seen corresponding path program 1 times [2024-11-10 05:04:48,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:04:48,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649266587] [2024-11-10 05:04:48,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:04:48,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:04:48,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:55,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:04:55,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:55,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 05:04:55,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:55,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 05:04:55,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:55,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 05:04:55,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:55,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 05:04:55,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:55,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 05:04:55,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:55,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 05:04:55,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:55,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-10 05:04:55,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:55,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 05:04:55,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:55,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 05:04:55,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:55,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 05:04:55,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:55,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 05:04:55,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:55,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 05:04:55,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:55,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 05:04:55,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:55,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 05:04:55,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:55,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 05:04:55,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:55,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 05:04:55,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:55,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:04:55,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:55,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 05:04:55,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:55,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:04:55,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:55,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 05:04:55,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:55,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:04:55,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:55,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 05:04:55,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:55,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:04:55,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:55,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 05:04:55,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:55,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:04:55,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:55,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 05:04:55,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:55,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 05:04:55,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:55,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 05:04:55,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:55,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 05:04:55,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:55,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 05:04:55,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:55,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 05:04:55,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:55,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 05:04:55,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:55,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-10 05:04:55,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:55,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 05:04:55,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:55,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-10 05:04:55,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:55,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-10 05:04:55,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:55,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-10 05:04:55,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:55,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-10 05:04:55,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:55,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-10 05:04:55,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:55,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-10 05:04:55,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:55,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-10 05:04:55,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:04:55,127 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-10 05:04:55,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:04:55,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649266587] [2024-11-10 05:04:55,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649266587] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:04:55,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:04:55,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-10 05:04:55,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625304711] [2024-11-10 05:04:55,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:04:55,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 05:04:55,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:04:55,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 05:04:55,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-11-10 05:04:55,131 INFO L87 Difference]: Start difference. First operand 204 states and 316 transitions. Second operand has 13 states, 13 states have (on average 4.153846153846154) internal successors, (54), 13 states have internal predecessors, (54), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-10 05:04:57,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:04:57,445 INFO L93 Difference]: Finished difference Result 571 states and 864 transitions. [2024-11-10 05:04:57,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 05:04:57,450 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.153846153846154) internal successors, (54), 13 states have internal predecessors, (54), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 261 [2024-11-10 05:04:57,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:04:57,453 INFO L225 Difference]: With dead ends: 571 [2024-11-10 05:04:57,453 INFO L226 Difference]: Without dead ends: 466 [2024-11-10 05:04:57,454 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=155, Invalid=445, Unknown=0, NotChecked=0, Total=600 [2024-11-10 05:04:57,455 INFO L432 NwaCegarLoop]: 276 mSDtfsCounter, 562 mSDsluCounter, 1074 mSDsCounter, 0 mSdLazyCounter, 668 mSolverCounterSat, 233 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 562 SdHoareTripleChecker+Valid, 1350 SdHoareTripleChecker+Invalid, 901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 233 IncrementalHoareTripleChecker+Valid, 668 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-10 05:04:57,456 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [562 Valid, 1350 Invalid, 901 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [233 Valid, 668 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-10 05:04:57,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2024-11-10 05:04:57,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 378. [2024-11-10 05:04:57,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 247 states have (on average 1.3400809716599191) internal successors, (331), 247 states have internal predecessors, (331), 126 states have call successors, (126), 4 states have call predecessors, (126), 4 states have return successors, (126), 126 states have call predecessors, (126), 126 states have call successors, (126) [2024-11-10 05:04:57,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 583 transitions. [2024-11-10 05:04:57,500 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 583 transitions. Word has length 261 [2024-11-10 05:04:57,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:04:57,502 INFO L471 AbstractCegarLoop]: Abstraction has 378 states and 583 transitions. [2024-11-10 05:04:57,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.153846153846154) internal successors, (54), 13 states have internal predecessors, (54), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-10 05:04:57,502 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 583 transitions. [2024-11-10 05:04:57,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2024-11-10 05:04:57,508 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:04:57,508 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:04:57,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 05:04:57,509 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:04:57,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:04:57,509 INFO L85 PathProgramCache]: Analyzing trace with hash -14110709, now seen corresponding path program 1 times [2024-11-10 05:04:57,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:04:57,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683647646] [2024-11-10 05:04:57,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:04:57,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:04:57,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:03,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:05:03,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:03,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 05:05:03,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:03,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 05:05:03,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:04,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 05:05:04,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:04,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 05:05:04,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:04,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 05:05:04,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:04,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 05:05:04,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:04,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-10 05:05:04,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:04,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 05:05:04,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:04,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 05:05:04,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:04,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 05:05:04,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:04,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 05:05:04,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:04,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 05:05:04,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:04,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 05:05:04,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:04,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 05:05:04,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:04,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 05:05:04,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:04,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 05:05:04,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:04,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:05:04,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:04,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 05:05:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:04,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:05:04,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:04,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 05:05:04,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:04,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:05:04,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:04,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 05:05:04,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:04,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:05:04,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:04,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 05:05:04,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:04,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:05:04,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:04,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 05:05:04,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:04,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 05:05:04,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:04,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 05:05:04,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:04,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 05:05:04,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:04,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 05:05:04,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:04,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 05:05:04,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:04,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 05:05:04,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:04,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-10 05:05:04,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:04,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 05:05:04,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:04,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-10 05:05:04,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:04,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-10 05:05:04,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:04,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-10 05:05:04,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:04,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-10 05:05:04,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:04,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-10 05:05:04,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:04,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-10 05:05:04,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:04,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-10 05:05:04,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:04,135 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 6 proven. 117 refuted. 0 times theorem prover too weak. 3321 trivial. 0 not checked. [2024-11-10 05:05:04,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:05:04,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683647646] [2024-11-10 05:05:04,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683647646] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 05:05:04,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1190419686] [2024-11-10 05:05:04,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:05:04,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 05:05:04,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 05:05:04,138 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 05:05:04,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 05:05:04,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:04,270 INFO L255 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 05:05:04,281 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 05:05:04,452 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 1491 proven. 36 refuted. 0 times theorem prover too weak. 1917 trivial. 0 not checked. [2024-11-10 05:05:04,452 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 05:05:04,721 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 87 proven. 36 refuted. 0 times theorem prover too weak. 3321 trivial. 0 not checked. [2024-11-10 05:05:04,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1190419686] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 05:05:04,722 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 05:05:04,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5, 5] total 19 [2024-11-10 05:05:04,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293227700] [2024-11-10 05:05:04,722 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 05:05:04,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-10 05:05:04,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:05:04,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-10 05:05:04,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2024-11-10 05:05:04,724 INFO L87 Difference]: Start difference. First operand 378 states and 583 transitions. Second operand has 19 states, 19 states have (on average 7.052631578947368) internal successors, (134), 19 states have internal predecessors, (134), 5 states have call successors, (96), 2 states have call predecessors, (96), 4 states have return successors, (97), 5 states have call predecessors, (97), 5 states have call successors, (97) [2024-11-10 05:05:07,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:05:07,028 INFO L93 Difference]: Finished difference Result 575 states and 860 transitions. [2024-11-10 05:05:07,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-10 05:05:07,028 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 7.052631578947368) internal successors, (134), 19 states have internal predecessors, (134), 5 states have call successors, (96), 2 states have call predecessors, (96), 4 states have return successors, (97), 5 states have call predecessors, (97), 5 states have call successors, (97) Word has length 261 [2024-11-10 05:05:07,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:05:07,031 INFO L225 Difference]: With dead ends: 575 [2024-11-10 05:05:07,031 INFO L226 Difference]: Without dead ends: 284 [2024-11-10 05:05:07,032 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 646 GetRequests, 606 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 339 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=352, Invalid=1370, Unknown=0, NotChecked=0, Total=1722 [2024-11-10 05:05:07,033 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 592 mSDsluCounter, 691 mSDsCounter, 0 mSdLazyCounter, 1136 mSolverCounterSat, 250 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 621 SdHoareTripleChecker+Valid, 785 SdHoareTripleChecker+Invalid, 1386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 250 IncrementalHoareTripleChecker+Valid, 1136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-10 05:05:07,033 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [621 Valid, 785 Invalid, 1386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [250 Valid, 1136 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-10 05:05:07,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2024-11-10 05:05:07,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 239. [2024-11-10 05:05:07,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 149 states have (on average 1.2416107382550337) internal successors, (185), 149 states have internal predecessors, (185), 84 states have call successors, (84), 5 states have call predecessors, (84), 5 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-10 05:05:07,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 353 transitions. [2024-11-10 05:05:07,051 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 353 transitions. Word has length 261 [2024-11-10 05:05:07,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:05:07,052 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 353 transitions. [2024-11-10 05:05:07,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 7.052631578947368) internal successors, (134), 19 states have internal predecessors, (134), 5 states have call successors, (96), 2 states have call predecessors, (96), 4 states have return successors, (97), 5 states have call predecessors, (97), 5 states have call successors, (97) [2024-11-10 05:05:07,052 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 353 transitions. [2024-11-10 05:05:07,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2024-11-10 05:05:07,054 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:05:07,054 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:05:07,070 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 05:05:07,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 05:05:07,256 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:05:07,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:05:07,256 INFO L85 PathProgramCache]: Analyzing trace with hash 2087469077, now seen corresponding path program 1 times [2024-11-10 05:05:07,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:05:07,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486802075] [2024-11-10 05:05:07,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:05:07,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:05:07,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:07,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:05:07,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:07,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 05:05:07,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:07,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 05:05:07,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:07,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 05:05:07,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:07,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 05:05:07,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:07,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 05:05:07,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:07,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 05:05:07,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:07,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-10 05:05:07,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:07,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 05:05:07,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:07,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 05:05:07,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:07,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 05:05:07,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:07,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 05:05:07,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:07,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 05:05:07,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:07,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 05:05:07,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:07,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 05:05:07,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:07,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 05:05:07,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:07,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 05:05:07,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:07,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:05:07,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:07,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 05:05:07,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:07,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:05:07,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:07,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 05:05:07,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:07,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:05:07,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:07,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 05:05:07,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:07,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:05:07,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:07,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 05:05:07,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:07,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:05:07,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:07,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 05:05:07,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:07,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 05:05:07,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:07,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 05:05:07,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:07,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 05:05:07,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:07,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 05:05:07,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:07,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 05:05:07,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:07,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 05:05:07,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:07,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-10 05:05:07,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:07,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 05:05:07,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:07,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-10 05:05:07,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:07,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-10 05:05:07,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:07,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-10 05:05:07,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:07,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-10 05:05:07,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:07,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-10 05:05:07,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:07,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-10 05:05:07,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:07,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-10 05:05:07,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:07,533 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-10 05:05:07,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:05:07,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486802075] [2024-11-10 05:05:07,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486802075] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:05:07,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:05:07,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 05:05:07,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299068326] [2024-11-10 05:05:07,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:05:07,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 05:05:07,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:05:07,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 05:05:07,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 05:05:07,537 INFO L87 Difference]: Start difference. First operand 239 states and 353 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-10 05:05:07,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:05:07,572 INFO L93 Difference]: Finished difference Result 362 states and 538 transitions. [2024-11-10 05:05:07,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 05:05:07,572 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 263 [2024-11-10 05:05:07,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:05:07,574 INFO L225 Difference]: With dead ends: 362 [2024-11-10 05:05:07,574 INFO L226 Difference]: Without dead ends: 239 [2024-11-10 05:05:07,575 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 05:05:07,579 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 103 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 05:05:07,579 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 156 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 05:05:07,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-11-10 05:05:07,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 239. [2024-11-10 05:05:07,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 239 states, 149 states have (on average 1.2281879194630871) internal successors, (183), 149 states have internal predecessors, (183), 84 states have call successors, (84), 5 states have call predecessors, (84), 5 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-10 05:05:07,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 351 transitions. [2024-11-10 05:05:07,610 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 351 transitions. Word has length 263 [2024-11-10 05:05:07,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:05:07,612 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 351 transitions. [2024-11-10 05:05:07,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-10 05:05:07,613 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 351 transitions. [2024-11-10 05:05:07,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2024-11-10 05:05:07,616 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:05:07,616 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:05:07,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 05:05:07,616 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:05:07,616 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:05:07,617 INFO L85 PathProgramCache]: Analyzing trace with hash 928365559, now seen corresponding path program 1 times [2024-11-10 05:05:07,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:05:07,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323576271] [2024-11-10 05:05:07,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:05:07,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:05:07,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:08,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:05:08,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:08,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 05:05:08,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:08,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 05:05:08,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:08,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 05:05:08,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:08,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 05:05:08,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:08,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 05:05:08,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:08,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 05:05:08,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:08,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-10 05:05:08,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:08,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 05:05:08,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:08,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-10 05:05:08,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:08,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 05:05:08,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:08,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 05:05:08,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:08,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-10 05:05:08,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:08,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 05:05:08,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:08,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 05:05:08,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:08,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 05:05:08,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:08,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 05:05:08,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:08,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:05:08,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:08,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 05:05:08,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:08,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:05:08,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:08,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 05:05:08,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:08,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:05:08,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:08,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 05:05:08,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:08,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:05:08,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:08,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 05:05:08,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:08,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:05:08,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:08,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 05:05:08,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:08,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 05:05:08,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:08,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 05:05:08,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:08,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-10 05:05:08,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:08,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 05:05:08,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:08,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 05:05:08,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:08,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 05:05:08,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:08,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-10 05:05:08,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:08,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 05:05:08,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:08,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-10 05:05:08,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:08,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-10 05:05:08,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:08,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-10 05:05:08,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:08,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-10 05:05:08,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:08,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-10 05:05:08,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:08,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-10 05:05:08,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:08,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-11-10 05:05:08,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:05:08,123 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-10 05:05:08,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:05:08,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323576271] [2024-11-10 05:05:08,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323576271] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:05:08,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:05:08,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 05:05:08,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889714551] [2024-11-10 05:05:08,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:05:08,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 05:05:08,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:05:08,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 05:05:08,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 05:05:08,124 INFO L87 Difference]: Start difference. First operand 239 states and 351 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-10 05:05:08,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:05:08,543 INFO L93 Difference]: Finished difference Result 404 states and 585 transitions. [2024-11-10 05:05:08,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 05:05:08,543 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 263 [2024-11-10 05:05:08,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:05:08,546 INFO L225 Difference]: With dead ends: 404 [2024-11-10 05:05:08,547 INFO L226 Difference]: Without dead ends: 292 [2024-11-10 05:05:08,548 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-10 05:05:08,550 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 117 mSDsluCounter, 465 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 05:05:08,551 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 644 Invalid, 394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 05:05:08,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-11-10 05:05:08,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 269. [2024-11-10 05:05:08,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 179 states have (on average 1.2569832402234637) internal successors, (225), 179 states have internal predecessors, (225), 84 states have call successors, (84), 5 states have call predecessors, (84), 5 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-10 05:05:08,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 393 transitions. [2024-11-10 05:05:08,576 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 393 transitions. Word has length 263 [2024-11-10 05:05:08,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:05:08,576 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 393 transitions. [2024-11-10 05:05:08,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-10 05:05:08,576 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 393 transitions. [2024-11-10 05:05:08,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-11-10 05:05:08,579 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:05:08,579 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:05:08,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 05:05:08,580 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:05:08,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:05:08,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1752771860, now seen corresponding path program 1 times [2024-11-10 05:05:08,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:05:08,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31182553] [2024-11-10 05:05:08,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:05:08,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:05:08,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat