./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-45.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-45.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 5326c7e78fc5e18ed4f8f1ba81fdcfea4ce5d46591384cd6b4be08f47f5245c7 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 03:00:32,087 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 03:00:32,169 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 03:00:32,174 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 03:00:32,175 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 03:00:32,203 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 03:00:32,204 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 03:00:32,205 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 03:00:32,206 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 03:00:32,207 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 03:00:32,208 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 03:00:32,209 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 03:00:32,209 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 03:00:32,210 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 03:00:32,211 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 03:00:32,212 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 03:00:32,212 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 03:00:32,212 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 03:00:32,213 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 03:00:32,213 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 03:00:32,213 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 03:00:32,216 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 03:00:32,216 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 03:00:32,216 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 03:00:32,217 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 03:00:32,217 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 03:00:32,217 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 03:00:32,218 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 03:00:32,218 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 03:00:32,218 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 03:00:32,218 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 03:00:32,219 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 03:00:32,219 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 03:00:32,219 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 03:00:32,220 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 03:00:32,220 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 03:00:32,220 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 03:00:32,221 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 03:00:32,221 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 03:00:32,221 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 03:00:32,221 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 03:00:32,223 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 03:00:32,223 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5326c7e78fc5e18ed4f8f1ba81fdcfea4ce5d46591384cd6b4be08f47f5245c7 [2024-11-12 03:00:32,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 03:00:32,507 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 03:00:32,513 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 03:00:32,514 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 03:00:32,515 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 03:00:32,516 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-45.i [2024-11-12 03:00:34,033 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 03:00:34,252 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 03:00:34,253 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-45.i [2024-11-12 03:00:34,266 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2807cdaeb/ddbf78527af14fdebf8818786eea9c53/FLAG787bad03a [2024-11-12 03:00:34,279 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2807cdaeb/ddbf78527af14fdebf8818786eea9c53 [2024-11-12 03:00:34,281 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 03:00:34,283 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 03:00:34,285 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 03:00:34,286 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 03:00:34,291 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 03:00:34,292 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 03:00:34" (1/1) ... [2024-11-12 03:00:34,293 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@413c8c58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:00:34, skipping insertion in model container [2024-11-12 03:00:34,293 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 03:00:34" (1/1) ... [2024-11-12 03:00:34,328 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 03:00:34,501 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-45.i[919,932] [2024-11-12 03:00:34,565 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 03:00:34,578 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 03:00:34,588 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-45.i[919,932] [2024-11-12 03:00:34,646 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 03:00:34,673 INFO L204 MainTranslator]: Completed translation [2024-11-12 03:00:34,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:00:34 WrapperNode [2024-11-12 03:00:34,675 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 03:00:34,676 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 03:00:34,677 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 03:00:34,677 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 03:00:34,683 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:00:34" (1/1) ... [2024-11-12 03:00:34,698 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:00:34" (1/1) ... [2024-11-12 03:00:34,738 INFO L138 Inliner]: procedures = 26, calls = 54, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 239 [2024-11-12 03:00:34,739 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 03:00:34,740 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 03:00:34,740 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 03:00:34,740 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 03:00:34,750 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:00:34" (1/1) ... [2024-11-12 03:00:34,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:00:34" (1/1) ... [2024-11-12 03:00:34,755 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:00:34" (1/1) ... [2024-11-12 03:00:34,780 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]. [2024-11-12 03:00:34,780 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:00:34" (1/1) ... [2024-11-12 03:00:34,781 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:00:34" (1/1) ... [2024-11-12 03:00:34,790 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:00:34" (1/1) ... [2024-11-12 03:00:34,794 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:00:34" (1/1) ... [2024-11-12 03:00:34,796 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:00:34" (1/1) ... [2024-11-12 03:00:34,802 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:00:34" (1/1) ... [2024-11-12 03:00:34,810 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 03:00:34,811 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 03:00:34,813 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 03:00:34,813 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 03:00:34,814 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:00:34" (1/1) ... [2024-11-12 03:00:34,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 03:00:34,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 03:00:34,854 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) [2024-11-12 03:00:34,861 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 [2024-11-12 03:00:34,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 03:00:34,913 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 03:00:34,914 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 03:00:34,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 03:00:34,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 03:00:34,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 03:00:35,040 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 03:00:35,043 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 03:00:35,551 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-12 03:00:35,551 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 03:00:35,571 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 03:00:35,573 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 03:00:35,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 03:00:35 BoogieIcfgContainer [2024-11-12 03:00:35,574 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 03:00:35,577 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 03:00:35,577 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 03:00:35,580 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 03:00:35,581 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 03:00:34" (1/3) ... [2024-11-12 03:00:35,582 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1109f6ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 03:00:35, skipping insertion in model container [2024-11-12 03:00:35,582 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:00:34" (2/3) ... [2024-11-12 03:00:35,583 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1109f6ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 03:00:35, skipping insertion in model container [2024-11-12 03:00:35,583 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 03:00:35" (3/3) ... [2024-11-12 03:00:35,584 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-cn_file-45.i [2024-11-12 03:00:35,602 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 03:00:35,602 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 03:00:35,665 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 03:00:35,671 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;@791f152c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 03:00:35,672 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 03:00:35,677 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 63 states have (on average 1.380952380952381) internal successors, (87), 64 states have internal predecessors, (87), 41 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-12 03:00:35,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2024-11-12 03:00:35,694 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:00:35,695 INFO L218 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:00:35,696 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:00:35,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:00:35,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1376965240, now seen corresponding path program 1 times [2024-11-12 03:00:35,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:00:35,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609351654] [2024-11-12 03:00:35,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:00:35,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:00:35,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:00:36,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:00:36,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:00:36,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:00:36,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:00:36,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:00:36,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:00:36,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:00:36,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:00:36,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:00:36,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:00:36,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:00:36,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 03:00:36,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:00:36,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:00:36,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:00:36,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 03:00:36,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:00:36,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 03:00:36,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 03:00:36,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 03:00:36,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 03:00:36,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 03:00:36,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 03:00:36,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 03:00:36,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 03:00:36,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-12 03:00:36,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-12 03:00:36,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-12 03:00:36,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-12 03:00:36,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-12 03:00:36,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-12 03:00:36,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-12 03:00:36,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-12 03:00:36,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-12 03:00:36,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-12 03:00:36,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-12 03:00:36,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-12 03:00:36,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-12 03:00:36,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-12 03:00:36,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-12 03:00:36,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,379 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-11-12 03:00:36,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:00:36,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609351654] [2024-11-12 03:00:36,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609351654] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:00:36,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:00:36,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 03:00:36,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776136971] [2024-11-12 03:00:36,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:00:36,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 03:00:36,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:00:36,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 03:00:36,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 03:00:36,422 INFO L87 Difference]: Start difference. First operand has 107 states, 63 states have (on average 1.380952380952381) internal successors, (87), 64 states have internal predecessors, (87), 41 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) Second operand has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 2 states have call successors, (41) [2024-11-12 03:00:36,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:00:36,473 INFO L93 Difference]: Finished difference Result 207 states and 373 transitions. [2024-11-12 03:00:36,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 03:00:36,477 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 2 states have call successors, (41) Word has length 255 [2024-11-12 03:00:36,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:00:36,489 INFO L225 Difference]: With dead ends: 207 [2024-11-12 03:00:36,489 INFO L226 Difference]: Without dead ends: 103 [2024-11-12 03:00:36,497 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 03:00:36,504 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 03:00:36,506 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 03:00:36,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-11-12 03:00:36,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2024-11-12 03:00:36,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 60 states have (on average 1.3333333333333333) internal successors, (80), 60 states have internal predecessors, (80), 41 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-12 03:00:36,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 162 transitions. [2024-11-12 03:00:36,570 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 162 transitions. Word has length 255 [2024-11-12 03:00:36,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:00:36,572 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 162 transitions. [2024-11-12 03:00:36,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 2 states have call successors, (41) [2024-11-12 03:00:36,574 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 162 transitions. [2024-11-12 03:00:36,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2024-11-12 03:00:36,581 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:00:36,582 INFO L218 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:00:36,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 03:00:36,583 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:00:36,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:00:36,584 INFO L85 PathProgramCache]: Analyzing trace with hash 524619282, now seen corresponding path program 1 times [2024-11-12 03:00:36,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:00:36,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430900001] [2024-11-12 03:00:36,585 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:00:36,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:00:36,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:00:36,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:00:36,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:00:36,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:00:36,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:00:36,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:00:36,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:00:36,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:00:36,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:00:36,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:00:36,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:00:36,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:00:36,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 03:00:36,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:00:36,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:00:36,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:00:36,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 03:00:36,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:00:36,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 03:00:36,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 03:00:36,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 03:00:36,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 03:00:36,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 03:00:36,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 03:00:36,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 03:00:36,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 03:00:36,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-12 03:00:36,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:36,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-12 03:00:37,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-12 03:00:37,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-12 03:00:37,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-12 03:00:37,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-12 03:00:37,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-12 03:00:37,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-12 03:00:37,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-12 03:00:37,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-12 03:00:37,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-12 03:00:37,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-12 03:00:37,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-12 03:00:37,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-12 03:00:37,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-12 03:00:37,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,057 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-11-12 03:00:37,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:00:37,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430900001] [2024-11-12 03:00:37,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430900001] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:00:37,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:00:37,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 03:00:37,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781139427] [2024-11-12 03:00:37,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:00:37,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 03:00:37,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:00:37,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 03:00:37,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 03:00:37,064 INFO L87 Difference]: Start difference. First operand 103 states and 162 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, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-12 03:00:37,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:00:37,131 INFO L93 Difference]: Finished difference Result 300 states and 474 transitions. [2024-11-12 03:00:37,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 03:00:37,133 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, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 255 [2024-11-12 03:00:37,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:00:37,136 INFO L225 Difference]: With dead ends: 300 [2024-11-12 03:00:37,137 INFO L226 Difference]: Without dead ends: 200 [2024-11-12 03:00:37,138 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 03:00:37,139 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 151 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 03:00:37,139 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 311 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 03:00:37,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2024-11-12 03:00:37,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 198. [2024-11-12 03:00:37,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 113 states have (on average 1.3008849557522124) internal successors, (147), 113 states have internal predecessors, (147), 82 states have call successors, (82), 2 states have call predecessors, (82), 2 states have return successors, (82), 82 states have call predecessors, (82), 82 states have call successors, (82) [2024-11-12 03:00:37,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 311 transitions. [2024-11-12 03:00:37,170 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 311 transitions. Word has length 255 [2024-11-12 03:00:37,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:00:37,172 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 311 transitions. [2024-11-12 03:00:37,172 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, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-12 03:00:37,172 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 311 transitions. [2024-11-12 03:00:37,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2024-11-12 03:00:37,176 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:00:37,176 INFO L218 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:00:37,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 03:00:37,176 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:00:37,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:00:37,177 INFO L85 PathProgramCache]: Analyzing trace with hash 183277110, now seen corresponding path program 1 times [2024-11-12 03:00:37,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:00:37,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694961578] [2024-11-12 03:00:37,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:00:37,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:00:37,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:00:37,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:00:37,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:00:37,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:00:37,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:00:37,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:00:37,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:00:37,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:00:37,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:00:37,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:00:37,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:00:37,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:00:37,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 03:00:37,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:00:37,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:00:37,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:00:37,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 03:00:37,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:00:37,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 03:00:37,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 03:00:37,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 03:00:37,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 03:00:37,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 03:00:37,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 03:00:37,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 03:00:37,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 03:00:37,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-12 03:00:37,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-12 03:00:37,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-12 03:00:37,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-12 03:00:37,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-12 03:00:37,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-12 03:00:37,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-12 03:00:37,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-12 03:00:37,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-12 03:00:37,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-12 03:00:37,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-12 03:00:37,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-12 03:00:37,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-12 03:00:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-12 03:00:37,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-12 03:00:37,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:37,504 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-11-12 03:00:37,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:00:37,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694961578] [2024-11-12 03:00:37,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694961578] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:00:37,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:00:37,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 03:00:37,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665739181] [2024-11-12 03:00:37,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:00:37,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 03:00:37,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:00:37,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 03:00:37,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 03:00:37,508 INFO L87 Difference]: Start difference. First operand 198 states and 311 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-12 03:00:37,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:00:37,576 INFO L93 Difference]: Finished difference Result 477 states and 746 transitions. [2024-11-12 03:00:37,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 03:00:37,577 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 256 [2024-11-12 03:00:37,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:00:37,582 INFO L225 Difference]: With dead ends: 477 [2024-11-12 03:00:37,582 INFO L226 Difference]: Without dead ends: 282 [2024-11-12 03:00:37,586 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 03:00:37,587 INFO L435 NwaCegarLoop]: 175 mSDtfsCounter, 67 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 03:00:37,587 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 321 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 03:00:37,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2024-11-12 03:00:37,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 278. [2024-11-12 03:00:37,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 159 states have (on average 1.2893081761006289) internal successors, (205), 161 states have internal predecessors, (205), 114 states have call successors, (114), 4 states have call predecessors, (114), 4 states have return successors, (114), 112 states have call predecessors, (114), 114 states have call successors, (114) [2024-11-12 03:00:37,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 433 transitions. [2024-11-12 03:00:37,639 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 433 transitions. Word has length 256 [2024-11-12 03:00:37,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:00:37,641 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 433 transitions. [2024-11-12 03:00:37,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-12 03:00:37,641 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 433 transitions. [2024-11-12 03:00:37,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2024-11-12 03:00:37,645 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:00:37,645 INFO L218 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:00:37,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 03:00:37,651 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:00:37,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:00:37,652 INFO L85 PathProgramCache]: Analyzing trace with hash 441442548, now seen corresponding path program 1 times [2024-11-12 03:00:37,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:00:37,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96407500] [2024-11-12 03:00:37,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:00:37,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:00:37,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:54,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:00:54,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:54,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:00:54,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:54,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:00:54,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:54,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:00:54,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:54,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:00:54,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:54,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:00:54,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:54,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:00:54,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:54,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:00:54,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:54,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:00:54,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:54,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:00:54,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:54,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:00:54,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:54,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:00:54,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:54,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 03:00:54,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:54,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:00:54,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:54,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:00:54,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:54,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:00:54,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:54,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 03:00:54,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:54,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:00:54,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:54,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 03:00:54,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:54,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 03:00:54,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:54,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 03:00:54,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:54,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 03:00:54,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:54,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 03:00:54,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:54,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 03:00:54,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:54,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 03:00:54,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:54,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 03:00:54,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:54,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-12 03:00:54,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:54,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-12 03:00:54,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:54,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-12 03:00:54,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:54,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-12 03:00:54,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:54,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-12 03:00:54,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:54,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-12 03:00:54,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:54,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-12 03:00:54,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:54,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-12 03:00:54,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:54,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-12 03:00:54,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:54,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-12 03:00:54,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:54,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-12 03:00:54,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:54,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-12 03:00:54,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:54,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-12 03:00:54,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:54,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-12 03:00:54,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:54,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-12 03:00:54,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:54,644 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-11-12 03:00:54,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:00:54,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96407500] [2024-11-12 03:00:54,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96407500] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:00:54,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:00:54,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 03:00:54,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952314605] [2024-11-12 03:00:54,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:00:54,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 03:00:54,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:00:54,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 03:00:54,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-12 03:00:54,647 INFO L87 Difference]: Start difference. First operand 278 states and 433 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-12 03:00:55,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:00:55,416 INFO L93 Difference]: Finished difference Result 830 states and 1272 transitions. [2024-11-12 03:00:55,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 03:00:55,418 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 256 [2024-11-12 03:00:55,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:00:55,427 INFO L225 Difference]: With dead ends: 830 [2024-11-12 03:00:55,428 INFO L226 Difference]: Without dead ends: 555 [2024-11-12 03:00:55,430 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-12 03:00:55,433 INFO L435 NwaCegarLoop]: 221 mSDtfsCounter, 135 mSDsluCounter, 461 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 682 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-12 03:00:55,434 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 682 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-12 03:00:55,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2024-11-12 03:00:55,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 424. [2024-11-12 03:00:55,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 269 states have (on average 1.338289962825279) internal successors, (360), 275 states have internal predecessors, (360), 146 states have call successors, (146), 8 states have call predecessors, (146), 8 states have return successors, (146), 140 states have call predecessors, (146), 146 states have call successors, (146) [2024-11-12 03:00:55,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 652 transitions. [2024-11-12 03:00:55,535 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 652 transitions. Word has length 256 [2024-11-12 03:00:55,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:00:55,536 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 652 transitions. [2024-11-12 03:00:55,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-12 03:00:55,536 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 652 transitions. [2024-11-12 03:00:55,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2024-11-12 03:00:55,540 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:00:55,540 INFO L218 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:00:55,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 03:00:55,541 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:00:55,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:00:55,541 INFO L85 PathProgramCache]: Analyzing trace with hash -579625806, now seen corresponding path program 1 times [2024-11-12 03:00:55,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:00:55,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842305541] [2024-11-12 03:00:55,542 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:00:55,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:00:55,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:57,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:00:57,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:57,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:00:57,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:57,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:00:57,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:57,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:00:57,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:57,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:00:57,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:57,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:00:57,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:57,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:00:57,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:57,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:00:57,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:57,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:00:57,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:57,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:00:57,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:57,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:00:57,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:57,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:00:57,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:57,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 03:00:57,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:57,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:00:57,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:57,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:00:57,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:57,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:00:57,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:57,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 03:00:57,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:57,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:00:57,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:57,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 03:00:57,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:57,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 03:00:57,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:57,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 03:00:57,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:57,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 03:00:57,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:57,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 03:00:57,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:57,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 03:00:57,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:57,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 03:00:57,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:57,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 03:00:57,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:57,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-12 03:00:57,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:57,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-12 03:00:57,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:57,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-12 03:00:57,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:57,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-12 03:00:57,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:57,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-12 03:00:57,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:57,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-12 03:00:57,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:57,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-12 03:00:57,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:57,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-12 03:00:57,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:57,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-12 03:00:57,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:57,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-12 03:00:57,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:57,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-12 03:00:57,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:57,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-12 03:00:57,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:57,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-12 03:00:57,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:57,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-12 03:00:57,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:57,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-12 03:00:57,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:57,776 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-11-12 03:00:57,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:00:57,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842305541] [2024-11-12 03:00:57,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842305541] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:00:57,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:00:57,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 03:00:57,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596401539] [2024-11-12 03:00:57,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:00:57,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 03:00:57,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:00:57,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 03:00:57,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-12 03:00:57,780 INFO L87 Difference]: Start difference. First operand 424 states and 652 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-12 03:00:58,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:00:58,153 INFO L93 Difference]: Finished difference Result 976 states and 1490 transitions. [2024-11-12 03:00:58,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 03:00:58,154 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 256 [2024-11-12 03:00:58,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:00:58,159 INFO L225 Difference]: With dead ends: 976 [2024-11-12 03:00:58,159 INFO L226 Difference]: Without dead ends: 555 [2024-11-12 03:00:58,161 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-12 03:00:58,165 INFO L435 NwaCegarLoop]: 226 mSDtfsCounter, 154 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 03:00:58,168 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 548 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 03:00:58,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 555 states. [2024-11-12 03:00:58,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 555 to 419. [2024-11-12 03:00:58,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 264 states have (on average 1.3371212121212122) internal successors, (353), 270 states have internal predecessors, (353), 146 states have call successors, (146), 8 states have call predecessors, (146), 8 states have return successors, (146), 140 states have call predecessors, (146), 146 states have call successors, (146) [2024-11-12 03:00:58,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 645 transitions. [2024-11-12 03:00:58,258 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 645 transitions. Word has length 256 [2024-11-12 03:00:58,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:00:58,259 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 645 transitions. [2024-11-12 03:00:58,259 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-12 03:00:58,259 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 645 transitions. [2024-11-12 03:00:58,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2024-11-12 03:00:58,262 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:00:58,262 INFO L218 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:00:58,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 03:00:58,263 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:00:58,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:00:58,263 INFO L85 PathProgramCache]: Analyzing trace with hash 2084302332, now seen corresponding path program 1 times [2024-11-12 03:00:58,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:00:58,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261435223] [2024-11-12 03:00:58,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:00:58,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:00:58,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:58,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:00:58,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:58,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:00:58,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:58,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 03:00:58,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:58,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:00:58,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:58,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 03:00:58,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:58,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 03:00:58,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:58,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 03:00:58,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:58,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:00:58,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:58,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:00:58,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:58,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:00:58,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:58,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:00:58,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:58,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:00:58,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:58,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 03:00:58,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:58,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:00:58,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:58,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:00:58,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:58,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:00:58,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:58,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 03:00:58,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:58,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:00:58,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:58,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 03:00:58,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:58,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 03:00:58,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:58,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-12 03:00:58,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:58,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-12 03:00:58,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:58,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 03:00:58,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:58,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 03:00:58,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:58,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-12 03:00:58,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:58,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 03:00:58,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:58,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-12 03:00:58,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:58,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-12 03:00:58,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:58,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-11-12 03:00:58,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:58,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-11-12 03:00:58,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:58,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-11-12 03:00:58,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:58,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-11-12 03:00:58,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:58,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-11-12 03:00:58,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:58,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-11-12 03:00:58,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:58,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-11-12 03:00:58,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:58,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-12 03:00:58,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:58,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-12 03:00:58,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:58,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-11-12 03:00:58,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:58,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2024-11-12 03:00:58,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:58,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2024-11-12 03:00:58,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:58,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-11-12 03:00:58,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:00:58,570 INFO L134 CoverageAnalysis]: Checked inductivity of 3280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3280 trivial. 0 not checked. [2024-11-12 03:00:58,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:00:58,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261435223] [2024-11-12 03:00:58,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261435223] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:00:58,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:00:58,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 03:00:58,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455846934] [2024-11-12 03:00:58,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:00:58,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 03:00:58,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:00:58,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 03:00:58,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 03:00:58,574 INFO L87 Difference]: Start difference. First operand 419 states and 645 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-12 03:00:58,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:00:58,738 INFO L93 Difference]: Finished difference Result 1251 states and 1929 transitions. [2024-11-12 03:00:58,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 03:00:58,739 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 256 [2024-11-12 03:00:58,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:00:58,747 INFO L225 Difference]: With dead ends: 1251 [2024-11-12 03:00:58,748 INFO L226 Difference]: Without dead ends: 835 [2024-11-12 03:00:58,751 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 03:00:58,753 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 72 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 03:00:58,755 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 314 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 03:00:58,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2024-11-12 03:00:58,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 829. [2024-11-12 03:00:58,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 829 states, 520 states have (on average 1.3192307692307692) internal successors, (686), 532 states have internal predecessors, (686), 292 states have call successors, (292), 16 states have call predecessors, (292), 16 states have return successors, (292), 280 states have call predecessors, (292), 292 states have call successors, (292) [2024-11-12 03:00:58,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 829 states and 1270 transitions. [2024-11-12 03:00:58,974 INFO L78 Accepts]: Start accepts. Automaton has 829 states and 1270 transitions. Word has length 256 [2024-11-12 03:00:58,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:00:58,975 INFO L471 AbstractCegarLoop]: Abstraction has 829 states and 1270 transitions. [2024-11-12 03:00:58,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2024-11-12 03:00:58,975 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1270 transitions. [2024-11-12 03:00:58,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2024-11-12 03:00:58,978 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:00:58,978 INFO L218 NwaCegarLoop]: trace histogram [41, 41, 41, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 03:00:58,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 03:00:58,979 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:00:58,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:00:58,979 INFO L85 PathProgramCache]: Analyzing trace with hash 2027044030, now seen corresponding path program 1 times [2024-11-12 03:00:58,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:00:58,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971070945] [2024-11-12 03:00:58,980 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:00:58,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:00:59,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat