./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-26.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_loopvsstraightlinecode_100-while_file-26.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 0cc8a0783ec7e65aec5bb1b8ce7f7837d17a7d27f4f67ff4962ce15c1b498ac3 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 05:08:02,081 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 05:08:02,157 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-12 05:08:02,161 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 05:08:02,162 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 05:08:02,192 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 05:08:02,193 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 05:08:02,193 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 05:08:02,194 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 05:08:02,195 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 05:08:02,195 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 05:08:02,196 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 05:08:02,196 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 05:08:02,197 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 05:08:02,197 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 05:08:02,198 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 05:08:02,198 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 05:08:02,199 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 05:08:02,199 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 05:08:02,199 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 05:08:02,200 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 05:08:02,200 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 05:08:02,204 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 05:08:02,205 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 05:08:02,205 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 05:08:02,205 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 05:08:02,205 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 05:08:02,205 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 05:08:02,206 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 05:08:02,206 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 05:08:02,206 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 05:08:02,206 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 05:08:02,207 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 05:08:02,207 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 05:08:02,207 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 05:08:02,207 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 05:08:02,207 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 05:08:02,208 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 05:08:02,208 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 05:08:02,208 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 05:08:02,209 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 05:08:02,209 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 05:08:02,209 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cc8a0783ec7e65aec5bb1b8ce7f7837d17a7d27f4f67ff4962ce15c1b498ac3 [2024-11-12 05:08:02,479 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 05:08:02,504 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 05:08:02,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 05:08:02,511 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 05:08:02,512 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 05:08:02,513 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-26.i [2024-11-12 05:08:04,021 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 05:08:04,249 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 05:08:04,250 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-26.i [2024-11-12 05:08:04,268 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db7ccd4ce/c620db5d45c8421bb89ed3bbd079c8f7/FLAG8ba91cb83 [2024-11-12 05:08:04,604 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db7ccd4ce/c620db5d45c8421bb89ed3bbd079c8f7 [2024-11-12 05:08:04,607 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 05:08:04,609 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 05:08:04,612 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 05:08:04,613 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 05:08:04,618 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 05:08:04,619 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:08:04" (1/1) ... [2024-11-12 05:08:04,620 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70961972 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:08:04, skipping insertion in model container [2024-11-12 05:08:04,622 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 05:08:04" (1/1) ... [2024-11-12 05:08:04,654 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 05:08:04,832 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_loopvsstraightlinecode_100-while_file-26.i[916,929] [2024-11-12 05:08:04,927 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 05:08:04,939 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 05:08:04,956 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_loopvsstraightlinecode_100-while_file-26.i[916,929] [2024-11-12 05:08:04,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 05:08:05,017 INFO L204 MainTranslator]: Completed translation [2024-11-12 05:08:05,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:08:05 WrapperNode [2024-11-12 05:08:05,018 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 05:08:05,023 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 05:08:05,023 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 05:08:05,023 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 05:08:05,031 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:08:05" (1/1) ... [2024-11-12 05:08:05,044 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:08:05" (1/1) ... [2024-11-12 05:08:05,095 INFO L138 Inliner]: procedures = 26, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 236 [2024-11-12 05:08:05,096 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 05:08:05,098 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 05:08:05,098 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 05:08:05,098 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 05:08:05,108 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:08:05" (1/1) ... [2024-11-12 05:08:05,108 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:08:05" (1/1) ... [2024-11-12 05:08:05,113 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:08:05" (1/1) ... [2024-11-12 05:08:05,142 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 05:08:05,144 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:08:05" (1/1) ... [2024-11-12 05:08:05,144 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:08:05" (1/1) ... [2024-11-12 05:08:05,159 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:08:05" (1/1) ... [2024-11-12 05:08:05,167 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:08:05" (1/1) ... [2024-11-12 05:08:05,179 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:08:05" (1/1) ... [2024-11-12 05:08:05,186 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:08:05" (1/1) ... [2024-11-12 05:08:05,196 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 05:08:05,198 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 05:08:05,199 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 05:08:05,199 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 05:08:05,200 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:08:05" (1/1) ... [2024-11-12 05:08:05,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 05:08:05,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 05:08:05,246 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 05:08:05,250 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 05:08:05,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 05:08:05,342 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 05:08:05,342 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 05:08:05,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 05:08:05,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 05:08:05,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 05:08:05,497 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 05:08:05,503 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 05:08:05,953 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-12 05:08:05,954 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 05:08:05,972 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 05:08:05,973 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 05:08:05,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:08:05 BoogieIcfgContainer [2024-11-12 05:08:05,973 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 05:08:05,976 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 05:08:05,977 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 05:08:05,981 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 05:08:05,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 05:08:04" (1/3) ... [2024-11-12 05:08:05,982 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32291063 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:08:05, skipping insertion in model container [2024-11-12 05:08:05,983 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 05:08:05" (2/3) ... [2024-11-12 05:08:05,983 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32291063 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 05:08:05, skipping insertion in model container [2024-11-12 05:08:05,983 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 05:08:05" (3/3) ... [2024-11-12 05:08:05,985 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-26.i [2024-11-12 05:08:06,004 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 05:08:06,005 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 05:08:06,076 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 05:08:06,082 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;@408b1440, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 05:08:06,083 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 05:08:06,088 INFO L276 IsEmpty]: Start isEmpty. Operand has 102 states, 69 states have (on average 1.434782608695652) internal successors, (99), 70 states have internal predecessors, (99), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-12 05:08:06,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-12 05:08:06,102 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:08:06,103 INFO L218 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:08:06,104 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:08:06,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:08:06,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1644958726, now seen corresponding path program 1 times [2024-11-12 05:08:06,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:08:06,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845114899] [2024-11-12 05:08:06,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:08:06,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:08:06,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:06,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:08:06,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:06,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:08:06,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:06,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:08:06,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:06,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:08:06,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:06,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:08:06,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:06,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:08:06,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:06,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 05:08:06,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:06,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:08:06,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:06,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 05:08:06,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:06,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 05:08:06,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:06,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 05:08:06,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:06,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 05:08:06,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:06,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 05:08:06,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:06,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 05:08:06,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:06,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 05:08:06,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:06,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 05:08:06,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:06,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 05:08:06,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:06,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 05:08:06,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:06,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 05:08:06,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:06,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 05:08:06,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:06,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 05:08:06,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:06,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 05:08:06,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:06,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:08:06,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:06,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 05:08:06,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:06,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 05:08:06,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:06,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 05:08:06,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:06,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 05:08:06,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:06,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 05:08:06,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:06,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 05:08:06,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:06,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 05:08:06,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:06,764 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-11-12 05:08:06,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:08:06,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845114899] [2024-11-12 05:08:06,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845114899] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:08:06,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:08:06,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 05:08:06,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699552636] [2024-11-12 05:08:06,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:08:06,777 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 05:08:06,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:08:06,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 05:08:06,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 05:08:06,812 INFO L87 Difference]: Start difference. First operand has 102 states, 69 states have (on average 1.434782608695652) internal successors, (99), 70 states have internal predecessors, (99), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-12 05:08:06,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:08:06,854 INFO L93 Difference]: Finished difference Result 197 states and 342 transitions. [2024-11-12 05:08:06,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 05:08:06,856 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 2 states have call successors, (30) Word has length 197 [2024-11-12 05:08:06,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:08:06,866 INFO L225 Difference]: With dead ends: 197 [2024-11-12 05:08:06,866 INFO L226 Difference]: Without dead ends: 98 [2024-11-12 05:08:06,870 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 92 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 05:08:06,874 INFO L435 NwaCegarLoop]: 152 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, 152 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 05:08:06,875 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 05:08:06,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-12 05:08:06,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2024-11-12 05:08:06,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 66 states have (on average 1.393939393939394) internal successors, (92), 66 states have internal predecessors, (92), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-12 05:08:06,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 152 transitions. [2024-11-12 05:08:06,923 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 152 transitions. Word has length 197 [2024-11-12 05:08:06,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:08:06,924 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 152 transitions. [2024-11-12 05:08:06,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-12 05:08:06,925 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 152 transitions. [2024-11-12 05:08:06,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-12 05:08:06,930 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:08:06,930 INFO L218 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:08:06,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 05:08:06,931 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:08:06,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:08:06,932 INFO L85 PathProgramCache]: Analyzing trace with hash -1264934410, now seen corresponding path program 1 times [2024-11-12 05:08:06,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:08:06,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230753852] [2024-11-12 05:08:06,932 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:08:06,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:08:07,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:07,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:08:07,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:07,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:08:07,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:07,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:08:07,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:07,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:08:07,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:07,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:08:07,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:07,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:08:07,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:07,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 05:08:07,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:07,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:08:07,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:07,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 05:08:07,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:07,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 05:08:07,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:07,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 05:08:07,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:07,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 05:08:07,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:07,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 05:08:07,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:07,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 05:08:07,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:07,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 05:08:07,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:07,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 05:08:07,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:07,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 05:08:07,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:07,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 05:08:07,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:07,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 05:08:07,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:07,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 05:08:07,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:07,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 05:08:07,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:07,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 05:08:07,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:07,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:08:07,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:07,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 05:08:07,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:07,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 05:08:07,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:07,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 05:08:07,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:07,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 05:08:07,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:07,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 05:08:07,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:07,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 05:08:07,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:07,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 05:08:07,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:07,779 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-11-12 05:08:07,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:08:07,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230753852] [2024-11-12 05:08:07,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230753852] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:08:07,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:08:07,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 05:08:07,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029742826] [2024-11-12 05:08:07,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:08:07,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 05:08:07,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:08:07,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 05:08:07,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 05:08:07,788 INFO L87 Difference]: Start difference. First operand 98 states and 152 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-12 05:08:07,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:08:07,856 INFO L93 Difference]: Finished difference Result 288 states and 450 transitions. [2024-11-12 05:08:07,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 05:08:07,857 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 197 [2024-11-12 05:08:07,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:08:07,861 INFO L225 Difference]: With dead ends: 288 [2024-11-12 05:08:07,861 INFO L226 Difference]: Without dead ends: 193 [2024-11-12 05:08:07,862 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 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 05:08:07,863 INFO L435 NwaCegarLoop]: 253 mSDtfsCounter, 146 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 05:08:07,864 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 399 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 05:08:07,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2024-11-12 05:08:07,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 99. [2024-11-12 05:08:07,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 67 states have (on average 1.3880597014925373) internal successors, (93), 67 states have internal predecessors, (93), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-12 05:08:07,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 153 transitions. [2024-11-12 05:08:07,882 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 153 transitions. Word has length 197 [2024-11-12 05:08:07,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:08:07,884 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 153 transitions. [2024-11-12 05:08:07,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-12 05:08:07,885 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 153 transitions. [2024-11-12 05:08:07,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-12 05:08:07,888 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:08:07,888 INFO L218 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:08:07,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 05:08:07,889 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:08:07,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:08:07,889 INFO L85 PathProgramCache]: Analyzing trace with hash 2008964532, now seen corresponding path program 1 times [2024-11-12 05:08:07,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:08:07,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157599629] [2024-11-12 05:08:07,890 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:08:07,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:08:07,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:08:08,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:08:08,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:08:08,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:08:08,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:08:08,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:08:08,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 05:08:08,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:08:08,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 05:08:08,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 05:08:08,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 05:08:08,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 05:08:08,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 05:08:08,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 05:08:08,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 05:08:08,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 05:08:08,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 05:08:08,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 05:08:08,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 05:08:08,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 05:08:08,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 05:08:08,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 05:08:08,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:08:08,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 05:08:08,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 05:08:08,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 05:08:08,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 05:08:08,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 05:08:08,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 05:08:08,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 05:08:08,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:08,868 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-11-12 05:08:08,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:08:08,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157599629] [2024-11-12 05:08:08,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157599629] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:08:08,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:08:08,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 05:08:08,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275185779] [2024-11-12 05:08:08,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:08:08,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 05:08:08,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:08:08,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 05:08:08,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-12 05:08:08,874 INFO L87 Difference]: Start difference. First operand 99 states and 153 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-12 05:08:09,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:08:09,095 INFO L93 Difference]: Finished difference Result 301 states and 459 transitions. [2024-11-12 05:08:09,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 05:08:09,097 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 197 [2024-11-12 05:08:09,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:08:09,099 INFO L225 Difference]: With dead ends: 301 [2024-11-12 05:08:09,100 INFO L226 Difference]: Without dead ends: 205 [2024-11-12 05:08:09,104 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-12 05:08:09,107 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 178 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 05:08:09,107 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 487 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 05:08:09,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-11-12 05:08:09,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 173. [2024-11-12 05:08:09,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 134 states have (on average 1.455223880597015) internal successors, (195), 135 states have internal predecessors, (195), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 35 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-12 05:08:09,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 267 transitions. [2024-11-12 05:08:09,142 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 267 transitions. Word has length 197 [2024-11-12 05:08:09,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:08:09,143 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 267 transitions. [2024-11-12 05:08:09,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-12 05:08:09,144 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 267 transitions. [2024-11-12 05:08:09,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-12 05:08:09,148 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:08:09,149 INFO L218 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:08:09,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 05:08:09,150 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:08:09,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:08:09,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1093161249, now seen corresponding path program 1 times [2024-11-12 05:08:09,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:08:09,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303195839] [2024-11-12 05:08:09,153 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:08:09,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:08:09,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:08:09,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:08:09,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:08:09,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:08:09,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:08:09,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:08:09,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 05:08:09,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:08:09,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 05:08:09,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 05:08:09,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 05:08:09,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 05:08:09,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 05:08:09,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 05:08:09,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 05:08:09,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 05:08:09,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 05:08:09,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 05:08:09,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 05:08:09,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 05:08:09,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 05:08:09,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 05:08:09,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:08:09,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 05:08:09,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 05:08:09,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 05:08:09,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 05:08:09,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 05:08:09,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 05:08:09,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 05:08:09,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:09,693 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-11-12 05:08:09,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:08:09,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303195839] [2024-11-12 05:08:09,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303195839] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:08:09,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:08:09,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 05:08:09,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117056141] [2024-11-12 05:08:09,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:08:09,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 05:08:09,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:08:09,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 05:08:09,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 05:08:09,696 INFO L87 Difference]: Start difference. First operand 173 states and 267 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-12 05:08:09,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:08:09,966 INFO L93 Difference]: Finished difference Result 561 states and 864 transitions. [2024-11-12 05:08:09,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 05:08:09,967 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 198 [2024-11-12 05:08:09,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:08:09,972 INFO L225 Difference]: With dead ends: 561 [2024-11-12 05:08:09,972 INFO L226 Difference]: Without dead ends: 391 [2024-11-12 05:08:09,973 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-12 05:08:09,975 INFO L435 NwaCegarLoop]: 181 mSDtfsCounter, 157 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 05:08:09,975 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 586 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 05:08:09,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2024-11-12 05:08:10,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 321. [2024-11-12 05:08:10,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 244 states have (on average 1.4467213114754098) internal successors, (353), 246 states have internal predecessors, (353), 72 states have call successors, (72), 4 states have call predecessors, (72), 4 states have return successors, (72), 70 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-12 05:08:10,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 497 transitions. [2024-11-12 05:08:10,012 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 497 transitions. Word has length 198 [2024-11-12 05:08:10,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:08:10,013 INFO L471 AbstractCegarLoop]: Abstraction has 321 states and 497 transitions. [2024-11-12 05:08:10,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-11-12 05:08:10,013 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 497 transitions. [2024-11-12 05:08:10,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-12 05:08:10,016 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:08:10,016 INFO L218 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:08:10,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 05:08:10,017 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:08:10,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:08:10,017 INFO L85 PathProgramCache]: Analyzing trace with hash 1233709859, now seen corresponding path program 1 times [2024-11-12 05:08:10,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:08:10,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793508256] [2024-11-12 05:08:10,018 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:08:10,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:08:10,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:10,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:08:10,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:10,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:08:10,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:10,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:08:10,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:10,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:08:10,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:10,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:08:10,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:10,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:08:10,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:10,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 05:08:10,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:10,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:08:10,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:10,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 05:08:10,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:10,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 05:08:10,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:10,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 05:08:10,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:10,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 05:08:10,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:10,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 05:08:10,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:10,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 05:08:10,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:10,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 05:08:10,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:10,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 05:08:10,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:10,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 05:08:10,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:10,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 05:08:10,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:10,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 05:08:10,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:10,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 05:08:10,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:10,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 05:08:10,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:10,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 05:08:10,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:10,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:08:10,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:10,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 05:08:10,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:10,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 05:08:10,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:10,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 05:08:10,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:10,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 05:08:10,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:10,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 05:08:10,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:10,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 05:08:10,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:10,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 05:08:10,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:10,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-11-12 05:08:10,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:08:10,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793508256] [2024-11-12 05:08:10,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793508256] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:08:10,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:08:10,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-12 05:08:10,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630653348] [2024-11-12 05:08:10,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:08:10,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 05:08:10,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:08:10,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 05:08:10,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-12 05:08:10,539 INFO L87 Difference]: Start difference. First operand 321 states and 497 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 2 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-12 05:08:10,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:08:10,798 INFO L93 Difference]: Finished difference Result 809 states and 1255 transitions. [2024-11-12 05:08:10,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 05:08:10,799 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 2 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 198 [2024-11-12 05:08:10,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:08:10,805 INFO L225 Difference]: With dead ends: 809 [2024-11-12 05:08:10,805 INFO L226 Difference]: Without dead ends: 491 [2024-11-12 05:08:10,806 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-12 05:08:10,809 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 116 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 05:08:10,810 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 594 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 05:08:10,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2024-11-12 05:08:10,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 489. [2024-11-12 05:08:10,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 489 states, 374 states have (on average 1.4411764705882353) internal successors, (539), 377 states have internal predecessors, (539), 108 states have call successors, (108), 6 states have call predecessors, (108), 6 states have return successors, (108), 105 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-12 05:08:10,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 755 transitions. [2024-11-12 05:08:10,869 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 755 transitions. Word has length 198 [2024-11-12 05:08:10,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:08:10,870 INFO L471 AbstractCegarLoop]: Abstraction has 489 states and 755 transitions. [2024-11-12 05:08:10,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 2 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-12 05:08:10,871 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 755 transitions. [2024-11-12 05:08:10,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-12 05:08:10,873 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:08:10,873 INFO L218 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:08:10,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 05:08:10,874 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:08:10,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:08:10,874 INFO L85 PathProgramCache]: Analyzing trace with hash 416061409, now seen corresponding path program 1 times [2024-11-12 05:08:10,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:08:10,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688426215] [2024-11-12 05:08:10,875 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:08:10,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:08:10,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:11,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:08:11,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:11,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:08:11,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:11,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:08:11,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:11,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:08:11,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:11,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:08:11,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:11,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:08:11,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:11,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 05:08:11,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:11,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:08:11,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:11,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 05:08:11,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:11,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 05:08:11,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:11,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 05:08:11,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:11,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 05:08:11,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:11,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 05:08:11,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:11,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 05:08:11,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:11,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 05:08:11,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:11,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 05:08:11,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:11,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 05:08:11,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:11,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 05:08:11,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:11,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 05:08:11,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:11,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 05:08:11,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:11,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 05:08:11,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:11,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 05:08:11,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:11,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:08:11,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:11,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 05:08:11,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:11,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 05:08:11,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:11,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 05:08:11,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:11,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 05:08:11,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:11,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 05:08:11,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:11,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 05:08:11,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:11,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 05:08:11,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:11,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-11-12 05:08:11,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:08:11,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688426215] [2024-11-12 05:08:11,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688426215] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:08:11,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:08:11,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-12 05:08:11,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591980661] [2024-11-12 05:08:11,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:08:11,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 05:08:11,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:08:11,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 05:08:11,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-12 05:08:11,847 INFO L87 Difference]: Start difference. First operand 489 states and 755 transitions. Second operand has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 2 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-12 05:08:13,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:08:13,047 INFO L93 Difference]: Finished difference Result 1627 states and 2505 transitions. [2024-11-12 05:08:13,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-12 05:08:13,048 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 2 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 198 [2024-11-12 05:08:13,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:08:13,059 INFO L225 Difference]: With dead ends: 1627 [2024-11-12 05:08:13,060 INFO L226 Difference]: Without dead ends: 1141 [2024-11-12 05:08:13,062 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2024-11-12 05:08:13,064 INFO L435 NwaCegarLoop]: 231 mSDtfsCounter, 314 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 785 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 1069 SdHoareTripleChecker+Invalid, 907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 785 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-12 05:08:13,065 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 1069 Invalid, 907 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 785 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-12 05:08:13,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1141 states. [2024-11-12 05:08:13,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1141 to 1121. [2024-11-12 05:08:13,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1121 states, 854 states have (on average 1.4320843091334894) internal successors, (1223), 861 states have internal predecessors, (1223), 252 states have call successors, (252), 14 states have call predecessors, (252), 14 states have return successors, (252), 245 states have call predecessors, (252), 252 states have call successors, (252) [2024-11-12 05:08:13,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 1121 states and 1727 transitions. [2024-11-12 05:08:13,239 INFO L78 Accepts]: Start accepts. Automaton has 1121 states and 1727 transitions. Word has length 198 [2024-11-12 05:08:13,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:08:13,240 INFO L471 AbstractCegarLoop]: Abstraction has 1121 states and 1727 transitions. [2024-11-12 05:08:13,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 2 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-11-12 05:08:13,241 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1727 transitions. [2024-11-12 05:08:13,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-12 05:08:13,245 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:08:13,245 INFO L218 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:08:13,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 05:08:13,246 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:08:13,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:08:13,246 INFO L85 PathProgramCache]: Analyzing trace with hash -393285217, now seen corresponding path program 1 times [2024-11-12 05:08:13,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:08:13,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829798478] [2024-11-12 05:08:13,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:08:13,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:08:13,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:24,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-12 05:08:24,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:24,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-12 05:08:24,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:24,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-12 05:08:24,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:24,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-12 05:08:24,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:24,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 05:08:24,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:24,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 05:08:24,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:24,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 05:08:24,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:24,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 05:08:24,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:24,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 05:08:24,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:24,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-12 05:08:24,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:24,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-12 05:08:24,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:24,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 05:08:24,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:24,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-12 05:08:24,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:24,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-12 05:08:24,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:24,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 05:08:24,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:24,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-12 05:08:24,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:24,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-12 05:08:24,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:24,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 05:08:24,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:24,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 05:08:24,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:24,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 05:08:24,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:24,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 05:08:24,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:24,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 05:08:24,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:24,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-12 05:08:24,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:24,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 05:08:24,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:24,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 05:08:24,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:24,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-12 05:08:24,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:24,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-12 05:08:24,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:24,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-12 05:08:24,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:24,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-12 05:08:24,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:24,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-12 05:08:24,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 05:08:24,398 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-11-12 05:08:24,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 05:08:24,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829798478] [2024-11-12 05:08:24,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829798478] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 05:08:24,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 05:08:24,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-12 05:08:24,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179795571] [2024-11-12 05:08:24,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 05:08:24,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-12 05:08:24,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 05:08:24,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-12 05:08:24,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-12 05:08:24,401 INFO L87 Difference]: Start difference. First operand 1121 states and 1727 transitions. Second operand has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 4 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2024-11-12 05:08:26,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 05:08:26,369 INFO L93 Difference]: Finished difference Result 2927 states and 4467 transitions. [2024-11-12 05:08:26,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 05:08:26,370 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 4 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) Word has length 198 [2024-11-12 05:08:26,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 05:08:26,382 INFO L225 Difference]: With dead ends: 2927 [2024-11-12 05:08:26,382 INFO L226 Difference]: Without dead ends: 1809 [2024-11-12 05:08:26,386 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2024-11-12 05:08:26,388 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 850 mSDsluCounter, 854 mSDsCounter, 0 mSdLazyCounter, 783 mSolverCounterSat, 180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 850 SdHoareTripleChecker+Valid, 990 SdHoareTripleChecker+Invalid, 963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 783 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-12 05:08:26,390 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [850 Valid, 990 Invalid, 963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [180 Valid, 783 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-12 05:08:26,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1809 states. [2024-11-12 05:08:26,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1809 to 1281. [2024-11-12 05:08:26,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1281 states, 1014 states have (on average 1.4487179487179487) internal successors, (1469), 1021 states have internal predecessors, (1469), 252 states have call successors, (252), 14 states have call predecessors, (252), 14 states have return successors, (252), 245 states have call predecessors, (252), 252 states have call successors, (252) [2024-11-12 05:08:26,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 1281 states and 1973 transitions. [2024-11-12 05:08:26,499 INFO L78 Accepts]: Start accepts. Automaton has 1281 states and 1973 transitions. Word has length 198 [2024-11-12 05:08:26,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 05:08:26,499 INFO L471 AbstractCegarLoop]: Abstraction has 1281 states and 1973 transitions. [2024-11-12 05:08:26,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 4 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 4 states have call predecessors, (30), 4 states have call successors, (30) [2024-11-12 05:08:26,500 INFO L276 IsEmpty]: Start isEmpty. Operand 1281 states and 1973 transitions. [2024-11-12 05:08:26,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-12 05:08:26,505 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 05:08:26,505 INFO L218 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:08:26,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 05:08:26,506 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 05:08:26,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 05:08:26,507 INFO L85 PathProgramCache]: Analyzing trace with hash -980091231, now seen corresponding path program 1 times [2024-11-12 05:08:26,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 05:08:26,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140090973] [2024-11-12 05:08:26,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 05:08:26,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 05:08:26,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat