./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-98.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_fillercodesize_ps-cn-50_file-98.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 fb7f5397d6e76f161dfbf7d218b9accd64857e1ee95b297da8409033586cbc66 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 04:50:43,184 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 04:50:43,281 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 04:50:43,287 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 04:50:43,288 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 04:50:43,310 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 04:50:43,311 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 04:50:43,311 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 04:50:43,311 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 04:50:43,312 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 04:50:43,312 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 04:50:43,313 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 04:50:43,314 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 04:50:43,319 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 04:50:43,319 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 04:50:43,320 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 04:50:43,320 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 04:50:43,320 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 04:50:43,320 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 04:50:43,321 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 04:50:43,321 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 04:50:43,323 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 04:50:43,323 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 04:50:43,323 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 04:50:43,323 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 04:50:43,323 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 04:50:43,324 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 04:50:43,324 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 04:50:43,324 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 04:50:43,324 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 04:50:43,324 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 04:50:43,325 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 04:50:43,325 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 04:50:43,325 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 04:50:43,325 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 04:50:43,326 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 04:50:43,326 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 04:50:43,326 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 04:50:43,327 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 04:50:43,328 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 04:50:43,328 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 04:50:43,328 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 04:50:43,328 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fb7f5397d6e76f161dfbf7d218b9accd64857e1ee95b297da8409033586cbc66 [2024-11-10 04:50:43,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 04:50:43,578 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 04:50:43,580 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 04:50:43,581 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 04:50:43,582 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 04:50:43,583 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-98.i [2024-11-10 04:50:45,069 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 04:50:45,283 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 04:50:45,284 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-98.i [2024-11-10 04:50:45,296 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f94fbf719/4ac38d2a2cc4402c97a2cb7fc27e9e2d/FLAG5f1b467ce [2024-11-10 04:50:45,310 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f94fbf719/4ac38d2a2cc4402c97a2cb7fc27e9e2d [2024-11-10 04:50:45,312 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 04:50:45,313 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 04:50:45,314 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 04:50:45,314 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 04:50:45,320 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 04:50:45,322 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:50:45" (1/1) ... [2024-11-10 04:50:45,323 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e11c823 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:50:45, skipping insertion in model container [2024-11-10 04:50:45,323 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 04:50:45" (1/1) ... [2024-11-10 04:50:45,353 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 04:50:45,511 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_fillercodesize_ps-cn-50_file-98.i[915,928] [2024-11-10 04:50:45,602 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 04:50:45,618 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 04:50:45,631 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_fillercodesize_ps-cn-50_file-98.i[915,928] [2024-11-10 04:50:45,685 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 04:50:45,706 INFO L204 MainTranslator]: Completed translation [2024-11-10 04:50:45,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:50:45 WrapperNode [2024-11-10 04:50:45,706 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 04:50:45,709 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 04:50:45,709 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 04:50:45,709 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 04:50:45,717 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:50:45" (1/1) ... [2024-11-10 04:50:45,730 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:50:45" (1/1) ... [2024-11-10 04:50:45,807 INFO L138 Inliner]: procedures = 26, calls = 55, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 271 [2024-11-10 04:50:45,807 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 04:50:45,808 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 04:50:45,809 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 04:50:45,809 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 04:50:45,828 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:50:45" (1/1) ... [2024-11-10 04:50:45,830 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:50:45" (1/1) ... [2024-11-10 04:50:45,841 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:50:45" (1/1) ... [2024-11-10 04:50:45,913 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 04:50:45,914 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:50:45" (1/1) ... [2024-11-10 04:50:45,914 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:50:45" (1/1) ... [2024-11-10 04:50:45,935 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:50:45" (1/1) ... [2024-11-10 04:50:45,937 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:50:45" (1/1) ... [2024-11-10 04:50:45,945 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:50:45" (1/1) ... [2024-11-10 04:50:45,948 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:50:45" (1/1) ... [2024-11-10 04:50:45,956 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 04:50:45,958 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 04:50:45,958 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 04:50:45,958 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 04:50:45,959 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:50:45" (1/1) ... [2024-11-10 04:50:45,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 04:50:45,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 04:50:45,993 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 04:50:45,996 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 04:50:46,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 04:50:46,040 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 04:50:46,041 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 04:50:46,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 04:50:46,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 04:50:46,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 04:50:46,155 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 04:50:46,157 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 04:50:46,654 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L207: havoc property_#t~bitwise30#1; [2024-11-10 04:50:46,733 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-10 04:50:46,733 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 04:50:46,763 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 04:50:46,767 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 04:50:46,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 04:50:46 BoogieIcfgContainer [2024-11-10 04:50:46,767 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 04:50:46,770 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 04:50:46,770 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 04:50:46,773 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 04:50:46,775 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 04:50:45" (1/3) ... [2024-11-10 04:50:46,776 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3db09d1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 04:50:46, skipping insertion in model container [2024-11-10 04:50:46,776 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 04:50:45" (2/3) ... [2024-11-10 04:50:46,778 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3db09d1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 04:50:46, skipping insertion in model container [2024-11-10 04:50:46,778 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 04:50:46" (3/3) ... [2024-11-10 04:50:46,779 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-50_file-98.i [2024-11-10 04:50:46,798 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 04:50:46,799 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 04:50:46,865 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 04:50:46,872 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;@38df1cc7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 04:50:46,873 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 04:50:46,879 INFO L276 IsEmpty]: Start isEmpty. Operand has 121 states, 76 states have (on average 1.394736842105263) internal successors, (106), 77 states have internal predecessors, (106), 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 04:50:46,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2024-11-10 04:50:46,895 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:50:46,896 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 04:50:46,896 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:50:46,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:50:46,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1684153970, now seen corresponding path program 1 times [2024-11-10 04:50:46,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:50:46,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784545875] [2024-11-10 04:50:46,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:50:46,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:50:47,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:47,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:50:47,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:47,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 04:50:47,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:47,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 04:50:47,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:47,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 04:50:47,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:47,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 04:50:47,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:47,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 04:50:47,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:47,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 04:50:47,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:47,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 04:50:47,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:47,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 04:50:47,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:47,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 04:50:47,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:47,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 04:50:47,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:47,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 04:50:47,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:47,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 04:50:47,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:47,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 04:50:47,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:47,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 04:50:47,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:47,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 04:50:47,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:47,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 04:50:47,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:47,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:50:47,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:47,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 04:50:47,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:47,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:50:47,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:47,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 04:50:47,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:47,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 04:50:47,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:47,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 04:50:47,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:47,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 04:50:47,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:47,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 04:50:47,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:47,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 04:50:47,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:47,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 04:50:47,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:47,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 04:50:47,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:47,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 04:50:47,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:47,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 04:50:47,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:47,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 04:50:47,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:47,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-10 04:50:47,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:47,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 04:50:47,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:47,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-10 04:50:47,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:47,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 04:50:47,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:47,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 04:50:47,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:47,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-10 04:50:47,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:47,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-10 04:50:47,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:47,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-10 04:50:47,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:47,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-10 04:50:47,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:47,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-10 04:50:47,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:47,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-10 04:50:47,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:47,525 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 04:50:47,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:50:47,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784545875] [2024-11-10 04:50:47,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784545875] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:50:47,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:50:47,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 04:50:47,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145822183] [2024-11-10 04:50:47,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:50:47,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 04:50:47,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:50:47,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 04:50:47,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 04:50:47,562 INFO L87 Difference]: Start difference. First operand has 121 states, 76 states have (on average 1.394736842105263) internal successors, (106), 77 states have internal predecessors, (106), 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 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-10 04:50:47,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:50:47,615 INFO L93 Difference]: Finished difference Result 234 states and 415 transitions. [2024-11-10 04:50:47,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 04:50:47,619 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42) Word has length 263 [2024-11-10 04:50:47,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:50:47,628 INFO L225 Difference]: With dead ends: 234 [2024-11-10 04:50:47,628 INFO L226 Difference]: Without dead ends: 116 [2024-11-10 04:50:47,634 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 04:50:47,639 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 04:50:47,640 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 178 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 04:50:47,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-10 04:50:47,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2024-11-10 04:50:47,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 72 states have (on average 1.3611111111111112) internal successors, (98), 72 states have internal predecessors, (98), 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 04:50:47,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 182 transitions. [2024-11-10 04:50:47,707 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 182 transitions. Word has length 263 [2024-11-10 04:50:47,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:50:47,707 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 182 transitions. [2024-11-10 04:50:47,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-10 04:50:47,708 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 182 transitions. [2024-11-10 04:50:47,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2024-11-10 04:50:47,716 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:50:47,716 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 04:50:47,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 04:50:47,719 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:50:47,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:50:47,720 INFO L85 PathProgramCache]: Analyzing trace with hash 2061363886, now seen corresponding path program 1 times [2024-11-10 04:50:47,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:50:47,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894854153] [2024-11-10 04:50:47,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:50:47,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:50:47,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:48,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:50:48,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:48,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 04:50:48,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:48,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 04:50:48,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:48,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 04:50:48,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:48,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 04:50:48,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:48,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 04:50:48,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:48,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 04:50:48,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:48,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 04:50:48,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:48,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 04:50:48,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:48,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 04:50:48,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:48,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 04:50:48,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:48,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 04:50:48,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:48,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 04:50:48,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:48,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 04:50:48,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:48,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 04:50:48,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:48,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 04:50:48,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:48,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 04:50:48,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:48,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:50:48,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:48,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 04:50:48,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:48,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:50:48,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:48,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 04:50:48,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:48,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 04:50:48,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:48,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 04:50:48,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:48,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 04:50:48,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:48,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 04:50:48,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:48,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 04:50:48,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:48,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 04:50:48,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:48,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 04:50:48,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:48,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 04:50:48,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:48,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 04:50:48,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:48,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 04:50:48,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:48,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-10 04:50:48,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:48,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 04:50:48,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:48,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-10 04:50:48,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:48,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 04:50:48,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:48,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 04:50:48,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:48,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-10 04:50:48,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:48,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-10 04:50:48,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:48,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-10 04:50:48,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:48,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-10 04:50:48,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:48,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-10 04:50:48,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:48,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-10 04:50:48,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:48,765 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 04:50:48,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:50:48,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894854153] [2024-11-10 04:50:48,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894854153] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:50:48,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:50:48,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 04:50:48,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105667028] [2024-11-10 04:50:48,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:50:48,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 04:50:48,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:50:48,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 04:50:48,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 04:50:48,775 INFO L87 Difference]: Start difference. First operand 116 states and 182 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 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 04:50:48,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:50:48,977 INFO L93 Difference]: Finished difference Result 343 states and 542 transitions. [2024-11-10 04:50:48,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 04:50:48,978 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 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 04:50:48,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:50:48,983 INFO L225 Difference]: With dead ends: 343 [2024-11-10 04:50:48,983 INFO L226 Difference]: Without dead ends: 230 [2024-11-10 04:50:48,985 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-10 04:50:48,986 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 107 mSDsluCounter, 504 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 677 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 04:50:48,986 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 677 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 04:50:48,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2024-11-10 04:50:49,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 227. [2024-11-10 04:50:49,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 140 states have (on average 1.3714285714285714) internal successors, (192), 140 states have internal predecessors, (192), 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 04:50:49,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 360 transitions. [2024-11-10 04:50:49,070 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 360 transitions. Word has length 263 [2024-11-10 04:50:49,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:50:49,073 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 360 transitions. [2024-11-10 04:50:49,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 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 04:50:49,074 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 360 transitions. [2024-11-10 04:50:49,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2024-11-10 04:50:49,082 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:50:49,083 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 04:50:49,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 04:50:49,084 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:50:49,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:50:49,084 INFO L85 PathProgramCache]: Analyzing trace with hash -42118003, now seen corresponding path program 1 times [2024-11-10 04:50:49,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:50:49,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076566] [2024-11-10 04:50:49,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:50:49,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:50:49,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:49,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:50:49,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:49,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 04:50:50,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:50,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 04:50:50,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:50,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 04:50:50,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:50,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 04:50:50,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:50,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 04:50:50,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:50,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 04:50:50,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:50,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 04:50:50,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:50,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 04:50:50,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:50,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 04:50:50,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:50,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 04:50:50,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:50,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 04:50:50,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:50,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 04:50:50,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:50,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 04:50:50,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:50,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 04:50:50,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:50,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 04:50:50,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:50,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 04:50:50,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:50,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:50:50,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:50,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 04:50:50,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:50,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:50:50,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:50,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 04:50:50,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:50,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 04:50:50,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:50,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 04:50:50,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:50,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 04:50:50,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:50,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 04:50:50,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:50,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 04:50:50,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:50,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 04:50:50,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:50,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 04:50:50,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:50,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 04:50:50,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:50,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 04:50:50,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:50,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 04:50:50,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:50,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-10 04:50:50,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:50,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 04:50:50,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:50,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-10 04:50:50,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:50,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 04:50:50,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:50,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 04:50:50,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:50,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-10 04:50:50,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:50,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-10 04:50:50,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:50,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-10 04:50:50,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:50,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-10 04:50:50,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:50,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-10 04:50:50,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:50,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-10 04:50:50,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:50,165 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 04:50:50,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:50:50,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076566] [2024-11-10 04:50:50,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076566] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:50:50,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:50:50,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 04:50:50,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303698019] [2024-11-10 04:50:50,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:50:50,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 04:50:50,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:50:50,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 04:50:50,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 04:50:50,170 INFO L87 Difference]: Start difference. First operand 227 states and 360 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 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 04:50:50,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:50:50,686 INFO L93 Difference]: Finished difference Result 543 states and 862 transitions. [2024-11-10 04:50:50,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 04:50:50,689 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 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 04:50:50,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:50:50,696 INFO L225 Difference]: With dead ends: 543 [2024-11-10 04:50:50,697 INFO L226 Difference]: Without dead ends: 319 [2024-11-10 04:50:50,699 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 04:50:50,702 INFO L432 NwaCegarLoop]: 306 mSDtfsCounter, 191 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 546 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 04:50:50,705 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 546 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 04:50:50,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-11-10 04:50:50,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 227. [2024-11-10 04:50:50,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227 states, 140 states have (on average 1.3642857142857143) internal successors, (191), 140 states have internal predecessors, (191), 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 04:50:50,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 359 transitions. [2024-11-10 04:50:50,766 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 359 transitions. Word has length 263 [2024-11-10 04:50:50,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:50:50,767 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 359 transitions. [2024-11-10 04:50:50,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 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 04:50:50,768 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 359 transitions. [2024-11-10 04:50:50,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2024-11-10 04:50:50,776 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:50:50,776 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 04:50:50,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 04:50:50,777 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:50:50,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:50:50,779 INFO L85 PathProgramCache]: Analyzing trace with hash -335521010, now seen corresponding path program 1 times [2024-11-10 04:50:50,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:50:50,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733778041] [2024-11-10 04:50:50,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:50:50,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:50:50,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:52,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:50:52,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:52,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 04:50:52,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:52,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 04:50:52,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:52,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 04:50:52,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:52,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 04:50:52,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:52,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 04:50:52,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:52,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 04:50:52,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:52,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 04:50:52,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:52,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 04:50:52,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:52,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 04:50:52,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:52,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 04:50:52,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:52,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 04:50:52,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:52,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 04:50:52,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:52,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 04:50:52,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:52,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 04:50:52,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:52,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 04:50:52,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:52,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 04:50:52,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:52,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:50:52,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:52,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 04:50:52,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:52,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:50:52,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:52,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 04:50:52,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:52,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 04:50:52,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:52,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 04:50:52,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:52,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 04:50:52,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:52,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 04:50:52,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:52,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 04:50:52,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:52,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 04:50:52,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:52,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 04:50:52,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:52,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 04:50:52,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:52,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 04:50:52,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:52,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 04:50:52,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:52,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-10 04:50:52,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:52,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 04:50:52,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:52,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-10 04:50:52,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:52,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 04:50:52,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:52,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 04:50:52,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:52,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-10 04:50:52,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:52,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-10 04:50:52,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:52,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-10 04:50:52,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:52,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-10 04:50:52,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:52,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-10 04:50:52,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:52,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-10 04:50:52,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:52,234 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 04:50:52,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:50:52,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733778041] [2024-11-10 04:50:52,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733778041] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:50:52,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:50:52,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 04:50:52,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33537327] [2024-11-10 04:50:52,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:50:52,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 04:50:52,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:50:52,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 04:50:52,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 04:50:52,237 INFO L87 Difference]: Start difference. First operand 227 states and 359 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 04:50:53,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:50:53,272 INFO L93 Difference]: Finished difference Result 618 states and 968 transitions. [2024-11-10 04:50:53,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 04:50:53,273 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 04:50:53,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:50:53,281 INFO L225 Difference]: With dead ends: 618 [2024-11-10 04:50:53,281 INFO L226 Difference]: Without dead ends: 394 [2024-11-10 04:50:53,282 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2024-11-10 04:50:53,283 INFO L432 NwaCegarLoop]: 307 mSDtfsCounter, 305 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 764 SdHoareTripleChecker+Invalid, 675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-10 04:50:53,286 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 764 Invalid, 675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 509 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-10 04:50:53,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2024-11-10 04:50:53,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 382. [2024-11-10 04:50:53,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 231 states have (on average 1.341991341991342) internal successors, (310), 232 states have internal predecessors, (310), 146 states have call successors, (146), 4 states have call predecessors, (146), 4 states have return successors, (146), 145 states have call predecessors, (146), 146 states have call successors, (146) [2024-11-10 04:50:53,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 602 transitions. [2024-11-10 04:50:53,360 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 602 transitions. Word has length 263 [2024-11-10 04:50:53,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:50:53,362 INFO L471 AbstractCegarLoop]: Abstraction has 382 states and 602 transitions. [2024-11-10 04:50:53,362 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 04:50:53,363 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 602 transitions. [2024-11-10 04:50:53,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2024-11-10 04:50:53,369 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:50:53,369 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 04:50:53,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 04:50:53,369 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:50:53,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:50:53,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1407289325, now seen corresponding path program 1 times [2024-11-10 04:50:53,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:50:53,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696906814] [2024-11-10 04:50:53,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:50:53,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:50:53,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:53,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 04:50:53,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:53,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 04:50:53,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:53,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 04:50:53,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:53,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 04:50:53,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:53,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 04:50:53,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:53,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 04:50:53,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:53,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 04:50:53,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:53,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 04:50:53,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:53,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 04:50:53,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:53,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 04:50:53,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:53,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 04:50:53,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:53,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 04:50:53,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:53,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 04:50:53,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:53,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 04:50:53,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:53,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 04:50:53,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:53,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 04:50:53,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:53,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 04:50:53,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:53,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 04:50:53,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:53,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 04:50:53,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:53,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 04:50:53,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:53,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 04:50:53,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:53,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 04:50:53,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:53,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 04:50:53,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:53,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 04:50:53,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:53,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 04:50:53,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:53,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 04:50:53,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:53,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 04:50:53,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:53,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 04:50:53,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:53,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 04:50:53,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:53,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 04:50:53,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:53,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 04:50:53,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:53,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-10 04:50:53,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:53,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-10 04:50:53,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:53,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-11-10 04:50:53,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:53,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2024-11-10 04:50:53,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:53,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2024-11-10 04:50:53,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:53,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2024-11-10 04:50:53,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:53,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2024-11-10 04:50:53,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:53,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-11-10 04:50:53,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:53,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-11-10 04:50:53,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:53,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-10 04:50:53,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:53,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-11-10 04:50:53,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 04:50:53,800 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 04:50:53,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 04:50:53,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696906814] [2024-11-10 04:50:53,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696906814] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 04:50:53,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 04:50:53,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 04:50:53,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388499520] [2024-11-10 04:50:53,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 04:50:53,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 04:50:53,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 04:50:53,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 04:50:53,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 04:50:53,803 INFO L87 Difference]: Start difference. First operand 382 states and 602 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (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 04:50:53,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 04:50:53,849 INFO L93 Difference]: Finished difference Result 764 states and 1207 transitions. [2024-11-10 04:50:53,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 04:50:53,850 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (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 04:50:53,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 04:50:53,855 INFO L225 Difference]: With dead ends: 764 [2024-11-10 04:50:53,855 INFO L226 Difference]: Without dead ends: 385 [2024-11-10 04:50:53,856 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 04:50:53,857 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 0 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 04:50:53,858 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 349 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 04:50:53,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2024-11-10 04:50:53,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 385. [2024-11-10 04:50:53,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 234 states have (on average 1.3376068376068375) internal successors, (313), 235 states have internal predecessors, (313), 146 states have call successors, (146), 4 states have call predecessors, (146), 4 states have return successors, (146), 145 states have call predecessors, (146), 146 states have call successors, (146) [2024-11-10 04:50:53,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 605 transitions. [2024-11-10 04:50:53,933 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 605 transitions. Word has length 263 [2024-11-10 04:50:53,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 04:50:53,935 INFO L471 AbstractCegarLoop]: Abstraction has 385 states and 605 transitions. [2024-11-10 04:50:53,935 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 1 states have call successors, (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 04:50:53,935 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 605 transitions. [2024-11-10 04:50:53,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2024-11-10 04:50:53,938 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 04:50:53,940 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 04:50:53,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 04:50:53,941 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 04:50:53,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 04:50:53,941 INFO L85 PathProgramCache]: Analyzing trace with hash -106490037, now seen corresponding path program 1 times [2024-11-10 04:50:53,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 04:50:53,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645259832] [2024-11-10 04:50:53,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 04:50:53,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 04:50:54,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat