./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_n4_w32_d16_e0.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w32_d16_e0.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 dd4d1ad4433d2d474dfaee32168d03186915402116631968fe9ca30b9275300d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 05:20:42,351 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 05:20:42,391 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-11 05:20:42,395 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 05:20:42,395 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 05:20:42,411 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 05:20:42,412 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 05:20:42,412 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 05:20:42,412 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 05:20:42,413 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 05:20:42,413 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 05:20:42,413 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 05:20:42,414 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 05:20:42,414 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 05:20:42,415 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 05:20:42,415 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 05:20:42,415 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 05:20:42,416 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 05:20:42,416 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 05:20:42,416 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 05:20:42,417 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 05:20:42,417 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 05:20:42,417 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 05:20:42,418 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 05:20:42,418 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 05:20:42,418 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 05:20:42,419 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 05:20:42,419 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 05:20:42,419 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 05:20:42,419 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 05:20:42,420 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 05:20:42,420 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 05:20:42,420 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 05:20:42,420 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 05:20:42,421 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 05:20:42,421 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 05:20:42,421 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 05:20:42,421 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 05:20:42,422 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 05:20:42,422 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dd4d1ad4433d2d474dfaee32168d03186915402116631968fe9ca30b9275300d [2024-10-11 05:20:42,602 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 05:20:42,618 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 05:20:42,620 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 05:20:42,621 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 05:20:42,621 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 05:20:42,622 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w32_d16_e0.c [2024-10-11 05:20:43,904 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 05:20:44,275 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 05:20:44,276 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n4_w32_d16_e0.c [2024-10-11 05:20:44,303 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/d0a189e1c/91e5edc62f004839885ec634e193e439/FLAG33904162c [2024-10-11 05:20:44,322 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/d0a189e1c/91e5edc62f004839885ec634e193e439 [2024-10-11 05:20:44,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 05:20:44,326 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 05:20:44,329 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 05:20:44,329 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 05:20:44,334 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 05:20:44,335 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:20:44" (1/1) ... [2024-10-11 05:20:44,337 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60be55fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:20:44, skipping insertion in model container [2024-10-11 05:20:44,338 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 05:20:44" (1/1) ... [2024-10-11 05:20:44,398 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 05:20:44,623 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_n4_w32_d16_e0.c[1325,1338] [2024-10-11 05:20:45,016 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 05:20:45,026 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 05:20:45,053 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_n4_w32_d16_e0.c[1325,1338] [2024-10-11 05:20:45,210 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 05:20:45,234 INFO L204 MainTranslator]: Completed translation [2024-10-11 05:20:45,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:20:45 WrapperNode [2024-10-11 05:20:45,238 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 05:20:45,239 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 05:20:45,239 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 05:20:45,239 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 05:20:45,248 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:20:45" (1/1) ... [2024-10-11 05:20:45,426 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:20:45" (1/1) ... [2024-10-11 05:20:46,383 INFO L138 Inliner]: procedures = 18, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 8724 [2024-10-11 05:20:46,384 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 05:20:46,384 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 05:20:46,384 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 05:20:46,384 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 05:20:46,396 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:20:45" (1/1) ... [2024-10-11 05:20:46,397 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:20:45" (1/1) ... [2024-10-11 05:20:46,572 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:20:45" (1/1) ... [2024-10-11 05:20:46,731 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]. [2024-10-11 05:20:46,732 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:20:45" (1/1) ... [2024-10-11 05:20:46,732 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:20:45" (1/1) ... [2024-10-11 05:20:46,936 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:20:45" (1/1) ... [2024-10-11 05:20:46,993 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:20:45" (1/1) ... [2024-10-11 05:20:47,038 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:20:45" (1/1) ... [2024-10-11 05:20:47,075 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:20:45" (1/1) ... [2024-10-11 05:20:47,284 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 05:20:47,285 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 05:20:47,286 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 05:20:47,286 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 05:20:47,286 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:20:45" (1/1) ... [2024-10-11 05:20:47,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 05:20:47,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 05:20:47,312 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 05:20:47,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 05:20:47,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 05:20:47,371 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 05:20:47,371 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 05:20:47,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 05:20:47,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 05:20:47,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 05:20:47,864 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 05:20:47,866 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 05:20:57,399 INFO L? ?]: Removed 4843 outVars from TransFormulas that were not future-live. [2024-10-11 05:20:57,399 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 05:20:57,538 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 05:20:57,538 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 05:20:57,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:20:57 BoogieIcfgContainer [2024-10-11 05:20:57,539 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 05:20:57,541 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 05:20:57,542 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 05:20:57,544 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 05:20:57,545 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 05:20:44" (1/3) ... [2024-10-11 05:20:57,545 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79228d68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 05:20:57, skipping insertion in model container [2024-10-11 05:20:57,545 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 05:20:45" (2/3) ... [2024-10-11 05:20:57,546 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79228d68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 05:20:57, skipping insertion in model container [2024-10-11 05:20:57,546 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 05:20:57" (3/3) ... [2024-10-11 05:20:57,547 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.arbitrated_top_n4_w32_d16_e0.c [2024-10-11 05:20:57,561 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 05:20:57,561 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 05:20:57,657 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 05:20:57,665 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;@2d3daa93, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 05:20:57,665 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 05:20:57,675 INFO L276 IsEmpty]: Start isEmpty. Operand has 2689 states, 2673 states have (on average 1.497568275346053) internal successors, (4003), 2674 states have internal predecessors, (4003), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-11 05:20:57,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 959 [2024-10-11 05:20:57,730 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:20:57,732 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:20:57,733 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:20:57,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:20:57,740 INFO L85 PathProgramCache]: Analyzing trace with hash -2133228390, now seen corresponding path program 1 times [2024-10-11 05:20:57,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:20:57,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060397044] [2024-10-11 05:20:57,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:20:57,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:20:58,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:01,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 05:21:01,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:01,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-11 05:21:01,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:01,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-11 05:21:01,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:01,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 05:21:01,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:01,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 05:21:01,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:01,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-11 05:21:01,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:01,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-11 05:21:01,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:01,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-10-11 05:21:01,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:01,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-10-11 05:21:01,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:01,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-10-11 05:21:01,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:01,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-10-11 05:21:01,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:01,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-11 05:21:01,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:01,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2024-10-11 05:21:01,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:01,712 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 05:21:01,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:21:01,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060397044] [2024-10-11 05:21:01,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060397044] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:21:01,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:21:01,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 05:21:01,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621756434] [2024-10-11 05:21:01,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:21:01,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 05:21:01,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:21:01,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 05:21:01,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 05:21:01,753 INFO L87 Difference]: Start difference. First operand has 2689 states, 2673 states have (on average 1.497568275346053) internal successors, (4003), 2674 states have internal predecessors, (4003), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 4 states, 4 states have (on average 224.0) internal successors, (896), 4 states have internal predecessors, (896), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 05:21:01,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:21:01,926 INFO L93 Difference]: Finished difference Result 5038 states and 7563 transitions. [2024-10-11 05:21:01,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:21:01,929 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 224.0) internal successors, (896), 4 states have internal predecessors, (896), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 958 [2024-10-11 05:21:01,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:21:01,957 INFO L225 Difference]: With dead ends: 5038 [2024-10-11 05:21:01,958 INFO L226 Difference]: Without dead ends: 2690 [2024-10-11 05:21:01,972 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 05:21:01,978 INFO L432 NwaCegarLoop]: 4023 mSDtfsCounter, 0 mSDsluCounter, 8041 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12064 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 [2024-10-11 05:21:01,979 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12064 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 05:21:01,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2690 states. [2024-10-11 05:21:02,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2690 to 2690. [2024-10-11 05:21:02,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2690 states, 2675 states have (on average 1.4960747663551401) internal successors, (4002), 2675 states have internal predecessors, (4002), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-11 05:21:02,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2690 states to 2690 states and 4028 transitions. [2024-10-11 05:21:02,098 INFO L78 Accepts]: Start accepts. Automaton has 2690 states and 4028 transitions. Word has length 958 [2024-10-11 05:21:02,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:21:02,101 INFO L471 AbstractCegarLoop]: Abstraction has 2690 states and 4028 transitions. [2024-10-11 05:21:02,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 224.0) internal successors, (896), 4 states have internal predecessors, (896), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 05:21:02,103 INFO L276 IsEmpty]: Start isEmpty. Operand 2690 states and 4028 transitions. [2024-10-11 05:21:02,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 960 [2024-10-11 05:21:02,126 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:21:02,127 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:21:02,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 05:21:02,128 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:21:02,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:21:02,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1703869777, now seen corresponding path program 1 times [2024-10-11 05:21:02,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:21:02,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965428153] [2024-10-11 05:21:02,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:21:02,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:21:03,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:05,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 05:21:05,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:05,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-11 05:21:05,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:05,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-11 05:21:05,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:05,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 05:21:05,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:05,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 05:21:05,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:05,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2024-10-11 05:21:05,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:05,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-10-11 05:21:05,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:05,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2024-10-11 05:21:05,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:05,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2024-10-11 05:21:05,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:05,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-10-11 05:21:05,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:05,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2024-10-11 05:21:05,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:05,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2024-10-11 05:21:05,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:05,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2024-10-11 05:21:05,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:05,578 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 05:21:05,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:21:05,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965428153] [2024-10-11 05:21:05,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965428153] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:21:05,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:21:05,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:21:05,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832434931] [2024-10-11 05:21:05,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:21:05,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:21:05,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:21:05,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:21:05,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:21:05,586 INFO L87 Difference]: Start difference. First operand 2690 states and 4028 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, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-11 05:21:06,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:21:06,914 INFO L93 Difference]: Finished difference Result 7104 states and 10641 transitions. [2024-10-11 05:21:06,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 05:21:06,916 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, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 959 [2024-10-11 05:21:06,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:21:06,925 INFO L225 Difference]: With dead ends: 7104 [2024-10-11 05:21:06,925 INFO L226 Difference]: Without dead ends: 2690 [2024-10-11 05:21:06,929 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-10-11 05:21:06,931 INFO L432 NwaCegarLoop]: 3974 mSDtfsCounter, 8863 mSDsluCounter, 7296 mSDsCounter, 0 mSdLazyCounter, 1079 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8871 SdHoareTripleChecker+Valid, 11270 SdHoareTripleChecker+Invalid, 1228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 1079 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-11 05:21:06,931 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8871 Valid, 11270 Invalid, 1228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 1079 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-11 05:21:06,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2690 states. [2024-10-11 05:21:06,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2690 to 2690. [2024-10-11 05:21:06,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2690 states, 2675 states have (on average 1.4957009345794392) internal successors, (4001), 2675 states have internal predecessors, (4001), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-11 05:21:06,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2690 states to 2690 states and 4027 transitions. [2024-10-11 05:21:06,995 INFO L78 Accepts]: Start accepts. Automaton has 2690 states and 4027 transitions. Word has length 959 [2024-10-11 05:21:06,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:21:06,996 INFO L471 AbstractCegarLoop]: Abstraction has 2690 states and 4027 transitions. [2024-10-11 05:21:06,997 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, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-11 05:21:06,997 INFO L276 IsEmpty]: Start isEmpty. Operand 2690 states and 4027 transitions. [2024-10-11 05:21:07,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 961 [2024-10-11 05:21:07,020 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:21:07,021 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:21:07,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 05:21:07,021 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:21:07,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:21:07,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1761976664, now seen corresponding path program 1 times [2024-10-11 05:21:07,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:21:07,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824559996] [2024-10-11 05:21:07,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:21:07,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:21:07,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:09,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 05:21:09,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:09,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-11 05:21:09,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:09,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-11 05:21:09,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:09,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 05:21:09,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:09,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 05:21:09,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:09,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-11 05:21:09,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:09,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-11 05:21:09,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:09,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-10-11 05:21:09,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:09,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 05:21:09,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:09,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-11 05:21:09,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:09,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-11 05:21:09,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:09,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-10-11 05:21:09,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:09,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-10-11 05:21:09,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:09,244 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 05:21:09,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:21:09,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824559996] [2024-10-11 05:21:09,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824559996] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:21:09,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:21:09,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:21:09,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644481426] [2024-10-11 05:21:09,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:21:09,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:21:09,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:21:09,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:21:09,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:21:09,250 INFO L87 Difference]: Start difference. First operand 2690 states and 4027 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, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-11 05:21:10,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:21:10,380 INFO L93 Difference]: Finished difference Result 5039 states and 7543 transitions. [2024-10-11 05:21:10,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:21:10,386 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, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 960 [2024-10-11 05:21:10,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:21:10,394 INFO L225 Difference]: With dead ends: 5039 [2024-10-11 05:21:10,394 INFO L226 Difference]: Without dead ends: 2690 [2024-10-11 05:21:10,398 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:21:10,399 INFO L432 NwaCegarLoop]: 3295 mSDtfsCounter, 7594 mSDsluCounter, 3297 mSDsCounter, 0 mSdLazyCounter, 1469 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7599 SdHoareTripleChecker+Valid, 6592 SdHoareTripleChecker+Invalid, 1470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-11 05:21:10,399 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7599 Valid, 6592 Invalid, 1470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1469 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-11 05:21:10,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2690 states. [2024-10-11 05:21:10,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2690 to 2690. [2024-10-11 05:21:10,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2690 states, 2675 states have (on average 1.4953271028037383) internal successors, (4000), 2675 states have internal predecessors, (4000), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-11 05:21:10,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2690 states to 2690 states and 4026 transitions. [2024-10-11 05:21:10,446 INFO L78 Accepts]: Start accepts. Automaton has 2690 states and 4026 transitions. Word has length 960 [2024-10-11 05:21:10,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:21:10,447 INFO L471 AbstractCegarLoop]: Abstraction has 2690 states and 4026 transitions. [2024-10-11 05:21:10,447 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, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-11 05:21:10,447 INFO L276 IsEmpty]: Start isEmpty. Operand 2690 states and 4026 transitions. [2024-10-11 05:21:10,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 962 [2024-10-11 05:21:10,456 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:21:10,456 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:21:10,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 05:21:10,457 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:21:10,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:21:10,457 INFO L85 PathProgramCache]: Analyzing trace with hash -92262742, now seen corresponding path program 1 times [2024-10-11 05:21:10,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:21:10,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139736429] [2024-10-11 05:21:10,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:21:10,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:21:10,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:11,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 05:21:11,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:11,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-11 05:21:11,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:11,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-11 05:21:11,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:11,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 05:21:11,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:11,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 05:21:11,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:11,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-11 05:21:11,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:11,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-11 05:21:11,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:11,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-10-11 05:21:11,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:11,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 05:21:11,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:11,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-11 05:21:11,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:11,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-11 05:21:11,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:11,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-10-11 05:21:11,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:11,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-10-11 05:21:11,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:11,963 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 05:21:11,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:21:11,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139736429] [2024-10-11 05:21:11,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139736429] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:21:11,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:21:11,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:21:11,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562439620] [2024-10-11 05:21:11,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:21:11,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:21:11,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:21:11,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:21:11,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:21:11,972 INFO L87 Difference]: Start difference. First operand 2690 states and 4026 transitions. Second operand has 5 states, 5 states have (on average 179.8) internal successors, (899), 5 states have internal predecessors, (899), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-11 05:21:13,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:21:13,095 INFO L93 Difference]: Finished difference Result 5039 states and 7541 transitions. [2024-10-11 05:21:13,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:21:13,095 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 179.8) internal successors, (899), 5 states have internal predecessors, (899), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 961 [2024-10-11 05:21:13,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:21:13,112 INFO L225 Difference]: With dead ends: 5039 [2024-10-11 05:21:13,112 INFO L226 Difference]: Without dead ends: 2690 [2024-10-11 05:21:13,123 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:21:13,124 INFO L432 NwaCegarLoop]: 3295 mSDtfsCounter, 7306 mSDsluCounter, 3297 mSDsCounter, 0 mSdLazyCounter, 1467 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7311 SdHoareTripleChecker+Valid, 6592 SdHoareTripleChecker+Invalid, 1468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-11 05:21:13,124 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7311 Valid, 6592 Invalid, 1468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1467 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-11 05:21:13,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2690 states. [2024-10-11 05:21:13,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2690 to 2690. [2024-10-11 05:21:13,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2690 states, 2675 states have (on average 1.4949532710280373) internal successors, (3999), 2675 states have internal predecessors, (3999), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-11 05:21:13,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2690 states to 2690 states and 4025 transitions. [2024-10-11 05:21:13,200 INFO L78 Accepts]: Start accepts. Automaton has 2690 states and 4025 transitions. Word has length 961 [2024-10-11 05:21:13,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:21:13,200 INFO L471 AbstractCegarLoop]: Abstraction has 2690 states and 4025 transitions. [2024-10-11 05:21:13,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 179.8) internal successors, (899), 5 states have internal predecessors, (899), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-11 05:21:13,201 INFO L276 IsEmpty]: Start isEmpty. Operand 2690 states and 4025 transitions. [2024-10-11 05:21:13,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 963 [2024-10-11 05:21:13,209 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:21:13,209 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:21:13,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 05:21:13,210 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:21:13,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:21:13,211 INFO L85 PathProgramCache]: Analyzing trace with hash 994172969, now seen corresponding path program 1 times [2024-10-11 05:21:13,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:21:13,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787041490] [2024-10-11 05:21:13,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:21:13,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:21:13,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:14,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 05:21:14,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:14,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-11 05:21:14,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:14,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-11 05:21:14,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:14,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 05:21:14,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:14,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 05:21:14,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:14,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-11 05:21:14,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:14,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-11 05:21:14,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:14,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-10-11 05:21:14,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:14,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 05:21:14,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:14,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-11 05:21:14,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:14,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-11 05:21:14,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:14,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-10-11 05:21:14,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:14,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-10-11 05:21:14,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:14,678 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 05:21:14,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:21:14,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787041490] [2024-10-11 05:21:14,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787041490] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:21:14,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:21:14,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:21:14,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361828239] [2024-10-11 05:21:14,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:21:14,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:21:14,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:21:14,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:21:14,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:21:14,684 INFO L87 Difference]: Start difference. First operand 2690 states and 4025 transitions. Second operand has 5 states, 5 states have (on average 180.0) internal successors, (900), 5 states have internal predecessors, (900), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-11 05:21:15,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:21:15,695 INFO L93 Difference]: Finished difference Result 5039 states and 7539 transitions. [2024-10-11 05:21:15,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:21:15,696 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 180.0) internal successors, (900), 5 states have internal predecessors, (900), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 962 [2024-10-11 05:21:15,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:21:15,704 INFO L225 Difference]: With dead ends: 5039 [2024-10-11 05:21:15,704 INFO L226 Difference]: Without dead ends: 2690 [2024-10-11 05:21:15,708 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:21:15,708 INFO L432 NwaCegarLoop]: 3295 mSDtfsCounter, 7018 mSDsluCounter, 3297 mSDsCounter, 0 mSdLazyCounter, 1465 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7023 SdHoareTripleChecker+Valid, 6592 SdHoareTripleChecker+Invalid, 1466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-11 05:21:15,709 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7023 Valid, 6592 Invalid, 1466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1465 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-11 05:21:15,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2690 states. [2024-10-11 05:21:15,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2690 to 2690. [2024-10-11 05:21:15,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2690 states, 2675 states have (on average 1.4945794392523364) internal successors, (3998), 2675 states have internal predecessors, (3998), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-11 05:21:15,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2690 states to 2690 states and 4024 transitions. [2024-10-11 05:21:15,748 INFO L78 Accepts]: Start accepts. Automaton has 2690 states and 4024 transitions. Word has length 962 [2024-10-11 05:21:15,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:21:15,749 INFO L471 AbstractCegarLoop]: Abstraction has 2690 states and 4024 transitions. [2024-10-11 05:21:15,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 180.0) internal successors, (900), 5 states have internal predecessors, (900), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-11 05:21:15,750 INFO L276 IsEmpty]: Start isEmpty. Operand 2690 states and 4024 transitions. [2024-10-11 05:21:15,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 964 [2024-10-11 05:21:15,756 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:21:15,757 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:21:15,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 05:21:15,757 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:21:15,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:21:15,758 INFO L85 PathProgramCache]: Analyzing trace with hash -97458981, now seen corresponding path program 1 times [2024-10-11 05:21:15,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:21:15,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928103464] [2024-10-11 05:21:15,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:21:15,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:21:16,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:17,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 05:21:17,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:17,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-11 05:21:17,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:17,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-11 05:21:17,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:17,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 05:21:17,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:17,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 05:21:17,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:17,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-11 05:21:17,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:17,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-11 05:21:17,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:17,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-10-11 05:21:17,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:17,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 05:21:17,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:17,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-11 05:21:17,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:17,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-11 05:21:17,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:17,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-10-11 05:21:17,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:17,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-10-11 05:21:17,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:17,149 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 05:21:17,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:21:17,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928103464] [2024-10-11 05:21:17,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928103464] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:21:17,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:21:17,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:21:17,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630516026] [2024-10-11 05:21:17,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:21:17,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:21:17,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:21:17,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:21:17,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:21:17,159 INFO L87 Difference]: Start difference. First operand 2690 states and 4024 transitions. Second operand has 5 states, 5 states have (on average 180.2) internal successors, (901), 5 states have internal predecessors, (901), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-11 05:21:18,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:21:18,150 INFO L93 Difference]: Finished difference Result 5039 states and 7537 transitions. [2024-10-11 05:21:18,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:21:18,151 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 180.2) internal successors, (901), 5 states have internal predecessors, (901), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 963 [2024-10-11 05:21:18,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:21:18,163 INFO L225 Difference]: With dead ends: 5039 [2024-10-11 05:21:18,163 INFO L226 Difference]: Without dead ends: 2690 [2024-10-11 05:21:18,167 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:21:18,169 INFO L432 NwaCegarLoop]: 3295 mSDtfsCounter, 6730 mSDsluCounter, 3297 mSDsCounter, 0 mSdLazyCounter, 1463 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6735 SdHoareTripleChecker+Valid, 6592 SdHoareTripleChecker+Invalid, 1464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-11 05:21:18,170 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6735 Valid, 6592 Invalid, 1464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1463 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-11 05:21:18,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2690 states. [2024-10-11 05:21:18,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2690 to 2690. [2024-10-11 05:21:18,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2690 states, 2675 states have (on average 1.4942056074766354) internal successors, (3997), 2675 states have internal predecessors, (3997), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-11 05:21:18,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2690 states to 2690 states and 4023 transitions. [2024-10-11 05:21:18,207 INFO L78 Accepts]: Start accepts. Automaton has 2690 states and 4023 transitions. Word has length 963 [2024-10-11 05:21:18,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:21:18,209 INFO L471 AbstractCegarLoop]: Abstraction has 2690 states and 4023 transitions. [2024-10-11 05:21:18,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 180.2) internal successors, (901), 5 states have internal predecessors, (901), 2 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-10-11 05:21:18,210 INFO L276 IsEmpty]: Start isEmpty. Operand 2690 states and 4023 transitions. [2024-10-11 05:21:18,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 965 [2024-10-11 05:21:18,216 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:21:18,217 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:21:18,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 05:21:18,217 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:21:18,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:21:18,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1248919942, now seen corresponding path program 1 times [2024-10-11 05:21:18,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:21:18,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951834644] [2024-10-11 05:21:18,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:21:18,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:21:18,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:19,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 05:21:19,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:19,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-11 05:21:19,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:19,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-11 05:21:19,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:19,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 05:21:19,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:19,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 05:21:19,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:19,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-11 05:21:19,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:19,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-11 05:21:19,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:19,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-10-11 05:21:19,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:19,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 05:21:19,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:19,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-11 05:21:19,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:19,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-11 05:21:19,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:19,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-10-11 05:21:19,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:19,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-10-11 05:21:19,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:19,586 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 05:21:19,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:21:19,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951834644] [2024-10-11 05:21:19,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951834644] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:21:19,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:21:19,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 05:21:19,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735961356] [2024-10-11 05:21:19,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:21:19,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 05:21:19,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:21:19,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 05:21:19,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 05:21:19,589 INFO L87 Difference]: Start difference. First operand 2690 states and 4023 transitions. Second operand has 4 states, 4 states have (on average 225.5) internal successors, (902), 4 states have internal predecessors, (902), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 05:21:19,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:21:19,657 INFO L93 Difference]: Finished difference Result 5041 states and 7538 transitions. [2024-10-11 05:21:19,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:21:19,658 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 225.5) internal successors, (902), 4 states have internal predecessors, (902), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 964 [2024-10-11 05:21:19,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:21:19,667 INFO L225 Difference]: With dead ends: 5041 [2024-10-11 05:21:19,667 INFO L226 Difference]: Without dead ends: 2692 [2024-10-11 05:21:19,670 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 05:21:19,672 INFO L432 NwaCegarLoop]: 4018 mSDtfsCounter, 0 mSDsluCounter, 8028 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12046 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 [2024-10-11 05:21:19,673 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12046 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 05:21:19,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2692 states. [2024-10-11 05:21:19,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2692 to 2692. [2024-10-11 05:21:19,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2692 states, 2677 states have (on average 1.4938363840119537) internal successors, (3999), 2677 states have internal predecessors, (3999), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-11 05:21:19,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2692 states to 2692 states and 4025 transitions. [2024-10-11 05:21:19,790 INFO L78 Accepts]: Start accepts. Automaton has 2692 states and 4025 transitions. Word has length 964 [2024-10-11 05:21:19,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:21:19,791 INFO L471 AbstractCegarLoop]: Abstraction has 2692 states and 4025 transitions. [2024-10-11 05:21:19,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 225.5) internal successors, (902), 4 states have internal predecessors, (902), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 05:21:19,792 INFO L276 IsEmpty]: Start isEmpty. Operand 2692 states and 4025 transitions. [2024-10-11 05:21:19,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 966 [2024-10-11 05:21:19,801 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:21:19,801 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:21:19,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 05:21:19,802 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:21:19,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:21:19,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1159772760, now seen corresponding path program 1 times [2024-10-11 05:21:19,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:21:19,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627095206] [2024-10-11 05:21:19,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:21:19,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:21:20,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:21,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 05:21:21,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:21,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-11 05:21:21,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:21,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-11 05:21:21,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:21,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 05:21:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:21,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 05:21:21,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:21,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-11 05:21:21,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:21,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-11 05:21:21,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:21,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-10-11 05:21:21,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:21,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 05:21:21,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:21,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-11 05:21:21,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:21,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-11 05:21:21,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:21,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-10-11 05:21:21,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:21,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-10-11 05:21:21,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:21,951 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 05:21:21,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:21:21,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627095206] [2024-10-11 05:21:21,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627095206] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:21:21,951 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:21:21,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 05:21:21,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677543685] [2024-10-11 05:21:21,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:21:21,952 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 05:21:21,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:21:21,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 05:21:21,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 05:21:21,954 INFO L87 Difference]: Start difference. First operand 2692 states and 4025 transitions. Second operand has 4 states, 4 states have (on average 225.75) internal successors, (903), 4 states have internal predecessors, (903), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 05:21:22,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:21:22,268 INFO L93 Difference]: Finished difference Result 5043 states and 7539 transitions. [2024-10-11 05:21:22,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:21:22,269 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 225.75) internal successors, (903), 4 states have internal predecessors, (903), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 965 [2024-10-11 05:21:22,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:21:22,276 INFO L225 Difference]: With dead ends: 5043 [2024-10-11 05:21:22,276 INFO L226 Difference]: Without dead ends: 2692 [2024-10-11 05:21:22,279 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:21:22,279 INFO L432 NwaCegarLoop]: 3832 mSDtfsCounter, 3242 mSDsluCounter, 3834 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3242 SdHoareTripleChecker+Valid, 7666 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 05:21:22,279 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3242 Valid, 7666 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 05:21:22,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2692 states. [2024-10-11 05:21:22,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2692 to 2692. [2024-10-11 05:21:22,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2692 states, 2677 states have (on average 1.4934628315278298) internal successors, (3998), 2677 states have internal predecessors, (3998), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-11 05:21:22,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2692 states to 2692 states and 4024 transitions. [2024-10-11 05:21:22,310 INFO L78 Accepts]: Start accepts. Automaton has 2692 states and 4024 transitions. Word has length 965 [2024-10-11 05:21:22,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:21:22,311 INFO L471 AbstractCegarLoop]: Abstraction has 2692 states and 4024 transitions. [2024-10-11 05:21:22,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 225.75) internal successors, (903), 4 states have internal predecessors, (903), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 05:21:22,311 INFO L276 IsEmpty]: Start isEmpty. Operand 2692 states and 4024 transitions. [2024-10-11 05:21:22,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 967 [2024-10-11 05:21:22,317 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:21:22,318 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:21:22,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 05:21:22,318 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:21:22,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:21:22,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1312252644, now seen corresponding path program 1 times [2024-10-11 05:21:22,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:21:22,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716335553] [2024-10-11 05:21:22,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:21:22,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:21:22,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:23,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 05:21:23,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:23,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-11 05:21:23,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:23,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-11 05:21:23,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:23,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 05:21:23,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:23,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 05:21:23,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:23,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-11 05:21:23,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:23,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-11 05:21:23,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:23,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-10-11 05:21:23,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:23,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 05:21:23,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:23,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-11 05:21:23,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:23,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-11 05:21:23,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:23,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-10-11 05:21:23,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:23,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-10-11 05:21:23,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:23,543 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 05:21:23,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:21:23,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716335553] [2024-10-11 05:21:23,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716335553] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:21:23,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:21:23,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:21:23,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151269896] [2024-10-11 05:21:23,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:21:23,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:21:23,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:21:23,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:21:23,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:21:23,547 INFO L87 Difference]: Start difference. First operand 2692 states and 4024 transitions. Second operand has 5 states, 5 states have (on average 180.8) internal successors, (904), 5 states have internal predecessors, (904), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 05:21:23,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:21:23,855 INFO L93 Difference]: Finished difference Result 5869 states and 8772 transitions. [2024-10-11 05:21:23,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 05:21:23,855 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 180.8) internal successors, (904), 5 states have internal predecessors, (904), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 966 [2024-10-11 05:21:23,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:21:23,863 INFO L225 Difference]: With dead ends: 5869 [2024-10-11 05:21:23,863 INFO L226 Difference]: Without dead ends: 2692 [2024-10-11 05:21:23,866 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-11 05:21:23,867 INFO L432 NwaCegarLoop]: 3990 mSDtfsCounter, 5679 mSDsluCounter, 7837 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5679 SdHoareTripleChecker+Valid, 11827 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 05:21:23,867 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5679 Valid, 11827 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 05:21:23,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2692 states. [2024-10-11 05:21:23,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2692 to 2692. [2024-10-11 05:21:23,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2692 states, 2677 states have (on average 1.4930892790437056) internal successors, (3997), 2677 states have internal predecessors, (3997), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-11 05:21:23,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2692 states to 2692 states and 4023 transitions. [2024-10-11 05:21:23,906 INFO L78 Accepts]: Start accepts. Automaton has 2692 states and 4023 transitions. Word has length 966 [2024-10-11 05:21:23,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:21:23,907 INFO L471 AbstractCegarLoop]: Abstraction has 2692 states and 4023 transitions. [2024-10-11 05:21:23,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 180.8) internal successors, (904), 5 states have internal predecessors, (904), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 05:21:23,907 INFO L276 IsEmpty]: Start isEmpty. Operand 2692 states and 4023 transitions. [2024-10-11 05:21:23,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 968 [2024-10-11 05:21:23,914 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:21:23,915 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:21:23,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 05:21:23,915 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:21:23,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:21:23,915 INFO L85 PathProgramCache]: Analyzing trace with hash -874334943, now seen corresponding path program 1 times [2024-10-11 05:21:23,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:21:23,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227838820] [2024-10-11 05:21:23,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:21:23,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:21:24,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:25,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 05:21:25,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:25,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-11 05:21:25,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:25,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-11 05:21:25,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:25,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 05:21:25,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:25,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 05:21:25,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:25,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-11 05:21:25,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:25,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-11 05:21:25,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:25,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-10-11 05:21:25,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:25,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 05:21:25,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:25,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-11 05:21:25,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:25,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-11 05:21:25,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:25,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-10-11 05:21:25,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:25,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-10-11 05:21:25,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:25,172 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 05:21:25,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:21:25,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227838820] [2024-10-11 05:21:25,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227838820] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:21:25,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:21:25,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:21:25,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342592523] [2024-10-11 05:21:25,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:21:25,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:21:25,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:21:25,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:21:25,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:21:25,176 INFO L87 Difference]: Start difference. First operand 2692 states and 4023 transitions. Second operand has 5 states, 5 states have (on average 181.0) internal successors, (905), 5 states have internal predecessors, (905), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 05:21:25,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:21:25,525 INFO L93 Difference]: Finished difference Result 5043 states and 7535 transitions. [2024-10-11 05:21:25,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:21:25,526 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 181.0) internal successors, (905), 5 states have internal predecessors, (905), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 967 [2024-10-11 05:21:25,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:21:25,534 INFO L225 Difference]: With dead ends: 5043 [2024-10-11 05:21:25,538 INFO L226 Difference]: Without dead ends: 2692 [2024-10-11 05:21:25,542 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:21:25,542 INFO L432 NwaCegarLoop]: 3832 mSDtfsCounter, 7656 mSDsluCounter, 3834 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7669 SdHoareTripleChecker+Valid, 7666 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 05:21:25,543 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7669 Valid, 7666 Invalid, 384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 05:21:25,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2692 states. [2024-10-11 05:21:25,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2692 to 2692. [2024-10-11 05:21:25,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2692 states, 2677 states have (on average 1.4927157265595816) internal successors, (3996), 2677 states have internal predecessors, (3996), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-11 05:21:25,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2692 states to 2692 states and 4022 transitions. [2024-10-11 05:21:25,580 INFO L78 Accepts]: Start accepts. Automaton has 2692 states and 4022 transitions. Word has length 967 [2024-10-11 05:21:25,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:21:25,581 INFO L471 AbstractCegarLoop]: Abstraction has 2692 states and 4022 transitions. [2024-10-11 05:21:25,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 181.0) internal successors, (905), 5 states have internal predecessors, (905), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 05:21:25,581 INFO L276 IsEmpty]: Start isEmpty. Operand 2692 states and 4022 transitions. [2024-10-11 05:21:25,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 969 [2024-10-11 05:21:25,587 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:21:25,588 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:21:25,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 05:21:25,588 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:21:25,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:21:25,589 INFO L85 PathProgramCache]: Analyzing trace with hash -578313603, now seen corresponding path program 1 times [2024-10-11 05:21:25,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:21:25,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112005759] [2024-10-11 05:21:25,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:21:25,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:21:25,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:26,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 05:21:26,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:26,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-11 05:21:26,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:26,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-11 05:21:26,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:26,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 05:21:26,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:26,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 05:21:26,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:26,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-11 05:21:26,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:26,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-11 05:21:26,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:26,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-10-11 05:21:26,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:26,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 05:21:26,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:26,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-11 05:21:26,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:26,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-11 05:21:26,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:26,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-10-11 05:21:26,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:26,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-10-11 05:21:26,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:26,694 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 05:21:26,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:21:26,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112005759] [2024-10-11 05:21:26,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112005759] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:21:26,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:21:26,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:21:26,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893392969] [2024-10-11 05:21:26,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:21:26,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:21:26,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:21:26,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:21:26,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:21:26,700 INFO L87 Difference]: Start difference. First operand 2692 states and 4022 transitions. Second operand has 5 states, 5 states have (on average 181.2) internal successors, (906), 5 states have internal predecessors, (906), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 05:21:27,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:21:27,028 INFO L93 Difference]: Finished difference Result 5043 states and 7533 transitions. [2024-10-11 05:21:27,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:21:27,029 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 181.2) internal successors, (906), 5 states have internal predecessors, (906), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 968 [2024-10-11 05:21:27,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:21:27,041 INFO L225 Difference]: With dead ends: 5043 [2024-10-11 05:21:27,042 INFO L226 Difference]: Without dead ends: 2692 [2024-10-11 05:21:27,046 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:21:27,047 INFO L432 NwaCegarLoop]: 3832 mSDtfsCounter, 7648 mSDsluCounter, 3834 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7661 SdHoareTripleChecker+Valid, 7666 SdHoareTripleChecker+Invalid, 382 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 05:21:27,047 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7661 Valid, 7666 Invalid, 382 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 05:21:27,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2692 states. [2024-10-11 05:21:27,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2692 to 2692. [2024-10-11 05:21:27,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2692 states, 2677 states have (on average 1.4923421740754577) internal successors, (3995), 2677 states have internal predecessors, (3995), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-11 05:21:27,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2692 states to 2692 states and 4021 transitions. [2024-10-11 05:21:27,084 INFO L78 Accepts]: Start accepts. Automaton has 2692 states and 4021 transitions. Word has length 968 [2024-10-11 05:21:27,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:21:27,085 INFO L471 AbstractCegarLoop]: Abstraction has 2692 states and 4021 transitions. [2024-10-11 05:21:27,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 181.2) internal successors, (906), 5 states have internal predecessors, (906), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 05:21:27,085 INFO L276 IsEmpty]: Start isEmpty. Operand 2692 states and 4021 transitions. [2024-10-11 05:21:27,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 970 [2024-10-11 05:21:27,092 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:21:27,092 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:21:27,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-11 05:21:27,093 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:21:27,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:21:27,093 INFO L85 PathProgramCache]: Analyzing trace with hash -179961126, now seen corresponding path program 1 times [2024-10-11 05:21:27,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:21:27,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69640797] [2024-10-11 05:21:27,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:21:27,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:21:27,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:28,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 05:21:28,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:28,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-11 05:21:28,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:28,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-11 05:21:28,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:28,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 05:21:28,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:28,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 05:21:28,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:28,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-11 05:21:28,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:28,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-11 05:21:28,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:28,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-10-11 05:21:28,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:28,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 05:21:28,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:28,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-11 05:21:28,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:28,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-11 05:21:28,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:28,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-10-11 05:21:28,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:28,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-10-11 05:21:28,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:28,220 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 05:21:28,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:21:28,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69640797] [2024-10-11 05:21:28,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69640797] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:21:28,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:21:28,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:21:28,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59433005] [2024-10-11 05:21:28,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:21:28,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:21:28,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:21:28,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:21:28,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:21:28,223 INFO L87 Difference]: Start difference. First operand 2692 states and 4021 transitions. Second operand has 5 states, 5 states have (on average 181.4) internal successors, (907), 5 states have internal predecessors, (907), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 05:21:28,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:21:28,542 INFO L93 Difference]: Finished difference Result 5043 states and 7531 transitions. [2024-10-11 05:21:28,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:21:28,543 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 181.4) internal successors, (907), 5 states have internal predecessors, (907), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 969 [2024-10-11 05:21:28,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:21:28,547 INFO L225 Difference]: With dead ends: 5043 [2024-10-11 05:21:28,547 INFO L226 Difference]: Without dead ends: 2692 [2024-10-11 05:21:28,550 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:21:28,550 INFO L432 NwaCegarLoop]: 3832 mSDtfsCounter, 7640 mSDsluCounter, 3834 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7653 SdHoareTripleChecker+Valid, 7666 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 05:21:28,550 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7653 Valid, 7666 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 05:21:28,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2692 states. [2024-10-11 05:21:28,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2692 to 2692. [2024-10-11 05:21:28,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2692 states, 2677 states have (on average 1.4919686215913335) internal successors, (3994), 2677 states have internal predecessors, (3994), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-11 05:21:28,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2692 states to 2692 states and 4020 transitions. [2024-10-11 05:21:28,582 INFO L78 Accepts]: Start accepts. Automaton has 2692 states and 4020 transitions. Word has length 969 [2024-10-11 05:21:28,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:21:28,582 INFO L471 AbstractCegarLoop]: Abstraction has 2692 states and 4020 transitions. [2024-10-11 05:21:28,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 181.4) internal successors, (907), 5 states have internal predecessors, (907), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 05:21:28,583 INFO L276 IsEmpty]: Start isEmpty. Operand 2692 states and 4020 transitions. [2024-10-11 05:21:28,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 971 [2024-10-11 05:21:28,589 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:21:28,589 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:21:28,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-11 05:21:28,590 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:21:28,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:21:28,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1587639658, now seen corresponding path program 1 times [2024-10-11 05:21:28,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:21:28,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311750752] [2024-10-11 05:21:28,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:21:28,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:21:28,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:29,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 05:21:29,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:29,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-11 05:21:29,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:29,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-11 05:21:29,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:29,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 05:21:29,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:29,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 05:21:29,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:29,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-11 05:21:29,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:29,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-11 05:21:29,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:29,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-10-11 05:21:29,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:29,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 05:21:29,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:29,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-11 05:21:29,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:29,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-11 05:21:29,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:29,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-10-11 05:21:29,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:29,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-10-11 05:21:29,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:29,794 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 05:21:29,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:21:29,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311750752] [2024-10-11 05:21:29,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311750752] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:21:29,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:21:29,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:21:29,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257566639] [2024-10-11 05:21:29,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:21:29,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:21:29,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:21:29,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:21:29,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:21:29,797 INFO L87 Difference]: Start difference. First operand 2692 states and 4020 transitions. Second operand has 5 states, 5 states have (on average 181.6) internal successors, (908), 5 states have internal predecessors, (908), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 05:21:30,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:21:30,107 INFO L93 Difference]: Finished difference Result 5043 states and 7529 transitions. [2024-10-11 05:21:30,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:21:30,108 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 181.6) internal successors, (908), 5 states have internal predecessors, (908), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 970 [2024-10-11 05:21:30,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:21:30,113 INFO L225 Difference]: With dead ends: 5043 [2024-10-11 05:21:30,113 INFO L226 Difference]: Without dead ends: 2692 [2024-10-11 05:21:30,115 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:21:30,116 INFO L432 NwaCegarLoop]: 3832 mSDtfsCounter, 3841 mSDsluCounter, 3850 mSDsCounter, 0 mSdLazyCounter, 377 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3854 SdHoareTripleChecker+Valid, 7682 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 05:21:30,116 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3854 Valid, 7682 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 377 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 05:21:30,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2692 states. [2024-10-11 05:21:30,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2692 to 2692. [2024-10-11 05:21:30,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2692 states, 2677 states have (on average 1.4915950691072095) internal successors, (3993), 2677 states have internal predecessors, (3993), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-11 05:21:30,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2692 states to 2692 states and 4019 transitions. [2024-10-11 05:21:30,145 INFO L78 Accepts]: Start accepts. Automaton has 2692 states and 4019 transitions. Word has length 970 [2024-10-11 05:21:30,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:21:30,146 INFO L471 AbstractCegarLoop]: Abstraction has 2692 states and 4019 transitions. [2024-10-11 05:21:30,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 181.6) internal successors, (908), 5 states have internal predecessors, (908), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 05:21:30,146 INFO L276 IsEmpty]: Start isEmpty. Operand 2692 states and 4019 transitions. [2024-10-11 05:21:30,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 972 [2024-10-11 05:21:30,153 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:21:30,153 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:21:30,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-11 05:21:30,153 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:21:30,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:21:30,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1401015224, now seen corresponding path program 1 times [2024-10-11 05:21:30,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:21:30,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268772969] [2024-10-11 05:21:30,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:21:30,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:21:30,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:31,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 05:21:31,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:31,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-11 05:21:31,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:31,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-11 05:21:31,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:31,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 05:21:31,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:31,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 05:21:31,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:31,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-11 05:21:31,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:31,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-11 05:21:31,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:31,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-10-11 05:21:31,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:31,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 05:21:31,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:31,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-11 05:21:31,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:31,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-11 05:21:31,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:31,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-10-11 05:21:31,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:31,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-10-11 05:21:31,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:31,310 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 05:21:31,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:21:31,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268772969] [2024-10-11 05:21:31,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268772969] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:21:31,311 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:21:31,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:21:31,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779196560] [2024-10-11 05:21:31,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:21:31,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:21:31,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:21:31,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:21:31,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:21:31,313 INFO L87 Difference]: Start difference. First operand 2692 states and 4019 transitions. Second operand has 5 states, 5 states have (on average 181.8) internal successors, (909), 5 states have internal predecessors, (909), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 05:21:31,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:21:31,625 INFO L93 Difference]: Finished difference Result 5043 states and 7527 transitions. [2024-10-11 05:21:31,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:21:31,625 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 181.8) internal successors, (909), 5 states have internal predecessors, (909), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 971 [2024-10-11 05:21:31,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:21:31,629 INFO L225 Difference]: With dead ends: 5043 [2024-10-11 05:21:31,629 INFO L226 Difference]: Without dead ends: 2692 [2024-10-11 05:21:31,631 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:21:31,632 INFO L432 NwaCegarLoop]: 3832 mSDtfsCounter, 3837 mSDsluCounter, 3850 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3850 SdHoareTripleChecker+Valid, 7682 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 05:21:31,632 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3850 Valid, 7682 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 05:21:31,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2692 states. [2024-10-11 05:21:31,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2692 to 2692. [2024-10-11 05:21:31,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2692 states, 2677 states have (on average 1.4912215166230856) internal successors, (3992), 2677 states have internal predecessors, (3992), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-11 05:21:31,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2692 states to 2692 states and 4018 transitions. [2024-10-11 05:21:31,663 INFO L78 Accepts]: Start accepts. Automaton has 2692 states and 4018 transitions. Word has length 971 [2024-10-11 05:21:31,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:21:31,663 INFO L471 AbstractCegarLoop]: Abstraction has 2692 states and 4018 transitions. [2024-10-11 05:21:31,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 181.8) internal successors, (909), 5 states have internal predecessors, (909), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 05:21:31,664 INFO L276 IsEmpty]: Start isEmpty. Operand 2692 states and 4018 transitions. [2024-10-11 05:21:31,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 973 [2024-10-11 05:21:31,670 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:21:31,671 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:21:31,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-11 05:21:31,671 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:21:31,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:21:31,672 INFO L85 PathProgramCache]: Analyzing trace with hash 613377533, now seen corresponding path program 1 times [2024-10-11 05:21:31,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:21:31,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533386614] [2024-10-11 05:21:31,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:21:31,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:21:32,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:32,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 05:21:32,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:32,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-11 05:21:32,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:32,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-11 05:21:32,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:32,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 05:21:32,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:32,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 05:21:32,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:32,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-11 05:21:32,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:32,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-11 05:21:32,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:32,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-10-11 05:21:32,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:32,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 05:21:32,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:32,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-11 05:21:32,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:32,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-11 05:21:32,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:32,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-10-11 05:21:32,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:32,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-10-11 05:21:32,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:32,875 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 05:21:32,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:21:32,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533386614] [2024-10-11 05:21:32,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533386614] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:21:32,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:21:32,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:21:32,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732078167] [2024-10-11 05:21:32,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:21:32,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:21:32,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:21:32,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:21:32,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:21:32,878 INFO L87 Difference]: Start difference. First operand 2692 states and 4018 transitions. Second operand has 5 states, 5 states have (on average 182.0) internal successors, (910), 5 states have internal predecessors, (910), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 05:21:33,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:21:33,194 INFO L93 Difference]: Finished difference Result 5043 states and 7525 transitions. [2024-10-11 05:21:33,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:21:33,195 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 182.0) internal successors, (910), 5 states have internal predecessors, (910), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 972 [2024-10-11 05:21:33,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:21:33,199 INFO L225 Difference]: With dead ends: 5043 [2024-10-11 05:21:33,199 INFO L226 Difference]: Without dead ends: 2692 [2024-10-11 05:21:33,203 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:21:33,204 INFO L432 NwaCegarLoop]: 3832 mSDtfsCounter, 3833 mSDsluCounter, 3850 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3846 SdHoareTripleChecker+Valid, 7682 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 05:21:33,204 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3846 Valid, 7682 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 05:21:33,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2692 states. [2024-10-11 05:21:33,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2692 to 2692. [2024-10-11 05:21:33,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2692 states, 2677 states have (on average 1.4908479641389616) internal successors, (3991), 2677 states have internal predecessors, (3991), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-11 05:21:33,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2692 states to 2692 states and 4017 transitions. [2024-10-11 05:21:33,245 INFO L78 Accepts]: Start accepts. Automaton has 2692 states and 4017 transitions. Word has length 972 [2024-10-11 05:21:33,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:21:33,246 INFO L471 AbstractCegarLoop]: Abstraction has 2692 states and 4017 transitions. [2024-10-11 05:21:33,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 182.0) internal successors, (910), 5 states have internal predecessors, (910), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 05:21:33,247 INFO L276 IsEmpty]: Start isEmpty. Operand 2692 states and 4017 transitions. [2024-10-11 05:21:33,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 974 [2024-10-11 05:21:33,254 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:21:33,254 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:21:33,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-11 05:21:33,255 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:21:33,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:21:33,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1661283791, now seen corresponding path program 1 times [2024-10-11 05:21:33,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:21:33,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951712794] [2024-10-11 05:21:33,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:21:33,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:21:33,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:34,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 05:21:34,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:34,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-11 05:21:34,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:34,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-11 05:21:34,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:34,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 05:21:34,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:34,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 05:21:34,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:34,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-11 05:21:34,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:34,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-11 05:21:34,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:34,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-10-11 05:21:34,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:34,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 05:21:34,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:34,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-11 05:21:34,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:34,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-11 05:21:34,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:34,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-10-11 05:21:34,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:34,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-10-11 05:21:34,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:34,468 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 05:21:34,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:21:34,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951712794] [2024-10-11 05:21:34,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951712794] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:21:34,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:21:34,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:21:34,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511771828] [2024-10-11 05:21:34,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:21:34,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:21:34,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:21:34,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:21:34,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:21:34,478 INFO L87 Difference]: Start difference. First operand 2692 states and 4017 transitions. Second operand has 5 states, 5 states have (on average 182.2) internal successors, (911), 5 states have internal predecessors, (911), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 05:21:34,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:21:34,812 INFO L93 Difference]: Finished difference Result 5043 states and 7523 transitions. [2024-10-11 05:21:34,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:21:34,817 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 182.2) internal successors, (911), 5 states have internal predecessors, (911), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 973 [2024-10-11 05:21:34,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:21:34,822 INFO L225 Difference]: With dead ends: 5043 [2024-10-11 05:21:34,822 INFO L226 Difference]: Without dead ends: 2692 [2024-10-11 05:21:34,826 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:21:34,826 INFO L432 NwaCegarLoop]: 3832 mSDtfsCounter, 7338 mSDsluCounter, 3834 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7351 SdHoareTripleChecker+Valid, 7666 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 05:21:34,828 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7351 Valid, 7666 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 05:21:34,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2692 states. [2024-10-11 05:21:34,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2692 to 2692. [2024-10-11 05:21:34,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2692 states, 2677 states have (on average 1.4904744116548374) internal successors, (3990), 2677 states have internal predecessors, (3990), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-11 05:21:34,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2692 states to 2692 states and 4016 transitions. [2024-10-11 05:21:34,876 INFO L78 Accepts]: Start accepts. Automaton has 2692 states and 4016 transitions. Word has length 973 [2024-10-11 05:21:34,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:21:34,878 INFO L471 AbstractCegarLoop]: Abstraction has 2692 states and 4016 transitions. [2024-10-11 05:21:34,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 182.2) internal successors, (911), 5 states have internal predecessors, (911), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 05:21:34,878 INFO L276 IsEmpty]: Start isEmpty. Operand 2692 states and 4016 transitions. [2024-10-11 05:21:34,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 975 [2024-10-11 05:21:34,891 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:21:34,892 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:21:34,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-11 05:21:34,892 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:21:34,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:21:34,893 INFO L85 PathProgramCache]: Analyzing trace with hash -889540380, now seen corresponding path program 1 times [2024-10-11 05:21:34,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:21:34,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937790724] [2024-10-11 05:21:34,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:21:34,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:21:35,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:36,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 05:21:36,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:36,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-11 05:21:36,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:36,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-11 05:21:36,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:36,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 05:21:36,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:36,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 05:21:36,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:36,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-11 05:21:36,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:36,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-11 05:21:36,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:36,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-10-11 05:21:36,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:36,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 05:21:36,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:36,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-11 05:21:36,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:36,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-11 05:21:36,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:36,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-10-11 05:21:36,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:36,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-10-11 05:21:36,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:36,642 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 05:21:36,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:21:36,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937790724] [2024-10-11 05:21:36,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937790724] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:21:36,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:21:36,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:21:36,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906744230] [2024-10-11 05:21:36,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:21:36,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:21:36,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:21:36,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:21:36,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:21:36,650 INFO L87 Difference]: Start difference. First operand 2692 states and 4016 transitions. Second operand has 5 states, 5 states have (on average 182.4) internal successors, (912), 5 states have internal predecessors, (912), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 05:21:37,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:21:37,056 INFO L93 Difference]: Finished difference Result 5043 states and 7521 transitions. [2024-10-11 05:21:37,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:21:37,057 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 182.4) internal successors, (912), 5 states have internal predecessors, (912), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 974 [2024-10-11 05:21:37,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:21:37,062 INFO L225 Difference]: With dead ends: 5043 [2024-10-11 05:21:37,062 INFO L226 Difference]: Without dead ends: 2692 [2024-10-11 05:21:37,064 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:21:37,068 INFO L432 NwaCegarLoop]: 3832 mSDtfsCounter, 7060 mSDsluCounter, 3834 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7073 SdHoareTripleChecker+Valid, 7666 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 05:21:37,069 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7073 Valid, 7666 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 05:21:37,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2692 states. [2024-10-11 05:21:37,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2692 to 2692. [2024-10-11 05:21:37,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2692 states, 2677 states have (on average 1.4901008591707134) internal successors, (3989), 2677 states have internal predecessors, (3989), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-11 05:21:37,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2692 states to 2692 states and 4015 transitions. [2024-10-11 05:21:37,139 INFO L78 Accepts]: Start accepts. Automaton has 2692 states and 4015 transitions. Word has length 974 [2024-10-11 05:21:37,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:21:37,140 INFO L471 AbstractCegarLoop]: Abstraction has 2692 states and 4015 transitions. [2024-10-11 05:21:37,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 182.4) internal successors, (912), 5 states have internal predecessors, (912), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 05:21:37,140 INFO L276 IsEmpty]: Start isEmpty. Operand 2692 states and 4015 transitions. [2024-10-11 05:21:37,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 976 [2024-10-11 05:21:37,154 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:21:37,155 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:21:37,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-11 05:21:37,155 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:21:37,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:21:37,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1318754369, now seen corresponding path program 1 times [2024-10-11 05:21:37,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:21:37,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424542952] [2024-10-11 05:21:37,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:21:37,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:21:37,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:38,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 05:21:38,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:38,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-11 05:21:38,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:38,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-11 05:21:38,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:38,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 05:21:38,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:38,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 05:21:38,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:38,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-11 05:21:38,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:39,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-11 05:21:39,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:39,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-10-11 05:21:39,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:39,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 05:21:39,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:39,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-11 05:21:39,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:39,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-11 05:21:39,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:39,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-10-11 05:21:39,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:39,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-10-11 05:21:39,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:39,010 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 05:21:39,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:21:39,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424542952] [2024-10-11 05:21:39,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424542952] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:21:39,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:21:39,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:21:39,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851779829] [2024-10-11 05:21:39,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:21:39,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:21:39,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:21:39,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:21:39,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:21:39,012 INFO L87 Difference]: Start difference. First operand 2692 states and 4015 transitions. Second operand has 5 states, 5 states have (on average 182.6) internal successors, (913), 5 states have internal predecessors, (913), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 05:21:39,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:21:39,298 INFO L93 Difference]: Finished difference Result 5043 states and 7519 transitions. [2024-10-11 05:21:39,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:21:39,298 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 182.6) internal successors, (913), 5 states have internal predecessors, (913), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 975 [2024-10-11 05:21:39,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:21:39,306 INFO L225 Difference]: With dead ends: 5043 [2024-10-11 05:21:39,306 INFO L226 Difference]: Without dead ends: 2692 [2024-10-11 05:21:39,309 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:21:39,309 INFO L432 NwaCegarLoop]: 3832 mSDtfsCounter, 7052 mSDsluCounter, 3834 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7065 SdHoareTripleChecker+Valid, 7666 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 05:21:39,310 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7065 Valid, 7666 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 05:21:39,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2692 states. [2024-10-11 05:21:39,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2692 to 2692. [2024-10-11 05:21:39,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2692 states, 2677 states have (on average 1.4897273066865895) internal successors, (3988), 2677 states have internal predecessors, (3988), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-11 05:21:39,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2692 states to 2692 states and 4014 transitions. [2024-10-11 05:21:39,374 INFO L78 Accepts]: Start accepts. Automaton has 2692 states and 4014 transitions. Word has length 975 [2024-10-11 05:21:39,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:21:39,375 INFO L471 AbstractCegarLoop]: Abstraction has 2692 states and 4014 transitions. [2024-10-11 05:21:39,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 182.6) internal successors, (913), 5 states have internal predecessors, (913), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 05:21:39,375 INFO L276 IsEmpty]: Start isEmpty. Operand 2692 states and 4014 transitions. [2024-10-11 05:21:39,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 977 [2024-10-11 05:21:39,388 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:21:39,389 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:21:39,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-11 05:21:39,389 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:21:39,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:21:39,390 INFO L85 PathProgramCache]: Analyzing trace with hash -976896451, now seen corresponding path program 1 times [2024-10-11 05:21:39,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:21:39,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144432588] [2024-10-11 05:21:39,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:21:39,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:21:39,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:40,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 05:21:40,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:40,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-11 05:21:40,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:40,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-11 05:21:40,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:40,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 05:21:40,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:40,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 05:21:40,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:40,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-11 05:21:40,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:40,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-11 05:21:40,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:40,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-10-11 05:21:40,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:40,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 05:21:40,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:40,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-11 05:21:40,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:40,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-11 05:21:40,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:40,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-10-11 05:21:40,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:40,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-10-11 05:21:40,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:40,554 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 05:21:40,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:21:40,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144432588] [2024-10-11 05:21:40,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144432588] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:21:40,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:21:40,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:21:40,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741686389] [2024-10-11 05:21:40,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:21:40,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:21:40,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:21:40,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:21:40,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:21:40,557 INFO L87 Difference]: Start difference. First operand 2692 states and 4014 transitions. Second operand has 5 states, 5 states have (on average 182.8) internal successors, (914), 5 states have internal predecessors, (914), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 05:21:40,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:21:40,854 INFO L93 Difference]: Finished difference Result 5043 states and 7517 transitions. [2024-10-11 05:21:40,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:21:40,855 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 182.8) internal successors, (914), 5 states have internal predecessors, (914), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 976 [2024-10-11 05:21:40,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:21:40,858 INFO L225 Difference]: With dead ends: 5043 [2024-10-11 05:21:40,859 INFO L226 Difference]: Without dead ends: 2692 [2024-10-11 05:21:40,862 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:21:40,862 INFO L432 NwaCegarLoop]: 3832 mSDtfsCounter, 7044 mSDsluCounter, 3834 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7057 SdHoareTripleChecker+Valid, 7666 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 05:21:40,862 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7057 Valid, 7666 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 05:21:40,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2692 states. [2024-10-11 05:21:40,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2692 to 2692. [2024-10-11 05:21:40,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2692 states, 2677 states have (on average 1.4893537542024655) internal successors, (3987), 2677 states have internal predecessors, (3987), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-11 05:21:40,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2692 states to 2692 states and 4013 transitions. [2024-10-11 05:21:40,886 INFO L78 Accepts]: Start accepts. Automaton has 2692 states and 4013 transitions. Word has length 976 [2024-10-11 05:21:40,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:21:40,886 INFO L471 AbstractCegarLoop]: Abstraction has 2692 states and 4013 transitions. [2024-10-11 05:21:40,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 182.8) internal successors, (914), 5 states have internal predecessors, (914), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 05:21:40,887 INFO L276 IsEmpty]: Start isEmpty. Operand 2692 states and 4013 transitions. [2024-10-11 05:21:40,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 978 [2024-10-11 05:21:40,892 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:21:40,893 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:21:40,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-11 05:21:40,893 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:21:40,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:21:40,894 INFO L85 PathProgramCache]: Analyzing trace with hash 1361875898, now seen corresponding path program 1 times [2024-10-11 05:21:40,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:21:40,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532030475] [2024-10-11 05:21:40,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:21:40,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:21:41,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:41,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 05:21:41,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:41,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-11 05:21:41,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:41,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-11 05:21:41,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:41,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 05:21:41,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:41,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 05:21:41,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:42,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-11 05:21:42,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:42,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-11 05:21:42,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:42,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-10-11 05:21:42,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:42,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 05:21:42,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:42,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-11 05:21:42,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:42,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-11 05:21:42,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:42,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-10-11 05:21:42,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:42,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-10-11 05:21:42,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:42,016 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 05:21:42,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:21:42,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532030475] [2024-10-11 05:21:42,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532030475] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:21:42,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:21:42,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:21:42,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880027118] [2024-10-11 05:21:42,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:21:42,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:21:42,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:21:42,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:21:42,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:21:42,018 INFO L87 Difference]: Start difference. First operand 2692 states and 4013 transitions. Second operand has 5 states, 5 states have (on average 183.0) internal successors, (915), 5 states have internal predecessors, (915), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 05:21:42,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:21:42,325 INFO L93 Difference]: Finished difference Result 5043 states and 7515 transitions. [2024-10-11 05:21:42,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:21:42,326 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 183.0) internal successors, (915), 5 states have internal predecessors, (915), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 977 [2024-10-11 05:21:42,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:21:42,331 INFO L225 Difference]: With dead ends: 5043 [2024-10-11 05:21:42,331 INFO L226 Difference]: Without dead ends: 2692 [2024-10-11 05:21:42,333 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:21:42,335 INFO L432 NwaCegarLoop]: 3832 mSDtfsCounter, 7036 mSDsluCounter, 3834 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7049 SdHoareTripleChecker+Valid, 7666 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 05:21:42,335 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7049 Valid, 7666 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 05:21:42,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2692 states. [2024-10-11 05:21:42,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2692 to 2692. [2024-10-11 05:21:42,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2692 states, 2677 states have (on average 1.4889802017183413) internal successors, (3986), 2677 states have internal predecessors, (3986), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-11 05:21:42,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2692 states to 2692 states and 4012 transitions. [2024-10-11 05:21:42,372 INFO L78 Accepts]: Start accepts. Automaton has 2692 states and 4012 transitions. Word has length 977 [2024-10-11 05:21:42,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:21:42,373 INFO L471 AbstractCegarLoop]: Abstraction has 2692 states and 4012 transitions. [2024-10-11 05:21:42,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 183.0) internal successors, (915), 5 states have internal predecessors, (915), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 05:21:42,373 INFO L276 IsEmpty]: Start isEmpty. Operand 2692 states and 4012 transitions. [2024-10-11 05:21:42,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 979 [2024-10-11 05:21:42,381 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:21:42,382 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:21:42,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-11 05:21:42,382 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:21:42,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:21:42,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1538151446, now seen corresponding path program 1 times [2024-10-11 05:21:42,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:21:42,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869726831] [2024-10-11 05:21:42,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:21:42,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:21:42,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:43,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 05:21:43,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:43,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-11 05:21:43,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:43,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-11 05:21:43,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:43,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 05:21:43,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:43,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 05:21:43,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:43,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-11 05:21:43,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:43,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-11 05:21:43,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:43,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-10-11 05:21:43,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:43,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 05:21:43,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:43,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-11 05:21:43,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:43,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-11 05:21:43,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:43,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-10-11 05:21:43,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:43,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-10-11 05:21:43,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:43,670 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 05:21:43,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:21:43,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869726831] [2024-10-11 05:21:43,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869726831] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:21:43,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:21:43,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:21:43,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289307530] [2024-10-11 05:21:43,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:21:43,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:21:43,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:21:43,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:21:43,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:21:43,675 INFO L87 Difference]: Start difference. First operand 2692 states and 4012 transitions. Second operand has 5 states, 5 states have (on average 183.2) internal successors, (916), 5 states have internal predecessors, (916), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 05:21:43,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:21:43,975 INFO L93 Difference]: Finished difference Result 5043 states and 7513 transitions. [2024-10-11 05:21:43,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:21:43,977 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 183.2) internal successors, (916), 5 states have internal predecessors, (916), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 978 [2024-10-11 05:21:43,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:21:43,981 INFO L225 Difference]: With dead ends: 5043 [2024-10-11 05:21:43,981 INFO L226 Difference]: Without dead ends: 2692 [2024-10-11 05:21:43,983 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:21:43,984 INFO L432 NwaCegarLoop]: 3832 mSDtfsCounter, 3539 mSDsluCounter, 3850 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3552 SdHoareTripleChecker+Valid, 7682 SdHoareTripleChecker+Invalid, 362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 05:21:43,984 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3552 Valid, 7682 Invalid, 362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 05:21:43,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2692 states. [2024-10-11 05:21:44,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2692 to 2692. [2024-10-11 05:21:44,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2692 states, 2677 states have (on average 1.4886066492342174) internal successors, (3985), 2677 states have internal predecessors, (3985), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-11 05:21:44,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2692 states to 2692 states and 4011 transitions. [2024-10-11 05:21:44,013 INFO L78 Accepts]: Start accepts. Automaton has 2692 states and 4011 transitions. Word has length 978 [2024-10-11 05:21:44,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:21:44,014 INFO L471 AbstractCegarLoop]: Abstraction has 2692 states and 4011 transitions. [2024-10-11 05:21:44,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 183.2) internal successors, (916), 5 states have internal predecessors, (916), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 05:21:44,014 INFO L276 IsEmpty]: Start isEmpty. Operand 2692 states and 4011 transitions. [2024-10-11 05:21:44,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 980 [2024-10-11 05:21:44,019 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:21:44,020 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:21:44,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-11 05:21:44,020 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:21:44,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:21:44,021 INFO L85 PathProgramCache]: Analyzing trace with hash -338424408, now seen corresponding path program 1 times [2024-10-11 05:21:44,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:21:44,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94423904] [2024-10-11 05:21:44,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:21:44,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:21:44,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:45,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 05:21:45,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:45,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-11 05:21:45,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:45,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-11 05:21:45,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:45,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 05:21:45,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:45,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 05:21:45,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:45,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-11 05:21:45,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:45,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-11 05:21:45,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:45,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-10-11 05:21:45,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:45,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 05:21:45,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:45,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-11 05:21:45,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:45,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-11 05:21:45,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:45,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-10-11 05:21:45,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:45,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-10-11 05:21:45,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:45,175 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 05:21:45,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:21:45,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94423904] [2024-10-11 05:21:45,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94423904] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:21:45,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:21:45,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:21:45,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567533613] [2024-10-11 05:21:45,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:21:45,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:21:45,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:21:45,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:21:45,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:21:45,178 INFO L87 Difference]: Start difference. First operand 2692 states and 4011 transitions. Second operand has 5 states, 5 states have (on average 183.4) internal successors, (917), 5 states have internal predecessors, (917), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 05:21:45,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:21:45,489 INFO L93 Difference]: Finished difference Result 5043 states and 7511 transitions. [2024-10-11 05:21:45,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:21:45,489 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 183.4) internal successors, (917), 5 states have internal predecessors, (917), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 979 [2024-10-11 05:21:45,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:21:45,493 INFO L225 Difference]: With dead ends: 5043 [2024-10-11 05:21:45,493 INFO L226 Difference]: Without dead ends: 2692 [2024-10-11 05:21:45,495 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:21:45,496 INFO L432 NwaCegarLoop]: 3832 mSDtfsCounter, 3535 mSDsluCounter, 3850 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3548 SdHoareTripleChecker+Valid, 7682 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 05:21:45,496 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3548 Valid, 7682 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 05:21:45,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2692 states. [2024-10-11 05:21:45,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2692 to 2692. [2024-10-11 05:21:45,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2692 states, 2677 states have (on average 1.4882330967500934) internal successors, (3984), 2677 states have internal predecessors, (3984), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-11 05:21:45,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2692 states to 2692 states and 4010 transitions. [2024-10-11 05:21:45,522 INFO L78 Accepts]: Start accepts. Automaton has 2692 states and 4010 transitions. Word has length 979 [2024-10-11 05:21:45,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:21:45,523 INFO L471 AbstractCegarLoop]: Abstraction has 2692 states and 4010 transitions. [2024-10-11 05:21:45,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 183.4) internal successors, (917), 5 states have internal predecessors, (917), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 05:21:45,524 INFO L276 IsEmpty]: Start isEmpty. Operand 2692 states and 4010 transitions. [2024-10-11 05:21:45,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 981 [2024-10-11 05:21:45,529 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:21:45,530 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:21:45,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-11 05:21:45,530 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:21:45,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:21:45,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1522091587, now seen corresponding path program 1 times [2024-10-11 05:21:45,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:21:45,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582053712] [2024-10-11 05:21:45,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:21:45,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:21:45,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:46,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 05:21:46,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:46,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-11 05:21:46,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:46,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-11 05:21:46,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:46,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 05:21:46,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:46,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 05:21:46,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:46,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-11 05:21:46,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:46,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-11 05:21:46,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:46,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-10-11 05:21:46,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:46,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 05:21:46,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:46,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-11 05:21:46,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:46,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-11 05:21:46,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:46,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-10-11 05:21:46,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:46,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-10-11 05:21:46,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:46,693 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 05:21:46,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:21:46,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582053712] [2024-10-11 05:21:46,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582053712] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:21:46,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:21:46,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:21:46,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [633976534] [2024-10-11 05:21:46,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:21:46,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:21:46,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:21:46,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:21:46,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:21:46,697 INFO L87 Difference]: Start difference. First operand 2692 states and 4010 transitions. Second operand has 5 states, 5 states have (on average 183.6) internal successors, (918), 5 states have internal predecessors, (918), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 05:21:46,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:21:46,999 INFO L93 Difference]: Finished difference Result 5043 states and 7509 transitions. [2024-10-11 05:21:46,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:21:46,999 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 183.6) internal successors, (918), 5 states have internal predecessors, (918), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 980 [2024-10-11 05:21:47,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:21:47,003 INFO L225 Difference]: With dead ends: 5043 [2024-10-11 05:21:47,003 INFO L226 Difference]: Without dead ends: 2692 [2024-10-11 05:21:47,005 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:21:47,005 INFO L432 NwaCegarLoop]: 3832 mSDtfsCounter, 3528 mSDsluCounter, 3850 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3541 SdHoareTripleChecker+Valid, 7682 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 05:21:47,005 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3541 Valid, 7682 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 05:21:47,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2692 states. [2024-10-11 05:21:47,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2692 to 2692. [2024-10-11 05:21:47,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2692 states, 2677 states have (on average 1.4878595442659694) internal successors, (3983), 2677 states have internal predecessors, (3983), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-11 05:21:47,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2692 states to 2692 states and 4009 transitions. [2024-10-11 05:21:47,034 INFO L78 Accepts]: Start accepts. Automaton has 2692 states and 4009 transitions. Word has length 980 [2024-10-11 05:21:47,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:21:47,035 INFO L471 AbstractCegarLoop]: Abstraction has 2692 states and 4009 transitions. [2024-10-11 05:21:47,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 183.6) internal successors, (918), 5 states have internal predecessors, (918), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 05:21:47,035 INFO L276 IsEmpty]: Start isEmpty. Operand 2692 states and 4009 transitions. [2024-10-11 05:21:47,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 982 [2024-10-11 05:21:47,041 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:21:47,042 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:21:47,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-11 05:21:47,042 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:21:47,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:21:47,043 INFO L85 PathProgramCache]: Analyzing trace with hash -857310808, now seen corresponding path program 1 times [2024-10-11 05:21:47,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:21:47,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533524247] [2024-10-11 05:21:47,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:21:47,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:21:47,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:48,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 05:21:48,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:48,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-11 05:21:48,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:48,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-11 05:21:48,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:48,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 05:21:48,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:48,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 05:21:48,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:48,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-11 05:21:48,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:48,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-11 05:21:48,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:48,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-10-11 05:21:48,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:48,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 05:21:48,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:48,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-11 05:21:48,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:48,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-11 05:21:48,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:48,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-10-11 05:21:48,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:48,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-10-11 05:21:48,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:48,707 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 05:21:48,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:21:48,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533524247] [2024-10-11 05:21:48,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533524247] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:21:48,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:21:48,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 05:21:48,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352399932] [2024-10-11 05:21:48,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:21:48,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 05:21:48,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:21:48,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 05:21:48,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 05:21:48,709 INFO L87 Difference]: Start difference. First operand 2692 states and 4009 transitions. Second operand has 4 states, 4 states have (on average 229.75) internal successors, (919), 4 states have internal predecessors, (919), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 05:21:48,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:21:48,903 INFO L93 Difference]: Finished difference Result 5042 states and 7506 transitions. [2024-10-11 05:21:48,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:21:48,904 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 229.75) internal successors, (919), 4 states have internal predecessors, (919), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 981 [2024-10-11 05:21:48,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:21:48,907 INFO L225 Difference]: With dead ends: 5042 [2024-10-11 05:21:48,907 INFO L226 Difference]: Without dead ends: 2691 [2024-10-11 05:21:48,909 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:21:48,909 INFO L432 NwaCegarLoop]: 3890 mSDtfsCounter, 3217 mSDsluCounter, 3892 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3217 SdHoareTripleChecker+Valid, 7782 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 05:21:48,909 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3217 Valid, 7782 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 05:21:48,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2691 states. [2024-10-11 05:21:48,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2691 to 2691. [2024-10-11 05:21:48,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2691 states, 2676 states have (on average 1.4872944693572496) internal successors, (3980), 2676 states have internal predecessors, (3980), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-11 05:21:48,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2691 states to 2691 states and 4006 transitions. [2024-10-11 05:21:48,931 INFO L78 Accepts]: Start accepts. Automaton has 2691 states and 4006 transitions. Word has length 981 [2024-10-11 05:21:48,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:21:48,931 INFO L471 AbstractCegarLoop]: Abstraction has 2691 states and 4006 transitions. [2024-10-11 05:21:48,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 229.75) internal successors, (919), 4 states have internal predecessors, (919), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 05:21:48,932 INFO L276 IsEmpty]: Start isEmpty. Operand 2691 states and 4006 transitions. [2024-10-11 05:21:48,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 983 [2024-10-11 05:21:48,937 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:21:48,938 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:21:48,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-11 05:21:48,938 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:21:48,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:21:48,938 INFO L85 PathProgramCache]: Analyzing trace with hash 206744029, now seen corresponding path program 1 times [2024-10-11 05:21:48,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:21:48,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848987980] [2024-10-11 05:21:48,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:21:48,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:21:49,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:50,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 05:21:50,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:50,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-11 05:21:50,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:50,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-11 05:21:50,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:50,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 05:21:50,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:50,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 05:21:50,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:50,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-11 05:21:50,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:50,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-11 05:21:50,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:50,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-10-11 05:21:50,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:50,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 05:21:50,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:50,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-11 05:21:50,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:50,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-11 05:21:50,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:50,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-10-11 05:21:50,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:50,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-10-11 05:21:50,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:50,033 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 05:21:50,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:21:50,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848987980] [2024-10-11 05:21:50,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848987980] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:21:50,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:21:50,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:21:50,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181125899] [2024-10-11 05:21:50,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:21:50,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:21:50,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:21:50,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:21:50,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:21:50,036 INFO L87 Difference]: Start difference. First operand 2691 states and 4006 transitions. Second operand has 5 states, 5 states have (on average 184.0) internal successors, (920), 5 states have internal predecessors, (920), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 05:21:50,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:21:50,228 INFO L93 Difference]: Finished difference Result 5877 states and 8739 transitions. [2024-10-11 05:21:50,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 05:21:50,228 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 184.0) internal successors, (920), 5 states have internal predecessors, (920), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 982 [2024-10-11 05:21:50,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:21:50,231 INFO L225 Difference]: With dead ends: 5877 [2024-10-11 05:21:50,232 INFO L226 Difference]: Without dead ends: 2691 [2024-10-11 05:21:50,234 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-11 05:21:50,234 INFO L432 NwaCegarLoop]: 3978 mSDtfsCounter, 5675 mSDsluCounter, 7883 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5675 SdHoareTripleChecker+Valid, 11861 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 05:21:50,235 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5675 Valid, 11861 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 05:21:50,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2691 states. [2024-10-11 05:21:50,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2691 to 2691. [2024-10-11 05:21:50,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2691 states, 2676 states have (on average 1.4869207772795217) internal successors, (3979), 2676 states have internal predecessors, (3979), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-11 05:21:50,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2691 states to 2691 states and 4005 transitions. [2024-10-11 05:21:50,256 INFO L78 Accepts]: Start accepts. Automaton has 2691 states and 4005 transitions. Word has length 982 [2024-10-11 05:21:50,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:21:50,257 INFO L471 AbstractCegarLoop]: Abstraction has 2691 states and 4005 transitions. [2024-10-11 05:21:50,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 184.0) internal successors, (920), 5 states have internal predecessors, (920), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 05:21:50,257 INFO L276 IsEmpty]: Start isEmpty. Operand 2691 states and 4005 transitions. [2024-10-11 05:21:50,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 984 [2024-10-11 05:21:50,263 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:21:50,263 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:21:50,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-10-11 05:21:50,263 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:21:50,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:21:50,264 INFO L85 PathProgramCache]: Analyzing trace with hash 819549416, now seen corresponding path program 1 times [2024-10-11 05:21:50,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:21:50,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850406934] [2024-10-11 05:21:50,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:21:50,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:21:50,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:51,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 05:21:51,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:51,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-11 05:21:51,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:51,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-11 05:21:51,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:51,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 05:21:51,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:51,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 05:21:51,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:51,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-11 05:21:51,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:51,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-11 05:21:51,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:51,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-10-11 05:21:51,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:51,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 05:21:51,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:51,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-11 05:21:51,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:51,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-11 05:21:51,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:51,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-10-11 05:21:51,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:51,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-10-11 05:21:51,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:51,390 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 05:21:51,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:21:51,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850406934] [2024-10-11 05:21:51,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850406934] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:21:51,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:21:51,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:21:51,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791827812] [2024-10-11 05:21:51,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:21:51,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:21:51,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:21:51,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:21:51,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:21:51,393 INFO L87 Difference]: Start difference. First operand 2691 states and 4005 transitions. Second operand has 5 states, 5 states have (on average 184.2) internal successors, (921), 5 states have internal predecessors, (921), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 05:21:51,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:21:51,597 INFO L93 Difference]: Finished difference Result 5041 states and 7499 transitions. [2024-10-11 05:21:51,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:21:51,597 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 184.2) internal successors, (921), 5 states have internal predecessors, (921), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 983 [2024-10-11 05:21:51,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:21:51,600 INFO L225 Difference]: With dead ends: 5041 [2024-10-11 05:21:51,600 INFO L226 Difference]: Without dead ends: 2691 [2024-10-11 05:21:51,603 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:21:51,603 INFO L432 NwaCegarLoop]: 3890 mSDtfsCounter, 3970 mSDsluCounter, 3908 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3983 SdHoareTripleChecker+Valid, 7798 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 05:21:51,603 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3983 Valid, 7798 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 05:21:51,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2691 states. [2024-10-11 05:21:51,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2691 to 2691. [2024-10-11 05:21:51,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2691 states, 2676 states have (on average 1.4865470852017937) internal successors, (3978), 2676 states have internal predecessors, (3978), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-11 05:21:51,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2691 states to 2691 states and 4004 transitions. [2024-10-11 05:21:51,628 INFO L78 Accepts]: Start accepts. Automaton has 2691 states and 4004 transitions. Word has length 983 [2024-10-11 05:21:51,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:21:51,629 INFO L471 AbstractCegarLoop]: Abstraction has 2691 states and 4004 transitions. [2024-10-11 05:21:51,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 184.2) internal successors, (921), 5 states have internal predecessors, (921), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 05:21:51,629 INFO L276 IsEmpty]: Start isEmpty. Operand 2691 states and 4004 transitions. [2024-10-11 05:21:51,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 985 [2024-10-11 05:21:51,635 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:21:51,635 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:21:51,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-10-11 05:21:51,636 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:21:51,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:21:51,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1748192438, now seen corresponding path program 1 times [2024-10-11 05:21:51,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:21:51,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973370213] [2024-10-11 05:21:51,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:21:51,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:21:51,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:52,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 05:21:52,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:52,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-11 05:21:52,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:52,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-11 05:21:52,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:52,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 05:21:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:52,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 05:21:52,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:52,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-11 05:21:52,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:52,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-11 05:21:52,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:52,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-10-11 05:21:52,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:52,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 05:21:52,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:52,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-11 05:21:52,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:52,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-11 05:21:52,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:52,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-10-11 05:21:52,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:52,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-10-11 05:21:52,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:52,703 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 05:21:52,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:21:52,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973370213] [2024-10-11 05:21:52,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973370213] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:21:52,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:21:52,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:21:52,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093661345] [2024-10-11 05:21:52,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:21:52,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:21:52,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:21:52,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:21:52,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:21:52,706 INFO L87 Difference]: Start difference. First operand 2691 states and 4004 transitions. Second operand has 5 states, 5 states have (on average 184.4) internal successors, (922), 5 states have internal predecessors, (922), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 05:21:52,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:21:52,918 INFO L93 Difference]: Finished difference Result 5041 states and 7497 transitions. [2024-10-11 05:21:52,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:21:52,919 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 184.4) internal successors, (922), 5 states have internal predecessors, (922), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 984 [2024-10-11 05:21:52,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:21:52,922 INFO L225 Difference]: With dead ends: 5041 [2024-10-11 05:21:52,922 INFO L226 Difference]: Without dead ends: 2691 [2024-10-11 05:21:52,924 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:21:52,924 INFO L432 NwaCegarLoop]: 3890 mSDtfsCounter, 7330 mSDsluCounter, 3892 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7343 SdHoareTripleChecker+Valid, 7782 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 05:21:52,924 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7343 Valid, 7782 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 05:21:52,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2691 states. [2024-10-11 05:21:52,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2691 to 2691. [2024-10-11 05:21:52,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2691 states, 2676 states have (on average 1.4861733931240657) internal successors, (3977), 2676 states have internal predecessors, (3977), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-11 05:21:52,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2691 states to 2691 states and 4003 transitions. [2024-10-11 05:21:52,948 INFO L78 Accepts]: Start accepts. Automaton has 2691 states and 4003 transitions. Word has length 984 [2024-10-11 05:21:52,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:21:52,948 INFO L471 AbstractCegarLoop]: Abstraction has 2691 states and 4003 transitions. [2024-10-11 05:21:52,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 184.4) internal successors, (922), 5 states have internal predecessors, (922), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 05:21:52,949 INFO L276 IsEmpty]: Start isEmpty. Operand 2691 states and 4003 transitions. [2024-10-11 05:21:52,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 986 [2024-10-11 05:21:52,954 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:21:52,954 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:21:52,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-10-11 05:21:52,955 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:21:52,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:21:52,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1349813448, now seen corresponding path program 1 times [2024-10-11 05:21:52,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:21:52,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123414092] [2024-10-11 05:21:52,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:21:52,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:21:53,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:54,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 05:21:54,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:54,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-11 05:21:54,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:54,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-11 05:21:54,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:54,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 05:21:54,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:54,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 05:21:54,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:54,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-11 05:21:54,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:54,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-11 05:21:54,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:54,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-10-11 05:21:54,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:54,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 05:21:54,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:54,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-11 05:21:54,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:54,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-11 05:21:54,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:54,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-10-11 05:21:54,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:54,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-10-11 05:21:54,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:54,181 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 05:21:54,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:21:54,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123414092] [2024-10-11 05:21:54,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123414092] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:21:54,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:21:54,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:21:54,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361934967] [2024-10-11 05:21:54,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:21:54,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:21:54,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:21:54,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:21:54,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:21:54,187 INFO L87 Difference]: Start difference. First operand 2691 states and 4003 transitions. Second operand has 5 states, 5 states have (on average 184.6) internal successors, (923), 5 states have internal predecessors, (923), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 05:21:54,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:21:54,367 INFO L93 Difference]: Finished difference Result 5041 states and 7495 transitions. [2024-10-11 05:21:54,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:21:54,368 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 184.6) internal successors, (923), 5 states have internal predecessors, (923), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 985 [2024-10-11 05:21:54,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:21:54,370 INFO L225 Difference]: With dead ends: 5041 [2024-10-11 05:21:54,371 INFO L226 Difference]: Without dead ends: 2691 [2024-10-11 05:21:54,372 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:21:54,372 INFO L432 NwaCegarLoop]: 3890 mSDtfsCounter, 7322 mSDsluCounter, 3892 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7335 SdHoareTripleChecker+Valid, 7782 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 05:21:54,373 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7335 Valid, 7782 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 05:21:54,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2691 states. [2024-10-11 05:21:54,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2691 to 2691. [2024-10-11 05:21:54,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2691 states, 2676 states have (on average 1.4857997010463377) internal successors, (3976), 2676 states have internal predecessors, (3976), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-11 05:21:54,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2691 states to 2691 states and 4002 transitions. [2024-10-11 05:21:54,397 INFO L78 Accepts]: Start accepts. Automaton has 2691 states and 4002 transitions. Word has length 985 [2024-10-11 05:21:54,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:21:54,397 INFO L471 AbstractCegarLoop]: Abstraction has 2691 states and 4002 transitions. [2024-10-11 05:21:54,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 184.6) internal successors, (923), 5 states have internal predecessors, (923), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 05:21:54,397 INFO L276 IsEmpty]: Start isEmpty. Operand 2691 states and 4002 transitions. [2024-10-11 05:21:54,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 987 [2024-10-11 05:21:54,403 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:21:54,404 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:21:54,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-10-11 05:21:54,404 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:21:54,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:21:54,404 INFO L85 PathProgramCache]: Analyzing trace with hash 2139932189, now seen corresponding path program 1 times [2024-10-11 05:21:54,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:21:54,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929171711] [2024-10-11 05:21:54,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:21:54,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:21:54,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:55,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 05:21:55,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:55,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-11 05:21:55,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:55,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-11 05:21:55,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:55,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 05:21:55,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:55,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 05:21:55,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:55,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-11 05:21:55,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:55,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-11 05:21:55,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:55,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-10-11 05:21:55,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:55,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 05:21:55,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:55,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-11 05:21:55,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:55,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-11 05:21:55,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:55,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-10-11 05:21:55,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:55,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-10-11 05:21:55,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:55,643 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 05:21:55,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:21:55,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929171711] [2024-10-11 05:21:55,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929171711] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:21:55,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:21:55,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:21:55,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753360047] [2024-10-11 05:21:55,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:21:55,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:21:55,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:21:55,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:21:55,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:21:55,646 INFO L87 Difference]: Start difference. First operand 2691 states and 4002 transitions. Second operand has 5 states, 5 states have (on average 184.8) internal successors, (924), 5 states have internal predecessors, (924), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 05:21:55,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:21:55,860 INFO L93 Difference]: Finished difference Result 5041 states and 7493 transitions. [2024-10-11 05:21:55,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:21:55,861 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 184.8) internal successors, (924), 5 states have internal predecessors, (924), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 986 [2024-10-11 05:21:55,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:21:55,864 INFO L225 Difference]: With dead ends: 5041 [2024-10-11 05:21:55,865 INFO L226 Difference]: Without dead ends: 2691 [2024-10-11 05:21:55,867 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:21:55,867 INFO L432 NwaCegarLoop]: 3890 mSDtfsCounter, 7028 mSDsluCounter, 3892 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7041 SdHoareTripleChecker+Valid, 7782 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 05:21:55,868 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7041 Valid, 7782 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 05:21:55,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2691 states. [2024-10-11 05:21:55,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2691 to 2691. [2024-10-11 05:21:55,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2691 states, 2676 states have (on average 1.4854260089686098) internal successors, (3975), 2676 states have internal predecessors, (3975), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-11 05:21:55,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2691 states to 2691 states and 4001 transitions. [2024-10-11 05:21:55,914 INFO L78 Accepts]: Start accepts. Automaton has 2691 states and 4001 transitions. Word has length 986 [2024-10-11 05:21:55,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:21:55,918 INFO L471 AbstractCegarLoop]: Abstraction has 2691 states and 4001 transitions. [2024-10-11 05:21:55,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 184.8) internal successors, (924), 5 states have internal predecessors, (924), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 05:21:55,919 INFO L276 IsEmpty]: Start isEmpty. Operand 2691 states and 4001 transitions. [2024-10-11 05:21:55,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 988 [2024-10-11 05:21:55,928 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:21:55,929 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:21:55,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-10-11 05:21:55,932 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:21:55,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:21:55,933 INFO L85 PathProgramCache]: Analyzing trace with hash 504294728, now seen corresponding path program 1 times [2024-10-11 05:21:55,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:21:55,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682099368] [2024-10-11 05:21:55,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:21:55,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:21:56,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:57,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 05:21:57,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:57,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-11 05:21:57,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:57,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-11 05:21:57,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:57,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 05:21:57,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:57,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 05:21:57,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:57,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-11 05:21:57,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:57,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-11 05:21:57,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:57,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-10-11 05:21:57,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:57,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 05:21:57,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:57,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-11 05:21:57,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:57,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-11 05:21:57,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:57,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-10-11 05:21:57,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:57,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-10-11 05:21:57,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:57,149 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 05:21:57,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:21:57,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682099368] [2024-10-11 05:21:57,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682099368] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:21:57,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:21:57,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:21:57,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180683197] [2024-10-11 05:21:57,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:21:57,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:21:57,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:21:57,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:21:57,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:21:57,152 INFO L87 Difference]: Start difference. First operand 2691 states and 4001 transitions. Second operand has 5 states, 5 states have (on average 185.0) internal successors, (925), 5 states have internal predecessors, (925), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 05:21:57,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:21:57,360 INFO L93 Difference]: Finished difference Result 5041 states and 7491 transitions. [2024-10-11 05:21:57,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:21:57,361 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 185.0) internal successors, (925), 5 states have internal predecessors, (925), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 987 [2024-10-11 05:21:57,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:21:57,364 INFO L225 Difference]: With dead ends: 5041 [2024-10-11 05:21:57,368 INFO L226 Difference]: Without dead ends: 2691 [2024-10-11 05:21:57,371 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:21:57,371 INFO L432 NwaCegarLoop]: 3890 mSDtfsCounter, 3668 mSDsluCounter, 3908 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3681 SdHoareTripleChecker+Valid, 7798 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 05:21:57,371 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3681 Valid, 7798 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 05:21:57,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2691 states. [2024-10-11 05:21:57,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2691 to 2691. [2024-10-11 05:21:57,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2691 states, 2676 states have (on average 1.485052316890882) internal successors, (3974), 2676 states have internal predecessors, (3974), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-11 05:21:57,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2691 states to 2691 states and 4000 transitions. [2024-10-11 05:21:57,435 INFO L78 Accepts]: Start accepts. Automaton has 2691 states and 4000 transitions. Word has length 987 [2024-10-11 05:21:57,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:21:57,440 INFO L471 AbstractCegarLoop]: Abstraction has 2691 states and 4000 transitions. [2024-10-11 05:21:57,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 185.0) internal successors, (925), 5 states have internal predecessors, (925), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 05:21:57,440 INFO L276 IsEmpty]: Start isEmpty. Operand 2691 states and 4000 transitions. [2024-10-11 05:21:57,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 989 [2024-10-11 05:21:57,449 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:21:57,453 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:21:57,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-10-11 05:21:57,453 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:21:57,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:21:57,454 INFO L85 PathProgramCache]: Analyzing trace with hash 1378222006, now seen corresponding path program 1 times [2024-10-11 05:21:57,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:21:57,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554717551] [2024-10-11 05:21:57,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:21:57,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:21:57,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:58,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-11 05:21:58,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:58,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-10-11 05:21:58,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:58,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2024-10-11 05:21:58,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:58,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-10-11 05:21:58,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:58,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 05:21:58,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:58,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2024-10-11 05:21:58,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:58,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2024-10-11 05:21:58,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:58,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2024-10-11 05:21:58,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:58,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-10-11 05:21:58,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:58,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2024-10-11 05:21:58,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:58,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2024-10-11 05:21:58,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:58,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2024-10-11 05:21:58,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:58,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2024-10-11 05:21:58,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 05:21:58,655 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-10-11 05:21:58,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 05:21:58,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554717551] [2024-10-11 05:21:58,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554717551] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 05:21:58,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 05:21:58,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 05:21:58,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174408759] [2024-10-11 05:21:58,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 05:21:58,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 05:21:58,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 05:21:58,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 05:21:58,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 05:21:58,658 INFO L87 Difference]: Start difference. First operand 2691 states and 4000 transitions. Second operand has 5 states, 5 states have (on average 185.2) internal successors, (926), 5 states have internal predecessors, (926), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 05:21:58,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 05:21:58,869 INFO L93 Difference]: Finished difference Result 5041 states and 7489 transitions. [2024-10-11 05:21:58,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 05:21:58,870 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 185.2) internal successors, (926), 5 states have internal predecessors, (926), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 988 [2024-10-11 05:21:58,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 05:21:58,873 INFO L225 Difference]: With dead ends: 5041 [2024-10-11 05:21:58,874 INFO L226 Difference]: Without dead ends: 2691 [2024-10-11 05:21:58,875 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-11 05:21:58,877 INFO L432 NwaCegarLoop]: 3890 mSDtfsCounter, 6726 mSDsluCounter, 3892 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6739 SdHoareTripleChecker+Valid, 7782 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 05:21:58,877 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6739 Valid, 7782 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 05:21:58,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2691 states. [2024-10-11 05:21:58,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2691 to 2691. [2024-10-11 05:21:58,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2691 states, 2676 states have (on average 1.484678624813154) internal successors, (3973), 2676 states have internal predecessors, (3973), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-10-11 05:21:58,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2691 states to 2691 states and 3999 transitions. [2024-10-11 05:21:58,911 INFO L78 Accepts]: Start accepts. Automaton has 2691 states and 3999 transitions. Word has length 988 [2024-10-11 05:21:58,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 05:21:58,912 INFO L471 AbstractCegarLoop]: Abstraction has 2691 states and 3999 transitions. [2024-10-11 05:21:58,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 185.2) internal successors, (926), 5 states have internal predecessors, (926), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-10-11 05:21:58,913 INFO L276 IsEmpty]: Start isEmpty. Operand 2691 states and 3999 transitions. [2024-10-11 05:21:58,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 990 [2024-10-11 05:21:58,920 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 05:21:58,920 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 05:21:58,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-10-11 05:21:58,920 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 05:21:58,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 05:21:58,921 INFO L85 PathProgramCache]: Analyzing trace with hash 293407016, now seen corresponding path program 1 times [2024-10-11 05:21:58,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 05:21:58,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127651121] [2024-10-11 05:21:58,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 05:21:58,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 05:21:59,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat