./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d16_e0.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d16_e0.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-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 64bit --witnessprinter.graph.data.programhash b58c5e80ee969397030b74a8310e40cf5de69934e0fdffd3481e8555498390ac --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 05:25:59,314 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 05:25:59,369 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-14 05:25:59,373 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 05:25:59,375 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 05:25:59,397 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 05:25:59,398 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 05:25:59,398 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 05:25:59,399 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 05:25:59,400 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 05:25:59,400 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 05:25:59,401 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 05:25:59,401 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 05:25:59,402 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 05:25:59,403 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 05:25:59,403 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 05:25:59,403 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 05:25:59,403 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 05:25:59,403 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 05:25:59,405 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 05:25:59,405 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 05:25:59,406 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 05:25:59,406 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 05:25:59,406 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 05:25:59,406 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 05:25:59,406 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 05:25:59,406 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 05:25:59,406 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 05:25:59,407 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 05:25:59,407 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 05:25:59,407 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 05:25:59,407 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 05:25:59,407 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 05:25:59,407 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 05:25:59,407 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 05:25:59,407 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 05:25:59,408 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 05:25:59,408 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 05:25:59,408 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 05:25:59,408 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b58c5e80ee969397030b74a8310e40cf5de69934e0fdffd3481e8555498390ac [2024-10-14 05:25:59,632 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 05:25:59,654 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 05:25:59,656 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 05:25:59,657 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 05:25:59,658 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 05:25:59,658 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d16_e0.c [2024-10-14 05:26:00,897 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 05:26:01,158 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 05:26:01,158 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d16_e0.c [2024-10-14 05:26:01,172 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58e9f3505/24d0c863d9d74dd09a9c8d02354498a3/FLAG808fdf8ad [2024-10-14 05:26:01,474 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58e9f3505/24d0c863d9d74dd09a9c8d02354498a3 [2024-10-14 05:26:01,478 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 05:26:01,480 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 05:26:01,481 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 05:26:01,481 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 05:26:01,486 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 05:26:01,489 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:26:01" (1/1) ... [2024-10-14 05:26:01,490 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@da84ed5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:26:01, skipping insertion in model container [2024-10-14 05:26:01,490 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 05:26:01" (1/1) ... [2024-10-14 05:26:01,537 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 05:26:01,687 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d16_e0.c[1271,1284] [2024-10-14 05:26:01,930 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 05:26:01,947 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 05:26:01,958 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w16_d16_e0.c[1271,1284] [2024-10-14 05:26:02,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 05:26:02,080 INFO L204 MainTranslator]: Completed translation [2024-10-14 05:26:02,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:26:02 WrapperNode [2024-10-14 05:26:02,080 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 05:26:02,081 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 05:26:02,081 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 05:26:02,081 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 05:26:02,086 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:26:02" (1/1) ... [2024-10-14 05:26:02,131 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:26:02" (1/1) ... [2024-10-14 05:26:02,509 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3959 [2024-10-14 05:26:02,510 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 05:26:02,511 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 05:26:02,511 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 05:26:02,511 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 05:26:02,519 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:26:02" (1/1) ... [2024-10-14 05:26:02,520 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:26:02" (1/1) ... [2024-10-14 05:26:02,596 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:26:02" (1/1) ... [2024-10-14 05:26:02,667 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]. [2024-10-14 05:26:02,667 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:26:02" (1/1) ... [2024-10-14 05:26:02,667 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:26:02" (1/1) ... [2024-10-14 05:26:02,793 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:26:02" (1/1) ... [2024-10-14 05:26:02,819 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:26:02" (1/1) ... [2024-10-14 05:26:02,843 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:26:02" (1/1) ... [2024-10-14 05:26:02,863 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:26:02" (1/1) ... [2024-10-14 05:26:02,923 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 05:26:02,925 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 05:26:02,925 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 05:26:02,925 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 05:26:02,926 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:26:02" (1/1) ... [2024-10-14 05:26:02,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 05:26:02,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 05:26:02,958 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) [2024-10-14 05:26:02,961 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 [2024-10-14 05:26:03,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 05:26:03,034 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 05:26:03,034 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 05:26:03,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 05:26:03,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 05:26:03,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 05:26:03,393 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 05:26:03,394 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 05:26:06,382 INFO L? ?]: Removed 2212 outVars from TransFormulas that were not future-live. [2024-10-14 05:26:06,382 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 05:26:06,462 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 05:26:06,464 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 05:26:06,464 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:26:06 BoogieIcfgContainer [2024-10-14 05:26:06,464 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 05:26:06,465 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 05:26:06,466 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 05:26:06,469 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 05:26:06,469 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 05:26:01" (1/3) ... [2024-10-14 05:26:06,470 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ae049d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:26:06, skipping insertion in model container [2024-10-14 05:26:06,470 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 05:26:02" (2/3) ... [2024-10-14 05:26:06,470 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ae049d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 05:26:06, skipping insertion in model container [2024-10-14 05:26:06,470 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 05:26:06" (3/3) ... [2024-10-14 05:26:06,472 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.arbitrated_top_n2_w16_d16_e0.c [2024-10-14 05:26:06,485 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 05:26:06,485 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 05:26:06,568 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 05:26:06,573 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;@6a6eb701, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 05:26:06,574 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 05:26:06,581 INFO L276 IsEmpty]: Start isEmpty. Operand has 1157 states, 1147 states have (on average 1.4969485614646905) internal successors, (1717), 1148 states have internal predecessors, (1717), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-14 05:26:06,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2024-10-14 05:26:06,600 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:26:06,601 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 05:26:06,601 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:26:06,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:26:06,605 INFO L85 PathProgramCache]: Analyzing trace with hash 439932349, now seen corresponding path program 1 times [2024-10-14 05:26:06,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:26:06,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247327134] [2024-10-14 05:26:06,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:26:06,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:26:06,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:07,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 05:26:07,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:07,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-14 05:26:07,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:07,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 05:26:07,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:07,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 05:26:07,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:07,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-14 05:26:07,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:07,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 05:26:07,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:07,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 05:26:07,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:07,201 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 05:26:07,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:26:07,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247327134] [2024-10-14 05:26:07,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247327134] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:26:07,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:26:07,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 05:26:07,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740309074] [2024-10-14 05:26:07,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:26:07,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 05:26:07,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:26:07,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 05:26:07,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 05:26:07,233 INFO L87 Difference]: Start difference. First operand has 1157 states, 1147 states have (on average 1.4969485614646905) internal successors, (1717), 1148 states have internal predecessors, (1717), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 171.0) internal successors, (342), 2 states have internal predecessors, (342), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 05:26:07,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:26:07,321 INFO L93 Difference]: Finished difference Result 2132 states and 3198 transitions. [2024-10-14 05:26:07,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 05:26:07,325 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 171.0) internal successors, (342), 2 states have internal predecessors, (342), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) Word has length 374 [2024-10-14 05:26:07,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:26:07,388 INFO L225 Difference]: With dead ends: 2132 [2024-10-14 05:26:07,389 INFO L226 Difference]: Without dead ends: 1156 [2024-10-14 05:26:07,394 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 05:26:07,396 INFO L432 NwaCegarLoop]: 1727 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1727 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 05:26:07,397 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1727 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 05:26:07,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1156 states. [2024-10-14 05:26:07,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1156 to 1156. [2024-10-14 05:26:07,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1156 states, 1147 states have (on average 1.4943330427201396) internal successors, (1714), 1147 states have internal predecessors, (1714), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-14 05:26:07,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1156 states to 1156 states and 1728 transitions. [2024-10-14 05:26:07,470 INFO L78 Accepts]: Start accepts. Automaton has 1156 states and 1728 transitions. Word has length 374 [2024-10-14 05:26:07,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:26:07,471 INFO L471 AbstractCegarLoop]: Abstraction has 1156 states and 1728 transitions. [2024-10-14 05:26:07,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 171.0) internal successors, (342), 2 states have internal predecessors, (342), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 05:26:07,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1728 transitions. [2024-10-14 05:26:07,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2024-10-14 05:26:07,479 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:26:07,480 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 05:26:07,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 05:26:07,480 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:26:07,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:26:07,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1197265007, now seen corresponding path program 1 times [2024-10-14 05:26:07,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:26:07,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060357789] [2024-10-14 05:26:07,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:26:07,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:26:07,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:09,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 05:26:09,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:09,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-14 05:26:09,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:09,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 05:26:09,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:09,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 05:26:09,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:09,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-14 05:26:09,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:09,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 05:26:09,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:09,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 05:26:09,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:09,030 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 05:26:09,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:26:09,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060357789] [2024-10-14 05:26:09,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060357789] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:26:09,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:26:09,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 05:26:09,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681183678] [2024-10-14 05:26:09,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:26:09,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 05:26:09,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:26:09,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 05:26:09,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 05:26:09,039 INFO L87 Difference]: Start difference. First operand 1156 states and 1728 transitions. Second operand has 4 states, 4 states have (on average 85.5) internal successors, (342), 4 states have internal predecessors, (342), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 05:26:09,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:26:09,084 INFO L93 Difference]: Finished difference Result 1160 states and 1732 transitions. [2024-10-14 05:26:09,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 05:26:09,085 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 85.5) internal successors, (342), 4 states have internal predecessors, (342), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 374 [2024-10-14 05:26:09,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:26:09,092 INFO L225 Difference]: With dead ends: 1160 [2024-10-14 05:26:09,092 INFO L226 Difference]: Without dead ends: 1158 [2024-10-14 05:26:09,094 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 05:26:09,095 INFO L432 NwaCegarLoop]: 1725 mSDtfsCounter, 0 mSDsluCounter, 3445 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5170 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 05:26:09,096 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5170 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 05:26:09,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2024-10-14 05:26:09,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 1158. [2024-10-14 05:26:09,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1158 states, 1149 states have (on average 1.4934725848563968) internal successors, (1716), 1149 states have internal predecessors, (1716), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-14 05:26:09,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 1158 states and 1730 transitions. [2024-10-14 05:26:09,123 INFO L78 Accepts]: Start accepts. Automaton has 1158 states and 1730 transitions. Word has length 374 [2024-10-14 05:26:09,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:26:09,126 INFO L471 AbstractCegarLoop]: Abstraction has 1158 states and 1730 transitions. [2024-10-14 05:26:09,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 85.5) internal successors, (342), 4 states have internal predecessors, (342), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 05:26:09,126 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 1730 transitions. [2024-10-14 05:26:09,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2024-10-14 05:26:09,128 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:26:09,129 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 05:26:09,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 05:26:09,129 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:26:09,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:26:09,131 INFO L85 PathProgramCache]: Analyzing trace with hash -1537793148, now seen corresponding path program 1 times [2024-10-14 05:26:09,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:26:09,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517998326] [2024-10-14 05:26:09,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:26:09,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:26:09,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:09,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 05:26:09,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:09,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-14 05:26:09,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:09,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 05:26:09,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:09,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 05:26:09,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:09,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-14 05:26:09,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:09,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 05:26:09,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:09,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 05:26:09,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:09,949 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 05:26:09,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:26:09,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517998326] [2024-10-14 05:26:09,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517998326] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:26:09,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:26:09,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 05:26:09,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463763215] [2024-10-14 05:26:09,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:26:09,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 05:26:09,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:26:09,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 05:26:09,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 05:26:09,955 INFO L87 Difference]: Start difference. First operand 1158 states and 1730 transitions. Second operand has 5 states, 5 states have (on average 68.6) internal successors, (343), 5 states have internal predecessors, (343), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 05:26:10,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:26:10,649 INFO L93 Difference]: Finished difference Result 2958 states and 4422 transitions. [2024-10-14 05:26:10,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 05:26:10,650 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 68.6) internal successors, (343), 5 states have internal predecessors, (343), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 375 [2024-10-14 05:26:10,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:26:10,654 INFO L225 Difference]: With dead ends: 2958 [2024-10-14 05:26:10,654 INFO L226 Difference]: Without dead ends: 1158 [2024-10-14 05:26:10,656 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-14 05:26:10,659 INFO L432 NwaCegarLoop]: 1807 mSDtfsCounter, 3504 mSDsluCounter, 3163 mSDsCounter, 0 mSdLazyCounter, 595 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3504 SdHoareTripleChecker+Valid, 4970 SdHoareTripleChecker+Invalid, 674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 05:26:10,660 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3504 Valid, 4970 Invalid, 674 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 595 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 05:26:10,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2024-10-14 05:26:10,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 1158. [2024-10-14 05:26:10,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1158 states, 1149 states have (on average 1.4926022628372497) internal successors, (1715), 1149 states have internal predecessors, (1715), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-14 05:26:10,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 1158 states and 1729 transitions. [2024-10-14 05:26:10,682 INFO L78 Accepts]: Start accepts. Automaton has 1158 states and 1729 transitions. Word has length 375 [2024-10-14 05:26:10,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:26:10,683 INFO L471 AbstractCegarLoop]: Abstraction has 1158 states and 1729 transitions. [2024-10-14 05:26:10,683 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 68.6) internal successors, (343), 5 states have internal predecessors, (343), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 05:26:10,684 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 1729 transitions. [2024-10-14 05:26:10,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2024-10-14 05:26:10,685 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:26:10,686 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 05:26:10,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 05:26:10,686 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:26:10,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:26:10,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1272937912, now seen corresponding path program 1 times [2024-10-14 05:26:10,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:26:10,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601634891] [2024-10-14 05:26:10,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:26:10,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:26:10,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:11,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 05:26:11,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:11,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-14 05:26:11,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:11,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 05:26:11,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:11,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 05:26:11,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:11,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-14 05:26:11,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:11,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 05:26:11,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:11,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 05:26:11,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:11,378 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 05:26:11,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:26:11,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601634891] [2024-10-14 05:26:11,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601634891] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:26:11,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:26:11,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 05:26:11,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108994939] [2024-10-14 05:26:11,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:26:11,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 05:26:11,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:26:11,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 05:26:11,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 05:26:11,380 INFO L87 Difference]: Start difference. First operand 1158 states and 1729 transitions. Second operand has 5 states, 5 states have (on average 68.8) internal successors, (344), 5 states have internal predecessors, (344), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 05:26:11,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:26:11,936 INFO L93 Difference]: Finished difference Result 2135 states and 3187 transitions. [2024-10-14 05:26:11,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 05:26:11,937 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 68.8) internal successors, (344), 5 states have internal predecessors, (344), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 376 [2024-10-14 05:26:11,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:26:11,940 INFO L225 Difference]: With dead ends: 2135 [2024-10-14 05:26:11,941 INFO L226 Difference]: Without dead ends: 1158 [2024-10-14 05:26:11,942 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 05:26:11,943 INFO L432 NwaCegarLoop]: 1333 mSDtfsCounter, 3090 mSDsluCounter, 1335 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3097 SdHoareTripleChecker+Valid, 2668 SdHoareTripleChecker+Invalid, 792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 05:26:11,943 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3097 Valid, 2668 Invalid, 792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 05:26:11,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2024-10-14 05:26:11,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 1158. [2024-10-14 05:26:11,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1158 states, 1149 states have (on average 1.4917319408181027) internal successors, (1714), 1149 states have internal predecessors, (1714), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-14 05:26:11,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 1158 states and 1728 transitions. [2024-10-14 05:26:11,963 INFO L78 Accepts]: Start accepts. Automaton has 1158 states and 1728 transitions. Word has length 376 [2024-10-14 05:26:11,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:26:11,964 INFO L471 AbstractCegarLoop]: Abstraction has 1158 states and 1728 transitions. [2024-10-14 05:26:11,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 68.8) internal successors, (344), 5 states have internal predecessors, (344), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 05:26:11,964 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 1728 transitions. [2024-10-14 05:26:11,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2024-10-14 05:26:11,966 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:26:11,966 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 05:26:11,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 05:26:11,966 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:26:11,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:26:11,967 INFO L85 PathProgramCache]: Analyzing trace with hash -709779019, now seen corresponding path program 1 times [2024-10-14 05:26:11,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:26:11,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025494890] [2024-10-14 05:26:11,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:26:11,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:26:12,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:12,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 05:26:12,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:12,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-14 05:26:12,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:12,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 05:26:12,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:12,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 05:26:12,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:12,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-14 05:26:12,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:12,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 05:26:12,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:12,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 05:26:12,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:12,697 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 05:26:12,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:26:12,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025494890] [2024-10-14 05:26:12,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025494890] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:26:12,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:26:12,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 05:26:12,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946989482] [2024-10-14 05:26:12,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:26:12,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 05:26:12,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:26:12,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 05:26:12,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 05:26:12,703 INFO L87 Difference]: Start difference. First operand 1158 states and 1728 transitions. Second operand has 4 states, 4 states have (on average 86.25) internal successors, (345), 4 states have internal predecessors, (345), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 05:26:12,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:26:12,753 INFO L93 Difference]: Finished difference Result 2137 states and 3188 transitions. [2024-10-14 05:26:12,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 05:26:12,754 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 86.25) internal successors, (345), 4 states have internal predecessors, (345), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 377 [2024-10-14 05:26:12,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:26:12,758 INFO L225 Difference]: With dead ends: 2137 [2024-10-14 05:26:12,758 INFO L226 Difference]: Without dead ends: 1160 [2024-10-14 05:26:12,760 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 05:26:12,760 INFO L432 NwaCegarLoop]: 1723 mSDtfsCounter, 0 mSDsluCounter, 3438 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5161 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 05:26:12,761 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5161 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 05:26:12,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2024-10-14 05:26:12,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 1160. [2024-10-14 05:26:12,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1160 states, 1151 states have (on average 1.4908774978279757) internal successors, (1716), 1151 states have internal predecessors, (1716), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-14 05:26:12,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 1160 states and 1730 transitions. [2024-10-14 05:26:12,783 INFO L78 Accepts]: Start accepts. Automaton has 1160 states and 1730 transitions. Word has length 377 [2024-10-14 05:26:12,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:26:12,784 INFO L471 AbstractCegarLoop]: Abstraction has 1160 states and 1730 transitions. [2024-10-14 05:26:12,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 86.25) internal successors, (345), 4 states have internal predecessors, (345), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 05:26:12,785 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 1730 transitions. [2024-10-14 05:26:12,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2024-10-14 05:26:12,788 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:26:12,788 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 05:26:12,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 05:26:12,788 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:26:12,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:26:12,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1626276905, now seen corresponding path program 1 times [2024-10-14 05:26:12,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:26:12,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808510073] [2024-10-14 05:26:12,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:26:12,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:26:12,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:13,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 05:26:13,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:13,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-14 05:26:13,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:13,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 05:26:13,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:13,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 05:26:13,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:13,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-14 05:26:13,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:13,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 05:26:13,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:13,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 05:26:13,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:13,775 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 05:26:13,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:26:13,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808510073] [2024-10-14 05:26:13,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808510073] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:26:13,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:26:13,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 05:26:13,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231895978] [2024-10-14 05:26:13,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:26:13,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 05:26:13,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:26:13,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 05:26:13,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 05:26:13,777 INFO L87 Difference]: Start difference. First operand 1160 states and 1730 transitions. Second operand has 4 states, 4 states have (on average 86.5) internal successors, (346), 4 states have internal predecessors, (346), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 05:26:13,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:26:13,953 INFO L93 Difference]: Finished difference Result 2139 states and 3189 transitions. [2024-10-14 05:26:13,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 05:26:13,954 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 86.5) internal successors, (346), 4 states have internal predecessors, (346), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 378 [2024-10-14 05:26:13,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:26:13,957 INFO L225 Difference]: With dead ends: 2139 [2024-10-14 05:26:13,957 INFO L226 Difference]: Without dead ends: 1160 [2024-10-14 05:26:13,959 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 05:26:13,962 INFO L432 NwaCegarLoop]: 1631 mSDtfsCounter, 1446 mSDsluCounter, 1633 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1446 SdHoareTripleChecker+Valid, 3264 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 05:26:13,962 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1446 Valid, 3264 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 05:26:13,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2024-10-14 05:26:13,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 1160. [2024-10-14 05:26:13,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1160 states, 1151 states have (on average 1.4900086880973067) internal successors, (1715), 1151 states have internal predecessors, (1715), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-14 05:26:13,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 1160 states and 1729 transitions. [2024-10-14 05:26:13,988 INFO L78 Accepts]: Start accepts. Automaton has 1160 states and 1729 transitions. Word has length 378 [2024-10-14 05:26:13,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:26:13,989 INFO L471 AbstractCegarLoop]: Abstraction has 1160 states and 1729 transitions. [2024-10-14 05:26:13,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 86.5) internal successors, (346), 4 states have internal predecessors, (346), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 05:26:13,989 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 1729 transitions. [2024-10-14 05:26:13,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 380 [2024-10-14 05:26:13,991 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:26:13,992 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 05:26:13,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 05:26:13,992 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:26:13,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:26:13,992 INFO L85 PathProgramCache]: Analyzing trace with hash -843909334, now seen corresponding path program 1 times [2024-10-14 05:26:13,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:26:13,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126919494] [2024-10-14 05:26:13,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:26:13,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:26:14,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:14,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 05:26:14,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:14,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-14 05:26:14,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:14,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 05:26:14,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:14,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 05:26:14,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:14,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-14 05:26:14,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:14,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 05:26:14,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:14,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 05:26:14,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:14,575 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 05:26:14,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:26:14,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126919494] [2024-10-14 05:26:14,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126919494] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:26:14,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:26:14,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 05:26:14,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003693732] [2024-10-14 05:26:14,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:26:14,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 05:26:14,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:26:14,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 05:26:14,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 05:26:14,577 INFO L87 Difference]: Start difference. First operand 1160 states and 1729 transitions. Second operand has 5 states, 5 states have (on average 69.4) internal successors, (347), 5 states have internal predecessors, (347), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 05:26:14,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:26:14,736 INFO L93 Difference]: Finished difference Result 2291 states and 3413 transitions. [2024-10-14 05:26:14,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 05:26:14,737 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 69.4) internal successors, (347), 5 states have internal predecessors, (347), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 379 [2024-10-14 05:26:14,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:26:14,740 INFO L225 Difference]: With dead ends: 2291 [2024-10-14 05:26:14,741 INFO L226 Difference]: Without dead ends: 1160 [2024-10-14 05:26:14,742 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-14 05:26:14,742 INFO L432 NwaCegarLoop]: 1708 mSDtfsCounter, 1883 mSDsluCounter, 3348 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1883 SdHoareTripleChecker+Valid, 5056 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 05:26:14,743 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1883 Valid, 5056 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 05:26:14,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2024-10-14 05:26:14,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 1160. [2024-10-14 05:26:14,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1160 states, 1151 states have (on average 1.4891398783666376) internal successors, (1714), 1151 states have internal predecessors, (1714), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-14 05:26:14,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 1160 states and 1728 transitions. [2024-10-14 05:26:14,761 INFO L78 Accepts]: Start accepts. Automaton has 1160 states and 1728 transitions. Word has length 379 [2024-10-14 05:26:14,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:26:14,762 INFO L471 AbstractCegarLoop]: Abstraction has 1160 states and 1728 transitions. [2024-10-14 05:26:14,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 69.4) internal successors, (347), 5 states have internal predecessors, (347), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 05:26:14,762 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 1728 transitions. [2024-10-14 05:26:14,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2024-10-14 05:26:14,764 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:26:14,764 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 05:26:14,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 05:26:14,764 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:26:14,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:26:14,765 INFO L85 PathProgramCache]: Analyzing trace with hash 375438473, now seen corresponding path program 1 times [2024-10-14 05:26:14,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:26:14,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209073344] [2024-10-14 05:26:14,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:26:14,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:26:14,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:15,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 05:26:15,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:15,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-14 05:26:15,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:15,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 05:26:15,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:15,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 05:26:15,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:15,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-14 05:26:15,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:15,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 05:26:15,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:15,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 05:26:15,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:15,287 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 05:26:15,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:26:15,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209073344] [2024-10-14 05:26:15,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209073344] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:26:15,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:26:15,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 05:26:15,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817973393] [2024-10-14 05:26:15,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:26:15,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 05:26:15,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:26:15,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 05:26:15,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 05:26:15,290 INFO L87 Difference]: Start difference. First operand 1160 states and 1728 transitions. Second operand has 5 states, 5 states have (on average 69.6) internal successors, (348), 5 states have internal predecessors, (348), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 05:26:15,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:26:15,467 INFO L93 Difference]: Finished difference Result 2139 states and 3185 transitions. [2024-10-14 05:26:15,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 05:26:15,468 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 69.6) internal successors, (348), 5 states have internal predecessors, (348), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 380 [2024-10-14 05:26:15,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:26:15,472 INFO L225 Difference]: With dead ends: 2139 [2024-10-14 05:26:15,472 INFO L226 Difference]: Without dead ends: 1160 [2024-10-14 05:26:15,473 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 05:26:15,474 INFO L432 NwaCegarLoop]: 1631 mSDtfsCounter, 3229 mSDsluCounter, 1633 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3236 SdHoareTripleChecker+Valid, 3264 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 05:26:15,475 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3236 Valid, 3264 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 05:26:15,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2024-10-14 05:26:15,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 1160. [2024-10-14 05:26:15,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1160 states, 1151 states have (on average 1.4882710686359688) internal successors, (1713), 1151 states have internal predecessors, (1713), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-14 05:26:15,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 1160 states and 1727 transitions. [2024-10-14 05:26:15,494 INFO L78 Accepts]: Start accepts. Automaton has 1160 states and 1727 transitions. Word has length 380 [2024-10-14 05:26:15,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:26:15,495 INFO L471 AbstractCegarLoop]: Abstraction has 1160 states and 1727 transitions. [2024-10-14 05:26:15,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 69.6) internal successors, (348), 5 states have internal predecessors, (348), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 05:26:15,495 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 1727 transitions. [2024-10-14 05:26:15,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2024-10-14 05:26:15,497 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:26:15,497 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 05:26:15,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 05:26:15,497 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:26:15,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:26:15,498 INFO L85 PathProgramCache]: Analyzing trace with hash -195684029, now seen corresponding path program 1 times [2024-10-14 05:26:15,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:26:15,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563527890] [2024-10-14 05:26:15,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:26:15,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:26:15,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:15,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 05:26:15,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:15,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-14 05:26:15,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:15,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 05:26:15,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:15,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 05:26:15,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:15,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-14 05:26:15,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:15,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 05:26:15,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:15,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 05:26:15,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:15,966 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 05:26:15,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:26:15,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563527890] [2024-10-14 05:26:15,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563527890] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:26:15,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:26:15,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 05:26:15,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568884242] [2024-10-14 05:26:15,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:26:15,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 05:26:15,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:26:15,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 05:26:15,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 05:26:15,969 INFO L87 Difference]: Start difference. First operand 1160 states and 1727 transitions. Second operand has 5 states, 5 states have (on average 69.8) internal successors, (349), 5 states have internal predecessors, (349), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 05:26:16,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:26:16,146 INFO L93 Difference]: Finished difference Result 2139 states and 3183 transitions. [2024-10-14 05:26:16,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 05:26:16,147 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 69.8) internal successors, (349), 5 states have internal predecessors, (349), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 381 [2024-10-14 05:26:16,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:26:16,150 INFO L225 Difference]: With dead ends: 2139 [2024-10-14 05:26:16,150 INFO L226 Difference]: Without dead ends: 1160 [2024-10-14 05:26:16,152 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 05:26:16,153 INFO L432 NwaCegarLoop]: 1631 mSDtfsCounter, 3221 mSDsluCounter, 1633 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3228 SdHoareTripleChecker+Valid, 3264 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 05:26:16,154 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3228 Valid, 3264 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 05:26:16,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2024-10-14 05:26:16,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 1160. [2024-10-14 05:26:16,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1160 states, 1151 states have (on average 1.4874022589052998) internal successors, (1712), 1151 states have internal predecessors, (1712), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-14 05:26:16,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 1160 states and 1726 transitions. [2024-10-14 05:26:16,172 INFO L78 Accepts]: Start accepts. Automaton has 1160 states and 1726 transitions. Word has length 381 [2024-10-14 05:26:16,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:26:16,173 INFO L471 AbstractCegarLoop]: Abstraction has 1160 states and 1726 transitions. [2024-10-14 05:26:16,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 69.8) internal successors, (349), 5 states have internal predecessors, (349), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 05:26:16,173 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 1726 transitions. [2024-10-14 05:26:16,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2024-10-14 05:26:16,175 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:26:16,175 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 05:26:16,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 05:26:16,176 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:26:16,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:26:16,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1751188546, now seen corresponding path program 1 times [2024-10-14 05:26:16,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:26:16,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115173818] [2024-10-14 05:26:16,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:26:16,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:26:16,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:16,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 05:26:16,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:16,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-14 05:26:16,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:16,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 05:26:16,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:16,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 05:26:16,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:16,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-14 05:26:16,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:16,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 05:26:16,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:16,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 05:26:16,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:16,725 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 05:26:16,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:26:16,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115173818] [2024-10-14 05:26:16,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115173818] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:26:16,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:26:16,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 05:26:16,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985724260] [2024-10-14 05:26:16,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:26:16,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 05:26:16,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:26:16,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 05:26:16,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 05:26:16,728 INFO L87 Difference]: Start difference. First operand 1160 states and 1726 transitions. Second operand has 5 states, 5 states have (on average 70.0) internal successors, (350), 5 states have internal predecessors, (350), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 05:26:16,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:26:16,898 INFO L93 Difference]: Finished difference Result 2139 states and 3181 transitions. [2024-10-14 05:26:16,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 05:26:16,899 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 70.0) internal successors, (350), 5 states have internal predecessors, (350), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 382 [2024-10-14 05:26:16,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:26:16,902 INFO L225 Difference]: With dead ends: 2139 [2024-10-14 05:26:16,903 INFO L226 Difference]: Without dead ends: 1160 [2024-10-14 05:26:16,904 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 05:26:16,905 INFO L432 NwaCegarLoop]: 1631 mSDtfsCounter, 3213 mSDsluCounter, 1633 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3220 SdHoareTripleChecker+Valid, 3264 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 05:26:16,906 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3220 Valid, 3264 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 05:26:16,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2024-10-14 05:26:16,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 1160. [2024-10-14 05:26:16,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1160 states, 1151 states have (on average 1.4865334491746307) internal successors, (1711), 1151 states have internal predecessors, (1711), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-14 05:26:16,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 1160 states and 1725 transitions. [2024-10-14 05:26:16,924 INFO L78 Accepts]: Start accepts. Automaton has 1160 states and 1725 transitions. Word has length 382 [2024-10-14 05:26:16,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:26:16,925 INFO L471 AbstractCegarLoop]: Abstraction has 1160 states and 1725 transitions. [2024-10-14 05:26:16,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 70.0) internal successors, (350), 5 states have internal predecessors, (350), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 05:26:16,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 1725 transitions. [2024-10-14 05:26:16,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2024-10-14 05:26:16,927 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:26:16,927 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 05:26:16,928 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-14 05:26:16,928 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:26:16,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:26:16,928 INFO L85 PathProgramCache]: Analyzing trace with hash -918817828, now seen corresponding path program 1 times [2024-10-14 05:26:16,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:26:16,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557075040] [2024-10-14 05:26:16,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:26:16,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:26:17,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:17,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 05:26:17,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:17,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-14 05:26:17,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:17,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 05:26:17,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:17,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 05:26:17,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:17,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-14 05:26:17,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:17,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 05:26:17,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:17,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 05:26:17,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:17,407 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 05:26:17,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:26:17,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557075040] [2024-10-14 05:26:17,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557075040] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:26:17,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:26:17,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 05:26:17,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613875231] [2024-10-14 05:26:17,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:26:17,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 05:26:17,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:26:17,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 05:26:17,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 05:26:17,410 INFO L87 Difference]: Start difference. First operand 1160 states and 1725 transitions. Second operand has 5 states, 5 states have (on average 70.2) internal successors, (351), 5 states have internal predecessors, (351), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 05:26:17,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:26:17,582 INFO L93 Difference]: Finished difference Result 2139 states and 3179 transitions. [2024-10-14 05:26:17,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 05:26:17,582 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 70.2) internal successors, (351), 5 states have internal predecessors, (351), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 383 [2024-10-14 05:26:17,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:26:17,587 INFO L225 Difference]: With dead ends: 2139 [2024-10-14 05:26:17,587 INFO L226 Difference]: Without dead ends: 1160 [2024-10-14 05:26:17,588 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 05:26:17,589 INFO L432 NwaCegarLoop]: 1631 mSDtfsCounter, 3063 mSDsluCounter, 1633 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3070 SdHoareTripleChecker+Valid, 3264 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 05:26:17,589 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3070 Valid, 3264 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 05:26:17,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2024-10-14 05:26:17,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 1160. [2024-10-14 05:26:17,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1160 states, 1151 states have (on average 1.4856646394439619) internal successors, (1710), 1151 states have internal predecessors, (1710), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-14 05:26:17,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 1160 states and 1724 transitions. [2024-10-14 05:26:17,606 INFO L78 Accepts]: Start accepts. Automaton has 1160 states and 1724 transitions. Word has length 383 [2024-10-14 05:26:17,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:26:17,607 INFO L471 AbstractCegarLoop]: Abstraction has 1160 states and 1724 transitions. [2024-10-14 05:26:17,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 70.2) internal successors, (351), 5 states have internal predecessors, (351), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 05:26:17,607 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 1724 transitions. [2024-10-14 05:26:17,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2024-10-14 05:26:17,609 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:26:17,609 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 05:26:17,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-14 05:26:17,610 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:26:17,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:26:17,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1353203248, now seen corresponding path program 1 times [2024-10-14 05:26:17,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:26:17,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538008816] [2024-10-14 05:26:17,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:26:17,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:26:17,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:18,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 05:26:18,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:18,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-14 05:26:18,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:18,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 05:26:18,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:18,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 05:26:18,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:18,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-14 05:26:18,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:18,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 05:26:18,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:18,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 05:26:18,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:18,266 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 05:26:18,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:26:18,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538008816] [2024-10-14 05:26:18,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538008816] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:26:18,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:26:18,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 05:26:18,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102307042] [2024-10-14 05:26:18,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:26:18,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 05:26:18,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:26:18,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 05:26:18,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 05:26:18,269 INFO L87 Difference]: Start difference. First operand 1160 states and 1724 transitions. Second operand has 5 states, 5 states have (on average 70.4) internal successors, (352), 5 states have internal predecessors, (352), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 05:26:18,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:26:18,456 INFO L93 Difference]: Finished difference Result 2139 states and 3177 transitions. [2024-10-14 05:26:18,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 05:26:18,457 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 70.4) internal successors, (352), 5 states have internal predecessors, (352), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 384 [2024-10-14 05:26:18,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:26:18,461 INFO L225 Difference]: With dead ends: 2139 [2024-10-14 05:26:18,461 INFO L226 Difference]: Without dead ends: 1160 [2024-10-14 05:26:18,463 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 05:26:18,464 INFO L432 NwaCegarLoop]: 1631 mSDtfsCounter, 1618 mSDsluCounter, 1643 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1625 SdHoareTripleChecker+Valid, 3274 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 05:26:18,464 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1625 Valid, 3274 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 05:26:18,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2024-10-14 05:26:18,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 1160. [2024-10-14 05:26:18,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1160 states, 1151 states have (on average 1.4847958297132928) internal successors, (1709), 1151 states have internal predecessors, (1709), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-14 05:26:18,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 1160 states and 1723 transitions. [2024-10-14 05:26:18,487 INFO L78 Accepts]: Start accepts. Automaton has 1160 states and 1723 transitions. Word has length 384 [2024-10-14 05:26:18,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:26:18,487 INFO L471 AbstractCegarLoop]: Abstraction has 1160 states and 1723 transitions. [2024-10-14 05:26:18,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 70.4) internal successors, (352), 5 states have internal predecessors, (352), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 05:26:18,488 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 1723 transitions. [2024-10-14 05:26:18,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2024-10-14 05:26:18,491 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:26:18,491 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 05:26:18,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-14 05:26:18,491 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:26:18,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:26:18,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1182361923, now seen corresponding path program 1 times [2024-10-14 05:26:18,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:26:18,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559103867] [2024-10-14 05:26:18,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:26:18,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:26:18,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:19,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 05:26:19,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:19,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-14 05:26:19,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:19,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 05:26:19,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:19,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 05:26:19,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:19,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-14 05:26:19,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:19,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 05:26:19,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:19,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 05:26:19,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:19,037 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 05:26:19,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:26:19,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559103867] [2024-10-14 05:26:19,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559103867] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:26:19,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:26:19,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 05:26:19,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896042471] [2024-10-14 05:26:19,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:26:19,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 05:26:19,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:26:19,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 05:26:19,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 05:26:19,040 INFO L87 Difference]: Start difference. First operand 1160 states and 1723 transitions. Second operand has 5 states, 5 states have (on average 70.6) internal successors, (353), 5 states have internal predecessors, (353), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 05:26:19,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:26:19,207 INFO L93 Difference]: Finished difference Result 2139 states and 3175 transitions. [2024-10-14 05:26:19,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 05:26:19,209 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 70.6) internal successors, (353), 5 states have internal predecessors, (353), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 385 [2024-10-14 05:26:19,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:26:19,213 INFO L225 Difference]: With dead ends: 2139 [2024-10-14 05:26:19,213 INFO L226 Difference]: Without dead ends: 1160 [2024-10-14 05:26:19,214 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 05:26:19,215 INFO L432 NwaCegarLoop]: 1631 mSDtfsCounter, 3047 mSDsluCounter, 1633 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3054 SdHoareTripleChecker+Valid, 3264 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 05:26:19,215 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3054 Valid, 3264 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 05:26:19,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2024-10-14 05:26:19,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 1160. [2024-10-14 05:26:19,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1160 states, 1151 states have (on average 1.4839270199826238) internal successors, (1708), 1151 states have internal predecessors, (1708), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-14 05:26:19,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 1160 states and 1722 transitions. [2024-10-14 05:26:19,234 INFO L78 Accepts]: Start accepts. Automaton has 1160 states and 1722 transitions. Word has length 385 [2024-10-14 05:26:19,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:26:19,235 INFO L471 AbstractCegarLoop]: Abstraction has 1160 states and 1722 transitions. [2024-10-14 05:26:19,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 70.6) internal successors, (353), 5 states have internal predecessors, (353), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 05:26:19,235 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 1722 transitions. [2024-10-14 05:26:19,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2024-10-14 05:26:19,238 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:26:19,238 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 05:26:19,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-14 05:26:19,238 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:26:19,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:26:19,239 INFO L85 PathProgramCache]: Analyzing trace with hash -1798376233, now seen corresponding path program 1 times [2024-10-14 05:26:19,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:26:19,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254874435] [2024-10-14 05:26:19,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:26:19,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:26:19,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:20,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 05:26:20,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:20,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-14 05:26:20,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:20,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 05:26:20,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:20,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 05:26:20,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:20,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-14 05:26:20,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:20,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 05:26:20,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:20,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 05:26:20,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:20,039 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 05:26:20,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:26:20,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254874435] [2024-10-14 05:26:20,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254874435] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:26:20,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:26:20,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 05:26:20,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222460689] [2024-10-14 05:26:20,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:26:20,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 05:26:20,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:26:20,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 05:26:20,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 05:26:20,041 INFO L87 Difference]: Start difference. First operand 1160 states and 1722 transitions. Second operand has 4 states, 4 states have (on average 88.5) internal successors, (354), 4 states have internal predecessors, (354), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 05:26:20,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:26:20,143 INFO L93 Difference]: Finished difference Result 2139 states and 3173 transitions. [2024-10-14 05:26:20,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 05:26:20,144 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 88.5) internal successors, (354), 4 states have internal predecessors, (354), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 386 [2024-10-14 05:26:20,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:26:20,148 INFO L225 Difference]: With dead ends: 2139 [2024-10-14 05:26:20,148 INFO L226 Difference]: Without dead ends: 1160 [2024-10-14 05:26:20,150 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 05:26:20,150 INFO L432 NwaCegarLoop]: 1663 mSDtfsCounter, 1526 mSDsluCounter, 1665 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1526 SdHoareTripleChecker+Valid, 3328 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 05:26:20,150 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1526 Valid, 3328 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 05:26:20,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2024-10-14 05:26:20,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 1160. [2024-10-14 05:26:20,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1160 states, 1151 states have (on average 1.482189400521286) internal successors, (1706), 1151 states have internal predecessors, (1706), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-14 05:26:20,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 1160 states and 1720 transitions. [2024-10-14 05:26:20,173 INFO L78 Accepts]: Start accepts. Automaton has 1160 states and 1720 transitions. Word has length 386 [2024-10-14 05:26:20,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:26:20,173 INFO L471 AbstractCegarLoop]: Abstraction has 1160 states and 1720 transitions. [2024-10-14 05:26:20,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 88.5) internal successors, (354), 4 states have internal predecessors, (354), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 05:26:20,174 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 1720 transitions. [2024-10-14 05:26:20,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2024-10-14 05:26:20,176 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:26:20,176 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 05:26:20,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-14 05:26:20,176 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:26:20,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:26:20,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1584157190, now seen corresponding path program 1 times [2024-10-14 05:26:20,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:26:20,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308961568] [2024-10-14 05:26:20,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:26:20,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:26:20,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:20,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 05:26:20,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:20,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-14 05:26:20,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:20,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 05:26:20,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:20,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 05:26:20,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:20,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-14 05:26:20,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:20,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 05:26:20,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:20,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 05:26:20,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:20,821 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 05:26:20,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:26:20,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308961568] [2024-10-14 05:26:20,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308961568] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:26:20,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:26:20,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 05:26:20,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915453144] [2024-10-14 05:26:20,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:26:20,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 05:26:20,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:26:20,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 05:26:20,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 05:26:20,823 INFO L87 Difference]: Start difference. First operand 1160 states and 1720 transitions. Second operand has 5 states, 5 states have (on average 71.2) internal successors, (356), 5 states have internal predecessors, (356), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 05:26:20,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:26:20,941 INFO L93 Difference]: Finished difference Result 2139 states and 3169 transitions. [2024-10-14 05:26:20,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 05:26:20,942 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 71.2) internal successors, (356), 5 states have internal predecessors, (356), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 388 [2024-10-14 05:26:20,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:26:20,945 INFO L225 Difference]: With dead ends: 2139 [2024-10-14 05:26:20,945 INFO L226 Difference]: Without dead ends: 1160 [2024-10-14 05:26:20,946 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 05:26:20,948 INFO L432 NwaCegarLoop]: 1663 mSDtfsCounter, 3215 mSDsluCounter, 1665 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3222 SdHoareTripleChecker+Valid, 3328 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 05:26:20,948 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3222 Valid, 3328 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 05:26:20,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2024-10-14 05:26:20,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 1160. [2024-10-14 05:26:20,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1160 states, 1151 states have (on average 1.4813205907906168) internal successors, (1705), 1151 states have internal predecessors, (1705), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-14 05:26:20,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 1160 states and 1719 transitions. [2024-10-14 05:26:20,963 INFO L78 Accepts]: Start accepts. Automaton has 1160 states and 1719 transitions. Word has length 388 [2024-10-14 05:26:20,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:26:20,963 INFO L471 AbstractCegarLoop]: Abstraction has 1160 states and 1719 transitions. [2024-10-14 05:26:20,963 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 71.2) internal successors, (356), 5 states have internal predecessors, (356), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 05:26:20,963 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 1719 transitions. [2024-10-14 05:26:20,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2024-10-14 05:26:20,965 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:26:20,965 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 05:26:20,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-14 05:26:20,965 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:26:20,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:26:20,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1788291054, now seen corresponding path program 1 times [2024-10-14 05:26:20,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:26:20,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518798427] [2024-10-14 05:26:20,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:26:20,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:26:21,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:21,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 05:26:21,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:21,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-14 05:26:21,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:21,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 05:26:21,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:21,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 05:26:21,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:21,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-14 05:26:21,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:21,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 05:26:21,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:21,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 05:26:21,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:21,566 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 05:26:21,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:26:21,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518798427] [2024-10-14 05:26:21,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518798427] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:26:21,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:26:21,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 05:26:21,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595359510] [2024-10-14 05:26:21,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:26:21,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 05:26:21,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:26:21,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 05:26:21,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 05:26:21,569 INFO L87 Difference]: Start difference. First operand 1160 states and 1719 transitions. Second operand has 5 states, 5 states have (on average 71.4) internal successors, (357), 5 states have internal predecessors, (357), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 05:26:21,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:26:21,680 INFO L93 Difference]: Finished difference Result 2139 states and 3167 transitions. [2024-10-14 05:26:21,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 05:26:21,680 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 71.4) internal successors, (357), 5 states have internal predecessors, (357), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 389 [2024-10-14 05:26:21,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:26:21,683 INFO L225 Difference]: With dead ends: 2139 [2024-10-14 05:26:21,684 INFO L226 Difference]: Without dead ends: 1160 [2024-10-14 05:26:21,685 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 05:26:21,685 INFO L432 NwaCegarLoop]: 1663 mSDtfsCounter, 3049 mSDsluCounter, 1665 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3056 SdHoareTripleChecker+Valid, 3328 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 05:26:21,686 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3056 Valid, 3328 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 05:26:21,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2024-10-14 05:26:21,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 1160. [2024-10-14 05:26:21,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1160 states, 1151 states have (on average 1.4804517810599478) internal successors, (1704), 1151 states have internal predecessors, (1704), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-14 05:26:21,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 1160 states and 1718 transitions. [2024-10-14 05:26:21,704 INFO L78 Accepts]: Start accepts. Automaton has 1160 states and 1718 transitions. Word has length 389 [2024-10-14 05:26:21,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:26:21,705 INFO L471 AbstractCegarLoop]: Abstraction has 1160 states and 1718 transitions. [2024-10-14 05:26:21,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 71.4) internal successors, (357), 5 states have internal predecessors, (357), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 05:26:21,705 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 1718 transitions. [2024-10-14 05:26:21,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 391 [2024-10-14 05:26:21,707 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:26:21,707 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 05:26:21,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-14 05:26:21,708 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:26:21,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:26:21,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1248893306, now seen corresponding path program 1 times [2024-10-14 05:26:21,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:26:21,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815302830] [2024-10-14 05:26:21,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:26:21,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:26:21,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:22,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 05:26:22,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:22,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-14 05:26:22,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:22,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 05:26:22,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:22,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 05:26:22,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:22,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-14 05:26:22,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:22,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 05:26:22,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:22,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 05:26:22,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:22,241 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 05:26:22,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:26:22,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815302830] [2024-10-14 05:26:22,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815302830] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:26:22,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:26:22,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 05:26:22,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125576457] [2024-10-14 05:26:22,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:26:22,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 05:26:22,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:26:22,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 05:26:22,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 05:26:22,247 INFO L87 Difference]: Start difference. First operand 1160 states and 1718 transitions. Second operand has 5 states, 5 states have (on average 71.6) internal successors, (358), 5 states have internal predecessors, (358), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 05:26:22,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:26:22,352 INFO L93 Difference]: Finished difference Result 2139 states and 3165 transitions. [2024-10-14 05:26:22,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 05:26:22,353 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 71.6) internal successors, (358), 5 states have internal predecessors, (358), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 390 [2024-10-14 05:26:22,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:26:22,356 INFO L225 Difference]: With dead ends: 2139 [2024-10-14 05:26:22,356 INFO L226 Difference]: Without dead ends: 1160 [2024-10-14 05:26:22,358 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 05:26:22,358 INFO L432 NwaCegarLoop]: 1663 mSDtfsCounter, 1609 mSDsluCounter, 1675 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1616 SdHoareTripleChecker+Valid, 3338 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 05:26:22,358 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1616 Valid, 3338 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 05:26:22,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2024-10-14 05:26:22,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 1160. [2024-10-14 05:26:22,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1160 states, 1151 states have (on average 1.479582971329279) internal successors, (1703), 1151 states have internal predecessors, (1703), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-10-14 05:26:22,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 1160 states and 1717 transitions. [2024-10-14 05:26:22,374 INFO L78 Accepts]: Start accepts. Automaton has 1160 states and 1717 transitions. Word has length 390 [2024-10-14 05:26:22,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:26:22,375 INFO L471 AbstractCegarLoop]: Abstraction has 1160 states and 1717 transitions. [2024-10-14 05:26:22,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 71.6) internal successors, (358), 5 states have internal predecessors, (358), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 05:26:22,375 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 1717 transitions. [2024-10-14 05:26:22,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2024-10-14 05:26:22,377 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:26:22,377 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 05:26:22,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-14 05:26:22,377 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:26:22,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:26:22,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1934073689, now seen corresponding path program 1 times [2024-10-14 05:26:22,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:26:22,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708902967] [2024-10-14 05:26:22,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:26:22,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:26:22,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:23,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 05:26:23,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:23,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-14 05:26:23,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:23,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 05:26:23,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:23,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-14 05:26:23,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:23,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-10-14 05:26:23,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:23,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-14 05:26:23,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:23,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 05:26:23,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:23,598 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 05:26:23,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:26:23,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708902967] [2024-10-14 05:26:23,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708902967] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:26:23,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:26:23,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 05:26:23,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844610329] [2024-10-14 05:26:23,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:26:23,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 05:26:23,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:26:23,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 05:26:23,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-14 05:26:23,600 INFO L87 Difference]: Start difference. First operand 1160 states and 1717 transitions. Second operand has 6 states, 6 states have (on average 59.833333333333336) internal successors, (359), 6 states have internal predecessors, (359), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 05:26:24,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:26:24,066 INFO L93 Difference]: Finished difference Result 3203 states and 4738 transitions. [2024-10-14 05:26:24,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 05:26:24,067 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 59.833333333333336) internal successors, (359), 6 states have internal predecessors, (359), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 391 [2024-10-14 05:26:24,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:26:24,074 INFO L225 Difference]: With dead ends: 3203 [2024-10-14 05:26:24,075 INFO L226 Difference]: Without dead ends: 2124 [2024-10-14 05:26:24,076 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-14 05:26:24,076 INFO L432 NwaCegarLoop]: 1749 mSDtfsCounter, 1524 mSDsluCounter, 6535 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1529 SdHoareTripleChecker+Valid, 8284 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 05:26:24,077 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1529 Valid, 8284 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 05:26:24,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2124 states. [2024-10-14 05:26:24,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2124 to 1219. [2024-10-14 05:26:24,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1219 states, 1208 states have (on average 1.478476821192053) internal successors, (1786), 1208 states have internal predecessors, (1786), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-14 05:26:24,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1219 states and 1804 transitions. [2024-10-14 05:26:24,099 INFO L78 Accepts]: Start accepts. Automaton has 1219 states and 1804 transitions. Word has length 391 [2024-10-14 05:26:24,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:26:24,100 INFO L471 AbstractCegarLoop]: Abstraction has 1219 states and 1804 transitions. [2024-10-14 05:26:24,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 59.833333333333336) internal successors, (359), 6 states have internal predecessors, (359), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 05:26:24,100 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1804 transitions. [2024-10-14 05:26:24,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2024-10-14 05:26:24,102 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:26:24,103 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 05:26:24,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-14 05:26:24,103 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:26:24,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:26:24,103 INFO L85 PathProgramCache]: Analyzing trace with hash 556649241, now seen corresponding path program 1 times [2024-10-14 05:26:24,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:26:24,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557560097] [2024-10-14 05:26:24,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:26:24,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:26:24,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:25,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 05:26:25,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:25,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-14 05:26:25,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:25,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 05:26:25,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:25,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 05:26:25,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:25,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 05:26:25,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:25,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 05:26:25,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:25,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-14 05:26:25,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:25,620 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 05:26:25,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:26:25,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557560097] [2024-10-14 05:26:25,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557560097] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:26:25,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:26:25,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 05:26:25,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317030403] [2024-10-14 05:26:25,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:26:25,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 05:26:25,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:26:25,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 05:26:25,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 05:26:25,623 INFO L87 Difference]: Start difference. First operand 1219 states and 1804 transitions. Second operand has 5 states, 5 states have (on average 72.0) internal successors, (360), 5 states have internal predecessors, (360), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 05:26:26,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:26:26,294 INFO L93 Difference]: Finished difference Result 2202 states and 3256 transitions. [2024-10-14 05:26:26,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 05:26:26,294 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 72.0) internal successors, (360), 5 states have internal predecessors, (360), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 392 [2024-10-14 05:26:26,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:26:26,299 INFO L225 Difference]: With dead ends: 2202 [2024-10-14 05:26:26,299 INFO L226 Difference]: Without dead ends: 1223 [2024-10-14 05:26:26,300 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 05:26:26,300 INFO L432 NwaCegarLoop]: 1333 mSDtfsCounter, 1640 mSDsluCounter, 2656 mSDsCounter, 0 mSdLazyCounter, 1159 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1642 SdHoareTripleChecker+Valid, 3989 SdHoareTripleChecker+Invalid, 1160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 05:26:26,300 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1642 Valid, 3989 Invalid, 1160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1159 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 05:26:26,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1223 states. [2024-10-14 05:26:26,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1223 to 1221. [2024-10-14 05:26:26,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1221 states, 1210 states have (on average 1.4776859504132231) internal successors, (1788), 1210 states have internal predecessors, (1788), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-14 05:26:26,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 1221 states and 1806 transitions. [2024-10-14 05:26:26,317 INFO L78 Accepts]: Start accepts. Automaton has 1221 states and 1806 transitions. Word has length 392 [2024-10-14 05:26:26,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:26:26,317 INFO L471 AbstractCegarLoop]: Abstraction has 1221 states and 1806 transitions. [2024-10-14 05:26:26,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 72.0) internal successors, (360), 5 states have internal predecessors, (360), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 05:26:26,318 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 1806 transitions. [2024-10-14 05:26:26,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2024-10-14 05:26:26,319 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:26:26,320 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 05:26:26,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-14 05:26:26,320 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:26:26,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:26:26,320 INFO L85 PathProgramCache]: Analyzing trace with hash 467918658, now seen corresponding path program 1 times [2024-10-14 05:26:26,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:26:26,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343146700] [2024-10-14 05:26:26,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:26:26,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:26:26,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:27,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 05:26:27,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:27,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-14 05:26:27,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:27,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 05:26:27,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:27,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 05:26:27,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:27,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 05:26:27,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:27,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 05:26:27,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:27,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-14 05:26:27,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:27,258 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 05:26:27,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:26:27,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343146700] [2024-10-14 05:26:27,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343146700] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:26:27,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:26:27,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 05:26:27,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548910529] [2024-10-14 05:26:27,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:26:27,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 05:26:27,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:26:27,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 05:26:27,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 05:26:27,260 INFO L87 Difference]: Start difference. First operand 1221 states and 1806 transitions. Second operand has 4 states, 4 states have (on average 90.25) internal successors, (361), 4 states have internal predecessors, (361), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 05:26:27,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:26:27,356 INFO L93 Difference]: Finished difference Result 2202 states and 3254 transitions. [2024-10-14 05:26:27,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 05:26:27,357 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 90.25) internal successors, (361), 4 states have internal predecessors, (361), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 393 [2024-10-14 05:26:27,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:26:27,360 INFO L225 Difference]: With dead ends: 2202 [2024-10-14 05:26:27,360 INFO L226 Difference]: Without dead ends: 1221 [2024-10-14 05:26:27,361 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 05:26:27,367 INFO L432 NwaCegarLoop]: 1663 mSDtfsCounter, 1433 mSDsluCounter, 1665 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1433 SdHoareTripleChecker+Valid, 3328 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 05:26:27,367 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1433 Valid, 3328 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 05:26:27,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1221 states. [2024-10-14 05:26:27,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1221 to 1221. [2024-10-14 05:26:27,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1221 states, 1210 states have (on average 1.4768595041322314) internal successors, (1787), 1210 states have internal predecessors, (1787), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-14 05:26:27,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 1221 states and 1805 transitions. [2024-10-14 05:26:27,385 INFO L78 Accepts]: Start accepts. Automaton has 1221 states and 1805 transitions. Word has length 393 [2024-10-14 05:26:27,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:26:27,386 INFO L471 AbstractCegarLoop]: Abstraction has 1221 states and 1805 transitions. [2024-10-14 05:26:27,386 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 90.25) internal successors, (361), 4 states have internal predecessors, (361), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 05:26:27,386 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 1805 transitions. [2024-10-14 05:26:27,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2024-10-14 05:26:27,388 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:26:27,388 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 05:26:27,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-14 05:26:27,389 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:26:27,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:26:27,389 INFO L85 PathProgramCache]: Analyzing trace with hash -482211461, now seen corresponding path program 1 times [2024-10-14 05:26:27,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:26:27,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615936002] [2024-10-14 05:26:27,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:26:27,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:26:27,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:28,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 05:26:28,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:28,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-14 05:26:28,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:28,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 05:26:28,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:28,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 05:26:28,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:28,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 05:26:28,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:28,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 05:26:28,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:28,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-14 05:26:28,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:28,576 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 05:26:28,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:26:28,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615936002] [2024-10-14 05:26:28,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615936002] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:26:28,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:26:28,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 05:26:28,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773732567] [2024-10-14 05:26:28,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:26:28,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 05:26:28,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:26:28,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 05:26:28,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 05:26:28,579 INFO L87 Difference]: Start difference. First operand 1221 states and 1805 transitions. Second operand has 5 states, 5 states have (on average 72.4) internal successors, (362), 5 states have internal predecessors, (362), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 05:26:29,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:26:29,202 INFO L93 Difference]: Finished difference Result 2206 states and 3258 transitions. [2024-10-14 05:26:29,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 05:26:29,202 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 72.4) internal successors, (362), 5 states have internal predecessors, (362), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 394 [2024-10-14 05:26:29,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:26:29,209 INFO L225 Difference]: With dead ends: 2206 [2024-10-14 05:26:29,209 INFO L226 Difference]: Without dead ends: 1225 [2024-10-14 05:26:29,210 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 05:26:29,211 INFO L432 NwaCegarLoop]: 1332 mSDtfsCounter, 1552 mSDsluCounter, 2654 mSDsCounter, 0 mSdLazyCounter, 1159 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1554 SdHoareTripleChecker+Valid, 3986 SdHoareTripleChecker+Invalid, 1160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 05:26:29,211 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1554 Valid, 3986 Invalid, 1160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1159 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 05:26:29,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1225 states. [2024-10-14 05:26:29,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1225 to 1223. [2024-10-14 05:26:29,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1223 states, 1212 states have (on average 1.476072607260726) internal successors, (1789), 1212 states have internal predecessors, (1789), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-14 05:26:29,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 1807 transitions. [2024-10-14 05:26:29,230 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 1807 transitions. Word has length 394 [2024-10-14 05:26:29,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:26:29,230 INFO L471 AbstractCegarLoop]: Abstraction has 1223 states and 1807 transitions. [2024-10-14 05:26:29,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 72.4) internal successors, (362), 5 states have internal predecessors, (362), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 05:26:29,231 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1807 transitions. [2024-10-14 05:26:29,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2024-10-14 05:26:29,232 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:26:29,232 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 05:26:29,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-14 05:26:29,233 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:26:29,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:26:29,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1508755227, now seen corresponding path program 1 times [2024-10-14 05:26:29,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:26:29,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638899619] [2024-10-14 05:26:29,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:26:29,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:26:29,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:29,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 05:26:29,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:29,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-14 05:26:29,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:29,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 05:26:29,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:29,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 05:26:29,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:29,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 05:26:29,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:29,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 05:26:29,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:29,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-14 05:26:29,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:29,913 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 05:26:29,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:26:29,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638899619] [2024-10-14 05:26:29,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638899619] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:26:29,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:26:29,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 05:26:29,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103096975] [2024-10-14 05:26:29,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:26:29,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 05:26:29,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:26:29,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 05:26:29,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 05:26:29,914 INFO L87 Difference]: Start difference. First operand 1223 states and 1807 transitions. Second operand has 4 states, 4 states have (on average 90.75) internal successors, (363), 4 states have internal predecessors, (363), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 05:26:30,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:26:30,063 INFO L93 Difference]: Finished difference Result 2206 states and 3256 transitions. [2024-10-14 05:26:30,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 05:26:30,065 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 90.75) internal successors, (363), 4 states have internal predecessors, (363), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 395 [2024-10-14 05:26:30,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:26:30,071 INFO L225 Difference]: With dead ends: 2206 [2024-10-14 05:26:30,071 INFO L226 Difference]: Without dead ends: 1223 [2024-10-14 05:26:30,072 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-14 05:26:30,073 INFO L432 NwaCegarLoop]: 1625 mSDtfsCounter, 1511 mSDsluCounter, 1627 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1511 SdHoareTripleChecker+Valid, 3252 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 05:26:30,075 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1511 Valid, 3252 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 05:26:30,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1223 states. [2024-10-14 05:26:30,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1223 to 1223. [2024-10-14 05:26:30,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1223 states, 1212 states have (on average 1.4752475247524752) internal successors, (1788), 1212 states have internal predecessors, (1788), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-14 05:26:30,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 1806 transitions. [2024-10-14 05:26:30,091 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 1806 transitions. Word has length 395 [2024-10-14 05:26:30,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:26:30,092 INFO L471 AbstractCegarLoop]: Abstraction has 1223 states and 1806 transitions. [2024-10-14 05:26:30,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 90.75) internal successors, (363), 4 states have internal predecessors, (363), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 05:26:30,092 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1806 transitions. [2024-10-14 05:26:30,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2024-10-14 05:26:30,094 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:26:30,094 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 05:26:30,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-14 05:26:30,094 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:26:30,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:26:30,095 INFO L85 PathProgramCache]: Analyzing trace with hash -61877665, now seen corresponding path program 1 times [2024-10-14 05:26:30,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:26:30,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122949940] [2024-10-14 05:26:30,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:26:30,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:26:30,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:30,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 05:26:30,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:30,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-14 05:26:30,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:30,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 05:26:30,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:30,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 05:26:30,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:30,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 05:26:30,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:30,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 05:26:30,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:30,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-14 05:26:30,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:30,851 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 05:26:30,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:26:30,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122949940] [2024-10-14 05:26:30,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122949940] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:26:30,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:26:30,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 05:26:30,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120704293] [2024-10-14 05:26:30,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:26:30,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 05:26:30,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:26:30,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 05:26:30,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 05:26:30,853 INFO L87 Difference]: Start difference. First operand 1223 states and 1806 transitions. Second operand has 5 states, 5 states have (on average 72.8) internal successors, (364), 5 states have internal predecessors, (364), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 05:26:31,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:26:31,016 INFO L93 Difference]: Finished difference Result 2206 states and 3254 transitions. [2024-10-14 05:26:31,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 05:26:31,016 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 72.8) internal successors, (364), 5 states have internal predecessors, (364), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 396 [2024-10-14 05:26:31,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:26:31,019 INFO L225 Difference]: With dead ends: 2206 [2024-10-14 05:26:31,019 INFO L226 Difference]: Without dead ends: 1223 [2024-10-14 05:26:31,021 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 05:26:31,021 INFO L432 NwaCegarLoop]: 1625 mSDtfsCounter, 1509 mSDsluCounter, 1637 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1509 SdHoareTripleChecker+Valid, 3262 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 05:26:31,021 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1509 Valid, 3262 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 05:26:31,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1223 states. [2024-10-14 05:26:31,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1223 to 1223. [2024-10-14 05:26:31,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1223 states, 1212 states have (on average 1.4744224422442245) internal successors, (1787), 1212 states have internal predecessors, (1787), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-14 05:26:31,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 1805 transitions. [2024-10-14 05:26:31,036 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 1805 transitions. Word has length 396 [2024-10-14 05:26:31,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:26:31,037 INFO L471 AbstractCegarLoop]: Abstraction has 1223 states and 1805 transitions. [2024-10-14 05:26:31,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 72.8) internal successors, (364), 5 states have internal predecessors, (364), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 05:26:31,037 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1805 transitions. [2024-10-14 05:26:31,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2024-10-14 05:26:31,039 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:26:31,039 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 05:26:31,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-14 05:26:31,039 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:26:31,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:26:31,040 INFO L85 PathProgramCache]: Analyzing trace with hash 2009165444, now seen corresponding path program 1 times [2024-10-14 05:26:31,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:26:31,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602920809] [2024-10-14 05:26:31,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:26:31,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:26:31,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:31,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 05:26:31,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:31,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-14 05:26:31,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:31,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 05:26:31,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:31,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 05:26:31,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:31,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 05:26:31,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:31,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 05:26:31,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:31,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-14 05:26:31,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:31,784 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 05:26:31,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:26:31,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602920809] [2024-10-14 05:26:31,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602920809] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:26:31,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:26:31,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 05:26:31,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163902131] [2024-10-14 05:26:31,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:26:31,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 05:26:31,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:26:31,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 05:26:31,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 05:26:31,786 INFO L87 Difference]: Start difference. First operand 1223 states and 1805 transitions. Second operand has 5 states, 5 states have (on average 73.0) internal successors, (365), 5 states have internal predecessors, (365), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 05:26:31,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:26:31,963 INFO L93 Difference]: Finished difference Result 2206 states and 3252 transitions. [2024-10-14 05:26:31,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 05:26:31,964 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 73.0) internal successors, (365), 5 states have internal predecessors, (365), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 397 [2024-10-14 05:26:31,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:26:31,967 INFO L225 Difference]: With dead ends: 2206 [2024-10-14 05:26:31,967 INFO L226 Difference]: Without dead ends: 1223 [2024-10-14 05:26:31,971 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 05:26:31,972 INFO L432 NwaCegarLoop]: 1625 mSDtfsCounter, 1508 mSDsluCounter, 1637 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1508 SdHoareTripleChecker+Valid, 3262 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 05:26:31,972 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1508 Valid, 3262 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 05:26:31,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1223 states. [2024-10-14 05:26:31,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1223 to 1223. [2024-10-14 05:26:31,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1223 states, 1212 states have (on average 1.4735973597359735) internal successors, (1786), 1212 states have internal predecessors, (1786), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-14 05:26:31,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 1804 transitions. [2024-10-14 05:26:31,992 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 1804 transitions. Word has length 397 [2024-10-14 05:26:31,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:26:31,993 INFO L471 AbstractCegarLoop]: Abstraction has 1223 states and 1804 transitions. [2024-10-14 05:26:31,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 73.0) internal successors, (365), 5 states have internal predecessors, (365), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 05:26:31,993 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1804 transitions. [2024-10-14 05:26:31,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2024-10-14 05:26:31,995 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:26:31,995 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 05:26:31,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-14 05:26:31,996 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:26:31,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:26:31,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1384187136, now seen corresponding path program 1 times [2024-10-14 05:26:31,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:26:31,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562256530] [2024-10-14 05:26:31,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:26:31,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:26:32,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:32,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 05:26:32,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:32,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-14 05:26:32,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:32,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 05:26:32,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:32,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 05:26:32,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:32,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 05:26:32,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:32,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 05:26:32,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:32,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-14 05:26:32,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:32,818 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 05:26:32,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:26:32,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562256530] [2024-10-14 05:26:32,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562256530] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:26:32,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:26:32,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 05:26:32,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035489755] [2024-10-14 05:26:32,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:26:32,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 05:26:32,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:26:32,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 05:26:32,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 05:26:32,821 INFO L87 Difference]: Start difference. First operand 1223 states and 1804 transitions. Second operand has 5 states, 5 states have (on average 73.2) internal successors, (366), 5 states have internal predecessors, (366), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 05:26:32,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:26:32,989 INFO L93 Difference]: Finished difference Result 2206 states and 3250 transitions. [2024-10-14 05:26:32,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 05:26:32,990 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 73.2) internal successors, (366), 5 states have internal predecessors, (366), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 398 [2024-10-14 05:26:32,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:26:32,993 INFO L225 Difference]: With dead ends: 2206 [2024-10-14 05:26:32,993 INFO L226 Difference]: Without dead ends: 1223 [2024-10-14 05:26:32,994 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 05:26:32,994 INFO L432 NwaCegarLoop]: 1625 mSDtfsCounter, 2924 mSDsluCounter, 1627 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2924 SdHoareTripleChecker+Valid, 3252 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 05:26:32,995 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2924 Valid, 3252 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 05:26:32,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1223 states. [2024-10-14 05:26:33,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1223 to 1223. [2024-10-14 05:26:33,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1223 states, 1212 states have (on average 1.4727722772277227) internal successors, (1785), 1212 states have internal predecessors, (1785), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-14 05:26:33,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 1803 transitions. [2024-10-14 05:26:33,018 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 1803 transitions. Word has length 398 [2024-10-14 05:26:33,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:26:33,018 INFO L471 AbstractCegarLoop]: Abstraction has 1223 states and 1803 transitions. [2024-10-14 05:26:33,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 73.2) internal successors, (366), 5 states have internal predecessors, (366), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 05:26:33,019 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1803 transitions. [2024-10-14 05:26:33,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2024-10-14 05:26:33,022 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:26:33,022 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 05:26:33,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-10-14 05:26:33,023 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:26:33,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:26:33,023 INFO L85 PathProgramCache]: Analyzing trace with hash -694674659, now seen corresponding path program 1 times [2024-10-14 05:26:33,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:26:33,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478823118] [2024-10-14 05:26:33,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:26:33,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:26:33,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:33,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 05:26:33,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:33,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-14 05:26:33,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:33,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 05:26:33,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:33,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 05:26:33,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:33,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 05:26:33,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:33,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 05:26:33,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:33,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-14 05:26:33,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:33,924 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 05:26:33,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:26:33,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478823118] [2024-10-14 05:26:33,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478823118] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:26:33,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:26:33,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 05:26:33,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049507109] [2024-10-14 05:26:33,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:26:33,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 05:26:33,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:26:33,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 05:26:33,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 05:26:33,926 INFO L87 Difference]: Start difference. First operand 1223 states and 1803 transitions. Second operand has 5 states, 5 states have (on average 73.4) internal successors, (367), 5 states have internal predecessors, (367), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 05:26:34,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:26:34,078 INFO L93 Difference]: Finished difference Result 2206 states and 3248 transitions. [2024-10-14 05:26:34,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 05:26:34,078 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 73.4) internal successors, (367), 5 states have internal predecessors, (367), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 399 [2024-10-14 05:26:34,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:26:34,080 INFO L225 Difference]: With dead ends: 2206 [2024-10-14 05:26:34,080 INFO L226 Difference]: Without dead ends: 1223 [2024-10-14 05:26:34,081 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 05:26:34,082 INFO L432 NwaCegarLoop]: 1625 mSDtfsCounter, 2918 mSDsluCounter, 1627 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2918 SdHoareTripleChecker+Valid, 3252 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 05:26:34,083 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2918 Valid, 3252 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 05:26:34,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1223 states. [2024-10-14 05:26:34,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1223 to 1223. [2024-10-14 05:26:34,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1223 states, 1212 states have (on average 1.471947194719472) internal successors, (1784), 1212 states have internal predecessors, (1784), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-14 05:26:34,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 1802 transitions. [2024-10-14 05:26:34,104 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 1802 transitions. Word has length 399 [2024-10-14 05:26:34,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:26:34,105 INFO L471 AbstractCegarLoop]: Abstraction has 1223 states and 1802 transitions. [2024-10-14 05:26:34,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 73.4) internal successors, (367), 5 states have internal predecessors, (367), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 05:26:34,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1802 transitions. [2024-10-14 05:26:34,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2024-10-14 05:26:34,107 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:26:34,107 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 05:26:34,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-10-14 05:26:34,107 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:26:34,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:26:34,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1182906079, now seen corresponding path program 1 times [2024-10-14 05:26:34,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:26:34,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669073713] [2024-10-14 05:26:34,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:26:34,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:26:34,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:34,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 05:26:34,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:34,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-14 05:26:34,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:34,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 05:26:34,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:34,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 05:26:34,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:34,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 05:26:34,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:34,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 05:26:34,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:34,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-14 05:26:34,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:34,843 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 05:26:34,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:26:34,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669073713] [2024-10-14 05:26:34,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669073713] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:26:34,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:26:34,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 05:26:34,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194573572] [2024-10-14 05:26:34,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:26:34,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 05:26:34,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:26:34,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 05:26:34,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 05:26:34,846 INFO L87 Difference]: Start difference. First operand 1223 states and 1802 transitions. Second operand has 5 states, 5 states have (on average 73.6) internal successors, (368), 5 states have internal predecessors, (368), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 05:26:34,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:26:34,989 INFO L93 Difference]: Finished difference Result 2206 states and 3246 transitions. [2024-10-14 05:26:34,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 05:26:34,990 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 73.6) internal successors, (368), 5 states have internal predecessors, (368), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 400 [2024-10-14 05:26:34,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:26:34,992 INFO L225 Difference]: With dead ends: 2206 [2024-10-14 05:26:34,992 INFO L226 Difference]: Without dead ends: 1223 [2024-10-14 05:26:34,993 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 05:26:34,993 INFO L432 NwaCegarLoop]: 1625 mSDtfsCounter, 2912 mSDsluCounter, 1627 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2912 SdHoareTripleChecker+Valid, 3252 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 05:26:34,993 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2912 Valid, 3252 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 05:26:34,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1223 states. [2024-10-14 05:26:35,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1223 to 1223. [2024-10-14 05:26:35,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1223 states, 1212 states have (on average 1.471122112211221) internal successors, (1783), 1212 states have internal predecessors, (1783), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-14 05:26:35,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 1801 transitions. [2024-10-14 05:26:35,013 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 1801 transitions. Word has length 400 [2024-10-14 05:26:35,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:26:35,013 INFO L471 AbstractCegarLoop]: Abstraction has 1223 states and 1801 transitions. [2024-10-14 05:26:35,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 73.6) internal successors, (368), 5 states have internal predecessors, (368), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 05:26:35,013 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1801 transitions. [2024-10-14 05:26:35,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2024-10-14 05:26:35,015 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:26:35,015 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 05:26:35,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-10-14 05:26:35,016 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:26:35,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:26:35,016 INFO L85 PathProgramCache]: Analyzing trace with hash 600969916, now seen corresponding path program 1 times [2024-10-14 05:26:35,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:26:35,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214722622] [2024-10-14 05:26:35,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:26:35,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:26:35,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:36,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 05:26:36,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:36,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-14 05:26:36,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:36,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 05:26:36,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:36,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 05:26:36,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:36,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 05:26:36,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:36,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 05:26:36,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:36,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-14 05:26:36,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:36,384 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 05:26:36,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:26:36,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214722622] [2024-10-14 05:26:36,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214722622] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:26:36,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:26:36,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 05:26:36,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568181429] [2024-10-14 05:26:36,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:26:36,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 05:26:36,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:26:36,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 05:26:36,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 05:26:36,386 INFO L87 Difference]: Start difference. First operand 1223 states and 1801 transitions. Second operand has 5 states, 5 states have (on average 73.8) internal successors, (369), 5 states have internal predecessors, (369), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 05:26:36,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:26:36,439 INFO L93 Difference]: Finished difference Result 2538 states and 3718 transitions. [2024-10-14 05:26:36,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 05:26:36,440 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 73.8) internal successors, (369), 5 states have internal predecessors, (369), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 401 [2024-10-14 05:26:36,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:26:36,442 INFO L225 Difference]: With dead ends: 2538 [2024-10-14 05:26:36,442 INFO L226 Difference]: Without dead ends: 1555 [2024-10-14 05:26:36,443 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 05:26:36,444 INFO L432 NwaCegarLoop]: 1699 mSDtfsCounter, 280 mSDsluCounter, 5091 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 6790 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 05:26:36,444 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 6790 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 05:26:36,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1555 states. [2024-10-14 05:26:36,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1555 to 1553. [2024-10-14 05:26:36,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1553 states, 1542 states have (on average 1.461089494163424) internal successors, (2253), 1542 states have internal predecessors, (2253), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-14 05:26:36,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1553 states to 1553 states and 2271 transitions. [2024-10-14 05:26:36,463 INFO L78 Accepts]: Start accepts. Automaton has 1553 states and 2271 transitions. Word has length 401 [2024-10-14 05:26:36,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:26:36,463 INFO L471 AbstractCegarLoop]: Abstraction has 1553 states and 2271 transitions. [2024-10-14 05:26:36,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 73.8) internal successors, (369), 5 states have internal predecessors, (369), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 05:26:36,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1553 states and 2271 transitions. [2024-10-14 05:26:36,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2024-10-14 05:26:36,466 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:26:36,467 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 05:26:36,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-10-14 05:26:36,467 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:26:36,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:26:36,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1935880137, now seen corresponding path program 1 times [2024-10-14 05:26:36,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:26:36,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591469782] [2024-10-14 05:26:36,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:26:36,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:26:37,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:37,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-14 05:26:37,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:37,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-14 05:26:37,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:37,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-14 05:26:37,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:37,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 05:26:37,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:37,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-14 05:26:37,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:37,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 05:26:37,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:37,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2024-10-14 05:26:37,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:37,587 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 05:26:37,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:26:37,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591469782] [2024-10-14 05:26:37,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591469782] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:26:37,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:26:37,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 05:26:37,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351363920] [2024-10-14 05:26:37,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:26:37,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 05:26:37,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:26:37,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 05:26:37,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 05:26:37,589 INFO L87 Difference]: Start difference. First operand 1553 states and 2271 transitions. Second operand has 7 states, 7 states have (on average 52.857142857142854) internal successors, (370), 7 states have internal predecessors, (370), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 05:26:38,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:26:38,076 INFO L93 Difference]: Finished difference Result 3048 states and 4451 transitions. [2024-10-14 05:26:38,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 05:26:38,077 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 52.857142857142854) internal successors, (370), 7 states have internal predecessors, (370), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 402 [2024-10-14 05:26:38,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:26:38,079 INFO L225 Difference]: With dead ends: 3048 [2024-10-14 05:26:38,079 INFO L226 Difference]: Without dead ends: 1561 [2024-10-14 05:26:38,082 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-10-14 05:26:38,082 INFO L432 NwaCegarLoop]: 1683 mSDtfsCounter, 1871 mSDsluCounter, 6366 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1878 SdHoareTripleChecker+Valid, 8049 SdHoareTripleChecker+Invalid, 577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 05:26:38,083 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1878 Valid, 8049 Invalid, 577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 552 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 05:26:38,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1561 states. [2024-10-14 05:26:38,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1561 to 1557. [2024-10-14 05:26:38,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1557 states, 1546 states have (on average 1.4586028460543337) internal successors, (2255), 1546 states have internal predecessors, (2255), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-14 05:26:38,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1557 states to 1557 states and 2273 transitions. [2024-10-14 05:26:38,109 INFO L78 Accepts]: Start accepts. Automaton has 1557 states and 2273 transitions. Word has length 402 [2024-10-14 05:26:38,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:26:38,110 INFO L471 AbstractCegarLoop]: Abstraction has 1557 states and 2273 transitions. [2024-10-14 05:26:38,110 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 52.857142857142854) internal successors, (370), 7 states have internal predecessors, (370), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 05:26:38,110 INFO L276 IsEmpty]: Start isEmpty. Operand 1557 states and 2273 transitions. [2024-10-14 05:26:38,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2024-10-14 05:26:38,114 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:26:38,114 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 05:26:38,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-10-14 05:26:38,114 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:26:38,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:26:38,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1298884348, now seen corresponding path program 1 times [2024-10-14 05:26:38,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:26:38,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473891939] [2024-10-14 05:26:38,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:26:38,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:26:38,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:39,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-14 05:26:39,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:39,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 05:26:39,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:39,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 05:26:39,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:39,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 05:26:39,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:39,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 05:26:39,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:39,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2024-10-14 05:26:39,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:39,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-14 05:26:39,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:39,155 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 05:26:39,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:26:39,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473891939] [2024-10-14 05:26:39,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473891939] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:26:39,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:26:39,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 05:26:39,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531113565] [2024-10-14 05:26:39,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:26:39,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 05:26:39,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:26:39,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 05:26:39,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-10-14 05:26:39,157 INFO L87 Difference]: Start difference. First operand 1557 states and 2273 transitions. Second operand has 7 states, 7 states have (on average 53.0) internal successors, (371), 7 states have internal predecessors, (371), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 05:26:39,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:26:39,967 INFO L93 Difference]: Finished difference Result 2876 states and 4193 transitions. [2024-10-14 05:26:39,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 05:26:39,968 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 53.0) internal successors, (371), 7 states have internal predecessors, (371), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 403 [2024-10-14 05:26:39,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:26:39,970 INFO L225 Difference]: With dead ends: 2876 [2024-10-14 05:26:39,970 INFO L226 Difference]: Without dead ends: 1561 [2024-10-14 05:26:39,971 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-10-14 05:26:39,972 INFO L432 NwaCegarLoop]: 1306 mSDtfsCounter, 3213 mSDsluCounter, 3905 mSDsCounter, 0 mSdLazyCounter, 1611 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3216 SdHoareTripleChecker+Valid, 5211 SdHoareTripleChecker+Invalid, 1616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-14 05:26:39,972 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3216 Valid, 5211 Invalid, 1616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1611 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-14 05:26:39,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1561 states. [2024-10-14 05:26:39,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1561 to 1559. [2024-10-14 05:26:39,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1559 states, 1548 states have (on average 1.4573643410852712) internal successors, (2256), 1548 states have internal predecessors, (2256), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-10-14 05:26:39,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1559 states to 1559 states and 2274 transitions. [2024-10-14 05:26:39,988 INFO L78 Accepts]: Start accepts. Automaton has 1559 states and 2274 transitions. Word has length 403 [2024-10-14 05:26:39,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:26:39,989 INFO L471 AbstractCegarLoop]: Abstraction has 1559 states and 2274 transitions. [2024-10-14 05:26:39,989 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 53.0) internal successors, (371), 7 states have internal predecessors, (371), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 05:26:39,989 INFO L276 IsEmpty]: Start isEmpty. Operand 1559 states and 2274 transitions. [2024-10-14 05:26:39,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2024-10-14 05:26:39,992 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:26:39,992 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 05:26:39,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-10-14 05:26:39,992 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:26:39,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:26:39,993 INFO L85 PathProgramCache]: Analyzing trace with hash -1259089222, now seen corresponding path program 1 times [2024-10-14 05:26:39,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:26:39,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889612822] [2024-10-14 05:26:39,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:26:39,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:26:40,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:41,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-14 05:26:41,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:41,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 05:26:41,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:41,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 05:26:41,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:41,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 05:26:41,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:41,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 05:26:41,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:41,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-14 05:26:41,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:41,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2024-10-14 05:26:41,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:41,670 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 05:26:41,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:26:41,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889612822] [2024-10-14 05:26:41,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889612822] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:26:41,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:26:41,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-14 05:26:41,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056445814] [2024-10-14 05:26:41,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:26:41,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 05:26:41,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:26:41,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 05:26:41,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-10-14 05:26:41,672 INFO L87 Difference]: Start difference. First operand 1559 states and 2274 transitions. Second operand has 11 states, 11 states have (on average 33.81818181818182) internal successors, (372), 11 states have internal predecessors, (372), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 05:26:42,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:26:42,841 INFO L93 Difference]: Finished difference Result 4429 states and 6445 transitions. [2024-10-14 05:26:42,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 05:26:42,842 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 33.81818181818182) internal successors, (372), 11 states have internal predecessors, (372), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 404 [2024-10-14 05:26:42,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:26:42,846 INFO L225 Difference]: With dead ends: 4429 [2024-10-14 05:26:42,846 INFO L226 Difference]: Without dead ends: 3112 [2024-10-14 05:26:42,847 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2024-10-14 05:26:42,847 INFO L432 NwaCegarLoop]: 1400 mSDtfsCounter, 4410 mSDsluCounter, 9908 mSDsCounter, 0 mSdLazyCounter, 2775 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4426 SdHoareTripleChecker+Valid, 11308 SdHoareTripleChecker+Invalid, 2797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 2775 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-14 05:26:42,848 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4426 Valid, 11308 Invalid, 2797 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 2775 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-14 05:26:42,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3112 states. [2024-10-14 05:26:42,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3112 to 1841. [2024-10-14 05:26:42,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1841 states, 1819 states have (on average 1.4546454095656955) internal successors, (2646), 1819 states have internal predecessors, (2646), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-10-14 05:26:42,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 2686 transitions. [2024-10-14 05:26:42,873 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 2686 transitions. Word has length 404 [2024-10-14 05:26:42,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:26:42,873 INFO L471 AbstractCegarLoop]: Abstraction has 1841 states and 2686 transitions. [2024-10-14 05:26:42,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 33.81818181818182) internal successors, (372), 11 states have internal predecessors, (372), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-10-14 05:26:42,873 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 2686 transitions. [2024-10-14 05:26:42,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2024-10-14 05:26:42,876 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:26:42,876 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 05:26:42,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-10-14 05:26:42,876 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:26:42,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:26:42,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1765275617, now seen corresponding path program 1 times [2024-10-14 05:26:42,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:26:42,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152347370] [2024-10-14 05:26:42,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:26:42,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:26:43,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:44,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-14 05:26:44,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:44,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 05:26:44,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:44,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 05:26:44,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:44,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 05:26:44,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:44,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 05:26:44,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:44,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-14 05:26:44,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:44,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-14 05:26:44,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:44,502 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-10-14 05:26:44,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:26:44,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152347370] [2024-10-14 05:26:44,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152347370] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:26:44,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:26:44,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 05:26:44,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415906443] [2024-10-14 05:26:44,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:26:44,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 05:26:44,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:26:44,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 05:26:44,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 05:26:44,505 INFO L87 Difference]: Start difference. First operand 1841 states and 2686 transitions. Second operand has 7 states, 7 states have (on average 53.285714285714285) internal successors, (373), 7 states have internal predecessors, (373), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 05:26:44,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:26:44,679 INFO L93 Difference]: Finished difference Result 3980 states and 5781 transitions. [2024-10-14 05:26:44,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 05:26:44,679 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 53.285714285714285) internal successors, (373), 7 states have internal predecessors, (373), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 405 [2024-10-14 05:26:44,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:26:44,683 INFO L225 Difference]: With dead ends: 3980 [2024-10-14 05:26:44,683 INFO L226 Difference]: Without dead ends: 2663 [2024-10-14 05:26:44,685 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-10-14 05:26:44,685 INFO L432 NwaCegarLoop]: 1683 mSDtfsCounter, 3211 mSDsluCounter, 6723 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3218 SdHoareTripleChecker+Valid, 8406 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 05:26:44,685 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3218 Valid, 8406 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 05:26:44,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2663 states. [2024-10-14 05:26:44,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2663 to 2663. [2024-10-14 05:26:44,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2663 states, 2634 states have (on average 1.446848899012908) internal successors, (3811), 2634 states have internal predecessors, (3811), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-14 05:26:44,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2663 states to 2663 states and 3865 transitions. [2024-10-14 05:26:44,719 INFO L78 Accepts]: Start accepts. Automaton has 2663 states and 3865 transitions. Word has length 405 [2024-10-14 05:26:44,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:26:44,720 INFO L471 AbstractCegarLoop]: Abstraction has 2663 states and 3865 transitions. [2024-10-14 05:26:44,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 53.285714285714285) internal successors, (373), 7 states have internal predecessors, (373), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-10-14 05:26:44,720 INFO L276 IsEmpty]: Start isEmpty. Operand 2663 states and 3865 transitions. [2024-10-14 05:26:44,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 954 [2024-10-14 05:26:44,727 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:26:44,727 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 05:26:44,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-10-14 05:26:44,727 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:26:44,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:26:44,728 INFO L85 PathProgramCache]: Analyzing trace with hash -833584970, now seen corresponding path program 1 times [2024-10-14 05:26:44,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:26:44,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239128319] [2024-10-14 05:26:44,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:26:44,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:26:46,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:47,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-14 05:26:47,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:47,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 05:26:47,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:47,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 05:26:47,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:47,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 05:26:47,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:47,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 05:26:47,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:47,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-14 05:26:47,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:47,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-14 05:26:47,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:47,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2024-10-14 05:26:47,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:47,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 667 [2024-10-14 05:26:47,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:47,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 685 [2024-10-14 05:26:47,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:47,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 701 [2024-10-14 05:26:47,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:47,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 712 [2024-10-14 05:26:47,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:47,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 724 [2024-10-14 05:26:47,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:47,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2024-10-14 05:26:47,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:47,330 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 281 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-14 05:26:47,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:26:47,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239128319] [2024-10-14 05:26:47,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239128319] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:26:47,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:26:47,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 05:26:47,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045025133] [2024-10-14 05:26:47,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:26:47,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 05:26:47,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:26:47,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 05:26:47,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 05:26:47,333 INFO L87 Difference]: Start difference. First operand 2663 states and 3865 transitions. Second operand has 5 states, 5 states have (on average 177.2) internal successors, (886), 5 states have internal predecessors, (886), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 05:26:47,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:26:47,487 INFO L93 Difference]: Finished difference Result 3980 states and 5780 transitions. [2024-10-14 05:26:47,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 05:26:47,487 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 177.2) internal successors, (886), 5 states have internal predecessors, (886), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 953 [2024-10-14 05:26:47,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:26:47,491 INFO L225 Difference]: With dead ends: 3980 [2024-10-14 05:26:47,491 INFO L226 Difference]: Without dead ends: 2663 [2024-10-14 05:26:47,493 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 05:26:47,493 INFO L432 NwaCegarLoop]: 1623 mSDtfsCounter, 2735 mSDsluCounter, 1625 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2742 SdHoareTripleChecker+Valid, 3248 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 05:26:47,493 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2742 Valid, 3248 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 05:26:47,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2663 states. [2024-10-14 05:26:47,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2663 to 2663. [2024-10-14 05:26:47,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2663 states, 2634 states have (on average 1.4464692482915718) internal successors, (3810), 2634 states have internal predecessors, (3810), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-14 05:26:47,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2663 states to 2663 states and 3864 transitions. [2024-10-14 05:26:47,527 INFO L78 Accepts]: Start accepts. Automaton has 2663 states and 3864 transitions. Word has length 953 [2024-10-14 05:26:47,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:26:47,528 INFO L471 AbstractCegarLoop]: Abstraction has 2663 states and 3864 transitions. [2024-10-14 05:26:47,528 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 177.2) internal successors, (886), 5 states have internal predecessors, (886), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 05:26:47,528 INFO L276 IsEmpty]: Start isEmpty. Operand 2663 states and 3864 transitions. [2024-10-14 05:26:47,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 955 [2024-10-14 05:26:47,535 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:26:47,535 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 05:26:47,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-10-14 05:26:47,536 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:26:47,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:26:47,536 INFO L85 PathProgramCache]: Analyzing trace with hash -621107365, now seen corresponding path program 1 times [2024-10-14 05:26:47,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:26:47,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764950988] [2024-10-14 05:26:47,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:26:47,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:26:48,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:48,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-14 05:26:48,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:48,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 05:26:48,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:48,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 05:26:48,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:48,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 05:26:48,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:48,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 05:26:48,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:48,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-14 05:26:48,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:48,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-14 05:26:48,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:48,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 654 [2024-10-14 05:26:48,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:48,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 668 [2024-10-14 05:26:48,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:48,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 686 [2024-10-14 05:26:48,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:48,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 702 [2024-10-14 05:26:48,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:48,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 713 [2024-10-14 05:26:48,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:48,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 725 [2024-10-14 05:26:48,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:48,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 737 [2024-10-14 05:26:48,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:48,973 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 281 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-14 05:26:48,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:26:48,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764950988] [2024-10-14 05:26:48,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764950988] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:26:48,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:26:48,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 05:26:48,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617147786] [2024-10-14 05:26:48,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:26:48,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 05:26:48,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:26:48,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 05:26:48,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 05:26:48,978 INFO L87 Difference]: Start difference. First operand 2663 states and 3864 transitions. Second operand has 5 states, 5 states have (on average 177.4) internal successors, (887), 5 states have internal predecessors, (887), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 05:26:49,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:26:49,112 INFO L93 Difference]: Finished difference Result 3980 states and 5778 transitions. [2024-10-14 05:26:49,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 05:26:49,113 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 177.4) internal successors, (887), 5 states have internal predecessors, (887), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 954 [2024-10-14 05:26:49,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:26:49,116 INFO L225 Difference]: With dead ends: 3980 [2024-10-14 05:26:49,116 INFO L226 Difference]: Without dead ends: 2663 [2024-10-14 05:26:49,118 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 05:26:49,118 INFO L432 NwaCegarLoop]: 1623 mSDtfsCounter, 2719 mSDsluCounter, 1625 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2726 SdHoareTripleChecker+Valid, 3248 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 05:26:49,118 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2726 Valid, 3248 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 05:26:49,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2663 states. [2024-10-14 05:26:49,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2663 to 2663. [2024-10-14 05:26:49,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2663 states, 2634 states have (on average 1.4460895975702355) internal successors, (3809), 2634 states have internal predecessors, (3809), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-14 05:26:49,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2663 states to 2663 states and 3863 transitions. [2024-10-14 05:26:49,149 INFO L78 Accepts]: Start accepts. Automaton has 2663 states and 3863 transitions. Word has length 954 [2024-10-14 05:26:49,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:26:49,149 INFO L471 AbstractCegarLoop]: Abstraction has 2663 states and 3863 transitions. [2024-10-14 05:26:49,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 177.4) internal successors, (887), 5 states have internal predecessors, (887), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 05:26:49,150 INFO L276 IsEmpty]: Start isEmpty. Operand 2663 states and 3863 transitions. [2024-10-14 05:26:49,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 956 [2024-10-14 05:26:49,157 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:26:49,158 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 05:26:49,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-10-14 05:26:49,159 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:26:49,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:26:49,159 INFO L85 PathProgramCache]: Analyzing trace with hash -814163135, now seen corresponding path program 1 times [2024-10-14 05:26:49,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:26:49,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46082227] [2024-10-14 05:26:49,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:26:49,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:26:49,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:50,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-14 05:26:50,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:50,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 05:26:50,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:50,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 05:26:50,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:50,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 05:26:50,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:50,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 05:26:50,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:50,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-14 05:26:50,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:50,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-14 05:26:50,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:50,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2024-10-14 05:26:50,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:50,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 669 [2024-10-14 05:26:50,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:50,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 687 [2024-10-14 05:26:50,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:50,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 703 [2024-10-14 05:26:50,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:50,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 714 [2024-10-14 05:26:50,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:50,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 726 [2024-10-14 05:26:50,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:50,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 738 [2024-10-14 05:26:50,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:50,756 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 281 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-14 05:26:50,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:26:50,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46082227] [2024-10-14 05:26:50,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46082227] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:26:50,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:26:50,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 05:26:50,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929545367] [2024-10-14 05:26:50,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:26:50,757 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 05:26:50,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:26:50,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 05:26:50,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 05:26:50,758 INFO L87 Difference]: Start difference. First operand 2663 states and 3863 transitions. Second operand has 5 states, 5 states have (on average 177.6) internal successors, (888), 5 states have internal predecessors, (888), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 05:26:50,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:26:50,911 INFO L93 Difference]: Finished difference Result 3980 states and 5776 transitions. [2024-10-14 05:26:50,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 05:26:50,912 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 177.6) internal successors, (888), 5 states have internal predecessors, (888), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 955 [2024-10-14 05:26:50,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:26:50,916 INFO L225 Difference]: With dead ends: 3980 [2024-10-14 05:26:50,916 INFO L226 Difference]: Without dead ends: 2663 [2024-10-14 05:26:50,918 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 05:26:50,918 INFO L432 NwaCegarLoop]: 1623 mSDtfsCounter, 1446 mSDsluCounter, 1635 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1453 SdHoareTripleChecker+Valid, 3258 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 05:26:50,918 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1453 Valid, 3258 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 05:26:50,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2663 states. [2024-10-14 05:26:50,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2663 to 2663. [2024-10-14 05:26:50,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2663 states, 2634 states have (on average 1.445709946848899) internal successors, (3808), 2634 states have internal predecessors, (3808), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-14 05:26:50,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2663 states to 2663 states and 3862 transitions. [2024-10-14 05:26:50,951 INFO L78 Accepts]: Start accepts. Automaton has 2663 states and 3862 transitions. Word has length 955 [2024-10-14 05:26:50,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:26:50,952 INFO L471 AbstractCegarLoop]: Abstraction has 2663 states and 3862 transitions. [2024-10-14 05:26:50,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 177.6) internal successors, (888), 5 states have internal predecessors, (888), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 05:26:50,952 INFO L276 IsEmpty]: Start isEmpty. Operand 2663 states and 3862 transitions. [2024-10-14 05:26:50,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 957 [2024-10-14 05:26:50,959 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:26:50,959 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 05:26:50,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-10-14 05:26:50,960 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:26:50,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:26:50,960 INFO L85 PathProgramCache]: Analyzing trace with hash -779209146, now seen corresponding path program 1 times [2024-10-14 05:26:50,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:26:50,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667301790] [2024-10-14 05:26:50,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:26:50,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:26:51,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:52,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-14 05:26:52,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:52,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 05:26:52,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:52,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 05:26:52,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:52,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 05:26:52,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:52,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 05:26:52,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:52,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-14 05:26:52,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:52,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-14 05:26:52,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:52,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 656 [2024-10-14 05:26:52,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:52,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 670 [2024-10-14 05:26:52,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:52,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 688 [2024-10-14 05:26:52,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:52,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 704 [2024-10-14 05:26:52,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:52,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 715 [2024-10-14 05:26:52,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:52,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2024-10-14 05:26:52,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:52,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 739 [2024-10-14 05:26:52,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:52,308 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 281 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-14 05:26:52,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:26:52,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667301790] [2024-10-14 05:26:52,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667301790] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:26:52,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:26:52,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 05:26:52,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068357587] [2024-10-14 05:26:52,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:26:52,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 05:26:52,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:26:52,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 05:26:52,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 05:26:52,311 INFO L87 Difference]: Start difference. First operand 2663 states and 3862 transitions. Second operand has 5 states, 5 states have (on average 177.8) internal successors, (889), 5 states have internal predecessors, (889), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 05:26:52,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:26:52,442 INFO L93 Difference]: Finished difference Result 3980 states and 5774 transitions. [2024-10-14 05:26:52,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 05:26:52,443 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 177.8) internal successors, (889), 5 states have internal predecessors, (889), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 956 [2024-10-14 05:26:52,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:26:52,447 INFO L225 Difference]: With dead ends: 3980 [2024-10-14 05:26:52,447 INFO L226 Difference]: Without dead ends: 2663 [2024-10-14 05:26:52,448 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 05:26:52,449 INFO L432 NwaCegarLoop]: 1623 mSDtfsCounter, 2687 mSDsluCounter, 1625 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2694 SdHoareTripleChecker+Valid, 3248 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 05:26:52,449 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2694 Valid, 3248 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 05:26:52,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2663 states. [2024-10-14 05:26:52,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2663 to 2663. [2024-10-14 05:26:52,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2663 states, 2634 states have (on average 1.4453302961275627) internal successors, (3807), 2634 states have internal predecessors, (3807), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-14 05:26:52,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2663 states to 2663 states and 3861 transitions. [2024-10-14 05:26:52,477 INFO L78 Accepts]: Start accepts. Automaton has 2663 states and 3861 transitions. Word has length 956 [2024-10-14 05:26:52,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:26:52,479 INFO L471 AbstractCegarLoop]: Abstraction has 2663 states and 3861 transitions. [2024-10-14 05:26:52,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 177.8) internal successors, (889), 5 states have internal predecessors, (889), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 05:26:52,480 INFO L276 IsEmpty]: Start isEmpty. Operand 2663 states and 3861 transitions. [2024-10-14 05:26:52,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 958 [2024-10-14 05:26:52,486 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:26:52,486 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 05:26:52,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-10-14 05:26:52,486 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:26:52,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:26:52,487 INFO L85 PathProgramCache]: Analyzing trace with hash 336136780, now seen corresponding path program 1 times [2024-10-14 05:26:52,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:26:52,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791667984] [2024-10-14 05:26:52,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:26:52,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:26:52,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:54,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-14 05:26:54,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:54,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 05:26:54,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:54,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 05:26:54,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:54,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 05:26:54,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:54,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 05:26:54,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:54,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-14 05:26:54,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:54,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-14 05:26:54,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:54,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 657 [2024-10-14 05:26:54,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:54,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2024-10-14 05:26:54,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:54,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2024-10-14 05:26:54,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:54,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 705 [2024-10-14 05:26:54,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:54,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 716 [2024-10-14 05:26:54,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:54,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 728 [2024-10-14 05:26:54,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:54,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 740 [2024-10-14 05:26:54,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:54,124 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 281 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-14 05:26:54,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:26:54,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791667984] [2024-10-14 05:26:54,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791667984] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:26:54,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:26:54,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 05:26:54,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197303477] [2024-10-14 05:26:54,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:26:54,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 05:26:54,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:26:54,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 05:26:54,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 05:26:54,128 INFO L87 Difference]: Start difference. First operand 2663 states and 3861 transitions. Second operand has 5 states, 5 states have (on average 178.0) internal successors, (890), 5 states have internal predecessors, (890), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 05:26:54,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:26:54,233 INFO L93 Difference]: Finished difference Result 3980 states and 5772 transitions. [2024-10-14 05:26:54,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 05:26:54,234 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 178.0) internal successors, (890), 5 states have internal predecessors, (890), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 957 [2024-10-14 05:26:54,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:26:54,238 INFO L225 Difference]: With dead ends: 3980 [2024-10-14 05:26:54,238 INFO L226 Difference]: Without dead ends: 2663 [2024-10-14 05:26:54,239 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 05:26:54,239 INFO L432 NwaCegarLoop]: 1651 mSDtfsCounter, 1423 mSDsluCounter, 1663 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1430 SdHoareTripleChecker+Valid, 3314 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 05:26:54,240 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1430 Valid, 3314 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 05:26:54,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2663 states. [2024-10-14 05:26:54,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2663 to 2663. [2024-10-14 05:26:54,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2663 states, 2634 states have (on average 1.4449506454062262) internal successors, (3806), 2634 states have internal predecessors, (3806), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-14 05:26:54,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2663 states to 2663 states and 3860 transitions. [2024-10-14 05:26:54,276 INFO L78 Accepts]: Start accepts. Automaton has 2663 states and 3860 transitions. Word has length 957 [2024-10-14 05:26:54,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:26:54,277 INFO L471 AbstractCegarLoop]: Abstraction has 2663 states and 3860 transitions. [2024-10-14 05:26:54,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 178.0) internal successors, (890), 5 states have internal predecessors, (890), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 05:26:54,278 INFO L276 IsEmpty]: Start isEmpty. Operand 2663 states and 3860 transitions. [2024-10-14 05:26:54,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 959 [2024-10-14 05:26:54,284 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:26:54,284 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 05:26:54,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-10-14 05:26:54,284 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:26:54,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:26:54,285 INFO L85 PathProgramCache]: Analyzing trace with hash -394825295, now seen corresponding path program 1 times [2024-10-14 05:26:54,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:26:54,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004969677] [2024-10-14 05:26:54,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:26:54,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:26:54,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:55,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-14 05:26:55,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:55,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 05:26:55,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:55,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 05:26:55,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:55,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 05:26:55,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:55,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 05:26:55,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:55,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-14 05:26:55,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:55,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-14 05:26:55,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:55,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 658 [2024-10-14 05:26:55,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:55,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 672 [2024-10-14 05:26:55,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:55,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 690 [2024-10-14 05:26:55,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:55,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 706 [2024-10-14 05:26:55,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:55,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 717 [2024-10-14 05:26:55,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:55,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 729 [2024-10-14 05:26:55,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:55,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 741 [2024-10-14 05:26:55,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:55,874 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 281 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-14 05:26:55,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:26:55,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004969677] [2024-10-14 05:26:55,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004969677] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:26:55,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:26:55,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 05:26:55,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908676255] [2024-10-14 05:26:55,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:26:55,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 05:26:55,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:26:55,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 05:26:55,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 05:26:55,877 INFO L87 Difference]: Start difference. First operand 2663 states and 3860 transitions. Second operand has 5 states, 5 states have (on average 178.2) internal successors, (891), 5 states have internal predecessors, (891), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 05:26:55,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:26:55,968 INFO L93 Difference]: Finished difference Result 3980 states and 5770 transitions. [2024-10-14 05:26:55,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 05:26:55,968 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 178.2) internal successors, (891), 5 states have internal predecessors, (891), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 958 [2024-10-14 05:26:55,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:26:55,971 INFO L225 Difference]: With dead ends: 3980 [2024-10-14 05:26:55,971 INFO L226 Difference]: Without dead ends: 2663 [2024-10-14 05:26:55,973 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 05:26:55,973 INFO L432 NwaCegarLoop]: 1651 mSDtfsCounter, 2648 mSDsluCounter, 1653 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2655 SdHoareTripleChecker+Valid, 3304 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 05:26:55,974 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2655 Valid, 3304 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 05:26:55,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2663 states. [2024-10-14 05:26:55,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2663 to 2663. [2024-10-14 05:26:56,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2663 states, 2634 states have (on average 1.44457099468489) internal successors, (3805), 2634 states have internal predecessors, (3805), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-14 05:26:56,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2663 states to 2663 states and 3859 transitions. [2024-10-14 05:26:56,002 INFO L78 Accepts]: Start accepts. Automaton has 2663 states and 3859 transitions. Word has length 958 [2024-10-14 05:26:56,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:26:56,003 INFO L471 AbstractCegarLoop]: Abstraction has 2663 states and 3859 transitions. [2024-10-14 05:26:56,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 178.2) internal successors, (891), 5 states have internal predecessors, (891), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 05:26:56,003 INFO L276 IsEmpty]: Start isEmpty. Operand 2663 states and 3859 transitions. [2024-10-14 05:26:56,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 960 [2024-10-14 05:26:56,009 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:26:56,009 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 05:26:56,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-10-14 05:26:56,010 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:26:56,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:26:56,010 INFO L85 PathProgramCache]: Analyzing trace with hash 2131021271, now seen corresponding path program 1 times [2024-10-14 05:26:56,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:26:56,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101260746] [2024-10-14 05:26:56,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:26:56,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:26:56,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:57,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-14 05:26:57,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:57,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 05:26:57,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:57,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 05:26:57,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:57,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 05:26:57,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:57,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 05:26:57,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:57,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-14 05:26:57,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:57,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-14 05:26:57,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:57,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2024-10-14 05:26:57,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:57,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2024-10-14 05:26:57,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:57,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2024-10-14 05:26:57,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:57,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 707 [2024-10-14 05:26:57,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:57,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2024-10-14 05:26:57,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:57,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 730 [2024-10-14 05:26:57,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:57,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 742 [2024-10-14 05:26:57,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:57,610 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 281 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-14 05:26:57,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:26:57,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101260746] [2024-10-14 05:26:57,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101260746] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:26:57,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:26:57,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 05:26:57,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374021641] [2024-10-14 05:26:57,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:26:57,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 05:26:57,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:26:57,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 05:26:57,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 05:26:57,613 INFO L87 Difference]: Start difference. First operand 2663 states and 3859 transitions. Second operand has 5 states, 5 states have (on average 178.4) internal successors, (892), 5 states have internal predecessors, (892), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 05:26:58,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:26:58,056 INFO L93 Difference]: Finished difference Result 3980 states and 5768 transitions. [2024-10-14 05:26:58,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 05:26:58,057 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 178.4) internal successors, (892), 5 states have internal predecessors, (892), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 959 [2024-10-14 05:26:58,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:26:58,061 INFO L225 Difference]: With dead ends: 3980 [2024-10-14 05:26:58,061 INFO L226 Difference]: Without dead ends: 2663 [2024-10-14 05:26:58,062 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 05:26:58,063 INFO L432 NwaCegarLoop]: 1305 mSDtfsCounter, 1326 mSDsluCounter, 1317 mSDsCounter, 0 mSdLazyCounter, 789 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1326 SdHoareTripleChecker+Valid, 2622 SdHoareTripleChecker+Invalid, 790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 05:26:58,063 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1326 Valid, 2622 Invalid, 790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 789 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 05:26:58,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2663 states. [2024-10-14 05:26:58,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2663 to 2663. [2024-10-14 05:26:58,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2663 states, 2634 states have (on average 1.4441913439635534) internal successors, (3804), 2634 states have internal predecessors, (3804), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-14 05:26:58,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2663 states to 2663 states and 3858 transitions. [2024-10-14 05:26:58,101 INFO L78 Accepts]: Start accepts. Automaton has 2663 states and 3858 transitions. Word has length 959 [2024-10-14 05:26:58,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:26:58,101 INFO L471 AbstractCegarLoop]: Abstraction has 2663 states and 3858 transitions. [2024-10-14 05:26:58,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 178.4) internal successors, (892), 5 states have internal predecessors, (892), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 05:26:58,102 INFO L276 IsEmpty]: Start isEmpty. Operand 2663 states and 3858 transitions. [2024-10-14 05:26:58,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 961 [2024-10-14 05:26:58,108 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:26:58,109 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 05:26:58,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-10-14 05:26:58,109 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:26:58,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:26:58,110 INFO L85 PathProgramCache]: Analyzing trace with hash -45344356, now seen corresponding path program 1 times [2024-10-14 05:26:58,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:26:58,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030603467] [2024-10-14 05:26:58,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:26:58,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:26:58,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:59,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-14 05:26:59,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:59,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 05:26:59,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:59,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 05:26:59,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:59,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 05:26:59,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:59,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 05:26:59,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:59,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-14 05:26:59,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:59,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-14 05:26:59,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:59,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 660 [2024-10-14 05:26:59,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:59,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 674 [2024-10-14 05:26:59,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:59,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 692 [2024-10-14 05:26:59,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:59,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 708 [2024-10-14 05:26:59,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:59,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 719 [2024-10-14 05:26:59,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:59,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 731 [2024-10-14 05:26:59,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:59,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 743 [2024-10-14 05:26:59,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:26:59,463 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 281 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-14 05:26:59,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:26:59,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030603467] [2024-10-14 05:26:59,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030603467] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:26:59,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:26:59,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 05:26:59,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133491842] [2024-10-14 05:26:59,463 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:26:59,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 05:26:59,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:26:59,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 05:26:59,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 05:26:59,465 INFO L87 Difference]: Start difference. First operand 2663 states and 3858 transitions. Second operand has 5 states, 5 states have (on average 178.6) internal successors, (893), 5 states have internal predecessors, (893), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 05:26:59,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:26:59,589 INFO L93 Difference]: Finished difference Result 3980 states and 5766 transitions. [2024-10-14 05:26:59,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 05:26:59,589 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 178.6) internal successors, (893), 5 states have internal predecessors, (893), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 960 [2024-10-14 05:26:59,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:26:59,593 INFO L225 Difference]: With dead ends: 3980 [2024-10-14 05:26:59,593 INFO L226 Difference]: Without dead ends: 2663 [2024-10-14 05:26:59,594 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 05:26:59,594 INFO L432 NwaCegarLoop]: 1620 mSDtfsCounter, 1356 mSDsluCounter, 1632 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1363 SdHoareTripleChecker+Valid, 3252 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 05:26:59,595 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1363 Valid, 3252 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 05:26:59,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2663 states. [2024-10-14 05:26:59,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2663 to 2663. [2024-10-14 05:26:59,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2663 states, 2634 states have (on average 1.4438116932422171) internal successors, (3803), 2634 states have internal predecessors, (3803), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-14 05:26:59,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2663 states to 2663 states and 3857 transitions. [2024-10-14 05:26:59,627 INFO L78 Accepts]: Start accepts. Automaton has 2663 states and 3857 transitions. Word has length 960 [2024-10-14 05:26:59,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:26:59,628 INFO L471 AbstractCegarLoop]: Abstraction has 2663 states and 3857 transitions. [2024-10-14 05:26:59,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 178.6) internal successors, (893), 5 states have internal predecessors, (893), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 05:26:59,629 INFO L276 IsEmpty]: Start isEmpty. Operand 2663 states and 3857 transitions. [2024-10-14 05:26:59,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 962 [2024-10-14 05:26:59,635 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:26:59,635 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 05:26:59,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-10-14 05:26:59,635 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:26:59,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:26:59,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1886752563, now seen corresponding path program 1 times [2024-10-14 05:26:59,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:26:59,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58642175] [2024-10-14 05:26:59,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:26:59,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:27:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:01,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-14 05:27:01,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:01,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 05:27:01,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:01,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 05:27:01,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:01,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 05:27:01,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:01,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 05:27:01,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:01,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-14 05:27:01,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:01,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-14 05:27:01,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:01,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 661 [2024-10-14 05:27:01,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:01,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 675 [2024-10-14 05:27:01,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:01,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 693 [2024-10-14 05:27:01,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:01,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2024-10-14 05:27:01,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:01,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 720 [2024-10-14 05:27:01,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:01,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 732 [2024-10-14 05:27:01,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:01,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 744 [2024-10-14 05:27:01,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:01,240 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 281 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-14 05:27:01,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:27:01,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58642175] [2024-10-14 05:27:01,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58642175] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:27:01,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:27:01,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 05:27:01,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382132142] [2024-10-14 05:27:01,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:27:01,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 05:27:01,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:27:01,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 05:27:01,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 05:27:01,243 INFO L87 Difference]: Start difference. First operand 2663 states and 3857 transitions. Second operand has 5 states, 5 states have (on average 178.8) internal successors, (894), 5 states have internal predecessors, (894), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 05:27:01,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:27:01,408 INFO L93 Difference]: Finished difference Result 3980 states and 5764 transitions. [2024-10-14 05:27:01,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 05:27:01,409 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 178.8) internal successors, (894), 5 states have internal predecessors, (894), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 961 [2024-10-14 05:27:01,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:27:01,413 INFO L225 Difference]: With dead ends: 3980 [2024-10-14 05:27:01,413 INFO L226 Difference]: Without dead ends: 2663 [2024-10-14 05:27:01,415 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 05:27:01,415 INFO L432 NwaCegarLoop]: 1620 mSDtfsCounter, 2507 mSDsluCounter, 1622 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2514 SdHoareTripleChecker+Valid, 3242 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 05:27:01,415 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2514 Valid, 3242 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 05:27:01,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2663 states. [2024-10-14 05:27:01,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2663 to 2663. [2024-10-14 05:27:01,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2663 states, 2634 states have (on average 1.4434320425208809) internal successors, (3802), 2634 states have internal predecessors, (3802), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-14 05:27:01,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2663 states to 2663 states and 3856 transitions. [2024-10-14 05:27:01,470 INFO L78 Accepts]: Start accepts. Automaton has 2663 states and 3856 transitions. Word has length 961 [2024-10-14 05:27:01,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:27:01,470 INFO L471 AbstractCegarLoop]: Abstraction has 2663 states and 3856 transitions. [2024-10-14 05:27:01,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 178.8) internal successors, (894), 5 states have internal predecessors, (894), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 05:27:01,471 INFO L276 IsEmpty]: Start isEmpty. Operand 2663 states and 3856 transitions. [2024-10-14 05:27:01,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 963 [2024-10-14 05:27:01,482 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:27:01,483 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 05:27:01,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-10-14 05:27:01,483 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:27:01,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:27:01,483 INFO L85 PathProgramCache]: Analyzing trace with hash 499165415, now seen corresponding path program 1 times [2024-10-14 05:27:01,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:27:01,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108375414] [2024-10-14 05:27:01,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:27:01,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:27:01,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:02,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-14 05:27:02,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:02,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 05:27:02,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:02,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 05:27:02,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:02,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 05:27:02,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:02,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 05:27:02,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:02,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-14 05:27:02,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:02,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-14 05:27:02,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:02,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 662 [2024-10-14 05:27:02,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:02,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 676 [2024-10-14 05:27:02,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:02,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 694 [2024-10-14 05:27:02,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:02,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 710 [2024-10-14 05:27:02,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:02,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 721 [2024-10-14 05:27:02,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:02,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 733 [2024-10-14 05:27:02,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:02,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2024-10-14 05:27:02,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:02,817 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 281 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-14 05:27:02,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:27:02,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108375414] [2024-10-14 05:27:02,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108375414] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:27:02,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:27:02,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 05:27:02,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022077857] [2024-10-14 05:27:02,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:27:02,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 05:27:02,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:27:02,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 05:27:02,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 05:27:02,820 INFO L87 Difference]: Start difference. First operand 2663 states and 3856 transitions. Second operand has 5 states, 5 states have (on average 179.0) internal successors, (895), 5 states have internal predecessors, (895), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 05:27:02,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:27:02,941 INFO L93 Difference]: Finished difference Result 3980 states and 5762 transitions. [2024-10-14 05:27:02,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 05:27:02,942 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 179.0) internal successors, (895), 5 states have internal predecessors, (895), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 962 [2024-10-14 05:27:02,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:27:02,944 INFO L225 Difference]: With dead ends: 3980 [2024-10-14 05:27:02,944 INFO L226 Difference]: Without dead ends: 2663 [2024-10-14 05:27:02,946 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 05:27:02,946 INFO L432 NwaCegarLoop]: 1620 mSDtfsCounter, 1340 mSDsluCounter, 1632 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1347 SdHoareTripleChecker+Valid, 3252 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 05:27:02,946 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1347 Valid, 3252 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 05:27:02,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2663 states. [2024-10-14 05:27:02,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2663 to 2663. [2024-10-14 05:27:02,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2663 states, 2634 states have (on average 1.4430523917995444) internal successors, (3801), 2634 states have internal predecessors, (3801), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-14 05:27:02,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2663 states to 2663 states and 3855 transitions. [2024-10-14 05:27:02,975 INFO L78 Accepts]: Start accepts. Automaton has 2663 states and 3855 transitions. Word has length 962 [2024-10-14 05:27:02,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:27:02,976 INFO L471 AbstractCegarLoop]: Abstraction has 2663 states and 3855 transitions. [2024-10-14 05:27:02,976 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 179.0) internal successors, (895), 5 states have internal predecessors, (895), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 05:27:02,976 INFO L276 IsEmpty]: Start isEmpty. Operand 2663 states and 3855 transitions. [2024-10-14 05:27:02,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 964 [2024-10-14 05:27:02,982 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:27:02,983 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 05:27:02,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-10-14 05:27:02,983 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:27:02,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:27:02,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1143672414, now seen corresponding path program 1 times [2024-10-14 05:27:02,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:27:02,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272342270] [2024-10-14 05:27:02,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:27:02,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:27:03,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:04,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-14 05:27:04,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:04,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 05:27:04,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:04,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 05:27:04,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:04,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 05:27:04,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:04,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 05:27:04,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:04,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-14 05:27:04,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:04,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-14 05:27:04,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:04,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 663 [2024-10-14 05:27:04,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:04,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2024-10-14 05:27:04,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:04,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 695 [2024-10-14 05:27:04,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:04,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 711 [2024-10-14 05:27:04,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:04,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 722 [2024-10-14 05:27:04,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:04,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 734 [2024-10-14 05:27:04,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:04,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 746 [2024-10-14 05:27:04,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:04,410 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 281 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-14 05:27:04,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:27:04,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272342270] [2024-10-14 05:27:04,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272342270] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:27:04,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:27:04,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 05:27:04,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087732146] [2024-10-14 05:27:04,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:27:04,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 05:27:04,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:27:04,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 05:27:04,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 05:27:04,413 INFO L87 Difference]: Start difference. First operand 2663 states and 3855 transitions. Second operand has 5 states, 5 states have (on average 179.2) internal successors, (896), 5 states have internal predecessors, (896), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 05:27:04,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:27:04,549 INFO L93 Difference]: Finished difference Result 3980 states and 5760 transitions. [2024-10-14 05:27:04,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 05:27:04,550 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 179.2) internal successors, (896), 5 states have internal predecessors, (896), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 963 [2024-10-14 05:27:04,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:27:04,553 INFO L225 Difference]: With dead ends: 3980 [2024-10-14 05:27:04,553 INFO L226 Difference]: Without dead ends: 2663 [2024-10-14 05:27:04,555 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 05:27:04,556 INFO L432 NwaCegarLoop]: 1620 mSDtfsCounter, 2475 mSDsluCounter, 1622 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2482 SdHoareTripleChecker+Valid, 3242 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 05:27:04,556 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2482 Valid, 3242 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 05:27:04,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2663 states. [2024-10-14 05:27:04,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2663 to 2663. [2024-10-14 05:27:04,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2663 states, 2634 states have (on average 1.442672741078208) internal successors, (3800), 2634 states have internal predecessors, (3800), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-14 05:27:04,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2663 states to 2663 states and 3854 transitions. [2024-10-14 05:27:04,597 INFO L78 Accepts]: Start accepts. Automaton has 2663 states and 3854 transitions. Word has length 963 [2024-10-14 05:27:04,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:27:04,598 INFO L471 AbstractCegarLoop]: Abstraction has 2663 states and 3854 transitions. [2024-10-14 05:27:04,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 179.2) internal successors, (896), 5 states have internal predecessors, (896), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 05:27:04,599 INFO L276 IsEmpty]: Start isEmpty. Operand 2663 states and 3854 transitions. [2024-10-14 05:27:04,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 965 [2024-10-14 05:27:04,607 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:27:04,608 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 05:27:04,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-10-14 05:27:04,608 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:27:04,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:27:04,609 INFO L85 PathProgramCache]: Analyzing trace with hash 809647282, now seen corresponding path program 1 times [2024-10-14 05:27:04,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:27:04,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18789706] [2024-10-14 05:27:04,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:27:04,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:27:05,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:06,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-14 05:27:06,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:06,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 05:27:06,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:06,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 05:27:06,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:06,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 05:27:06,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:06,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 05:27:06,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:06,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-14 05:27:06,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:06,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-14 05:27:06,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:06,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 664 [2024-10-14 05:27:06,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:06,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2024-10-14 05:27:06,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:06,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 696 [2024-10-14 05:27:06,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:06,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 712 [2024-10-14 05:27:06,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:06,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 723 [2024-10-14 05:27:06,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:06,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 735 [2024-10-14 05:27:06,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:06,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 747 [2024-10-14 05:27:06,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:06,223 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 281 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-14 05:27:06,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:27:06,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18789706] [2024-10-14 05:27:06,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18789706] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:27:06,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:27:06,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 05:27:06,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289774053] [2024-10-14 05:27:06,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:27:06,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 05:27:06,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:27:06,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 05:27:06,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 05:27:06,226 INFO L87 Difference]: Start difference. First operand 2663 states and 3854 transitions. Second operand has 5 states, 5 states have (on average 179.4) internal successors, (897), 5 states have internal predecessors, (897), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 05:27:06,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:27:06,315 INFO L93 Difference]: Finished difference Result 3980 states and 5758 transitions. [2024-10-14 05:27:06,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 05:27:06,315 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 179.4) internal successors, (897), 5 states have internal predecessors, (897), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 964 [2024-10-14 05:27:06,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:27:06,318 INFO L225 Difference]: With dead ends: 3980 [2024-10-14 05:27:06,318 INFO L226 Difference]: Without dead ends: 2663 [2024-10-14 05:27:06,319 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 05:27:06,319 INFO L432 NwaCegarLoop]: 1646 mSDtfsCounter, 1317 mSDsluCounter, 1658 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1324 SdHoareTripleChecker+Valid, 3304 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 05:27:06,320 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1324 Valid, 3304 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 05:27:06,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2663 states. [2024-10-14 05:27:06,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2663 to 2663. [2024-10-14 05:27:06,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2663 states, 2634 states have (on average 1.4422930903568716) internal successors, (3799), 2634 states have internal predecessors, (3799), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-14 05:27:06,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2663 states to 2663 states and 3853 transitions. [2024-10-14 05:27:06,346 INFO L78 Accepts]: Start accepts. Automaton has 2663 states and 3853 transitions. Word has length 964 [2024-10-14 05:27:06,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:27:06,347 INFO L471 AbstractCegarLoop]: Abstraction has 2663 states and 3853 transitions. [2024-10-14 05:27:06,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 179.4) internal successors, (897), 5 states have internal predecessors, (897), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 05:27:06,347 INFO L276 IsEmpty]: Start isEmpty. Operand 2663 states and 3853 transitions. [2024-10-14 05:27:06,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 966 [2024-10-14 05:27:06,353 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:27:06,353 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 05:27:06,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-10-14 05:27:06,354 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:27:06,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:27:06,354 INFO L85 PathProgramCache]: Analyzing trace with hash 996313609, now seen corresponding path program 1 times [2024-10-14 05:27:06,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:27:06,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908889486] [2024-10-14 05:27:06,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:27:06,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:27:06,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:07,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-14 05:27:07,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:07,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 05:27:07,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:07,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-10-14 05:27:07,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:07,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 05:27:07,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:07,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 05:27:07,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:07,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2024-10-14 05:27:07,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:07,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2024-10-14 05:27:07,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:07,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 665 [2024-10-14 05:27:07,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:07,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 679 [2024-10-14 05:27:07,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:07,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 697 [2024-10-14 05:27:07,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:07,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 713 [2024-10-14 05:27:07,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:07,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 724 [2024-10-14 05:27:07,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:07,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 736 [2024-10-14 05:27:07,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:07,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 748 [2024-10-14 05:27:07,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 05:27:07,851 INFO L134 CoverageAnalysis]: Checked inductivity of 645 backedges. 281 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-10-14 05:27:07,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 05:27:07,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908889486] [2024-10-14 05:27:07,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908889486] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 05:27:07,851 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 05:27:07,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 05:27:07,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523294197] [2024-10-14 05:27:07,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 05:27:07,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 05:27:07,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 05:27:07,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 05:27:07,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 05:27:07,853 INFO L87 Difference]: Start difference. First operand 2663 states and 3853 transitions. Second operand has 5 states, 5 states have (on average 179.6) internal successors, (898), 5 states have internal predecessors, (898), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 05:27:07,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 05:27:07,945 INFO L93 Difference]: Finished difference Result 3980 states and 5756 transitions. [2024-10-14 05:27:07,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 05:27:07,946 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 179.6) internal successors, (898), 5 states have internal predecessors, (898), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 965 [2024-10-14 05:27:07,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 05:27:07,948 INFO L225 Difference]: With dead ends: 3980 [2024-10-14 05:27:07,948 INFO L226 Difference]: Without dead ends: 2663 [2024-10-14 05:27:07,950 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 05:27:07,950 INFO L432 NwaCegarLoop]: 1646 mSDtfsCounter, 2436 mSDsluCounter, 1648 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2443 SdHoareTripleChecker+Valid, 3294 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 05:27:07,950 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2443 Valid, 3294 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 05:27:07,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2663 states. [2024-10-14 05:27:08,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2663 to 2663. [2024-10-14 05:27:08,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2663 states, 2634 states have (on average 1.4419134396355353) internal successors, (3798), 2634 states have internal predecessors, (3798), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-10-14 05:27:08,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2663 states to 2663 states and 3852 transitions. [2024-10-14 05:27:08,024 INFO L78 Accepts]: Start accepts. Automaton has 2663 states and 3852 transitions. Word has length 965 [2024-10-14 05:27:08,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 05:27:08,025 INFO L471 AbstractCegarLoop]: Abstraction has 2663 states and 3852 transitions. [2024-10-14 05:27:08,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 179.6) internal successors, (898), 5 states have internal predecessors, (898), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-14 05:27:08,025 INFO L276 IsEmpty]: Start isEmpty. Operand 2663 states and 3852 transitions. [2024-10-14 05:27:08,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 967 [2024-10-14 05:27:08,033 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 05:27:08,033 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 05:27:08,033 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-10-14 05:27:08,033 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 05:27:08,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 05:27:08,034 INFO L85 PathProgramCache]: Analyzing trace with hash -816278275, now seen corresponding path program 1 times [2024-10-14 05:27:08,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 05:27:08,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038121247] [2024-10-14 05:27:08,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 05:27:08,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 05:27:08,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat