./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-86.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_fillercodesize_ps-cn-25_file-86.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 c41233577d4f3add43688eebc1dd327b554f3a213d6a52593493024e00cc2d82 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 02:24:27,159 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 02:24:27,225 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 02:24:27,230 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 02:24:27,232 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 02:24:27,262 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 02:24:27,263 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 02:24:27,264 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 02:24:27,264 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 02:24:27,268 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 02:24:27,268 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 02:24:27,268 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 02:24:27,269 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 02:24:27,269 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 02:24:27,270 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 02:24:27,270 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 02:24:27,270 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 02:24:27,270 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 02:24:27,271 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 02:24:27,271 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 02:24:27,271 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 02:24:27,274 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 02:24:27,274 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 02:24:27,274 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 02:24:27,274 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 02:24:27,275 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 02:24:27,275 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 02:24:27,275 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 02:24:27,276 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 02:24:27,276 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 02:24:27,276 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 02:24:27,277 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 02:24:27,277 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 02:24:27,277 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 02:24:27,278 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 02:24:27,278 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 02:24:27,278 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 02:24:27,278 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 02:24:27,279 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 02:24:27,280 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 02:24:27,280 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 02:24:27,280 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 02:24:27,280 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c41233577d4f3add43688eebc1dd327b554f3a213d6a52593493024e00cc2d82 [2024-11-12 02:24:27,540 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 02:24:27,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 02:24:27,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 02:24:27,574 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 02:24:27,575 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 02:24:27,577 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-86.i [2024-11-12 02:24:29,030 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 02:24:29,208 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 02:24:29,209 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-86.i [2024-11-12 02:24:29,222 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b24541ac3/d352068aa48a4a118423d24a141250be/FLAG58996202b [2024-11-12 02:24:29,584 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b24541ac3/d352068aa48a4a118423d24a141250be [2024-11-12 02:24:29,587 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 02:24:29,588 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 02:24:29,591 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 02:24:29,591 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 02:24:29,596 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 02:24:29,597 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:24:29" (1/1) ... [2024-11-12 02:24:29,598 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54096f76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:29, skipping insertion in model container [2024-11-12 02:24:29,600 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:24:29" (1/1) ... [2024-11-12 02:24:29,635 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 02:24:29,814 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-86.i[915,928] [2024-11-12 02:24:29,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 02:24:29,912 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 02:24:29,922 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-25_file-86.i[915,928] [2024-11-12 02:24:29,953 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 02:24:29,977 INFO L204 MainTranslator]: Completed translation [2024-11-12 02:24:29,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:29 WrapperNode [2024-11-12 02:24:29,978 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 02:24:29,979 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 02:24:29,980 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 02:24:29,980 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 02:24:29,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:29" (1/1) ... [2024-11-12 02:24:30,001 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:29" (1/1) ... [2024-11-12 02:24:30,040 INFO L138 Inliner]: procedures = 26, calls = 47, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 242 [2024-11-12 02:24:30,040 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 02:24:30,041 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 02:24:30,041 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 02:24:30,042 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 02:24:30,056 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:29" (1/1) ... [2024-11-12 02:24:30,060 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:29" (1/1) ... [2024-11-12 02:24:30,064 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:29" (1/1) ... [2024-11-12 02:24:30,086 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 02:24:30,086 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:29" (1/1) ... [2024-11-12 02:24:30,087 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:29" (1/1) ... [2024-11-12 02:24:30,097 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:29" (1/1) ... [2024-11-12 02:24:30,101 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:29" (1/1) ... [2024-11-12 02:24:30,105 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:29" (1/1) ... [2024-11-12 02:24:30,107 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:29" (1/1) ... [2024-11-12 02:24:30,120 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 02:24:30,122 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 02:24:30,122 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 02:24:30,122 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 02:24:30,123 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:29" (1/1) ... [2024-11-12 02:24:30,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 02:24:30,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 02:24:30,161 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 02:24:30,164 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 02:24:30,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 02:24:30,230 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 02:24:30,231 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 02:24:30,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 02:24:30,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 02:24:30,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 02:24:30,322 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 02:24:30,323 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 02:24:30,836 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-12 02:24:30,836 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 02:24:30,854 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 02:24:30,855 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 02:24:30,855 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:24:30 BoogieIcfgContainer [2024-11-12 02:24:30,855 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 02:24:30,859 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 02:24:30,859 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 02:24:30,863 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 02:24:30,863 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:24:29" (1/3) ... [2024-11-12 02:24:30,864 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16851e07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:24:30, skipping insertion in model container [2024-11-12 02:24:30,864 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:24:29" (2/3) ... [2024-11-12 02:24:30,865 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16851e07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:24:30, skipping insertion in model container [2024-11-12 02:24:30,865 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:24:30" (3/3) ... [2024-11-12 02:24:30,866 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-25_file-86.i [2024-11-12 02:24:30,883 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 02:24:30,883 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 02:24:30,946 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 02:24:30,951 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;@3419adae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 02:24:30,952 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 02:24:30,956 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 64 states have (on average 1.421875) internal successors, (91), 65 states have internal predecessors, (91), 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 02:24:30,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-12 02:24:30,976 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:24:30,977 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] [2024-11-12 02:24:30,978 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:24:30,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:24:30,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1622314386, now seen corresponding path program 1 times [2024-11-12 02:24:30,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:24:30,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476075541] [2024-11-12 02:24:30,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:24:30,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:24:31,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:31,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:24:31,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:31,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:24:31,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:31,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:24:31,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:31,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:24:31,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:31,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:24:31,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:31,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:24:31,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:31,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:24:31,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:31,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:24:31,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:31,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:24:31,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:31,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:24:31,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:31,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:24:31,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:31,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:24:31,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:31,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 02:24:31,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:31,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:24:31,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:31,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 02:24:31,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:31,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:24:31,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:31,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 02:24:31,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:31,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:24:31,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:31,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:24:31,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:31,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:24:31,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:31,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 02:24:31,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:31,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:24:31,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:31,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 02:24:31,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:31,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:24:31,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:31,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 02:24:31,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:31,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:24:31,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:31,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:24:31,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:31,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 02:24:31,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:31,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 02:24:31,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:31,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 02:24:31,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:31,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 02:24:31,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:31,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 02:24:31,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:31,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 02:24:31,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:31,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 02:24:31,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:31,491 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 02:24:31,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:24:31,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476075541] [2024-11-12 02:24:31,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476075541] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:24:31,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:24:31,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 02:24:31,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475372567] [2024-11-12 02:24:31,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:24:31,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 02:24:31,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:24:31,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 02:24:31,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 02:24:31,531 INFO L87 Difference]: Start difference. First operand has 101 states, 64 states have (on average 1.421875) internal successors, (91), 65 states have internal predecessors, (91), 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 22.5) internal successors, (45), 2 states have internal predecessors, (45), 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 02:24:31,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:24:31,567 INFO L93 Difference]: Finished difference Result 195 states and 346 transitions. [2024-11-12 02:24:31,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 02:24:31,570 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 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 212 [2024-11-12 02:24:31,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:24:31,577 INFO L225 Difference]: With dead ends: 195 [2024-11-12 02:24:31,577 INFO L226 Difference]: Without dead ends: 97 [2024-11-12 02:24:31,582 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 02:24:31,586 INFO L435 NwaCegarLoop]: 150 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, 150 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 02:24:31,588 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 02:24:31,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-12 02:24:31,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2024-11-12 02:24:31,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 61 states have (on average 1.3442622950819672) internal successors, (82), 61 states have internal predecessors, (82), 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 02:24:31,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 150 transitions. [2024-11-12 02:24:31,678 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 150 transitions. Word has length 212 [2024-11-12 02:24:31,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:24:31,679 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 150 transitions. [2024-11-12 02:24:31,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 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 02:24:31,706 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 150 transitions. [2024-11-12 02:24:31,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-12 02:24:31,717 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:24:31,718 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] [2024-11-12 02:24:31,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 02:24:31,719 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:24:31,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:24:31,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1732762638, now seen corresponding path program 1 times [2024-11-12 02:24:31,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:24:31,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291502684] [2024-11-12 02:24:31,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:24:31,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:24:31,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:32,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:24:32,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:32,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:24:32,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:32,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:24:32,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:32,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:24:32,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:32,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:24:32,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:32,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:24:32,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:32,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:24:32,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:32,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:24:32,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:32,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:24:32,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:32,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:24:32,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:32,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:24:32,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:32,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:24:32,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:32,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 02:24:32,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:32,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:24:32,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:32,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 02:24:32,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:32,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:24:32,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:32,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 02:24:32,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:32,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:24:32,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:32,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:24:32,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:32,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:24:32,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:32,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 02:24:32,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:32,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:24:32,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:32,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 02:24:32,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:32,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:24:32,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:32,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 02:24:32,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:32,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:24:32,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:32,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:24:32,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:32,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 02:24:32,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:32,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 02:24:32,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:32,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 02:24:32,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:32,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 02:24:32,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:32,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 02:24:32,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:32,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 02:24:32,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:32,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 02:24:32,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:32,173 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 02:24:32,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:24:32,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291502684] [2024-11-12 02:24:32,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291502684] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:24:32,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:24:32,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 02:24:32,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851306504] [2024-11-12 02:24:32,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:24:32,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 02:24:32,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:24:32,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 02:24:32,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 02:24:32,180 INFO L87 Difference]: Start difference. First operand 97 states and 150 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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 02:24:32,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:24:32,443 INFO L93 Difference]: Finished difference Result 192 states and 299 transitions. [2024-11-12 02:24:32,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 02:24:32,444 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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 212 [2024-11-12 02:24:32,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:24:32,446 INFO L225 Difference]: With dead ends: 192 [2024-11-12 02:24:32,446 INFO L226 Difference]: Without dead ends: 98 [2024-11-12 02:24:32,450 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 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 02:24:32,451 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 147 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 02:24:32,454 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 185 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 02:24:32,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-12 02:24:32,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2024-11-12 02:24:32,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 62 states have (on average 1.3387096774193548) internal successors, (83), 62 states have internal predecessors, (83), 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 02:24:32,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 151 transitions. [2024-11-12 02:24:32,478 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 151 transitions. Word has length 212 [2024-11-12 02:24:32,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:24:32,481 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 151 transitions. [2024-11-12 02:24:32,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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 02:24:32,482 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 151 transitions. [2024-11-12 02:24:32,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-12 02:24:32,486 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:24:32,486 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] [2024-11-12 02:24:32,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 02:24:32,487 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:24:32,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:24:32,487 INFO L85 PathProgramCache]: Analyzing trace with hash 455992393, now seen corresponding path program 1 times [2024-11-12 02:24:32,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:24:32,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744995997] [2024-11-12 02:24:32,488 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:24:32,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:24:32,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:44,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:24:44,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:44,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:24:44,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:44,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:24:44,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:44,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:24:44,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:44,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:24:44,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:44,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:24:44,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:44,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:24:44,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:44,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:24:44,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:44,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:24:44,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:44,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:24:44,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:44,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:24:44,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:44,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:24:44,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:44,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 02:24:44,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:44,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:24:44,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:44,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 02:24:44,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:44,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:24:44,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:44,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 02:24:44,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:44,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:24:44,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:44,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:24:44,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:44,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:24:44,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:44,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 02:24:44,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:44,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:24:44,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:44,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 02:24:44,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:44,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:24:44,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:44,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 02:24:44,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:44,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:24:44,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:44,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:24:44,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:44,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 02:24:44,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:44,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 02:24:44,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:44,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 02:24:44,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:44,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 02:24:44,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:44,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 02:24:44,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:44,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 02:24:44,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:44,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 02:24:44,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:44,838 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 02:24:44,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:24:44,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744995997] [2024-11-12 02:24:44,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744995997] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:24:44,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:24:44,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-12 02:24:44,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90684365] [2024-11-12 02:24:44,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:24:44,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-12 02:24:44,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:24:44,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-12 02:24:44,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-12 02:24:44,845 INFO L87 Difference]: Start difference. First operand 98 states and 151 transitions. Second operand has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 14 states have internal predecessors, (47), 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 02:24:48,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:24:48,544 INFO L93 Difference]: Finished difference Result 374 states and 569 transitions. [2024-11-12 02:24:48,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-12 02:24:48,546 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 14 states have internal predecessors, (47), 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 214 [2024-11-12 02:24:48,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:24:48,550 INFO L225 Difference]: With dead ends: 374 [2024-11-12 02:24:48,550 INFO L226 Difference]: Without dead ends: 279 [2024-11-12 02:24:48,552 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=161, Invalid=489, Unknown=0, NotChecked=0, Total=650 [2024-11-12 02:24:48,553 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 372 mSDsluCounter, 829 mSDsCounter, 0 mSdLazyCounter, 610 mSolverCounterSat, 143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 964 SdHoareTripleChecker+Invalid, 753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-12 02:24:48,553 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 964 Invalid, 753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 610 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-12 02:24:48,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2024-11-12 02:24:48,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 193. [2024-11-12 02:24:48,610 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 02:24:48,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 297 transitions. [2024-11-12 02:24:48,614 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 297 transitions. Word has length 214 [2024-11-12 02:24:48,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:24:48,616 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 297 transitions. [2024-11-12 02:24:48,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.357142857142857) internal successors, (47), 14 states have internal predecessors, (47), 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 02:24:48,616 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 297 transitions. [2024-11-12 02:24:48,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-12 02:24:48,621 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:24:48,622 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] [2024-11-12 02:24:48,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 02:24:48,622 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:24:48,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:24:48,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1157056971, now seen corresponding path program 1 times [2024-11-12 02:24:48,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:24:48,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417539576] [2024-11-12 02:24:48,625 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:24:48,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:24:48,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:48,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:24:48,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:48,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:24:48,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:48,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:24:48,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:48,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:24:48,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:48,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:24:48,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:48,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:24:48,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:48,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:24:48,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:48,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:24:48,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:48,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:24:48,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:48,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:24:48,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:48,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:24:48,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:48,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:24:48,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:48,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 02:24:48,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:48,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:24:48,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:48,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 02:24:48,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:48,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:24:48,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:48,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 02:24:48,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:48,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:24:48,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:48,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:24:48,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:48,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:24:48,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:48,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 02:24:48,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:48,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:24:48,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:48,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 02:24:48,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:48,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:24:48,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:48,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 02:24:48,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:48,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:24:48,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:48,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:24:48,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:48,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 02:24:48,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:48,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 02:24:48,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:48,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 02:24:48,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:48,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 02:24:48,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:48,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 02:24:48,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:48,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 02:24:48,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:48,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 02:24:48,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:48,812 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 02:24:48,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:24:48,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417539576] [2024-11-12 02:24:48,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417539576] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:24:48,813 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:24:48,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 02:24:48,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538918456] [2024-11-12 02:24:48,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:24:48,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 02:24:48,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:24:48,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 02:24:48,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 02:24:48,815 INFO L87 Difference]: Start difference. First operand 193 states and 297 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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 02:24:48,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:24:48,873 INFO L93 Difference]: Finished difference Result 382 states and 591 transitions. [2024-11-12 02:24:48,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 02:24:48,874 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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 214 [2024-11-12 02:24:48,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:24:48,877 INFO L225 Difference]: With dead ends: 382 [2024-11-12 02:24:48,878 INFO L226 Difference]: Without dead ends: 287 [2024-11-12 02:24:48,878 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 02:24:48,879 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 141 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 02:24:48,880 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 300 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 02:24:48,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2024-11-12 02:24:48,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 285. [2024-11-12 02:24:48,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 179 states have (on average 1.312849162011173) internal successors, (235), 179 states have internal predecessors, (235), 102 states have call successors, (102), 3 states have call predecessors, (102), 3 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-12 02:24:48,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 439 transitions. [2024-11-12 02:24:48,918 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 439 transitions. Word has length 214 [2024-11-12 02:24:48,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:24:48,919 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 439 transitions. [2024-11-12 02:24:48,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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 02:24:48,920 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 439 transitions. [2024-11-12 02:24:48,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-12 02:24:48,922 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:24:48,922 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] [2024-11-12 02:24:48,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 02:24:48,923 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:24:48,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:24:48,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1467109643, now seen corresponding path program 1 times [2024-11-12 02:24:48,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:24:48,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721347362] [2024-11-12 02:24:48,924 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:24:48,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:24:48,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:49,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:24:49,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:49,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:24:49,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:49,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:24:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:49,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:24:49,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:49,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:24:49,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:49,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:24:49,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:49,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:24:49,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:49,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:24:49,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:49,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:24:49,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:49,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:24:49,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:49,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:24:49,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:49,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:24:49,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:49,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 02:24:49,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:49,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:24:49,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:49,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 02:24:49,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:49,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:24:49,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:49,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 02:24:49,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:49,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:24:49,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:49,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:24:49,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:49,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:24:49,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:49,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 02:24:49,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:49,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:24:49,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:49,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 02:24:49,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:49,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:24:49,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:49,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 02:24:49,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:49,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:24:49,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:49,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:24:49,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:49,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 02:24:49,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:49,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 02:24:49,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:49,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 02:24:49,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:49,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 02:24:49,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:49,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 02:24:49,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:49,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 02:24:49,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:49,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 02:24:49,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:49,208 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 02:24:49,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:24:49,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721347362] [2024-11-12 02:24:49,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721347362] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:24:49,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:24:49,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 02:24:49,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375704785] [2024-11-12 02:24:49,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:24:49,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 02:24:49,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:24:49,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 02:24:49,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 02:24:49,212 INFO L87 Difference]: Start difference. First operand 285 states and 439 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 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 02:24:49,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:24:49,445 INFO L93 Difference]: Finished difference Result 495 states and 757 transitions. [2024-11-12 02:24:49,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 02:24:49,449 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 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 214 [2024-11-12 02:24:49,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:24:49,454 INFO L225 Difference]: With dead ends: 495 [2024-11-12 02:24:49,454 INFO L226 Difference]: Without dead ends: 305 [2024-11-12 02:24:49,456 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-12 02:24:49,458 INFO L435 NwaCegarLoop]: 145 mSDtfsCounter, 121 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 02:24:49,458 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 501 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 02:24:49,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2024-11-12 02:24:49,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 283. [2024-11-12 02:24:49,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 177 states have (on average 1.305084745762712) internal successors, (231), 177 states have internal predecessors, (231), 102 states have call successors, (102), 3 states have call predecessors, (102), 3 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-12 02:24:49,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 435 transitions. [2024-11-12 02:24:49,517 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 435 transitions. Word has length 214 [2024-11-12 02:24:49,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:24:49,519 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 435 transitions. [2024-11-12 02:24:49,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 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 02:24:49,519 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 435 transitions. [2024-11-12 02:24:49,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-12 02:24:49,521 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:24:49,522 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] [2024-11-12 02:24:49,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 02:24:49,523 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:24:49,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:24:49,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1304364194, now seen corresponding path program 1 times [2024-11-12 02:24:49,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:24:49,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560249305] [2024-11-12 02:24:49,524 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:24:49,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:24:49,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:24:53,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:24:53,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:24:53,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:24:53,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:24:53,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:24:53,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:24:53,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:24:53,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:24:53,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:24:53,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:24:53,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:24:53,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 02:24:53,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:24:53,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 02:24:53,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:24:53,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 02:24:53,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:24:53,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:24:53,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:24:53,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 02:24:53,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:24:53,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 02:24:53,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:24:53,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 02:24:53,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:24:53,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:24:53,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 02:24:53,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 02:24:53,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 02:24:53,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 02:24:53,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 02:24:53,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 02:24:53,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 02:24:53,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:53,226 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 02:24:53,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:24:53,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560249305] [2024-11-12 02:24:53,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560249305] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:24:53,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:24:53,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-12 02:24:53,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096607349] [2024-11-12 02:24:53,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:24:53,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-12 02:24:53,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:24:53,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-12 02:24:53,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-11-12 02:24:53,229 INFO L87 Difference]: Start difference. First operand 283 states and 435 transitions. Second operand has 15 states, 15 states have (on average 3.2) internal successors, (48), 15 states have internal predecessors, (48), 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 02:24:54,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:24:54,354 INFO L93 Difference]: Finished difference Result 333 states and 493 transitions. [2024-11-12 02:24:54,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-12 02:24:54,354 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.2) internal successors, (48), 15 states have internal predecessors, (48), 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 215 [2024-11-12 02:24:54,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:24:54,357 INFO L225 Difference]: With dead ends: 333 [2024-11-12 02:24:54,357 INFO L226 Difference]: Without dead ends: 331 [2024-11-12 02:24:54,358 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=191, Invalid=565, Unknown=0, NotChecked=0, Total=756 [2024-11-12 02:24:54,361 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 338 mSDsluCounter, 810 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 951 SdHoareTripleChecker+Invalid, 645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-12 02:24:54,362 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [338 Valid, 951 Invalid, 645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-12 02:24:54,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2024-11-12 02:24:54,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 284. [2024-11-12 02:24:54,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 178 states have (on average 1.303370786516854) internal successors, (232), 178 states have internal predecessors, (232), 102 states have call successors, (102), 3 states have call predecessors, (102), 3 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-12 02:24:54,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 436 transitions. [2024-11-12 02:24:54,402 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 436 transitions. Word has length 215 [2024-11-12 02:24:54,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:24:54,403 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 436 transitions. [2024-11-12 02:24:54,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.2) internal successors, (48), 15 states have internal predecessors, (48), 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 02:24:54,403 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 436 transitions. [2024-11-12 02:24:54,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-12 02:24:54,406 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:24:54,406 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] [2024-11-12 02:24:54,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 02:24:54,406 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:24:54,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:24:54,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1092206780, now seen corresponding path program 1 times [2024-11-12 02:24:54,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:24:54,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137948258] [2024-11-12 02:24:54,407 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:24:54,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:24:54,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:54,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:24:54,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:54,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:24:54,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:54,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:24:54,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:54,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:24:54,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:54,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:24:54,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:54,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:24:54,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:54,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:24:54,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:54,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:24:54,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:54,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:24:54,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:54,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:24:54,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:54,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:24:54,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:54,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:24:54,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:54,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 02:24:54,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:54,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:24:54,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:54,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 02:24:54,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:54,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:24:54,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:54,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 02:24:54,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:54,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:24:54,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:54,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:24:54,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:54,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:24:54,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:54,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 02:24:54,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:54,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:24:54,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:54,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 02:24:54,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:54,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:24:54,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:54,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 02:24:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:54,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:24:54,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:54,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:24:54,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:54,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 02:24:54,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:54,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 02:24:54,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:54,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 02:24:54,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:54,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 02:24:54,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:54,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 02:24:54,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:54,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 02:24:54,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:54,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 02:24:54,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:24:54,866 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 02:24:54,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:24:54,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137948258] [2024-11-12 02:24:54,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137948258] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:24:54,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:24:54,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 02:24:54,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896052446] [2024-11-12 02:24:54,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:24:54,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 02:24:54,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:24:54,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 02:24:54,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 02:24:54,868 INFO L87 Difference]: Start difference. First operand 284 states and 436 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 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 02:24:54,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:24:54,956 INFO L93 Difference]: Finished difference Result 482 states and 741 transitions. [2024-11-12 02:24:54,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 02:24:54,957 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 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 215 [2024-11-12 02:24:54,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:24:54,960 INFO L225 Difference]: With dead ends: 482 [2024-11-12 02:24:54,961 INFO L226 Difference]: Without dead ends: 292 [2024-11-12 02:24:54,962 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-12 02:24:54,963 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 100 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 02:24:54,965 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 278 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 02:24:54,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-11-12 02:24:54,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 284. [2024-11-12 02:24:54,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 178 states have (on average 1.2865168539325842) internal successors, (229), 178 states have internal predecessors, (229), 102 states have call successors, (102), 3 states have call predecessors, (102), 3 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-12 02:24:54,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 433 transitions. [2024-11-12 02:24:54,996 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 433 transitions. Word has length 215 [2024-11-12 02:24:54,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:24:54,997 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 433 transitions. [2024-11-12 02:24:54,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 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 02:24:54,997 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 433 transitions. [2024-11-12 02:24:55,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-12 02:24:55,001 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:24:55,001 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] [2024-11-12 02:24:55,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 02:24:55,002 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:24:55,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:24:55,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1427753154, now seen corresponding path program 1 times [2024-11-12 02:24:55,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:24:55,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943102828] [2024-11-12 02:24:55,003 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:24:55,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:24:55,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:00,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:25:00,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:00,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:25:00,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:00,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:25:00,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:00,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:25:00,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:00,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:25:00,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:00,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:25:00,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:00,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:25:00,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:00,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:25:00,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:00,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:25:00,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:00,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:25:00,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:00,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:25:00,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:00,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:25:00,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:00,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 02:25:00,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:00,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:25:00,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:00,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 02:25:00,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:00,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:25:00,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:00,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 02:25:00,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:00,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:25:00,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:00,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:25:00,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:00,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:25:00,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:00,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 02:25:00,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:00,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:25:00,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:00,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 02:25:00,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:00,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:25:00,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:00,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 02:25:00,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:00,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:25:00,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:00,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:25:00,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:00,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 02:25:00,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:00,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 02:25:00,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:00,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 02:25:00,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:00,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 02:25:00,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:00,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 02:25:00,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:00,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 02:25:00,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:00,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 02:25:00,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:00,655 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 02:25:00,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:25:00,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943102828] [2024-11-12 02:25:00,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943102828] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:25:00,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:25:00,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-12 02:25:00,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058799908] [2024-11-12 02:25:00,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:25:00,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-12 02:25:00,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:25:00,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-12 02:25:00,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2024-11-12 02:25:00,659 INFO L87 Difference]: Start difference. First operand 284 states and 433 transitions. Second operand has 15 states, 15 states have (on average 3.2) internal successors, (48), 15 states have internal predecessors, (48), 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 02:25:05,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:25:05,175 INFO L93 Difference]: Finished difference Result 338 states and 493 transitions. [2024-11-12 02:25:05,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-12 02:25:05,176 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.2) internal successors, (48), 15 states have internal predecessors, (48), 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 215 [2024-11-12 02:25:05,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:25:05,178 INFO L225 Difference]: With dead ends: 338 [2024-11-12 02:25:05,179 INFO L226 Difference]: Without dead ends: 336 [2024-11-12 02:25:05,179 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=264, Invalid=792, Unknown=0, NotChecked=0, Total=1056 [2024-11-12 02:25:05,180 INFO L435 NwaCegarLoop]: 134 mSDtfsCounter, 339 mSDsluCounter, 782 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 916 SdHoareTripleChecker+Invalid, 715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-12 02:25:05,180 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 916 Invalid, 715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 576 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-12 02:25:05,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2024-11-12 02:25:05,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 284. [2024-11-12 02:25:05,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 178 states have (on average 1.2865168539325842) internal successors, (229), 178 states have internal predecessors, (229), 102 states have call successors, (102), 3 states have call predecessors, (102), 3 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-12 02:25:05,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 433 transitions. [2024-11-12 02:25:05,214 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 433 transitions. Word has length 215 [2024-11-12 02:25:05,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:25:05,215 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 433 transitions. [2024-11-12 02:25:05,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.2) internal successors, (48), 15 states have internal predecessors, (48), 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 02:25:05,215 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 433 transitions. [2024-11-12 02:25:05,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-12 02:25:05,218 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:25:05,218 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] [2024-11-12 02:25:05,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 02:25:05,218 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:25:05,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:25:05,219 INFO L85 PathProgramCache]: Analyzing trace with hash -1871875877, now seen corresponding path program 1 times [2024-11-12 02:25:05,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:25:05,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513680577] [2024-11-12 02:25:05,219 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:25:05,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:25:05,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:11,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:25:11,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:11,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:25:11,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:11,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:25:11,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:11,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:25:11,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:11,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:25:11,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:11,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:25:11,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:11,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:25:11,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:11,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:25:11,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:11,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:25:11,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:11,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:25:11,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:11,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:25:11,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:11,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:25:11,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:11,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 02:25:11,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:11,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:25:11,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:11,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 02:25:11,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:11,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:25:11,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:11,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 02:25:11,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:11,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:25:11,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:11,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:25:11,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:11,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:25:11,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:11,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 02:25:11,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:11,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:25:11,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:11,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 02:25:11,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:11,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:25:11,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:11,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 02:25:11,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:11,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:25:11,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:11,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:25:11,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:11,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 02:25:11,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:11,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 02:25:11,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:11,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 02:25:11,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:11,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 02:25:11,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:11,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 02:25:11,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:11,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 02:25:11,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:11,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 02:25:11,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:11,844 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 02:25:11,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:25:11,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513680577] [2024-11-12 02:25:11,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513680577] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:25:11,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:25:11,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-12 02:25:11,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148763858] [2024-11-12 02:25:11,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:25:11,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-12 02:25:11,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:25:11,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-12 02:25:11,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2024-11-12 02:25:11,848 INFO L87 Difference]: Start difference. First operand 284 states and 433 transitions. Second operand has 18 states, 18 states have (on average 2.6666666666666665) internal successors, (48), 18 states have internal predecessors, (48), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-11-12 02:25:17,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:25:17,323 INFO L93 Difference]: Finished difference Result 354 states and 512 transitions. [2024-11-12 02:25:17,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-12 02:25:17,324 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.6666666666666665) internal successors, (48), 18 states have internal predecessors, (48), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 215 [2024-11-12 02:25:17,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:25:17,326 INFO L225 Difference]: With dead ends: 354 [2024-11-12 02:25:17,327 INFO L226 Difference]: Without dead ends: 352 [2024-11-12 02:25:17,327 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=309, Invalid=881, Unknown=0, NotChecked=0, Total=1190 [2024-11-12 02:25:17,328 INFO L435 NwaCegarLoop]: 130 mSDtfsCounter, 350 mSDsluCounter, 1025 mSDsCounter, 0 mSdLazyCounter, 947 mSolverCounterSat, 171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 1155 SdHoareTripleChecker+Invalid, 1118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 171 IncrementalHoareTripleChecker+Valid, 947 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-12 02:25:17,328 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [350 Valid, 1155 Invalid, 1118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [171 Valid, 947 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-12 02:25:17,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2024-11-12 02:25:17,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 294. [2024-11-12 02:25:17,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 188 states have (on average 1.2872340425531914) internal successors, (242), 188 states have internal predecessors, (242), 102 states have call successors, (102), 3 states have call predecessors, (102), 3 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-12 02:25:17,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 446 transitions. [2024-11-12 02:25:17,355 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 446 transitions. Word has length 215 [2024-11-12 02:25:17,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:25:17,355 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 446 transitions. [2024-11-12 02:25:17,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.6666666666666665) internal successors, (48), 18 states have internal predecessors, (48), 3 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2024-11-12 02:25:17,356 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 446 transitions. [2024-11-12 02:25:17,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-12 02:25:17,358 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:25:17,358 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] [2024-11-12 02:25:17,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-12 02:25:17,358 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:25:17,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:25:17,359 INFO L85 PathProgramCache]: Analyzing trace with hash -1191817507, now seen corresponding path program 1 times [2024-11-12 02:25:17,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:25:17,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570642787] [2024-11-12 02:25:17,359 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:25:17,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:25:17,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:23,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:25:23,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:23,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:25:23,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:23,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:25:23,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:23,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:25:23,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:23,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:25:23,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:23,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:25:23,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:23,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:25:23,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:23,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:25:23,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:23,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:25:23,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:23,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:25:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:23,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:25:23,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:23,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:25:23,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:23,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 02:25:23,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:23,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:25:23,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:23,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 02:25:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:23,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:25:23,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:23,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 02:25:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:23,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:25:23,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:23,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:25:23,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:23,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:25:23,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:23,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 02:25:23,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:23,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:25:23,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:23,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 02:25:23,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:23,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:25:23,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:23,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 02:25:23,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:23,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:25:23,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:23,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:25:23,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:23,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 02:25:23,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:23,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 02:25:23,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:23,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 02:25:23,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:23,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 02:25:23,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:23,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 02:25:23,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:23,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 02:25:23,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:23,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 02:25:23,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:23,785 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 02:25:23,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:25:23,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570642787] [2024-11-12 02:25:23,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570642787] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:25:23,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:25:23,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-12 02:25:23,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40107116] [2024-11-12 02:25:23,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:25:23,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-12 02:25:23,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:25:23,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-12 02:25:23,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2024-11-12 02:25:23,789 INFO L87 Difference]: Start difference. First operand 294 states and 446 transitions. Second operand has 16 states, 16 states have (on average 3.0) internal successors, (48), 16 states have internal predecessors, (48), 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 02:25:29,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:25:29,212 INFO L93 Difference]: Finished difference Result 348 states and 506 transitions. [2024-11-12 02:25:29,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-12 02:25:29,213 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.0) internal successors, (48), 16 states have internal predecessors, (48), 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 215 [2024-11-12 02:25:29,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:25:29,216 INFO L225 Difference]: With dead ends: 348 [2024-11-12 02:25:29,217 INFO L226 Difference]: Without dead ends: 346 [2024-11-12 02:25:29,217 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=194, Invalid=562, Unknown=0, NotChecked=0, Total=756 [2024-11-12 02:25:29,218 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 283 mSDsluCounter, 915 mSDsCounter, 0 mSdLazyCounter, 597 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 1051 SdHoareTripleChecker+Invalid, 702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-12 02:25:29,219 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 1051 Invalid, 702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 597 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-12 02:25:29,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-11-12 02:25:29,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 294. [2024-11-12 02:25:29,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 294 states, 188 states have (on average 1.2872340425531914) internal successors, (242), 188 states have internal predecessors, (242), 102 states have call successors, (102), 3 states have call predecessors, (102), 3 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-12 02:25:29,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 446 transitions. [2024-11-12 02:25:29,250 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 446 transitions. Word has length 215 [2024-11-12 02:25:29,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:25:29,250 INFO L471 AbstractCegarLoop]: Abstraction has 294 states and 446 transitions. [2024-11-12 02:25:29,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.0) internal successors, (48), 16 states have internal predecessors, (48), 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 02:25:29,251 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 446 transitions. [2024-11-12 02:25:29,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-12 02:25:29,254 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:25:29,254 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] [2024-11-12 02:25:29,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 02:25:29,255 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:25:29,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:25:29,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1257172915, now seen corresponding path program 1 times [2024-11-12 02:25:29,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:25:29,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348113623] [2024-11-12 02:25:29,256 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:25:29,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:25:29,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:32,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:25:32,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:32,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:25:32,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:32,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:25:32,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:32,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:25:32,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:32,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:25:32,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:32,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:25:32,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:32,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:25:32,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:32,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:25:32,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:32,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:25:32,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:32,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:25:32,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:32,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:25:32,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:32,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:25:32,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:32,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 02:25:32,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:32,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:25:32,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:32,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 02:25:32,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:32,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:25:32,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:32,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 02:25:32,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:32,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:25:32,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:32,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:25:32,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:32,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:25:32,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:32,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 02:25:32,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:32,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:25:32,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:32,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 02:25:32,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:32,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:25:32,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:32,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 02:25:32,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:32,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:25:32,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:32,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:25:32,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:32,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 02:25:32,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:32,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 02:25:32,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:32,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 02:25:32,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:32,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 02:25:32,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:32,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 02:25:32,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:32,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 02:25:32,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:32,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 02:25:32,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:32,318 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 02:25:32,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:25:32,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348113623] [2024-11-12 02:25:32,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348113623] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:25:32,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:25:32,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-12 02:25:32,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750369508] [2024-11-12 02:25:32,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:25:32,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-12 02:25:32,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:25:32,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-12 02:25:32,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2024-11-12 02:25:32,321 INFO L87 Difference]: Start difference. First operand 294 states and 446 transitions. Second operand has 17 states, 17 states have (on average 2.8823529411764706) internal successors, (49), 17 states have internal predecessors, (49), 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 02:25:33,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 02:25:33,153 INFO L93 Difference]: Finished difference Result 336 states and 492 transitions. [2024-11-12 02:25:33,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-12 02:25:33,154 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.8823529411764706) internal successors, (49), 17 states have internal predecessors, (49), 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 216 [2024-11-12 02:25:33,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 02:25:33,157 INFO L225 Difference]: With dead ends: 336 [2024-11-12 02:25:33,157 INFO L226 Difference]: Without dead ends: 334 [2024-11-12 02:25:33,158 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=241, Invalid=689, Unknown=0, NotChecked=0, Total=930 [2024-11-12 02:25:33,158 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 353 mSDsluCounter, 845 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 987 SdHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 02:25:33,159 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 987 Invalid, 564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 02:25:33,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2024-11-12 02:25:33,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 291. [2024-11-12 02:25:33,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 185 states have (on average 1.2864864864864864) internal successors, (238), 185 states have internal predecessors, (238), 102 states have call successors, (102), 3 states have call predecessors, (102), 3 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-12 02:25:33,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 442 transitions. [2024-11-12 02:25:33,187 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 442 transitions. Word has length 216 [2024-11-12 02:25:33,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 02:25:33,187 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 442 transitions. [2024-11-12 02:25:33,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.8823529411764706) internal successors, (49), 17 states have internal predecessors, (49), 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 02:25:33,188 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 442 transitions. [2024-11-12 02:25:33,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-12 02:25:33,190 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 02:25:33,190 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] [2024-11-12 02:25:33,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-12 02:25:33,190 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 02:25:33,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 02:25:33,191 INFO L85 PathProgramCache]: Analyzing trace with hash -2138228398, now seen corresponding path program 1 times [2024-11-12 02:25:33,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 02:25:33,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779356862] [2024-11-12 02:25:33,191 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 02:25:33,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 02:25:33,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:40,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 02:25:40,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:40,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 02:25:40,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:40,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 02:25:40,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:40,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 02:25:40,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:40,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 02:25:40,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:40,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 02:25:40,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:40,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 02:25:40,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:40,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 02:25:40,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:40,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 02:25:40,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:40,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 02:25:40,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:40,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 02:25:40,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:40,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 02:25:40,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:40,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 02:25:40,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:40,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 02:25:40,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:40,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-12 02:25:40,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:40,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 02:25:40,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:40,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-12 02:25:40,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:40,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 02:25:40,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:40,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 02:25:40,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:40,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 02:25:40,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:40,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 02:25:40,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:40,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 02:25:40,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:40,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 02:25:40,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:40,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-12 02:25:40,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:40,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-12 02:25:40,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:40,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-12 02:25:40,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:40,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-12 02:25:40,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:40,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-12 02:25:40,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:40,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-12 02:25:40,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:40,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-12 02:25:40,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:40,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-12 02:25:40,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:40,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-12 02:25:40,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:40,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-12 02:25:40,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:40,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-12 02:25:40,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 02:25:40,658 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 02:25:40,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 02:25:40,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779356862] [2024-11-12 02:25:40,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779356862] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 02:25:40,659 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 02:25:40,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-12 02:25:40,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656448990] [2024-11-12 02:25:40,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 02:25:40,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-12 02:25:40,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 02:25:40,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-12 02:25:40,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 [2024-11-12 02:25:40,661 INFO L87 Difference]: Start difference. First operand 291 states and 442 transitions. Second operand has 17 states, 17 states have (on average 2.8823529411764706) internal successors, (49), 17 states have internal predecessors, (49), 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)