./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-98.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-co_file-98.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 80aae2ad32bbd18df771bc42cd903a50a1ddb8d4ac852d86db2bbfcc1abb0bc7 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 03:18:03,289 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 03:18:03,359 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 03:18:03,364 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 03:18:03,365 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 03:18:03,382 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 03:18:03,383 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 03:18:03,383 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 03:18:03,383 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 03:18:03,384 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 03:18:03,384 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 03:18:03,384 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 03:18:03,385 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 03:18:03,385 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 03:18:03,385 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 03:18:03,385 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 03:18:03,389 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 03:18:03,389 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 03:18:03,390 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 03:18:03,390 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 03:18:03,393 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 03:18:03,393 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 03:18:03,394 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 03:18:03,394 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 03:18:03,394 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 03:18:03,394 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 03:18:03,394 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 03:18:03,394 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 03:18:03,395 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 03:18:03,395 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 03:18:03,395 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 03:18:03,395 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 03:18:03,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 03:18:03,395 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 03:18:03,396 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 03:18:03,396 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 03:18:03,396 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 03:18:03,396 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 03:18:03,396 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 03:18:03,396 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 03:18:03,396 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 03:18:03,397 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 03:18:03,397 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80aae2ad32bbd18df771bc42cd903a50a1ddb8d4ac852d86db2bbfcc1abb0bc7 [2024-11-12 03:18:03,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 03:18:03,621 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 03:18:03,623 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 03:18:03,624 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 03:18:03,624 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 03:18:03,625 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-98.i [2024-11-12 03:18:04,867 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 03:18:05,032 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 03:18:05,032 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-98.i [2024-11-12 03:18:05,044 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46c60a02c/a85355527b354a14b54c56df2becfc62/FLAG736025adc [2024-11-12 03:18:05,055 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46c60a02c/a85355527b354a14b54c56df2becfc62 [2024-11-12 03:18:05,057 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 03:18:05,058 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 03:18:05,059 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 03:18:05,059 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 03:18:05,063 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 03:18:05,065 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 03:18:05" (1/1) ... [2024-11-12 03:18:05,065 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d446995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:18:05, skipping insertion in model container [2024-11-12 03:18:05,065 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 03:18:05" (1/1) ... [2024-11-12 03:18:05,093 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 03:18:05,231 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-co_file-98.i[919,932] [2024-11-12 03:18:05,303 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 03:18:05,312 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 03:18:05,321 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-co_file-98.i[919,932] [2024-11-12 03:18:05,346 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 03:18:05,368 INFO L204 MainTranslator]: Completed translation [2024-11-12 03:18:05,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:18:05 WrapperNode [2024-11-12 03:18:05,369 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 03:18:05,370 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 03:18:05,371 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 03:18:05,371 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 03:18:05,376 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:18:05" (1/1) ... [2024-11-12 03:18:05,384 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:18:05" (1/1) ... [2024-11-12 03:18:05,420 INFO L138 Inliner]: procedures = 26, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 248 [2024-11-12 03:18:05,421 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 03:18:05,421 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 03:18:05,422 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 03:18:05,422 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 03:18:05,430 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:18:05" (1/1) ... [2024-11-12 03:18:05,430 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:18:05" (1/1) ... [2024-11-12 03:18:05,433 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:18:05" (1/1) ... [2024-11-12 03:18:05,460 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 03:18:05,460 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:18:05" (1/1) ... [2024-11-12 03:18:05,462 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:18:05" (1/1) ... [2024-11-12 03:18:05,476 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:18:05" (1/1) ... [2024-11-12 03:18:05,484 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:18:05" (1/1) ... [2024-11-12 03:18:05,487 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:18:05" (1/1) ... [2024-11-12 03:18:05,489 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:18:05" (1/1) ... [2024-11-12 03:18:05,500 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 03:18:05,501 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 03:18:05,504 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 03:18:05,504 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 03:18:05,505 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:18:05" (1/1) ... [2024-11-12 03:18:05,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 03:18:05,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 03:18:05,531 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 03:18:05,533 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 03:18:05,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 03:18:05,567 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 03:18:05,568 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 03:18:05,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 03:18:05,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 03:18:05,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 03:18:05,658 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 03:18:05,660 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 03:18:06,009 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-12 03:18:06,009 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 03:18:06,049 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 03:18:06,053 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 03:18:06,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 03:18:06 BoogieIcfgContainer [2024-11-12 03:18:06,053 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 03:18:06,055 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 03:18:06,055 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 03:18:06,058 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 03:18:06,058 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 03:18:05" (1/3) ... [2024-11-12 03:18:06,059 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9ec3fc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 03:18:06, skipping insertion in model container [2024-11-12 03:18:06,060 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 03:18:05" (2/3) ... [2024-11-12 03:18:06,060 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9ec3fc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 03:18:06, skipping insertion in model container [2024-11-12 03:18:06,060 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 03:18:06" (3/3) ... [2024-11-12 03:18:06,061 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-98.i [2024-11-12 03:18:06,073 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 03:18:06,074 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 03:18:06,118 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 03:18:06,123 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;@4cc08497, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 03:18:06,123 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 03:18:06,126 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 69 states have (on average 1.434782608695652) internal successors, (99), 70 states have internal predecessors, (99), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-12 03:18:06,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-11-12 03:18:06,140 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:18:06,141 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:18:06,141 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:18:06,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:18:06,146 INFO L85 PathProgramCache]: Analyzing trace with hash -196601428, now seen corresponding path program 1 times [2024-11-12 03:18:06,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:18:06,153 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072016630] [2024-11-12 03:18:06,153 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:18:06,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:18:06,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:06,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:18:06,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:06,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:18:06,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:06,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 03:18:06,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:06,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:18:06,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:06,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 03:18:06,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:06,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-12 03:18:06,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:06,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 03:18:06,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:06,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:18:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:06,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:18:06,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:06,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:18:06,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:06,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:18:06,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:06,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:18:06,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:06,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 03:18:06,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:06,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:18:06,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:06,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:18:06,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:06,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:18:06,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:06,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 03:18:06,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:06,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:18:06,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:06,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 03:18:06,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:06,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:18:06,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:06,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 03:18:06,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:06,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:18:06,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:06,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 03:18:06,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:06,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 03:18:06,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:06,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 03:18:06,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:06,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 03:18:06,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:06,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 03:18:06,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:06,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 03:18:06,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:06,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 03:18:06,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:06,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 03:18:06,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:06,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 03:18:06,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:06,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 03:18:06,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:06,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-12 03:18:06,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:06,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-12 03:18:06,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:06,616 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-12 03:18:06,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:18:06,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072016630] [2024-11-12 03:18:06,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072016630] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:18:06,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:18:06,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 03:18:06,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968619725] [2024-11-12 03:18:06,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:18:06,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 03:18:06,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:18:06,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 03:18:06,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 03:18:06,647 INFO L87 Difference]: Start difference. First operand has 106 states, 69 states have (on average 1.434782608695652) internal successors, (99), 70 states have internal predecessors, (99), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-12 03:18:06,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:18:06,675 INFO L93 Difference]: Finished difference Result 203 states and 359 transitions. [2024-11-12 03:18:06,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 03:18:06,679 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) Word has length 217 [2024-11-12 03:18:06,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:18:06,685 INFO L225 Difference]: With dead ends: 203 [2024-11-12 03:18:06,685 INFO L226 Difference]: Without dead ends: 100 [2024-11-12 03:18:06,690 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 104 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 03:18:06,694 INFO L435 NwaCegarLoop]: 155 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, 155 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 03:18:06,695 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 03:18:06,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-11-12 03:18:06,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2024-11-12 03:18:06,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 64 states have (on average 1.359375) internal successors, (87), 64 states have internal predecessors, (87), 34 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-12 03:18:06,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 155 transitions. [2024-11-12 03:18:06,736 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 155 transitions. Word has length 217 [2024-11-12 03:18:06,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:18:06,737 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 155 transitions. [2024-11-12 03:18:06,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-12 03:18:06,737 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 155 transitions. [2024-11-12 03:18:06,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-11-12 03:18:06,740 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:18:06,741 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:18:06,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 03:18:06,741 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:18:06,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:18:06,742 INFO L85 PathProgramCache]: Analyzing trace with hash 168014700, now seen corresponding path program 1 times [2024-11-12 03:18:06,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:18:06,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592120116] [2024-11-12 03:18:06,742 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:18:06,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:18:06,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:08,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:18:08,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:08,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:18:08,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:08,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 03:18:08,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:08,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:18:08,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:08,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 03:18:08,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:08,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-12 03:18:08,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:08,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 03:18:08,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:08,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:18:08,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:08,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:18:08,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:08,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:18:08,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:08,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:18:08,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:08,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:18:08,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:08,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 03:18:08,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:08,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:18:08,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:08,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:18:08,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:08,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:18:08,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:08,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 03:18:08,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:08,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:18:08,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:08,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 03:18:08,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:08,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:18:08,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:08,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 03:18:08,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:08,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:18:08,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:08,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 03:18:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:08,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 03:18:08,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:08,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 03:18:08,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:08,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 03:18:08,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:08,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 03:18:08,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:08,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 03:18:08,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:08,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 03:18:08,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:08,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 03:18:08,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:08,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 03:18:08,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:08,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 03:18:08,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:08,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-12 03:18:08,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:08,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-12 03:18:08,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:08,158 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-12 03:18:08,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:18:08,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592120116] [2024-11-12 03:18:08,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592120116] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:18:08,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:18:08,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 03:18:08,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775664497] [2024-11-12 03:18:08,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:18:08,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 03:18:08,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:18:08,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 03:18:08,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-12 03:18:08,164 INFO L87 Difference]: Start difference. First operand 100 states and 155 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 03:18:08,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:18:08,759 INFO L93 Difference]: Finished difference Result 353 states and 551 transitions. [2024-11-12 03:18:08,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 03:18:08,760 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 217 [2024-11-12 03:18:08,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:18:08,765 INFO L225 Difference]: With dead ends: 353 [2024-11-12 03:18:08,766 INFO L226 Difference]: Without dead ends: 256 [2024-11-12 03:18:08,767 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-12 03:18:08,769 INFO L435 NwaCegarLoop]: 319 mSDtfsCounter, 305 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 03:18:08,769 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 543 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 03:18:08,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2024-11-12 03:18:08,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 193. [2024-11-12 03:18:08,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 122 states have (on average 1.319672131147541) internal successors, (161), 122 states have internal predecessors, (161), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-12 03:18:08,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 297 transitions. [2024-11-12 03:18:08,814 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 297 transitions. Word has length 217 [2024-11-12 03:18:08,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:18:08,815 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 297 transitions. [2024-11-12 03:18:08,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 03:18:08,815 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 297 transitions. [2024-11-12 03:18:08,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2024-11-12 03:18:08,818 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:18:08,818 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:18:08,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 03:18:08,818 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:18:08,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:18:08,818 INFO L85 PathProgramCache]: Analyzing trace with hash -1520929042, now seen corresponding path program 1 times [2024-11-12 03:18:08,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:18:08,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978888877] [2024-11-12 03:18:08,819 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:18:08,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:18:08,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:18:09,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:18:09,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 03:18:09,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:18:09,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 03:18:09,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-12 03:18:09,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 03:18:09,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:18:09,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:18:09,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:18:09,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:18:09,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:18:09,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 03:18:09,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:18:09,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:18:09,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:18:09,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 03:18:09,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:18:09,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 03:18:09,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:18:09,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 03:18:09,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:18:09,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 03:18:09,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 03:18:09,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 03:18:09,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 03:18:09,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 03:18:09,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 03:18:09,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 03:18:09,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 03:18:09,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 03:18:09,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 03:18:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-12 03:18:09,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-12 03:18:09,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,157 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-12 03:18:09,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:18:09,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978888877] [2024-11-12 03:18:09,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978888877] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:18:09,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:18:09,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 03:18:09,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424458531] [2024-11-12 03:18:09,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:18:09,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 03:18:09,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:18:09,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 03:18:09,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 03:18:09,159 INFO L87 Difference]: Start difference. First operand 193 states and 297 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 03:18:09,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:18:09,261 INFO L93 Difference]: Finished difference Result 383 states and 591 transitions. [2024-11-12 03:18:09,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 03:18:09,262 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 217 [2024-11-12 03:18:09,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:18:09,266 INFO L225 Difference]: With dead ends: 383 [2024-11-12 03:18:09,266 INFO L226 Difference]: Without dead ends: 193 [2024-11-12 03:18:09,267 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 03:18:09,269 INFO L435 NwaCegarLoop]: 126 mSDtfsCounter, 145 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 03:18:09,269 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 240 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 03:18:09,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2024-11-12 03:18:09,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2024-11-12 03:18:09,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 122 states have (on average 1.3114754098360655) internal successors, (160), 122 states have internal predecessors, (160), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-12 03:18:09,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 296 transitions. [2024-11-12 03:18:09,300 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 296 transitions. Word has length 217 [2024-11-12 03:18:09,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:18:09,300 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 296 transitions. [2024-11-12 03:18:09,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 03:18:09,301 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 296 transitions. [2024-11-12 03:18:09,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2024-11-12 03:18:09,303 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:18:09,303 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:18:09,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 03:18:09,303 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:18:09,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:18:09,304 INFO L85 PathProgramCache]: Analyzing trace with hash 2018340003, now seen corresponding path program 1 times [2024-11-12 03:18:09,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:18:09,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647370915] [2024-11-12 03:18:09,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:18:09,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:18:09,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:18:09,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:18:09,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 03:18:09,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:18:09,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 03:18:09,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-12 03:18:09,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 03:18:09,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:18:09,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:18:09,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:18:09,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:18:09,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:18:09,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 03:18:09,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:18:09,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:18:09,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:18:09,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 03:18:09,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:18:09,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 03:18:09,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:18:09,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 03:18:09,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:18:09,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 03:18:09,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 03:18:09,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 03:18:09,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 03:18:09,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 03:18:09,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 03:18:09,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 03:18:09,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 03:18:09,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 03:18:09,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 03:18:09,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-12 03:18:09,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-12 03:18:09,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:09,620 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-12 03:18:09,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:18:09,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647370915] [2024-11-12 03:18:09,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647370915] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:18:09,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:18:09,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 03:18:09,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084660758] [2024-11-12 03:18:09,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:18:09,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 03:18:09,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:18:09,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 03:18:09,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-12 03:18:09,623 INFO L87 Difference]: Start difference. First operand 193 states and 296 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 03:18:09,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:18:09,923 INFO L93 Difference]: Finished difference Result 463 states and 715 transitions. [2024-11-12 03:18:09,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 03:18:09,924 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 218 [2024-11-12 03:18:09,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:18:09,926 INFO L225 Difference]: With dead ends: 463 [2024-11-12 03:18:09,926 INFO L226 Difference]: Without dead ends: 273 [2024-11-12 03:18:09,927 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-12 03:18:09,928 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 148 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 03:18:09,928 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 459 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 03:18:09,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2024-11-12 03:18:09,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 192. [2024-11-12 03:18:09,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 121 states have (on average 1.3140495867768596) internal successors, (159), 121 states have internal predecessors, (159), 68 states have call successors, (68), 2 states have call predecessors, (68), 2 states have return successors, (68), 68 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-12 03:18:09,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 295 transitions. [2024-11-12 03:18:09,966 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 295 transitions. Word has length 218 [2024-11-12 03:18:09,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:18:09,966 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 295 transitions. [2024-11-12 03:18:09,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 03:18:09,967 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 295 transitions. [2024-11-12 03:18:09,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2024-11-12 03:18:09,968 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:18:09,969 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:18:09,969 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 03:18:09,969 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:18:09,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:18:09,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1964946275, now seen corresponding path program 1 times [2024-11-12 03:18:09,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:18:09,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222938359] [2024-11-12 03:18:09,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:18:09,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:18:10,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:10,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:18:10,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:10,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:18:10,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:10,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 03:18:10,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:10,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:18:10,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:10,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 03:18:10,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:10,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-12 03:18:10,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:10,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 03:18:10,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:10,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:18:10,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:10,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:18:10,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:10,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:18:10,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:10,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:18:10,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:10,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:18:10,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:10,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 03:18:10,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:10,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:18:10,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:10,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:18:10,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:10,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:18:10,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:10,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 03:18:10,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:10,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:18:10,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:10,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 03:18:10,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:10,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:18:10,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:10,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 03:18:10,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:10,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:18:10,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:10,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 03:18:10,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:10,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 03:18:10,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:10,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 03:18:10,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:10,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 03:18:10,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:10,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 03:18:10,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:10,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 03:18:10,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:10,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 03:18:10,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:10,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 03:18:10,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:10,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 03:18:10,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:10,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 03:18:10,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:10,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-12 03:18:10,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:10,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-12 03:18:10,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:10,401 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-12 03:18:10,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:18:10,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222938359] [2024-11-12 03:18:10,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222938359] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:18:10,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:18:10,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 03:18:10,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249574203] [2024-11-12 03:18:10,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:18:10,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 03:18:10,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:18:10,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 03:18:10,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-12 03:18:10,403 INFO L87 Difference]: Start difference. First operand 192 states and 295 transitions. Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 03:18:11,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:18:11,022 INFO L93 Difference]: Finished difference Result 574 states and 887 transitions. [2024-11-12 03:18:11,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 03:18:11,022 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 218 [2024-11-12 03:18:11,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:18:11,025 INFO L225 Difference]: With dead ends: 574 [2024-11-12 03:18:11,025 INFO L226 Difference]: Without dead ends: 385 [2024-11-12 03:18:11,028 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2024-11-12 03:18:11,029 INFO L435 NwaCegarLoop]: 255 mSDtfsCounter, 182 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 611 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 669 SdHoareTripleChecker+Invalid, 680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 03:18:11,029 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 669 Invalid, 680 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 611 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 03:18:11,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2024-11-12 03:18:11,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 381. [2024-11-12 03:18:11,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 240 states have (on average 1.3166666666666667) internal successors, (316), 240 states have internal predecessors, (316), 136 states have call successors, (136), 4 states have call predecessors, (136), 4 states have return successors, (136), 136 states have call predecessors, (136), 136 states have call successors, (136) [2024-11-12 03:18:11,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 588 transitions. [2024-11-12 03:18:11,089 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 588 transitions. Word has length 218 [2024-11-12 03:18:11,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:18:11,090 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 588 transitions. [2024-11-12 03:18:11,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 03:18:11,090 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 588 transitions. [2024-11-12 03:18:11,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-11-12 03:18:11,091 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:18:11,091 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:18:11,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 03:18:11,092 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:18:11,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:18:11,092 INFO L85 PathProgramCache]: Analyzing trace with hash -383076397, now seen corresponding path program 1 times [2024-11-12 03:18:11,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:18:11,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450359805] [2024-11-12 03:18:11,093 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:18:11,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:18:11,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:11,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:18:11,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:11,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:18:11,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:11,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 03:18:11,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:11,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:18:11,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:11,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 03:18:11,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:11,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-12 03:18:11,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:11,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 03:18:11,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:11,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:18:11,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:11,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:18:11,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:11,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:18:11,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:11,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:18:11,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:11,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:18:11,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:11,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 03:18:11,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:11,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:18:11,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:11,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:18:11,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:11,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:18:11,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:11,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 03:18:11,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:11,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:18:11,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:11,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 03:18:11,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:11,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:18:11,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:11,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 03:18:11,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:11,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:18:11,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:11,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 03:18:11,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:11,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 03:18:11,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:11,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 03:18:11,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:11,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 03:18:11,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:11,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 03:18:11,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:11,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 03:18:11,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:11,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 03:18:11,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:11,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 03:18:11,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:11,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 03:18:11,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:11,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 03:18:11,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:11,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-12 03:18:11,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:11,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-12 03:18:11,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:11,211 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-12 03:18:11,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:18:11,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450359805] [2024-11-12 03:18:11,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450359805] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:18:11,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:18:11,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 03:18:11,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211255987] [2024-11-12 03:18:11,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:18:11,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 03:18:11,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:18:11,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 03:18:11,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 03:18:11,213 INFO L87 Difference]: Start difference. First operand 381 states and 588 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 03:18:11,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:18:11,474 INFO L93 Difference]: Finished difference Result 871 states and 1334 transitions. [2024-11-12 03:18:11,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 03:18:11,475 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 219 [2024-11-12 03:18:11,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:18:11,478 INFO L225 Difference]: With dead ends: 871 [2024-11-12 03:18:11,478 INFO L226 Difference]: Without dead ends: 493 [2024-11-12 03:18:11,480 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 70 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 03:18:11,480 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 35 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 03:18:11,481 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 287 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 03:18:11,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2024-11-12 03:18:11,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 467. [2024-11-12 03:18:11,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 326 states have (on average 1.361963190184049) internal successors, (444), 326 states have internal predecessors, (444), 136 states have call successors, (136), 4 states have call predecessors, (136), 4 states have return successors, (136), 136 states have call predecessors, (136), 136 states have call successors, (136) [2024-11-12 03:18:11,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 716 transitions. [2024-11-12 03:18:11,558 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 716 transitions. Word has length 219 [2024-11-12 03:18:11,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:18:11,560 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 716 transitions. [2024-11-12 03:18:11,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 03:18:11,560 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 716 transitions. [2024-11-12 03:18:11,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-11-12 03:18:11,562 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:18:11,562 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:18:11,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 03:18:11,562 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:18:11,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:18:11,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1995111313, now seen corresponding path program 1 times [2024-11-12 03:18:11,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:18:11,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402466998] [2024-11-12 03:18:11,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:18:11,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:18:11,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:16,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:18:16,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:16,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:18:16,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:16,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 03:18:16,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:16,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:18:16,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:16,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 03:18:16,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:16,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-12 03:18:16,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:16,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 03:18:16,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:16,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:18:16,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:16,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:18:16,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:16,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:18:16,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:16,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:18:16,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:16,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:18:16,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:16,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 03:18:16,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:16,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:18:16,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:16,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:18:16,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:16,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:18:16,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:16,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 03:18:16,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:16,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:18:16,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:16,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 03:18:16,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:16,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:18:16,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:16,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 03:18:16,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:16,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:18:16,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:16,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 03:18:16,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:16,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 03:18:16,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:16,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 03:18:16,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:16,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 03:18:16,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:16,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 03:18:16,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:16,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 03:18:16,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:16,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 03:18:16,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:16,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 03:18:16,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:16,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 03:18:16,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:16,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 03:18:16,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:16,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-12 03:18:16,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:16,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-12 03:18:16,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:18:16,662 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-12 03:18:16,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:18:16,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402466998] [2024-11-12 03:18:16,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402466998] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:18:16,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:18:16,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 03:18:16,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040029729] [2024-11-12 03:18:16,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:18:16,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 03:18:16,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:18:16,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 03:18:16,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-12 03:18:16,666 INFO L87 Difference]: Start difference. First operand 467 states and 716 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-12 03:18:17,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:18:17,772 INFO L93 Difference]: Finished difference Result 1741 states and 2651 transitions. [2024-11-12 03:18:17,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 03:18:17,773 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 219 [2024-11-12 03:18:17,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:18:17,780 INFO L225 Difference]: With dead ends: 1741 [2024-11-12 03:18:17,780 INFO L226 Difference]: Without dead ends: 1277 [2024-11-12 03:18:17,781 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-12 03:18:17,783 INFO L435 NwaCegarLoop]: 214 mSDtfsCounter, 444 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 444 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-12 03:18:17,783 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [444 Valid, 380 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-12 03:18:17,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1277 states. [2024-11-12 03:18:17,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1277 to 1197. [2024-11-12 03:18:17,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1197 states, 840 states have (on average 1.338095238095238) internal successors, (1124), 844 states have internal predecessors, (1124), 344 states have call successors, (344), 12 states have call predecessors, (344), 12 states have return successors, (344), 340 states have call predecessors, (344), 344 states have call successors, (344) [2024-11-12 03:18:17,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1197 states to 1197 states and 1812 transitions. [2024-11-12 03:18:17,923 INFO L78 Accepts]: Start accepts. Automaton has 1197 states and 1812 transitions. Word has length 219 [2024-11-12 03:18:17,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:18:17,924 INFO L471 AbstractCegarLoop]: Abstraction has 1197 states and 1812 transitions. [2024-11-12 03:18:17,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2024-11-12 03:18:17,924 INFO L276 IsEmpty]: Start isEmpty. Operand 1197 states and 1812 transitions. [2024-11-12 03:18:17,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-11-12 03:18:17,926 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:18:17,926 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:18:17,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 03:18:17,926 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:18:17,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:18:17,926 INFO L85 PathProgramCache]: Analyzing trace with hash 974042959, now seen corresponding path program 1 times [2024-11-12 03:18:17,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:18:17,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544474469] [2024-11-12 03:18:17,927 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:18:17,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:18:18,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:28,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:19:28,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:28,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:19:28,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:28,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 03:19:28,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:28,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:19:28,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:28,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 03:19:28,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:28,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-12 03:19:28,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:28,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 03:19:28,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:28,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:19:28,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:28,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:19:28,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:28,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:19:28,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:28,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:19:28,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:28,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:19:28,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:28,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 03:19:28,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:28,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:19:28,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:28,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:19:28,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:28,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:19:28,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:28,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 03:19:28,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:28,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:19:28,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:28,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 03:19:28,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:28,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:19:28,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:28,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 03:19:28,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:28,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:19:28,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:28,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 03:19:28,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:28,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 03:19:28,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:28,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 03:19:28,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:28,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 03:19:28,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:28,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 03:19:28,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:28,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 03:19:28,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:28,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 03:19:28,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:28,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 03:19:28,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:28,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 03:19:28,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:28,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 03:19:28,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:28,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-12 03:19:28,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:28,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-12 03:19:28,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:28,674 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-12 03:19:28,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:19:28,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544474469] [2024-11-12 03:19:28,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544474469] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:19:28,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:19:28,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-12 03:19:28,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984464943] [2024-11-12 03:19:28,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:19:28,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-12 03:19:28,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:19:28,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-12 03:19:28,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2024-11-12 03:19:28,676 INFO L87 Difference]: Start difference. First operand 1197 states and 1812 transitions. Second operand has 14 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 14 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 03:19:32,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:19:32,067 INFO L93 Difference]: Finished difference Result 2901 states and 4331 transitions. [2024-11-12 03:19:32,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-12 03:19:32,068 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 14 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 219 [2024-11-12 03:19:32,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:19:32,076 INFO L225 Difference]: With dead ends: 2901 [2024-11-12 03:19:32,076 INFO L226 Difference]: Without dead ends: 1707 [2024-11-12 03:19:32,079 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=186, Invalid=366, Unknown=0, NotChecked=0, Total=552 [2024-11-12 03:19:32,079 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 313 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 638 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 638 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-12 03:19:32,080 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 522 Invalid, 645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 638 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-12 03:19:32,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2024-11-12 03:19:32,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1343. [2024-11-12 03:19:32,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1343 states, 986 states have (on average 1.3498985801217038) internal successors, (1331), 990 states have internal predecessors, (1331), 344 states have call successors, (344), 12 states have call predecessors, (344), 12 states have return successors, (344), 340 states have call predecessors, (344), 344 states have call successors, (344) [2024-11-12 03:19:32,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1343 states to 1343 states and 2019 transitions. [2024-11-12 03:19:32,220 INFO L78 Accepts]: Start accepts. Automaton has 1343 states and 2019 transitions. Word has length 219 [2024-11-12 03:19:32,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:19:32,221 INFO L471 AbstractCegarLoop]: Abstraction has 1343 states and 2019 transitions. [2024-11-12 03:19:32,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 14 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 03:19:32,221 INFO L276 IsEmpty]: Start isEmpty. Operand 1343 states and 2019 transitions. [2024-11-12 03:19:32,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-11-12 03:19:32,223 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:19:32,223 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:19:32,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 03:19:32,224 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:19:32,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:19:32,224 INFO L85 PathProgramCache]: Analyzing trace with hash 1682198500, now seen corresponding path program 1 times [2024-11-12 03:19:32,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:19:32,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336226836] [2024-11-12 03:19:32,225 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:19:32,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:19:32,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:32,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:19:32,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:32,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:19:32,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:32,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 03:19:32,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:32,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:19:32,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:32,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 03:19:32,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:32,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-12 03:19:32,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:32,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 03:19:32,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:32,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:19:32,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:32,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:19:32,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:32,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:19:32,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:32,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:19:32,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:32,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:19:32,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:32,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 03:19:32,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:32,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:19:32,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:32,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:19:32,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:32,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:19:32,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:32,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 03:19:32,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:32,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:19:32,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:32,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 03:19:32,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:32,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:19:32,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:32,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 03:19:32,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:32,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:19:32,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:32,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 03:19:32,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:32,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 03:19:32,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:32,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 03:19:32,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:32,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 03:19:32,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:32,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 03:19:32,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:32,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 03:19:32,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:32,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 03:19:32,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:32,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 03:19:32,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:32,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 03:19:32,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:32,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 03:19:32,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:32,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-12 03:19:32,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:32,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-12 03:19:32,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:32,708 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-12 03:19:32,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:19:32,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336226836] [2024-11-12 03:19:32,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336226836] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:19:32,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:19:32,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 03:19:32,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118133047] [2024-11-12 03:19:32,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:19:32,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 03:19:32,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:19:32,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 03:19:32,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-12 03:19:32,711 INFO L87 Difference]: Start difference. First operand 1343 states and 2019 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 03:19:33,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 03:19:33,632 INFO L93 Difference]: Finished difference Result 4678 states and 7038 transitions. [2024-11-12 03:19:33,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 03:19:33,632 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) Word has length 219 [2024-11-12 03:19:33,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 03:19:33,648 INFO L225 Difference]: With dead ends: 4678 [2024-11-12 03:19:33,648 INFO L226 Difference]: Without dead ends: 3338 [2024-11-12 03:19:33,653 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-12 03:19:33,653 INFO L435 NwaCegarLoop]: 439 mSDtfsCounter, 429 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 624 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 429 SdHoareTripleChecker+Valid, 940 SdHoareTripleChecker+Invalid, 627 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 624 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 03:19:33,653 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [429 Valid, 940 Invalid, 627 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 624 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 03:19:33,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3338 states. [2024-11-12 03:19:33,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3338 to 1946. [2024-11-12 03:19:33,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1946 states, 1411 states have (on average 1.3458540042523033) internal successors, (1899), 1417 states have internal predecessors, (1899), 516 states have call successors, (516), 18 states have call predecessors, (516), 18 states have return successors, (516), 510 states have call predecessors, (516), 516 states have call successors, (516) [2024-11-12 03:19:33,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1946 states to 1946 states and 2931 transitions. [2024-11-12 03:19:33,914 INFO L78 Accepts]: Start accepts. Automaton has 1946 states and 2931 transitions. Word has length 219 [2024-11-12 03:19:33,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 03:19:33,915 INFO L471 AbstractCegarLoop]: Abstraction has 1946 states and 2931 transitions. [2024-11-12 03:19:33,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 1 states have call predecessors, (34), 1 states have call successors, (34) [2024-11-12 03:19:33,916 INFO L276 IsEmpty]: Start isEmpty. Operand 1946 states and 2931 transitions. [2024-11-12 03:19:33,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-11-12 03:19:33,918 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 03:19:33,918 INFO L218 NwaCegarLoop]: trace histogram [34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:19:33,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 03:19:33,919 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 03:19:33,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 03:19:33,919 INFO L85 PathProgramCache]: Analyzing trace with hash -642255509, now seen corresponding path program 1 times [2024-11-12 03:19:33,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 03:19:33,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152678606] [2024-11-12 03:19:33,919 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 03:19:33,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 03:19:33,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:37,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 03:19:37,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:37,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 03:19:37,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:37,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-12 03:19:37,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:37,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 03:19:37,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:37,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 03:19:37,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:37,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-12 03:19:37,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:37,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 03:19:37,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:37,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 03:19:37,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:37,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 03:19:37,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:37,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 03:19:37,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:37,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 03:19:37,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:37,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 03:19:37,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:37,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 03:19:37,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:37,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 03:19:37,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:37,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 03:19:37,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:37,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 03:19:37,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:37,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 03:19:37,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:37,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 03:19:37,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:37,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 03:19:37,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:37,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 03:19:37,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:37,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 03:19:37,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:37,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 03:19:37,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:37,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 03:19:37,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:37,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 03:19:37,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:37,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 03:19:37,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:37,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 03:19:37,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:37,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 03:19:37,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:37,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 03:19:37,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:37,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 03:19:37,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:37,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 03:19:37,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:37,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 03:19:37,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:37,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-11-12 03:19:37,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:37,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-12 03:19:37,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:37,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-11-12 03:19:37,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 03:19:37,757 INFO L134 CoverageAnalysis]: Checked inductivity of 2244 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2024-11-12 03:19:37,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 03:19:37,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152678606] [2024-11-12 03:19:37,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152678606] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 03:19:37,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 03:19:37,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-12 03:19:37,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501105046] [2024-11-12 03:19:37,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 03:19:37,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 03:19:37,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 03:19:37,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 03:19:37,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-12 03:19:37,758 INFO L87 Difference]: Start difference. First operand 1946 states and 2931 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34)