./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_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_fillercodestructure_filler-pe-ci_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 fa899b25f522973b6bbc58879b0eb17248367bb8b552686dbd6511ffcd7729d0 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 05:01:30,032 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 05:01:30,105 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 05:01:30,109 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 05:01:30,110 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 05:01:30,136 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 05:01:30,136 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 05:01:30,137 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 05:01:30,138 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 05:01:30,138 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 05:01:30,138 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 05:01:30,139 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 05:01:30,139 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 05:01:30,140 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 05:01:30,140 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 05:01:30,141 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 05:01:30,141 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 05:01:30,141 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 05:01:30,142 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 05:01:30,142 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 05:01:30,142 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 05:01:30,143 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 05:01:30,143 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 05:01:30,144 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 05:01:30,152 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 05:01:30,153 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 05:01:30,153 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 05:01:30,153 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 05:01:30,154 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 05:01:30,154 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 05:01:30,154 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 05:01:30,155 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 05:01:30,156 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 05:01:30,156 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 05:01:30,156 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 05:01:30,157 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 05:01:30,157 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 05:01:30,157 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 05:01:30,158 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 05:01:30,158 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 05:01:30,158 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 05:01:30,162 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 05:01:30,162 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa899b25f522973b6bbc58879b0eb17248367bb8b552686dbd6511ffcd7729d0 [2024-11-10 05:01:30,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 05:01:30,494 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 05:01:30,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 05:01:30,498 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 05:01:30,498 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 05:01:30,499 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-98.i [2024-11-10 05:01:32,021 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 05:01:32,274 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 05:01:32,274 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-98.i [2024-11-10 05:01:32,284 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7b0e1b89/04c1ee885c7e448194173fb627fadd1a/FLAG2dc271b2d [2024-11-10 05:01:32,595 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7b0e1b89/04c1ee885c7e448194173fb627fadd1a [2024-11-10 05:01:32,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 05:01:32,599 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 05:01:32,600 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 05:01:32,601 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 05:01:32,606 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 05:01:32,607 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:01:32" (1/1) ... [2024-11-10 05:01:32,608 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@121c0ede and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:01:32, skipping insertion in model container [2024-11-10 05:01:32,608 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:01:32" (1/1) ... [2024-11-10 05:01:32,639 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 05:01:32,830 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-98.i[919,932] [2024-11-10 05:01:32,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 05:01:32,943 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 05:01:32,954 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-ci_file-98.i[919,932] [2024-11-10 05:01:32,989 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 05:01:33,016 INFO L204 MainTranslator]: Completed translation [2024-11-10 05:01:33,017 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:01:33 WrapperNode [2024-11-10 05:01:33,017 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 05:01:33,018 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 05:01:33,019 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 05:01:33,019 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 05:01:33,026 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:01:33" (1/1) ... [2024-11-10 05:01:33,043 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:01:33" (1/1) ... [2024-11-10 05:01:33,097 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 242 [2024-11-10 05:01:33,097 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 05:01:33,098 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 05:01:33,098 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 05:01:33,098 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 05:01:33,110 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:01:33" (1/1) ... [2024-11-10 05:01:33,114 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:01:33" (1/1) ... [2024-11-10 05:01:33,119 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:01:33" (1/1) ... [2024-11-10 05:01:33,149 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-10 05:01:33,149 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:01:33" (1/1) ... [2024-11-10 05:01:33,149 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:01:33" (1/1) ... [2024-11-10 05:01:33,162 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:01:33" (1/1) ... [2024-11-10 05:01:33,168 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:01:33" (1/1) ... [2024-11-10 05:01:33,175 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:01:33" (1/1) ... [2024-11-10 05:01:33,182 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:01:33" (1/1) ... [2024-11-10 05:01:33,192 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 05:01:33,193 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 05:01:33,193 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 05:01:33,193 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 05:01:33,195 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:01:33" (1/1) ... [2024-11-10 05:01:33,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 05:01:33,215 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 05:01:33,234 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 05:01:33,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 05:01:33,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 05:01:33,279 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 05:01:33,279 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 05:01:33,279 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 05:01:33,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 05:01:33,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 05:01:33,394 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 05:01:33,396 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 05:01:33,856 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L188: havoc property_#t~bitwise25#1; [2024-11-10 05:01:33,900 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-10 05:01:33,900 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 05:01:33,928 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 05:01:33,928 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 05:01:33,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 05:01:33 BoogieIcfgContainer [2024-11-10 05:01:33,929 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 05:01:33,931 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 05:01:33,931 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 05:01:33,935 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 05:01:33,935 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 05:01:32" (1/3) ... [2024-11-10 05:01:33,936 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@185bf5ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:01:33, skipping insertion in model container [2024-11-10 05:01:33,936 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:01:33" (2/3) ... [2024-11-10 05:01:33,937 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@185bf5ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:01:33, skipping insertion in model container [2024-11-10 05:01:33,937 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 05:01:33" (3/3) ... [2024-11-10 05:01:33,939 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-ci_file-98.i [2024-11-10 05:01:33,958 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 05:01:33,960 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 05:01:34,020 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 05:01:34,028 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;@57eda54b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 05:01:34,028 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 05:01:34,034 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 71 states have (on average 1.4225352112676057) internal successors, (101), 72 states have internal predecessors, (101), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-10 05:01:34,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-10 05:01:34,054 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:01:34,056 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:01:34,057 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:01:34,062 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:01:34,063 INFO L85 PathProgramCache]: Analyzing trace with hash -1401207073, now seen corresponding path program 1 times [2024-11-10 05:01:34,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:01:34,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88727862] [2024-11-10 05:01:34,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:01:34,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:01:34,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:34,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:01:34,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:34,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:01:34,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:34,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 05:01:34,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:34,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:01:34,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:34,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 05:01:34,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:34,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 05:01:34,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:34,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 05:01:34,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:34,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:01:34,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:34,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:01:34,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:34,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:01:34,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:34,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:01:34,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:34,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:01:34,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:34,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 05:01:34,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:34,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:01:34,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:34,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 05:01:34,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:34,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:01:34,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:34,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 05:01:34,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:34,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:01:34,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:34,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 05:01:34,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:34,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:01:34,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:34,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 05:01:34,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:34,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:01:34,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:34,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 05:01:34,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:34,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:01:34,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:34,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 05:01:34,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:34,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:01:34,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:34,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 05:01:34,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:34,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 05:01:34,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:34,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 05:01:34,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:34,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 05:01:34,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:34,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 05:01:34,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:34,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 05:01:34,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:34,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-10 05:01:34,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:34,703 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-10 05:01:34,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:01:34,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88727862] [2024-11-10 05:01:34,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88727862] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:01:34,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:01:34,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 05:01:34,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424632740] [2024-11-10 05:01:34,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:01:34,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 05:01:34,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:01:34,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 05:01:34,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 05:01:34,822 INFO L87 Difference]: Start difference. First operand has 107 states, 71 states have (on average 1.4225352112676057) internal successors, (101), 72 states have internal predecessors, (101), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-10 05:01:34,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:01:34,886 INFO L93 Difference]: Finished difference Result 206 states and 360 transitions. [2024-11-10 05:01:34,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 05:01:34,889 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) Word has length 213 [2024-11-10 05:01:34,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:01:34,901 INFO L225 Difference]: With dead ends: 206 [2024-11-10 05:01:34,901 INFO L226 Difference]: Without dead ends: 102 [2024-11-10 05:01:34,907 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 101 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 05:01:34,911 INFO L432 NwaCegarLoop]: 154 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, 154 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 05:01:34,912 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 154 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 05:01:34,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-10 05:01:34,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2024-11-10 05:01:34,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 67 states have (on average 1.373134328358209) internal successors, (92), 67 states have internal predecessors, (92), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-10 05:01:34,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 158 transitions. [2024-11-10 05:01:34,961 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 158 transitions. Word has length 213 [2024-11-10 05:01:34,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:01:34,962 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 158 transitions. [2024-11-10 05:01:34,962 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-10 05:01:34,963 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 158 transitions. [2024-11-10 05:01:34,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-10 05:01:34,969 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:01:34,969 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:01:34,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 05:01:34,970 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:01:34,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:01:34,970 INFO L85 PathProgramCache]: Analyzing trace with hash -1034439520, now seen corresponding path program 1 times [2024-11-10 05:01:34,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:01:34,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352244032] [2024-11-10 05:01:34,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:01:34,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:01:35,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:36,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:01:36,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:36,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:01:36,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:36,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 05:01:36,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:36,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:01:36,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:36,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 05:01:36,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:36,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 05:01:36,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:36,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 05:01:36,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:36,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:01:36,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:36,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:01:36,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:36,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:01:36,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:36,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:01:36,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:36,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:01:36,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:36,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 05:01:36,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:36,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:01:36,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:36,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 05:01:36,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:36,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:01:36,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:36,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 05:01:36,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:36,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:01:36,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:36,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 05:01:36,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:36,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:01:36,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:36,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 05:01:36,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:36,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:01:36,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:36,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 05:01:36,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:36,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:01:36,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:36,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 05:01:36,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:36,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:01:36,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:36,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 05:01:36,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:36,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 05:01:36,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:36,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 05:01:36,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:36,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 05:01:36,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:36,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 05:01:36,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:36,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 05:01:36,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:36,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-10 05:01:36,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:36,688 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-10 05:01:36,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:01:36,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352244032] [2024-11-10 05:01:36,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352244032] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:01:36,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:01:36,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 05:01:36,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102636969] [2024-11-10 05:01:36,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:01:36,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 05:01:36,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:01:36,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 05:01:36,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 05:01:36,713 INFO L87 Difference]: Start difference. First operand 102 states and 158 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-10 05:01:37,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:01:37,308 INFO L93 Difference]: Finished difference Result 301 states and 469 transitions. [2024-11-10 05:01:37,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 05:01:37,309 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 213 [2024-11-10 05:01:37,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:01:37,312 INFO L225 Difference]: With dead ends: 301 [2024-11-10 05:01:37,312 INFO L226 Difference]: Without dead ends: 202 [2024-11-10 05:01:37,316 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-10 05:01:37,319 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 218 mSDsluCounter, 359 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 05:01:37,320 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 494 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 05:01:37,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2024-11-10 05:01:37,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 196. [2024-11-10 05:01:37,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 127 states have (on average 1.3700787401574803) internal successors, (174), 127 states have internal predecessors, (174), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-10 05:01:37,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 306 transitions. [2024-11-10 05:01:37,388 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 306 transitions. Word has length 213 [2024-11-10 05:01:37,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:01:37,389 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 306 transitions. [2024-11-10 05:01:37,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-10 05:01:37,389 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 306 transitions. [2024-11-10 05:01:37,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-10 05:01:37,396 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:01:37,397 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:01:37,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 05:01:37,400 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:01:37,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:01:37,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1218035231, now seen corresponding path program 1 times [2024-11-10 05:01:37,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:01:37,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796586793] [2024-11-10 05:01:37,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:01:37,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:01:37,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:38,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:01:38,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:38,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:01:38,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:38,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 05:01:38,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:38,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:01:38,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:38,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 05:01:38,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:38,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 05:01:38,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:38,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 05:01:38,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:38,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:01:38,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:38,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:01:38,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:38,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:01:38,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:38,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:01:38,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:38,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:01:38,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:38,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 05:01:38,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:38,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:01:38,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:38,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 05:01:38,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:38,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:01:38,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:38,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 05:01:38,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:38,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:01:38,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:38,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 05:01:38,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:38,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:01:38,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:38,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 05:01:38,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:38,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:01:38,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:38,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 05:01:38,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:38,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:01:38,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:38,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 05:01:38,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:38,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:01:38,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:38,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 05:01:38,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:38,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 05:01:38,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:38,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 05:01:38,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:38,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 05:01:38,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:38,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 05:01:38,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:38,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 05:01:38,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:38,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-10 05:01:38,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:38,344 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-10 05:01:38,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:01:38,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796586793] [2024-11-10 05:01:38,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796586793] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:01:38,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:01:38,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 05:01:38,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103174249] [2024-11-10 05:01:38,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:01:38,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 05:01:38,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:01:38,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 05:01:38,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 05:01:38,350 INFO L87 Difference]: Start difference. First operand 196 states and 306 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-10 05:01:38,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:01:38,925 INFO L93 Difference]: Finished difference Result 639 states and 1000 transitions. [2024-11-10 05:01:38,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 05:01:38,926 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 213 [2024-11-10 05:01:38,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:01:38,931 INFO L225 Difference]: With dead ends: 639 [2024-11-10 05:01:38,931 INFO L226 Difference]: Without dead ends: 446 [2024-11-10 05:01:38,933 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 05:01:38,934 INFO L432 NwaCegarLoop]: 324 mSDtfsCounter, 289 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 05:01:38,934 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 557 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 05:01:38,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2024-11-10 05:01:39,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 382. [2024-11-10 05:01:39,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 245 states have (on average 1.3510204081632653) internal successors, (331), 245 states have internal predecessors, (331), 132 states have call successors, (132), 4 states have call predecessors, (132), 4 states have return successors, (132), 132 states have call predecessors, (132), 132 states have call successors, (132) [2024-11-10 05:01:39,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 595 transitions. [2024-11-10 05:01:39,073 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 595 transitions. Word has length 213 [2024-11-10 05:01:39,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:01:39,074 INFO L471 AbstractCegarLoop]: Abstraction has 382 states and 595 transitions. [2024-11-10 05:01:39,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-10 05:01:39,075 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 595 transitions. [2024-11-10 05:01:39,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-10 05:01:39,077 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:01:39,077 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:01:39,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 05:01:39,078 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:01:39,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:01:39,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1626859456, now seen corresponding path program 1 times [2024-11-10 05:01:39,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:01:39,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973759100] [2024-11-10 05:01:39,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:01:39,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:01:39,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:40,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:01:40,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:40,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:01:40,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:40,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 05:01:40,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:40,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:01:40,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:40,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 05:01:40,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:40,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 05:01:40,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:40,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 05:01:40,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:40,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:01:40,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:40,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:01:40,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:40,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:01:40,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:40,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:01:40,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:40,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:01:40,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:40,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 05:01:40,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:40,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:01:40,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:40,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 05:01:40,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:40,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:01:40,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:40,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 05:01:40,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:40,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:01:40,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:40,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 05:01:40,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:40,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:01:40,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:40,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 05:01:40,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:40,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:01:40,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:40,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 05:01:40,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:40,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:01:40,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:40,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 05:01:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:40,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:01:40,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:40,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 05:01:40,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:40,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 05:01:40,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:40,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 05:01:40,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:40,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 05:01:40,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:40,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 05:01:40,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:40,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 05:01:40,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:40,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-10 05:01:40,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:40,442 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-10 05:01:40,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:01:40,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973759100] [2024-11-10 05:01:40,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973759100] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:01:40,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:01:40,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 05:01:40,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604974313] [2024-11-10 05:01:40,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:01:40,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 05:01:40,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:01:40,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 05:01:40,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 05:01:40,446 INFO L87 Difference]: Start difference. First operand 382 states and 595 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-10 05:01:41,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:01:41,834 INFO L93 Difference]: Finished difference Result 1179 states and 1825 transitions. [2024-11-10 05:01:41,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 05:01:41,835 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 213 [2024-11-10 05:01:41,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:01:41,844 INFO L225 Difference]: With dead ends: 1179 [2024-11-10 05:01:41,844 INFO L226 Difference]: Without dead ends: 986 [2024-11-10 05:01:41,846 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-10 05:01:41,847 INFO L432 NwaCegarLoop]: 320 mSDtfsCounter, 554 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 554 SdHoareTripleChecker+Valid, 731 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-10 05:01:41,847 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [554 Valid, 731 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-10 05:01:41,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 986 states. [2024-11-10 05:01:42,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 986 to 506. [2024-11-10 05:01:42,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 327 states have (on average 1.3608562691131498) internal successors, (445), 329 states have internal predecessors, (445), 172 states have call successors, (172), 6 states have call predecessors, (172), 6 states have return successors, (172), 170 states have call predecessors, (172), 172 states have call successors, (172) [2024-11-10 05:01:42,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 789 transitions. [2024-11-10 05:01:42,093 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 789 transitions. Word has length 213 [2024-11-10 05:01:42,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:01:42,094 INFO L471 AbstractCegarLoop]: Abstraction has 506 states and 789 transitions. [2024-11-10 05:01:42,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-10 05:01:42,094 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 789 transitions. [2024-11-10 05:01:42,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-10 05:01:42,097 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:01:42,097 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:01:42,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 05:01:42,097 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:01:42,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:01:42,098 INFO L85 PathProgramCache]: Analyzing trace with hash -119307647, now seen corresponding path program 1 times [2024-11-10 05:01:42,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:01:42,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098228121] [2024-11-10 05:01:42,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:01:42,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:01:42,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:42,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:01:42,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:42,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:01:42,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:42,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 05:01:42,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:42,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:01:42,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:42,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 05:01:42,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:42,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 05:01:42,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:42,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 05:01:42,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:42,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:01:42,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:42,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:01:42,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:42,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:01:42,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:42,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:01:42,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:42,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:01:42,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:42,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 05:01:42,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:42,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:01:42,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:42,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 05:01:42,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:42,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:01:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:42,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 05:01:42,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:42,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:01:42,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:42,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 05:01:42,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:42,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:01:42,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:42,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 05:01:42,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:42,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:01:42,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:42,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 05:01:42,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:42,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:01:42,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:42,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 05:01:42,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:42,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:01:42,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:42,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 05:01:42,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:42,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 05:01:42,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:42,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 05:01:42,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:42,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 05:01:42,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:42,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 05:01:42,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:42,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 05:01:42,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:42,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-10 05:01:42,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:42,460 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-10 05:01:42,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:01:42,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098228121] [2024-11-10 05:01:42,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098228121] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:01:42,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:01:42,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 05:01:42,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262789926] [2024-11-10 05:01:42,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:01:42,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 05:01:42,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:01:42,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 05:01:42,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 05:01:42,465 INFO L87 Difference]: Start difference. First operand 506 states and 789 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-10 05:01:42,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:01:42,696 INFO L93 Difference]: Finished difference Result 1009 states and 1575 transitions. [2024-11-10 05:01:42,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 05:01:42,697 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 213 [2024-11-10 05:01:42,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:01:42,702 INFO L225 Difference]: With dead ends: 1009 [2024-11-10 05:01:42,702 INFO L226 Difference]: Without dead ends: 506 [2024-11-10 05:01:42,704 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 05:01:42,705 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 150 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 05:01:42,705 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 237 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 05:01:42,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2024-11-10 05:01:42,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 506. [2024-11-10 05:01:42,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 327 states have (on average 1.3516819571865444) internal successors, (442), 329 states have internal predecessors, (442), 172 states have call successors, (172), 6 states have call predecessors, (172), 6 states have return successors, (172), 170 states have call predecessors, (172), 172 states have call successors, (172) [2024-11-10 05:01:42,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 786 transitions. [2024-11-10 05:01:42,854 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 786 transitions. Word has length 213 [2024-11-10 05:01:42,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:01:42,855 INFO L471 AbstractCegarLoop]: Abstraction has 506 states and 786 transitions. [2024-11-10 05:01:42,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-10 05:01:42,855 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 786 transitions. [2024-11-10 05:01:42,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-10 05:01:42,858 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:01:42,858 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:01:42,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 05:01:42,858 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:01:42,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:01:42,859 INFO L85 PathProgramCache]: Analyzing trace with hash 784389402, now seen corresponding path program 1 times [2024-11-10 05:01:42,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:01:42,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620646106] [2024-11-10 05:01:42,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:01:42,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:01:42,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:43,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:01:43,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:43,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:01:43,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:43,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 05:01:43,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:43,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:01:43,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:43,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 05:01:43,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:43,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 05:01:43,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:43,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 05:01:43,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:43,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:01:43,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:43,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:01:43,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:43,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:01:43,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:43,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:01:43,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:43,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:01:43,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:43,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 05:01:43,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:43,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:01:43,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:43,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 05:01:43,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:43,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:01:43,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:43,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 05:01:43,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:43,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:01:43,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:43,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 05:01:43,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:43,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:01:43,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:43,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 05:01:43,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:43,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:01:43,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:43,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 05:01:43,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:43,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:01:43,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:43,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 05:01:43,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:43,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:01:43,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:43,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 05:01:43,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:43,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 05:01:43,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:43,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 05:01:43,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:43,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 05:01:43,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:43,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 05:01:43,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:43,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 05:01:43,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:43,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-10 05:01:43,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:43,390 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-10 05:01:43,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:01:43,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620646106] [2024-11-10 05:01:43,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620646106] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:01:43,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:01:43,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 05:01:43,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959877952] [2024-11-10 05:01:43,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:01:43,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 05:01:43,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:01:43,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 05:01:43,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 05:01:43,393 INFO L87 Difference]: Start difference. First operand 506 states and 786 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-10 05:01:43,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:01:43,640 INFO L93 Difference]: Finished difference Result 1070 states and 1663 transitions. [2024-11-10 05:01:43,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 05:01:43,641 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 214 [2024-11-10 05:01:43,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:01:43,648 INFO L225 Difference]: With dead ends: 1070 [2024-11-10 05:01:43,649 INFO L226 Difference]: Without dead ends: 567 [2024-11-10 05:01:43,650 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 05:01:43,651 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 142 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 05:01:43,653 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 303 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 05:01:43,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 567 states. [2024-11-10 05:01:43,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 567 to 506. [2024-11-10 05:01:43,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 327 states have (on average 1.342507645259939) internal successors, (439), 329 states have internal predecessors, (439), 172 states have call successors, (172), 6 states have call predecessors, (172), 6 states have return successors, (172), 170 states have call predecessors, (172), 172 states have call successors, (172) [2024-11-10 05:01:43,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 783 transitions. [2024-11-10 05:01:43,801 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 783 transitions. Word has length 214 [2024-11-10 05:01:43,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:01:43,802 INFO L471 AbstractCegarLoop]: Abstraction has 506 states and 783 transitions. [2024-11-10 05:01:43,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-10 05:01:43,803 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 783 transitions. [2024-11-10 05:01:43,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-10 05:01:43,806 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:01:43,806 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:01:43,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 05:01:43,807 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:01:43,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:01:43,807 INFO L85 PathProgramCache]: Analyzing trace with hash -654103722, now seen corresponding path program 1 times [2024-11-10 05:01:43,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:01:43,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782263523] [2024-11-10 05:01:43,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:01:43,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:01:43,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:45,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:01:45,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:45,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:01:45,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:45,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 05:01:45,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:45,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:01:45,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:45,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 05:01:45,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:45,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 05:01:45,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:45,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 05:01:45,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:45,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:01:45,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:45,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:01:45,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:45,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:01:45,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:45,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:01:45,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:45,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:01:45,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:45,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 05:01:45,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:45,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:01:45,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:45,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 05:01:45,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:45,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:01:45,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:45,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 05:01:45,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:45,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:01:45,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:45,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 05:01:45,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:45,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:01:45,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:45,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 05:01:45,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:45,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:01:45,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:45,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 05:01:45,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:45,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:01:45,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:45,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 05:01:45,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:45,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:01:45,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:45,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 05:01:45,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:45,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 05:01:45,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:45,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 05:01:45,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:45,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 05:01:45,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:45,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 05:01:45,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:45,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 05:01:45,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:45,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-10 05:01:45,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:45,163 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-10 05:01:45,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:01:45,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782263523] [2024-11-10 05:01:45,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1782263523] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:01:45,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:01:45,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 05:01:45,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497391794] [2024-11-10 05:01:45,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:01:45,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 05:01:45,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:01:45,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 05:01:45,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2024-11-10 05:01:45,167 INFO L87 Difference]: Start difference. First operand 506 states and 783 transitions. Second operand has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-10 05:01:46,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:01:46,766 INFO L93 Difference]: Finished difference Result 986 states and 1507 transitions. [2024-11-10 05:01:46,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 05:01:46,767 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 214 [2024-11-10 05:01:46,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:01:46,773 INFO L225 Difference]: With dead ends: 986 [2024-11-10 05:01:46,773 INFO L226 Difference]: Without dead ends: 669 [2024-11-10 05:01:46,774 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=84, Invalid=156, Unknown=0, NotChecked=0, Total=240 [2024-11-10 05:01:46,777 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 389 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 712 mSolverCounterSat, 215 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 389 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 927 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 215 IncrementalHoareTripleChecker+Valid, 712 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-10 05:01:46,778 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [389 Valid, 461 Invalid, 927 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [215 Valid, 712 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-10 05:01:46,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2024-11-10 05:01:46,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 639. [2024-11-10 05:01:46,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 639 states, 418 states have (on average 1.325358851674641) internal successors, (554), 423 states have internal predecessors, (554), 208 states have call successors, (208), 12 states have call predecessors, (208), 12 states have return successors, (208), 203 states have call predecessors, (208), 208 states have call successors, (208) [2024-11-10 05:01:46,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 970 transitions. [2024-11-10 05:01:46,986 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 970 transitions. Word has length 214 [2024-11-10 05:01:46,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:01:46,987 INFO L471 AbstractCegarLoop]: Abstraction has 639 states and 970 transitions. [2024-11-10 05:01:46,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.2) internal successors, (52), 10 states have internal predecessors, (52), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-10 05:01:46,987 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 970 transitions. [2024-11-10 05:01:46,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-10 05:01:46,991 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:01:46,991 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:01:46,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 05:01:46,991 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:01:46,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:01:46,992 INFO L85 PathProgramCache]: Analyzing trace with hash 38613594, now seen corresponding path program 1 times [2024-11-10 05:01:46,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:01:46,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005423363] [2024-11-10 05:01:46,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:01:46,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:01:47,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:47,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:01:47,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:47,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:01:47,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:47,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 05:01:47,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:47,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:01:47,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:47,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 05:01:47,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:47,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 05:01:47,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:47,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 05:01:47,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:47,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:01:47,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:47,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:01:47,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:47,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:01:47,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:47,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:01:47,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:47,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:01:47,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:47,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 05:01:47,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:47,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:01:47,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:47,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 05:01:47,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:47,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:01:47,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:47,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 05:01:47,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:47,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:01:47,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:47,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 05:01:47,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:47,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:01:47,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:47,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 05:01:47,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:47,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:01:47,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:47,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 05:01:47,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:47,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:01:47,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:47,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 05:01:47,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:47,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:01:47,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:47,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 05:01:47,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:47,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 05:01:47,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:47,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 05:01:47,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:47,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 05:01:47,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:47,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 05:01:47,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:47,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 05:01:47,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:47,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-10 05:01:47,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:47,415 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-10 05:01:47,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:01:47,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005423363] [2024-11-10 05:01:47,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005423363] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:01:47,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:01:47,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 05:01:47,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038576351] [2024-11-10 05:01:47,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:01:47,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 05:01:47,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:01:47,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 05:01:47,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 05:01:47,418 INFO L87 Difference]: Start difference. First operand 639 states and 970 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-10 05:01:47,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:01:47,680 INFO L93 Difference]: Finished difference Result 1036 states and 1569 transitions. [2024-11-10 05:01:47,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 05:01:47,681 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 215 [2024-11-10 05:01:47,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:01:47,687 INFO L225 Difference]: With dead ends: 1036 [2024-11-10 05:01:47,687 INFO L226 Difference]: Without dead ends: 614 [2024-11-10 05:01:47,690 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 05:01:47,692 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 41 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 05:01:47,692 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 254 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 05:01:47,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2024-11-10 05:01:47,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 592. [2024-11-10 05:01:47,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 592 states, 383 states have (on average 1.3002610966057442) internal successors, (498), 387 states have internal predecessors, (498), 196 states have call successors, (196), 12 states have call predecessors, (196), 12 states have return successors, (196), 192 states have call predecessors, (196), 196 states have call successors, (196) [2024-11-10 05:01:47,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 890 transitions. [2024-11-10 05:01:47,879 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 890 transitions. Word has length 215 [2024-11-10 05:01:47,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:01:47,880 INFO L471 AbstractCegarLoop]: Abstraction has 592 states and 890 transitions. [2024-11-10 05:01:47,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-10 05:01:47,880 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 890 transitions. [2024-11-10 05:01:47,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-10 05:01:47,883 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:01:47,883 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:01:47,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 05:01:47,883 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:01:47,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:01:47,884 INFO L85 PathProgramCache]: Analyzing trace with hash -2097887238, now seen corresponding path program 1 times [2024-11-10 05:01:47,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:01:47,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126813732] [2024-11-10 05:01:47,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:01:47,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:01:47,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:48,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:01:48,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:48,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:01:48,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:48,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 05:01:48,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:48,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:01:48,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:48,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 05:01:48,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:48,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 05:01:48,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:48,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 05:01:48,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:48,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:01:48,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:48,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:01:48,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:48,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:01:48,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:48,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:01:48,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:48,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:01:48,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:48,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 05:01:48,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:48,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:01:48,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:48,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 05:01:48,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:48,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:01:48,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:48,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 05:01:48,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:48,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:01:48,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:48,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 05:01:48,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:48,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:01:48,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:48,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 05:01:48,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:48,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:01:48,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:48,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 05:01:48,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:48,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:01:48,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:48,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 05:01:48,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:48,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:01:48,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:48,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 05:01:48,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:48,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 05:01:48,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:48,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 05:01:48,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:48,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 05:01:48,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:48,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 05:01:48,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:48,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 05:01:48,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:48,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-10 05:01:48,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:48,818 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-10 05:01:48,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:01:48,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126813732] [2024-11-10 05:01:48,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126813732] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:01:48,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:01:48,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 05:01:48,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807960583] [2024-11-10 05:01:48,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:01:48,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 05:01:48,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:01:48,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 05:01:48,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-10 05:01:48,821 INFO L87 Difference]: Start difference. First operand 592 states and 890 transitions. Second operand has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-10 05:01:49,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:01:49,527 INFO L93 Difference]: Finished difference Result 1081 states and 1622 transitions. [2024-11-10 05:01:49,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 05:01:49,528 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 215 [2024-11-10 05:01:49,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:01:49,536 INFO L225 Difference]: With dead ends: 1081 [2024-11-10 05:01:49,536 INFO L226 Difference]: Without dead ends: 706 [2024-11-10 05:01:49,538 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-10 05:01:49,538 INFO L432 NwaCegarLoop]: 241 mSDtfsCounter, 225 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 05:01:49,538 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 524 Invalid, 330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 05:01:49,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2024-11-10 05:01:49,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 602. [2024-11-10 05:01:49,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 602 states, 393 states have (on average 1.3027989821882953) internal successors, (512), 397 states have internal predecessors, (512), 196 states have call successors, (196), 12 states have call predecessors, (196), 12 states have return successors, (196), 192 states have call predecessors, (196), 196 states have call successors, (196) [2024-11-10 05:01:49,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 904 transitions. [2024-11-10 05:01:49,750 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 904 transitions. Word has length 215 [2024-11-10 05:01:49,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:01:49,752 INFO L471 AbstractCegarLoop]: Abstraction has 602 states and 904 transitions. [2024-11-10 05:01:49,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-10 05:01:49,752 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 904 transitions. [2024-11-10 05:01:49,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-10 05:01:49,754 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:01:49,754 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:01:49,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 05:01:49,755 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:01:49,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:01:49,755 INFO L85 PathProgramCache]: Analyzing trace with hash 159023769, now seen corresponding path program 1 times [2024-11-10 05:01:49,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:01:49,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013843046] [2024-11-10 05:01:49,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:01:49,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:01:49,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:50,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 05:01:50,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:50,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 05:01:50,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:50,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-10 05:01:50,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:50,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 05:01:50,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:50,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 05:01:50,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:50,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 05:01:50,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:50,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 05:01:50,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:50,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 05:01:50,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:50,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 05:01:50,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:50,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 05:01:50,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:50,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 05:01:50,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:50,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 05:01:50,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:50,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 05:01:50,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:50,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 05:01:50,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:50,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 05:01:50,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:50,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-10 05:01:50,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:50,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-10 05:01:50,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:50,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 05:01:50,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:50,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 05:01:50,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:50,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 05:01:50,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:50,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 05:01:50,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:50,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-10 05:01:50,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:50,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 05:01:50,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:50,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-10 05:01:50,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:50,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 05:01:50,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:50,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-10 05:01:50,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:50,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 05:01:50,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:50,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-10 05:01:50,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:50,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-10 05:01:50,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:50,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-10 05:01:50,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:50,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2024-11-10 05:01:50,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:50,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2024-11-10 05:01:50,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:50,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-11-10 05:01:50,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 05:01:50,504 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-11-10 05:01:50,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 05:01:50,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013843046] [2024-11-10 05:01:50,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013843046] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 05:01:50,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 05:01:50,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 05:01:50,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693162588] [2024-11-10 05:01:50,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 05:01:50,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 05:01:50,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 05:01:50,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 05:01:50,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-10 05:01:50,507 INFO L87 Difference]: Start difference. First operand 602 states and 904 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-10 05:01:51,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 05:01:51,424 INFO L93 Difference]: Finished difference Result 1331 states and 2003 transitions. [2024-11-10 05:01:51,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 05:01:51,425 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 215 [2024-11-10 05:01:51,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 05:01:51,431 INFO L225 Difference]: With dead ends: 1331 [2024-11-10 05:01:51,432 INFO L226 Difference]: Without dead ends: 946 [2024-11-10 05:01:51,433 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-10 05:01:51,433 INFO L432 NwaCegarLoop]: 216 mSDtfsCounter, 458 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 300 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 458 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 300 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-10 05:01:51,434 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [458 Valid, 401 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 300 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-10 05:01:51,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 946 states. [2024-11-10 05:01:51,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 946 to 865. [2024-11-10 05:01:51,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 865 states, 544 states have (on average 1.275735294117647) internal successors, (694), 549 states have internal predecessors, (694), 303 states have call successors, (303), 17 states have call predecessors, (303), 17 states have return successors, (303), 298 states have call predecessors, (303), 303 states have call successors, (303) [2024-11-10 05:01:51,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 865 states and 1300 transitions. [2024-11-10 05:01:51,690 INFO L78 Accepts]: Start accepts. Automaton has 865 states and 1300 transitions. Word has length 215 [2024-11-10 05:01:51,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 05:01:51,691 INFO L471 AbstractCegarLoop]: Abstraction has 865 states and 1300 transitions. [2024-11-10 05:01:51,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-10 05:01:51,691 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1300 transitions. [2024-11-10 05:01:51,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-10 05:01:51,694 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 05:01:51,694 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 05:01:51,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 05:01:51,694 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 05:01:51,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 05:01:51,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1512333466, now seen corresponding path program 1 times [2024-11-10 05:01:51,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 05:01:51,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613911500] [2024-11-10 05:01:51,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 05:01:51,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 05:01:51,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat