./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w32_d8_e0.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w32_d8_e0.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e06474b5b375934522ecdd69dd223d4be0b8939557fa13673cd9512102447ff6 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 10:09:55,546 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 10:09:55,594 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 10:09:55,600 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 10:09:55,601 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 10:09:55,623 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 10:09:55,624 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 10:09:55,624 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 10:09:55,625 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 10:09:55,626 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 10:09:55,626 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 10:09:55,627 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 10:09:55,627 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 10:09:55,627 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 10:09:55,628 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 10:09:55,628 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 10:09:55,628 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 10:09:55,629 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 10:09:55,629 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 10:09:55,631 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 10:09:55,632 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 10:09:55,632 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 10:09:55,632 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 10:09:55,632 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 10:09:55,633 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 10:09:55,633 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 10:09:55,633 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 10:09:55,633 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 10:09:55,633 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 10:09:55,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 10:09:55,634 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 10:09:55,634 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 10:09:55,634 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 10:09:55,634 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 10:09:55,634 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 10:09:55,634 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 10:09:55,634 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 10:09:55,634 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 10:09:55,634 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 10:09:55,635 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e06474b5b375934522ecdd69dd223d4be0b8939557fa13673cd9512102447ff6 [2024-11-16 10:09:55,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 10:09:55,891 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 10:09:55,893 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 10:09:55,894 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 10:09:55,894 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 10:09:55,895 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w32_d8_e0.c [2024-11-16 10:09:57,112 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 10:09:57,363 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 10:09:57,364 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w32_d8_e0.c [2024-11-16 10:09:57,384 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8014dea4/aea9880dd541454ab2e9ec574702d58f/FLAGa04c090a1 [2024-11-16 10:09:57,685 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8014dea4/aea9880dd541454ab2e9ec574702d58f [2024-11-16 10:09:57,688 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 10:09:57,690 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 10:09:57,692 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 10:09:57,692 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 10:09:57,696 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 10:09:57,697 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:09:57" (1/1) ... [2024-11-16 10:09:57,697 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d5586fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:09:57, skipping insertion in model container [2024-11-16 10:09:57,697 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 10:09:57" (1/1) ... [2024-11-16 10:09:57,739 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 10:09:57,907 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w32_d8_e0.c[1270,1283] [2024-11-16 10:09:58,185 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 10:09:58,195 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 10:09:58,204 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w32_d8_e0.c[1270,1283] [2024-11-16 10:09:58,297 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 10:09:58,310 INFO L204 MainTranslator]: Completed translation [2024-11-16 10:09:58,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:09:58 WrapperNode [2024-11-16 10:09:58,311 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 10:09:58,312 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 10:09:58,312 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 10:09:58,312 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 10:09:58,317 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:09:58" (1/1) ... [2024-11-16 10:09:58,362 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:09:58" (1/1) ... [2024-11-16 10:09:58,602 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3630 [2024-11-16 10:09:58,603 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 10:09:58,603 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 10:09:58,604 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 10:09:58,604 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 10:09:58,612 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:09:58" (1/1) ... [2024-11-16 10:09:58,613 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:09:58" (1/1) ... [2024-11-16 10:09:58,658 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:09:58" (1/1) ... [2024-11-16 10:09:58,816 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-16 10:09:58,816 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:09:58" (1/1) ... [2024-11-16 10:09:58,817 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:09:58" (1/1) ... [2024-11-16 10:09:58,880 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:09:58" (1/1) ... [2024-11-16 10:09:58,891 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:09:58" (1/1) ... [2024-11-16 10:09:58,906 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:09:58" (1/1) ... [2024-11-16 10:09:58,924 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:09:58" (1/1) ... [2024-11-16 10:09:58,962 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 10:09:58,963 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 10:09:58,963 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 10:09:58,964 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 10:09:58,964 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:09:58" (1/1) ... [2024-11-16 10:09:58,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 10:09:58,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 10:09:58,994 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 10:09:58,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 10:09:59,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 10:09:59,030 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 10:09:59,030 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 10:09:59,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 10:09:59,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 10:09:59,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 10:09:59,299 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 10:09:59,301 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 10:10:02,234 INFO L? ?]: Removed 1956 outVars from TransFormulas that were not future-live. [2024-11-16 10:10:02,234 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 10:10:02,345 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 10:10:02,345 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 10:10:02,346 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 10:10:02 BoogieIcfgContainer [2024-11-16 10:10:02,346 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 10:10:02,348 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 10:10:02,348 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 10:10:02,350 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 10:10:02,350 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 10:09:57" (1/3) ... [2024-11-16 10:10:02,351 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@830441 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 10:10:02, skipping insertion in model container [2024-11-16 10:10:02,351 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 10:09:58" (2/3) ... [2024-11-16 10:10:02,351 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@830441 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 10:10:02, skipping insertion in model container [2024-11-16 10:10:02,351 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 10:10:02" (3/3) ... [2024-11-16 10:10:02,352 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.arbitrated_top_n2_w32_d8_e0.c [2024-11-16 10:10:02,366 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 10:10:02,366 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 10:10:02,433 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 10:10:02,437 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;@5f8197cb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 10:10:02,438 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 10:10:02,444 INFO L276 IsEmpty]: Start isEmpty. Operand has 1163 states, 1153 states have (on average 1.4943625325238508) internal successors, (1723), 1154 states have internal predecessors, (1723), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-16 10:10:02,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 457 [2024-11-16 10:10:02,464 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 10:10:02,465 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 10:10:02,465 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 10:10:02,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 10:10:02,470 INFO L85 PathProgramCache]: Analyzing trace with hash -1898501388, now seen corresponding path program 1 times [2024-11-16 10:10:02,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 10:10:02,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119440698] [2024-11-16 10:10:02,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 10:10:02,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 10:10:02,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:03,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 10:10:03,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:03,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 10:10:03,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:03,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-16 10:10:03,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:03,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-16 10:10:03,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:03,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-16 10:10:03,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:03,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 10:10:03,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:03,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-16 10:10:03,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:03,140 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-16 10:10:03,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 10:10:03,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119440698] [2024-11-16 10:10:03,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119440698] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 10:10:03,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 10:10:03,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 10:10:03,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433125260] [2024-11-16 10:10:03,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 10:10:03,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 10:10:03,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 10:10:03,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 10:10:03,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 10:10:03,173 INFO L87 Difference]: Start difference. First operand has 1163 states, 1153 states have (on average 1.4943625325238508) internal successors, (1723), 1154 states have internal predecessors, (1723), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 212.0) internal successors, (424), 2 states have internal predecessors, (424), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-16 10:10:03,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 10:10:03,532 INFO L93 Difference]: Finished difference Result 2203 states and 3301 transitions. [2024-11-16 10:10:03,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 10:10:03,538 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 212.0) internal successors, (424), 2 states have internal predecessors, (424), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) Word has length 456 [2024-11-16 10:10:03,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 10:10:03,555 INFO L225 Difference]: With dead ends: 2203 [2024-11-16 10:10:03,556 INFO L226 Difference]: Without dead ends: 1158 [2024-11-16 10:10:03,562 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 10:10:03,567 INFO L432 NwaCegarLoop]: 1447 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1447 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 10:10:03,568 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1447 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 10:10:03,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2024-11-16 10:10:03,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 1158. [2024-11-16 10:10:03,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1158 states, 1149 states have (on average 1.4934725848563968) internal successors, (1716), 1149 states have internal predecessors, (1716), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-16 10:10:03,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 1158 states and 1730 transitions. [2024-11-16 10:10:03,638 INFO L78 Accepts]: Start accepts. Automaton has 1158 states and 1730 transitions. Word has length 456 [2024-11-16 10:10:03,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 10:10:03,640 INFO L471 AbstractCegarLoop]: Abstraction has 1158 states and 1730 transitions. [2024-11-16 10:10:03,640 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 212.0) internal successors, (424), 2 states have internal predecessors, (424), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-16 10:10:03,640 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 1730 transitions. [2024-11-16 10:10:03,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 457 [2024-11-16 10:10:03,651 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 10:10:03,651 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 10:10:03,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 10:10:03,652 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 10:10:03,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 10:10:03,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1221318331, now seen corresponding path program 1 times [2024-11-16 10:10:03,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 10:10:03,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111066677] [2024-11-16 10:10:03,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 10:10:03,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 10:10:03,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:05,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 10:10:05,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:05,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 10:10:05,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:05,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-16 10:10:05,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:05,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-16 10:10:05,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:05,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-16 10:10:05,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:05,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 10:10:05,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:05,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-16 10:10:05,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:05,300 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-16 10:10:05,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 10:10:05,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111066677] [2024-11-16 10:10:05,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111066677] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 10:10:05,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 10:10:05,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 10:10:05,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299615776] [2024-11-16 10:10:05,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 10:10:05,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 10:10:05,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 10:10:05,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 10:10:05,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 10:10:05,307 INFO L87 Difference]: Start difference. First operand 1158 states and 1730 transitions. Second operand has 4 states, 4 states have (on average 106.0) internal successors, (424), 4 states have internal predecessors, (424), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-16 10:10:05,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 10:10:05,778 INFO L93 Difference]: Finished difference Result 1163 states and 1735 transitions. [2024-11-16 10:10:05,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 10:10:05,779 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 106.0) internal successors, (424), 4 states have internal predecessors, (424), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 456 [2024-11-16 10:10:05,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 10:10:05,785 INFO L225 Difference]: With dead ends: 1163 [2024-11-16 10:10:05,785 INFO L226 Difference]: Without dead ends: 1160 [2024-11-16 10:10:05,786 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 10:10:05,786 INFO L432 NwaCegarLoop]: 1445 mSDtfsCounter, 0 mSDsluCounter, 2885 mSDsCounter, 0 mSdLazyCounter, 859 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4330 SdHoareTripleChecker+Invalid, 859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 859 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 10:10:05,787 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4330 Invalid, 859 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 859 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 10:10:05,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2024-11-16 10:10:05,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 1160. [2024-11-16 10:10:05,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1160 states, 1151 states have (on average 1.4926151172893136) internal successors, (1718), 1151 states have internal predecessors, (1718), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-16 10:10:05,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 1160 states and 1732 transitions. [2024-11-16 10:10:05,810 INFO L78 Accepts]: Start accepts. Automaton has 1160 states and 1732 transitions. Word has length 456 [2024-11-16 10:10:05,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 10:10:05,813 INFO L471 AbstractCegarLoop]: Abstraction has 1160 states and 1732 transitions. [2024-11-16 10:10:05,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 106.0) internal successors, (424), 4 states have internal predecessors, (424), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-16 10:10:05,813 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 1732 transitions. [2024-11-16 10:10:05,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2024-11-16 10:10:05,815 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 10:10:05,816 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 10:10:05,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 10:10:05,816 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 10:10:05,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 10:10:05,817 INFO L85 PathProgramCache]: Analyzing trace with hash -648783473, now seen corresponding path program 1 times [2024-11-16 10:10:05,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 10:10:05,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437853973] [2024-11-16 10:10:05,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 10:10:05,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 10:10:06,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:06,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 10:10:06,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:06,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 10:10:06,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:06,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-16 10:10:06,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:06,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-16 10:10:06,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:06,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-16 10:10:06,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:06,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 10:10:06,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:06,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-16 10:10:06,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:06,644 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-16 10:10:06,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 10:10:06,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437853973] [2024-11-16 10:10:06,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437853973] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 10:10:06,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 10:10:06,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 10:10:06,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734006673] [2024-11-16 10:10:06,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 10:10:06,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 10:10:06,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 10:10:06,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 10:10:06,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 10:10:06,648 INFO L87 Difference]: Start difference. First operand 1160 states and 1732 transitions. Second operand has 5 states, 5 states have (on average 85.0) internal successors, (425), 5 states have internal predecessors, (425), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-16 10:10:07,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 10:10:07,660 INFO L93 Difference]: Finished difference Result 3121 states and 4665 transitions. [2024-11-16 10:10:07,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 10:10:07,661 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 85.0) internal successors, (425), 5 states have internal predecessors, (425), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 457 [2024-11-16 10:10:07,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 10:10:07,665 INFO L225 Difference]: With dead ends: 3121 [2024-11-16 10:10:07,665 INFO L226 Difference]: Without dead ends: 1160 [2024-11-16 10:10:07,667 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-16 10:10:07,668 INFO L432 NwaCegarLoop]: 1523 mSDtfsCounter, 3745 mSDsluCounter, 2738 mSDsCounter, 0 mSdLazyCounter, 1311 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3745 SdHoareTripleChecker+Valid, 4261 SdHoareTripleChecker+Invalid, 1374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 1311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-16 10:10:07,668 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3745 Valid, 4261 Invalid, 1374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 1311 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-16 10:10:07,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2024-11-16 10:10:07,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 1160. [2024-11-16 10:10:07,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1160 states, 1151 states have (on average 1.4917463075586446) internal successors, (1717), 1151 states have internal predecessors, (1717), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-16 10:10:07,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 1160 states and 1731 transitions. [2024-11-16 10:10:07,686 INFO L78 Accepts]: Start accepts. Automaton has 1160 states and 1731 transitions. Word has length 457 [2024-11-16 10:10:07,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 10:10:07,687 INFO L471 AbstractCegarLoop]: Abstraction has 1160 states and 1731 transitions. [2024-11-16 10:10:07,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 85.0) internal successors, (425), 5 states have internal predecessors, (425), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-16 10:10:07,687 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 1731 transitions. [2024-11-16 10:10:07,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2024-11-16 10:10:07,689 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 10:10:07,690 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 10:10:07,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 10:10:07,690 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 10:10:07,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 10:10:07,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1556661944, now seen corresponding path program 1 times [2024-11-16 10:10:07,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 10:10:07,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475105864] [2024-11-16 10:10:07,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 10:10:07,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 10:10:07,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:08,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 10:10:08,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:08,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 10:10:08,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:08,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-16 10:10:08,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:08,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-16 10:10:08,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:08,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-16 10:10:08,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:08,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 10:10:08,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:08,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-16 10:10:08,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:08,608 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-16 10:10:08,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 10:10:08,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475105864] [2024-11-16 10:10:08,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475105864] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 10:10:08,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 10:10:08,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 10:10:08,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976402154] [2024-11-16 10:10:08,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 10:10:08,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 10:10:08,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 10:10:08,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 10:10:08,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 10:10:08,611 INFO L87 Difference]: Start difference. First operand 1160 states and 1731 transitions. Second operand has 5 states, 5 states have (on average 85.2) internal successors, (426), 5 states have internal predecessors, (426), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-16 10:10:09,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 10:10:09,327 INFO L93 Difference]: Finished difference Result 2202 states and 3286 transitions. [2024-11-16 10:10:09,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 10:10:09,330 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 85.2) internal successors, (426), 5 states have internal predecessors, (426), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 458 [2024-11-16 10:10:09,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 10:10:09,334 INFO L225 Difference]: With dead ends: 2202 [2024-11-16 10:10:09,334 INFO L226 Difference]: Without dead ends: 1160 [2024-11-16 10:10:09,335 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-16 10:10:09,336 INFO L432 NwaCegarLoop]: 1193 mSDtfsCounter, 1577 mSDsluCounter, 1206 mSDsCounter, 0 mSdLazyCounter, 1076 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1584 SdHoareTripleChecker+Valid, 2399 SdHoareTripleChecker+Invalid, 1077 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1076 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-16 10:10:09,337 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1584 Valid, 2399 Invalid, 1077 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1076 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-16 10:10:09,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2024-11-16 10:10:09,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 1160. [2024-11-16 10:10:09,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1160 states, 1151 states have (on average 1.4908774978279757) internal successors, (1716), 1151 states have internal predecessors, (1716), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-16 10:10:09,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 1160 states and 1730 transitions. [2024-11-16 10:10:09,358 INFO L78 Accepts]: Start accepts. Automaton has 1160 states and 1730 transitions. Word has length 458 [2024-11-16 10:10:09,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 10:10:09,359 INFO L471 AbstractCegarLoop]: Abstraction has 1160 states and 1730 transitions. [2024-11-16 10:10:09,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 85.2) internal successors, (426), 5 states have internal predecessors, (426), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-16 10:10:09,359 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 1730 transitions. [2024-11-16 10:10:09,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2024-11-16 10:10:09,362 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 10:10:09,362 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 10:10:09,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 10:10:09,363 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 10:10:09,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 10:10:09,363 INFO L85 PathProgramCache]: Analyzing trace with hash -2089842816, now seen corresponding path program 1 times [2024-11-16 10:10:09,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 10:10:09,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977585682] [2024-11-16 10:10:09,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 10:10:09,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 10:10:09,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:09,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 10:10:09,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:09,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 10:10:10,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:10,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-16 10:10:10,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:10,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-16 10:10:10,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:10,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-16 10:10:10,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:10,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 10:10:10,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:10,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-16 10:10:10,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:10,013 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-16 10:10:10,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 10:10:10,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977585682] [2024-11-16 10:10:10,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977585682] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 10:10:10,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 10:10:10,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 10:10:10,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836233584] [2024-11-16 10:10:10,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 10:10:10,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 10:10:10,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 10:10:10,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 10:10:10,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 10:10:10,016 INFO L87 Difference]: Start difference. First operand 1160 states and 1730 transitions. Second operand has 4 states, 4 states have (on average 106.75) internal successors, (427), 4 states have internal predecessors, (427), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-16 10:10:10,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 10:10:10,495 INFO L93 Difference]: Finished difference Result 2204 states and 3287 transitions. [2024-11-16 10:10:10,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 10:10:10,495 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 106.75) internal successors, (427), 4 states have internal predecessors, (427), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 459 [2024-11-16 10:10:10,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 10:10:10,498 INFO L225 Difference]: With dead ends: 2204 [2024-11-16 10:10:10,498 INFO L226 Difference]: Without dead ends: 1162 [2024-11-16 10:10:10,499 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 10:10:10,500 INFO L432 NwaCegarLoop]: 1443 mSDtfsCounter, 0 mSDsluCounter, 2878 mSDsCounter, 0 mSdLazyCounter, 862 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4321 SdHoareTripleChecker+Invalid, 862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 862 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 10:10:10,500 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4321 Invalid, 862 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 862 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 10:10:10,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1162 states. [2024-11-16 10:10:10,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1162 to 1162. [2024-11-16 10:10:10,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1162 states, 1153 states have (on average 1.4900260190806591) internal successors, (1718), 1153 states have internal predecessors, (1718), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-16 10:10:10,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 1162 states and 1732 transitions. [2024-11-16 10:10:10,515 INFO L78 Accepts]: Start accepts. Automaton has 1162 states and 1732 transitions. Word has length 459 [2024-11-16 10:10:10,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 10:10:10,516 INFO L471 AbstractCegarLoop]: Abstraction has 1162 states and 1732 transitions. [2024-11-16 10:10:10,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 106.75) internal successors, (427), 4 states have internal predecessors, (427), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-16 10:10:10,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1162 states and 1732 transitions. [2024-11-16 10:10:10,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 461 [2024-11-16 10:10:10,518 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 10:10:10,518 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 10:10:10,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 10:10:10,519 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 10:10:10,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 10:10:10,519 INFO L85 PathProgramCache]: Analyzing trace with hash -613373745, now seen corresponding path program 1 times [2024-11-16 10:10:10,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 10:10:10,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413696835] [2024-11-16 10:10:10,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 10:10:10,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 10:10:10,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:11,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 10:10:11,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:11,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 10:10:11,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:11,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-16 10:10:11,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:11,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-16 10:10:11,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:11,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-16 10:10:11,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:11,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 10:10:11,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:11,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-16 10:10:11,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:11,452 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-16 10:10:11,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 10:10:11,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413696835] [2024-11-16 10:10:11,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413696835] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 10:10:11,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 10:10:11,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 10:10:11,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787141012] [2024-11-16 10:10:11,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 10:10:11,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 10:10:11,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 10:10:11,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 10:10:11,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 10:10:11,455 INFO L87 Difference]: Start difference. First operand 1162 states and 1732 transitions. Second operand has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-16 10:10:11,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 10:10:11,880 INFO L93 Difference]: Finished difference Result 2206 states and 3288 transitions. [2024-11-16 10:10:11,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 10:10:11,881 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 460 [2024-11-16 10:10:11,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 10:10:11,884 INFO L225 Difference]: With dead ends: 2206 [2024-11-16 10:10:11,885 INFO L226 Difference]: Without dead ends: 1162 [2024-11-16 10:10:11,886 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 10:10:11,886 INFO L432 NwaCegarLoop]: 1401 mSDtfsCounter, 1432 mSDsluCounter, 1403 mSDsCounter, 0 mSdLazyCounter, 656 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1432 SdHoareTripleChecker+Valid, 2804 SdHoareTripleChecker+Invalid, 657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 10:10:11,887 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1432 Valid, 2804 Invalid, 657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 656 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 10:10:11,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1162 states. [2024-11-16 10:10:11,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1162 to 1162. [2024-11-16 10:10:11,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1162 states, 1153 states have (on average 1.4882914137033825) internal successors, (1716), 1153 states have internal predecessors, (1716), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-16 10:10:11,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 1162 states and 1730 transitions. [2024-11-16 10:10:11,901 INFO L78 Accepts]: Start accepts. Automaton has 1162 states and 1730 transitions. Word has length 460 [2024-11-16 10:10:11,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 10:10:11,902 INFO L471 AbstractCegarLoop]: Abstraction has 1162 states and 1730 transitions. [2024-11-16 10:10:11,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 107.0) internal successors, (428), 4 states have internal predecessors, (428), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-16 10:10:11,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1162 states and 1730 transitions. [2024-11-16 10:10:11,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 463 [2024-11-16 10:10:11,904 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 10:10:11,905 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 10:10:11,905 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 10:10:11,905 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 10:10:11,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 10:10:11,905 INFO L85 PathProgramCache]: Analyzing trace with hash 746361456, now seen corresponding path program 1 times [2024-11-16 10:10:11,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 10:10:11,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541041842] [2024-11-16 10:10:11,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 10:10:11,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 10:10:12,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:12,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 10:10:12,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:12,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 10:10:12,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:12,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-16 10:10:12,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:12,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-16 10:10:12,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:12,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-16 10:10:12,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:12,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 10:10:12,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:12,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-16 10:10:12,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:12,587 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-16 10:10:12,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 10:10:12,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541041842] [2024-11-16 10:10:12,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541041842] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 10:10:12,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 10:10:12,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 10:10:12,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327556893] [2024-11-16 10:10:12,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 10:10:12,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 10:10:12,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 10:10:12,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 10:10:12,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-16 10:10:12,592 INFO L87 Difference]: Start difference. First operand 1162 states and 1730 transitions. Second operand has 5 states, 5 states have (on average 86.0) internal successors, (430), 5 states have internal predecessors, (430), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-16 10:10:13,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 10:10:13,098 INFO L93 Difference]: Finished difference Result 2468 states and 3675 transitions. [2024-11-16 10:10:13,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 10:10:13,098 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 86.0) internal successors, (430), 5 states have internal predecessors, (430), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 462 [2024-11-16 10:10:13,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 10:10:13,104 INFO L225 Difference]: With dead ends: 2468 [2024-11-16 10:10:13,108 INFO L226 Difference]: Without dead ends: 1162 [2024-11-16 10:10:13,109 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-16 10:10:13,110 INFO L432 NwaCegarLoop]: 1433 mSDtfsCounter, 2209 mSDsluCounter, 2842 mSDsCounter, 0 mSdLazyCounter, 910 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2209 SdHoareTripleChecker+Valid, 4275 SdHoareTripleChecker+Invalid, 912 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 10:10:13,110 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2209 Valid, 4275 Invalid, 912 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 910 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 10:10:13,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1162 states. [2024-11-16 10:10:13,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1162 to 1162. [2024-11-16 10:10:13,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1162 states, 1153 states have (on average 1.4874241110147441) internal successors, (1715), 1153 states have internal predecessors, (1715), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-16 10:10:13,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 1162 states and 1729 transitions. [2024-11-16 10:10:13,125 INFO L78 Accepts]: Start accepts. Automaton has 1162 states and 1729 transitions. Word has length 462 [2024-11-16 10:10:13,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 10:10:13,126 INFO L471 AbstractCegarLoop]: Abstraction has 1162 states and 1729 transitions. [2024-11-16 10:10:13,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 86.0) internal successors, (430), 5 states have internal predecessors, (430), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-16 10:10:13,126 INFO L276 IsEmpty]: Start isEmpty. Operand 1162 states and 1729 transitions. [2024-11-16 10:10:13,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2024-11-16 10:10:13,128 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 10:10:13,128 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 10:10:13,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 10:10:13,129 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 10:10:13,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 10:10:13,129 INFO L85 PathProgramCache]: Analyzing trace with hash -801440910, now seen corresponding path program 1 times [2024-11-16 10:10:13,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 10:10:13,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119017589] [2024-11-16 10:10:13,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 10:10:13,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 10:10:13,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:13,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 10:10:13,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:13,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 10:10:13,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:13,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-16 10:10:13,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:13,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-16 10:10:13,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:13,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-16 10:10:13,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:13,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 10:10:13,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:13,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-16 10:10:13,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:13,687 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-16 10:10:13,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 10:10:13,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119017589] [2024-11-16 10:10:13,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119017589] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 10:10:13,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 10:10:13,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 10:10:13,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294895974] [2024-11-16 10:10:13,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 10:10:13,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 10:10:13,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 10:10:13,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 10:10:13,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 10:10:13,691 INFO L87 Difference]: Start difference. First operand 1162 states and 1729 transitions. Second operand has 5 states, 5 states have (on average 86.2) internal successors, (431), 5 states have internal predecessors, (431), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-16 10:10:14,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 10:10:14,104 INFO L93 Difference]: Finished difference Result 2206 states and 3282 transitions. [2024-11-16 10:10:14,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 10:10:14,104 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 86.2) internal successors, (431), 5 states have internal predecessors, (431), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 463 [2024-11-16 10:10:14,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 10:10:14,108 INFO L225 Difference]: With dead ends: 2206 [2024-11-16 10:10:14,108 INFO L226 Difference]: Without dead ends: 1162 [2024-11-16 10:10:14,109 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-16 10:10:14,110 INFO L432 NwaCegarLoop]: 1401 mSDtfsCounter, 3265 mSDsluCounter, 1403 mSDsCounter, 0 mSdLazyCounter, 652 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3272 SdHoareTripleChecker+Valid, 2804 SdHoareTripleChecker+Invalid, 653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 652 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 10:10:14,111 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3272 Valid, 2804 Invalid, 653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 652 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 10:10:14,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1162 states. [2024-11-16 10:10:14,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1162 to 1162. [2024-11-16 10:10:14,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1162 states, 1153 states have (on average 1.4865568083261058) internal successors, (1714), 1153 states have internal predecessors, (1714), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-16 10:10:14,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 1162 states and 1728 transitions. [2024-11-16 10:10:14,126 INFO L78 Accepts]: Start accepts. Automaton has 1162 states and 1728 transitions. Word has length 463 [2024-11-16 10:10:14,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 10:10:14,126 INFO L471 AbstractCegarLoop]: Abstraction has 1162 states and 1728 transitions. [2024-11-16 10:10:14,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 86.2) internal successors, (431), 5 states have internal predecessors, (431), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-16 10:10:14,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1162 states and 1728 transitions. [2024-11-16 10:10:14,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2024-11-16 10:10:14,129 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 10:10:14,129 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 10:10:14,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 10:10:14,129 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 10:10:14,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 10:10:14,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1499358581, now seen corresponding path program 1 times [2024-11-16 10:10:14,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 10:10:14,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961496557] [2024-11-16 10:10:14,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 10:10:14,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 10:10:14,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:14,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 10:10:14,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:14,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 10:10:14,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:14,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-16 10:10:14,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:14,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-16 10:10:14,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:14,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-16 10:10:14,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:14,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 10:10:14,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:14,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-16 10:10:14,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:14,672 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-16 10:10:14,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 10:10:14,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961496557] [2024-11-16 10:10:14,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961496557] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 10:10:14,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 10:10:14,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 10:10:14,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127428911] [2024-11-16 10:10:14,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 10:10:14,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 10:10:14,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 10:10:14,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 10:10:14,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 10:10:14,675 INFO L87 Difference]: Start difference. First operand 1162 states and 1728 transitions. Second operand has 5 states, 5 states have (on average 86.4) internal successors, (432), 5 states have internal predecessors, (432), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-16 10:10:15,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 10:10:15,114 INFO L93 Difference]: Finished difference Result 2206 states and 3280 transitions. [2024-11-16 10:10:15,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 10:10:15,116 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 86.4) internal successors, (432), 5 states have internal predecessors, (432), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 464 [2024-11-16 10:10:15,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 10:10:15,119 INFO L225 Difference]: With dead ends: 2206 [2024-11-16 10:10:15,119 INFO L226 Difference]: Without dead ends: 1162 [2024-11-16 10:10:15,120 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-16 10:10:15,121 INFO L432 NwaCegarLoop]: 1401 mSDtfsCounter, 2987 mSDsluCounter, 1403 mSDsCounter, 0 mSdLazyCounter, 650 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2994 SdHoareTripleChecker+Valid, 2804 SdHoareTripleChecker+Invalid, 651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 650 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 10:10:15,122 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2994 Valid, 2804 Invalid, 651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 650 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 10:10:15,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1162 states. [2024-11-16 10:10:15,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1162 to 1162. [2024-11-16 10:10:15,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1162 states, 1153 states have (on average 1.4856895056374675) internal successors, (1713), 1153 states have internal predecessors, (1713), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-16 10:10:15,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 1162 states and 1727 transitions. [2024-11-16 10:10:15,141 INFO L78 Accepts]: Start accepts. Automaton has 1162 states and 1727 transitions. Word has length 464 [2024-11-16 10:10:15,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 10:10:15,141 INFO L471 AbstractCegarLoop]: Abstraction has 1162 states and 1727 transitions. [2024-11-16 10:10:15,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 86.4) internal successors, (432), 5 states have internal predecessors, (432), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-16 10:10:15,142 INFO L276 IsEmpty]: Start isEmpty. Operand 1162 states and 1727 transitions. [2024-11-16 10:10:15,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 466 [2024-11-16 10:10:15,145 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 10:10:15,145 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 10:10:15,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 10:10:15,146 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 10:10:15,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 10:10:15,146 INFO L85 PathProgramCache]: Analyzing trace with hash 348347669, now seen corresponding path program 1 times [2024-11-16 10:10:15,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 10:10:15,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019969308] [2024-11-16 10:10:15,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 10:10:15,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 10:10:15,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:16,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 10:10:16,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:16,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 10:10:16,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:16,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-16 10:10:16,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:16,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-16 10:10:16,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:16,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-16 10:10:16,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:16,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2024-11-16 10:10:16,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:16,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-16 10:10:16,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:16,379 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-16 10:10:16,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 10:10:16,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019969308] [2024-11-16 10:10:16,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019969308] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 10:10:16,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 10:10:16,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 10:10:16,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299000144] [2024-11-16 10:10:16,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 10:10:16,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 10:10:16,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 10:10:16,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 10:10:16,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 10:10:16,382 INFO L87 Difference]: Start difference. First operand 1162 states and 1727 transitions. Second operand has 6 states, 6 states have (on average 72.16666666666667) internal successors, (433), 6 states have internal predecessors, (433), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-16 10:10:17,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 10:10:17,361 INFO L93 Difference]: Finished difference Result 3335 states and 4958 transitions. [2024-11-16 10:10:17,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 10:10:17,362 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 72.16666666666667) internal successors, (433), 6 states have internal predecessors, (433), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 465 [2024-11-16 10:10:17,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 10:10:17,368 INFO L225 Difference]: With dead ends: 3335 [2024-11-16 10:10:17,368 INFO L226 Difference]: Without dead ends: 2191 [2024-11-16 10:10:17,370 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-16 10:10:17,371 INFO L432 NwaCegarLoop]: 1475 mSDtfsCounter, 1628 mSDsluCounter, 5584 mSDsCounter, 0 mSdLazyCounter, 1738 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1633 SdHoareTripleChecker+Valid, 7059 SdHoareTripleChecker+Invalid, 1750 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-16 10:10:17,371 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1633 Valid, 7059 Invalid, 1750 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1738 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-16 10:10:17,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2191 states. [2024-11-16 10:10:17,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2191 to 1221. [2024-11-16 10:10:17,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1221 states, 1210 states have (on average 1.484297520661157) internal successors, (1796), 1210 states have internal predecessors, (1796), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-16 10:10:17,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 1221 states and 1814 transitions. [2024-11-16 10:10:17,390 INFO L78 Accepts]: Start accepts. Automaton has 1221 states and 1814 transitions. Word has length 465 [2024-11-16 10:10:17,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 10:10:17,390 INFO L471 AbstractCegarLoop]: Abstraction has 1221 states and 1814 transitions. [2024-11-16 10:10:17,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 72.16666666666667) internal successors, (433), 6 states have internal predecessors, (433), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-16 10:10:17,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 1814 transitions. [2024-11-16 10:10:17,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2024-11-16 10:10:17,393 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 10:10:17,393 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 10:10:17,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 10:10:17,394 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 10:10:17,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 10:10:17,394 INFO L85 PathProgramCache]: Analyzing trace with hash -1624643526, now seen corresponding path program 1 times [2024-11-16 10:10:17,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 10:10:17,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414702776] [2024-11-16 10:10:17,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 10:10:17,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 10:10:18,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:18,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 10:10:18,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:18,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 10:10:18,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:18,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 10:10:18,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:18,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 10:10:18,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:18,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-16 10:10:18,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:18,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-16 10:10:18,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:18,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 10:10:18,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:18,608 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-16 10:10:18,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 10:10:18,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414702776] [2024-11-16 10:10:18,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414702776] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 10:10:18,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 10:10:18,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 10:10:18,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212719955] [2024-11-16 10:10:18,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 10:10:18,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 10:10:18,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 10:10:18,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 10:10:18,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-16 10:10:18,611 INFO L87 Difference]: Start difference. First operand 1221 states and 1814 transitions. Second operand has 4 states, 4 states have (on average 108.5) internal successors, (434), 4 states have internal predecessors, (434), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-16 10:10:19,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 10:10:19,184 INFO L93 Difference]: Finished difference Result 2265 states and 3365 transitions. [2024-11-16 10:10:19,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 10:10:19,184 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 108.5) internal successors, (434), 4 states have internal predecessors, (434), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 466 [2024-11-16 10:10:19,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 10:10:19,187 INFO L225 Difference]: With dead ends: 2265 [2024-11-16 10:10:19,188 INFO L226 Difference]: Without dead ends: 1221 [2024-11-16 10:10:19,189 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-16 10:10:19,189 INFO L432 NwaCegarLoop]: 1202 mSDtfsCounter, 1508 mSDsluCounter, 1190 mSDsCounter, 0 mSdLazyCounter, 1049 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1510 SdHoareTripleChecker+Valid, 2392 SdHoareTripleChecker+Invalid, 1050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1049 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 10:10:19,190 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1510 Valid, 2392 Invalid, 1050 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1049 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 10:10:19,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1221 states. [2024-11-16 10:10:19,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1221 to 1221. [2024-11-16 10:10:19,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1221 states, 1210 states have (on average 1.4834710743801653) internal successors, (1795), 1210 states have internal predecessors, (1795), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-16 10:10:19,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 1221 states and 1813 transitions. [2024-11-16 10:10:19,205 INFO L78 Accepts]: Start accepts. Automaton has 1221 states and 1813 transitions. Word has length 466 [2024-11-16 10:10:19,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 10:10:19,206 INFO L471 AbstractCegarLoop]: Abstraction has 1221 states and 1813 transitions. [2024-11-16 10:10:19,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 108.5) internal successors, (434), 4 states have internal predecessors, (434), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-16 10:10:19,206 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 1813 transitions. [2024-11-16 10:10:19,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2024-11-16 10:10:19,208 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 10:10:19,208 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 10:10:19,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 10:10:19,209 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 10:10:19,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 10:10:19,209 INFO L85 PathProgramCache]: Analyzing trace with hash -326239063, now seen corresponding path program 1 times [2024-11-16 10:10:19,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 10:10:19,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17853806] [2024-11-16 10:10:19,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 10:10:19,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 10:10:19,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:20,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 10:10:20,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:20,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 10:10:20,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:20,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-16 10:10:20,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:20,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-16 10:10:20,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:20,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-16 10:10:20,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:20,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-16 10:10:20,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:20,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-16 10:10:20,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:20,625 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-16 10:10:20,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 10:10:20,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17853806] [2024-11-16 10:10:20,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17853806] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 10:10:20,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 10:10:20,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 10:10:20,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212132734] [2024-11-16 10:10:20,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 10:10:20,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 10:10:20,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 10:10:20,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 10:10:20,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-16 10:10:20,627 INFO L87 Difference]: Start difference. First operand 1221 states and 1813 transitions. Second operand has 7 states, 7 states have (on average 62.142857142857146) internal successors, (435), 7 states have internal predecessors, (435), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-16 10:10:21,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 10:10:21,396 INFO L93 Difference]: Finished difference Result 2273 states and 3375 transitions. [2024-11-16 10:10:21,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 10:10:21,397 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 62.142857142857146) internal successors, (435), 7 states have internal predecessors, (435), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 467 [2024-11-16 10:10:21,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 10:10:21,402 INFO L225 Difference]: With dead ends: 2273 [2024-11-16 10:10:21,402 INFO L226 Difference]: Without dead ends: 1229 [2024-11-16 10:10:21,404 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-16 10:10:21,404 INFO L432 NwaCegarLoop]: 1418 mSDtfsCounter, 1630 mSDsluCounter, 5629 mSDsCounter, 0 mSdLazyCounter, 1551 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1635 SdHoareTripleChecker+Valid, 7047 SdHoareTripleChecker+Invalid, 1552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-16 10:10:21,404 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1635 Valid, 7047 Invalid, 1552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1551 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-16 10:10:21,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1229 states. [2024-11-16 10:10:21,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1229 to 1226. [2024-11-16 10:10:21,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1226 states, 1215 states have (on average 1.4823045267489712) internal successors, (1801), 1215 states have internal predecessors, (1801), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-16 10:10:21,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1226 states to 1226 states and 1819 transitions. [2024-11-16 10:10:21,421 INFO L78 Accepts]: Start accepts. Automaton has 1226 states and 1819 transitions. Word has length 467 [2024-11-16 10:10:21,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 10:10:21,422 INFO L471 AbstractCegarLoop]: Abstraction has 1226 states and 1819 transitions. [2024-11-16 10:10:21,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 62.142857142857146) internal successors, (435), 7 states have internal predecessors, (435), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-16 10:10:21,422 INFO L276 IsEmpty]: Start isEmpty. Operand 1226 states and 1819 transitions. [2024-11-16 10:10:21,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2024-11-16 10:10:21,425 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 10:10:21,426 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 10:10:21,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 10:10:21,426 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 10:10:21,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 10:10:21,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1328379358, now seen corresponding path program 1 times [2024-11-16 10:10:21,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 10:10:21,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833879844] [2024-11-16 10:10:21,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 10:10:21,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 10:10:21,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:21,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 10:10:21,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:21,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 10:10:21,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:21,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 10:10:21,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:21,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 10:10:22,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:22,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-16 10:10:22,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:22,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 10:10:22,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:22,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 10:10:22,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:22,006 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-16 10:10:22,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 10:10:22,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833879844] [2024-11-16 10:10:22,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833879844] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 10:10:22,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 10:10:22,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 10:10:22,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682741052] [2024-11-16 10:10:22,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 10:10:22,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 10:10:22,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 10:10:22,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 10:10:22,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-16 10:10:22,009 INFO L87 Difference]: Start difference. First operand 1226 states and 1819 transitions. Second operand has 6 states, 6 states have (on average 72.66666666666667) internal successors, (436), 6 states have internal predecessors, (436), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-16 10:10:22,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 10:10:22,851 INFO L93 Difference]: Finished difference Result 2279 states and 3381 transitions. [2024-11-16 10:10:22,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 10:10:22,852 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 72.66666666666667) internal successors, (436), 6 states have internal predecessors, (436), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 468 [2024-11-16 10:10:22,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 10:10:22,855 INFO L225 Difference]: With dead ends: 2279 [2024-11-16 10:10:22,855 INFO L226 Difference]: Without dead ends: 1230 [2024-11-16 10:10:22,856 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-16 10:10:22,857 INFO L432 NwaCegarLoop]: 1200 mSDtfsCounter, 1699 mSDsluCounter, 3558 mSDsCounter, 0 mSdLazyCounter, 2116 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1706 SdHoareTripleChecker+Valid, 4758 SdHoareTripleChecker+Invalid, 2117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-16 10:10:22,857 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1706 Valid, 4758 Invalid, 2117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2116 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-16 10:10:22,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1230 states. [2024-11-16 10:10:22,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1230 to 1228. [2024-11-16 10:10:22,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1228 states, 1217 states have (on average 1.4815119145439606) internal successors, (1803), 1217 states have internal predecessors, (1803), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-16 10:10:22,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1228 states to 1228 states and 1821 transitions. [2024-11-16 10:10:22,876 INFO L78 Accepts]: Start accepts. Automaton has 1228 states and 1821 transitions. Word has length 468 [2024-11-16 10:10:22,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 10:10:22,876 INFO L471 AbstractCegarLoop]: Abstraction has 1228 states and 1821 transitions. [2024-11-16 10:10:22,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 72.66666666666667) internal successors, (436), 6 states have internal predecessors, (436), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-16 10:10:22,876 INFO L276 IsEmpty]: Start isEmpty. Operand 1228 states and 1821 transitions. [2024-11-16 10:10:22,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2024-11-16 10:10:22,880 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 10:10:22,880 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 10:10:22,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 10:10:22,881 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 10:10:22,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 10:10:22,881 INFO L85 PathProgramCache]: Analyzing trace with hash -248753192, now seen corresponding path program 1 times [2024-11-16 10:10:22,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 10:10:22,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679809300] [2024-11-16 10:10:22,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 10:10:22,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 10:10:23,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:23,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 10:10:23,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:23,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 10:10:23,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:23,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-16 10:10:23,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:23,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-16 10:10:23,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:23,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-16 10:10:23,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:23,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2024-11-16 10:10:23,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:23,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-16 10:10:23,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:23,579 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-16 10:10:23,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 10:10:23,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679809300] [2024-11-16 10:10:23,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679809300] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 10:10:23,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 10:10:23,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 10:10:23,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873182717] [2024-11-16 10:10:23,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 10:10:23,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 10:10:23,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 10:10:23,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 10:10:23,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 10:10:23,582 INFO L87 Difference]: Start difference. First operand 1228 states and 1821 transitions. Second operand has 5 states, 5 states have (on average 87.2) internal successors, (436), 5 states have internal predecessors, (436), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-16 10:10:24,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 10:10:24,345 INFO L93 Difference]: Finished difference Result 2281 states and 3382 transitions. [2024-11-16 10:10:24,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 10:10:24,346 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 87.2) internal successors, (436), 5 states have internal predecessors, (436), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 468 [2024-11-16 10:10:24,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 10:10:24,352 INFO L225 Difference]: With dead ends: 2281 [2024-11-16 10:10:24,352 INFO L226 Difference]: Without dead ends: 1230 [2024-11-16 10:10:24,353 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 10:10:24,354 INFO L432 NwaCegarLoop]: 1201 mSDtfsCounter, 1700 mSDsluCounter, 2344 mSDsCounter, 0 mSdLazyCounter, 1620 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1707 SdHoareTripleChecker+Valid, 3545 SdHoareTripleChecker+Invalid, 1622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-16 10:10:24,354 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1707 Valid, 3545 Invalid, 1622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1620 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-16 10:10:24,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1230 states. [2024-11-16 10:10:24,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1230 to 1230. [2024-11-16 10:10:24,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1230 states, 1219 states have (on average 1.4807219031993437) internal successors, (1805), 1219 states have internal predecessors, (1805), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-16 10:10:24,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1230 states to 1230 states and 1823 transitions. [2024-11-16 10:10:24,368 INFO L78 Accepts]: Start accepts. Automaton has 1230 states and 1823 transitions. Word has length 468 [2024-11-16 10:10:24,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 10:10:24,368 INFO L471 AbstractCegarLoop]: Abstraction has 1230 states and 1823 transitions. [2024-11-16 10:10:24,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 87.2) internal successors, (436), 5 states have internal predecessors, (436), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-16 10:10:24,368 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states and 1823 transitions. [2024-11-16 10:10:24,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2024-11-16 10:10:24,371 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 10:10:24,371 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 10:10:24,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 10:10:24,371 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 10:10:24,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 10:10:24,371 INFO L85 PathProgramCache]: Analyzing trace with hash 2087648397, now seen corresponding path program 1 times [2024-11-16 10:10:24,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 10:10:24,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781968834] [2024-11-16 10:10:24,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 10:10:24,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 10:10:24,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:25,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 10:10:25,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:25,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 10:10:25,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:25,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 10:10:25,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:25,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 10:10:25,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:25,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 10:10:25,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:25,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 10:10:25,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:25,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 10:10:25,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:25,166 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-16 10:10:25,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 10:10:25,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781968834] [2024-11-16 10:10:25,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [781968834] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 10:10:25,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 10:10:25,167 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 10:10:25,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630044872] [2024-11-16 10:10:25,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 10:10:25,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 10:10:25,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 10:10:25,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 10:10:25,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-16 10:10:25,168 INFO L87 Difference]: Start difference. First operand 1230 states and 1823 transitions. Second operand has 4 states, 4 states have (on average 109.25) internal successors, (437), 4 states have internal predecessors, (437), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-16 10:10:25,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 10:10:25,711 INFO L93 Difference]: Finished difference Result 2283 states and 3383 transitions. [2024-11-16 10:10:25,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 10:10:25,713 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 109.25) internal successors, (437), 4 states have internal predecessors, (437), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 469 [2024-11-16 10:10:25,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 10:10:25,716 INFO L225 Difference]: With dead ends: 2283 [2024-11-16 10:10:25,716 INFO L226 Difference]: Without dead ends: 1230 [2024-11-16 10:10:25,717 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-16 10:10:25,718 INFO L432 NwaCegarLoop]: 1202 mSDtfsCounter, 1642 mSDsluCounter, 1190 mSDsCounter, 0 mSdLazyCounter, 1047 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1644 SdHoareTripleChecker+Valid, 2392 SdHoareTripleChecker+Invalid, 1048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1047 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 10:10:25,718 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1644 Valid, 2392 Invalid, 1048 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1047 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 10:10:25,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1230 states. [2024-11-16 10:10:25,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1230 to 1230. [2024-11-16 10:10:25,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1230 states, 1219 states have (on average 1.479901558654635) internal successors, (1804), 1219 states have internal predecessors, (1804), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-16 10:10:25,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1230 states to 1230 states and 1822 transitions. [2024-11-16 10:10:25,732 INFO L78 Accepts]: Start accepts. Automaton has 1230 states and 1822 transitions. Word has length 469 [2024-11-16 10:10:25,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 10:10:25,733 INFO L471 AbstractCegarLoop]: Abstraction has 1230 states and 1822 transitions. [2024-11-16 10:10:25,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 109.25) internal successors, (437), 4 states have internal predecessors, (437), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-16 10:10:25,733 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states and 1822 transitions. [2024-11-16 10:10:25,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2024-11-16 10:10:25,735 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 10:10:25,735 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 10:10:25,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-16 10:10:25,736 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 10:10:25,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 10:10:25,736 INFO L85 PathProgramCache]: Analyzing trace with hash -388139119, now seen corresponding path program 1 times [2024-11-16 10:10:25,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 10:10:25,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1226437477] [2024-11-16 10:10:25,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 10:10:25,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 10:10:26,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:26,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 10:10:26,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:26,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 10:10:26,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:26,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 10:10:26,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:26,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 10:10:26,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:26,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 10:10:26,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:26,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 10:10:26,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:26,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 10:10:26,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:26,529 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-16 10:10:26,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 10:10:26,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1226437477] [2024-11-16 10:10:26,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1226437477] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 10:10:26,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 10:10:26,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 10:10:26,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367203826] [2024-11-16 10:10:26,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 10:10:26,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 10:10:26,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 10:10:26,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 10:10:26,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 10:10:26,531 INFO L87 Difference]: Start difference. First operand 1230 states and 1822 transitions. Second operand has 4 states, 4 states have (on average 109.5) internal successors, (438), 4 states have internal predecessors, (438), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-16 10:10:26,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 10:10:26,879 INFO L93 Difference]: Finished difference Result 2283 states and 3381 transitions. [2024-11-16 10:10:26,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 10:10:26,880 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 109.5) internal successors, (438), 4 states have internal predecessors, (438), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 470 [2024-11-16 10:10:26,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 10:10:26,883 INFO L225 Difference]: With dead ends: 2283 [2024-11-16 10:10:26,883 INFO L226 Difference]: Without dead ends: 1230 [2024-11-16 10:10:26,884 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 10:10:26,884 INFO L432 NwaCegarLoop]: 1399 mSDtfsCounter, 1556 mSDsluCounter, 1401 mSDsCounter, 0 mSdLazyCounter, 648 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1556 SdHoareTripleChecker+Valid, 2800 SdHoareTripleChecker+Invalid, 648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 648 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 10:10:26,884 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1556 Valid, 2800 Invalid, 648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 648 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 10:10:26,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1230 states. [2024-11-16 10:10:26,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1230 to 1230. [2024-11-16 10:10:26,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1230 states, 1219 states have (on average 1.479081214109926) internal successors, (1803), 1219 states have internal predecessors, (1803), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-16 10:10:26,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1230 states to 1230 states and 1821 transitions. [2024-11-16 10:10:26,897 INFO L78 Accepts]: Start accepts. Automaton has 1230 states and 1821 transitions. Word has length 470 [2024-11-16 10:10:26,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 10:10:26,897 INFO L471 AbstractCegarLoop]: Abstraction has 1230 states and 1821 transitions. [2024-11-16 10:10:26,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 109.5) internal successors, (438), 4 states have internal predecessors, (438), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-16 10:10:26,898 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states and 1821 transitions. [2024-11-16 10:10:26,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2024-11-16 10:10:26,900 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 10:10:26,900 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 10:10:26,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-16 10:10:26,900 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 10:10:26,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 10:10:26,901 INFO L85 PathProgramCache]: Analyzing trace with hash -1756995743, now seen corresponding path program 1 times [2024-11-16 10:10:26,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 10:10:26,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367095182] [2024-11-16 10:10:26,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 10:10:26,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 10:10:27,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:28,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 10:10:28,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:28,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 10:10:28,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:28,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 10:10:28,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:28,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 10:10:28,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:28,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 10:10:28,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:28,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 10:10:28,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:28,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 10:10:28,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:28,435 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-16 10:10:28,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 10:10:28,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367095182] [2024-11-16 10:10:28,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367095182] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 10:10:28,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 10:10:28,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 10:10:28,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182875846] [2024-11-16 10:10:28,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 10:10:28,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 10:10:28,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 10:10:28,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 10:10:28,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-16 10:10:28,437 INFO L87 Difference]: Start difference. First operand 1230 states and 1821 transitions. Second operand has 6 states, 6 states have (on average 73.16666666666667) internal successors, (439), 6 states have internal predecessors, (439), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-16 10:10:29,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 10:10:29,217 INFO L93 Difference]: Finished difference Result 3000 states and 4441 transitions. [2024-11-16 10:10:29,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 10:10:29,218 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 73.16666666666667) internal successors, (439), 6 states have internal predecessors, (439), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 471 [2024-11-16 10:10:29,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 10:10:29,224 INFO L225 Difference]: With dead ends: 3000 [2024-11-16 10:10:29,224 INFO L226 Difference]: Without dead ends: 1947 [2024-11-16 10:10:29,225 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-16 10:10:29,226 INFO L432 NwaCegarLoop]: 1417 mSDtfsCounter, 4210 mSDsluCounter, 4246 mSDsCounter, 0 mSdLazyCounter, 1227 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4217 SdHoareTripleChecker+Valid, 5663 SdHoareTripleChecker+Invalid, 1234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-16 10:10:29,226 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4217 Valid, 5663 Invalid, 1234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1227 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-16 10:10:29,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1947 states. [2024-11-16 10:10:29,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1947 to 1947. [2024-11-16 10:10:29,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1947 states, 1929 states have (on average 1.4774494556765163) internal successors, (2850), 1929 states have internal predecessors, (2850), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-16 10:10:29,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1947 states to 1947 states and 2882 transitions. [2024-11-16 10:10:29,252 INFO L78 Accepts]: Start accepts. Automaton has 1947 states and 2882 transitions. Word has length 471 [2024-11-16 10:10:29,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 10:10:29,252 INFO L471 AbstractCegarLoop]: Abstraction has 1947 states and 2882 transitions. [2024-11-16 10:10:29,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 73.16666666666667) internal successors, (439), 6 states have internal predecessors, (439), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-16 10:10:29,253 INFO L276 IsEmpty]: Start isEmpty. Operand 1947 states and 2882 transitions. [2024-11-16 10:10:29,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1037 [2024-11-16 10:10:29,261 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 10:10:29,261 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 10:10:29,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-16 10:10:29,262 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 10:10:29,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 10:10:29,262 INFO L85 PathProgramCache]: Analyzing trace with hash 318021026, now seen corresponding path program 1 times [2024-11-16 10:10:29,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 10:10:29,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907712319] [2024-11-16 10:10:29,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 10:10:29,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 10:10:29,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:30,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 10:10:30,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:30,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 10:10:30,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:30,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 10:10:30,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:30,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 10:10:30,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:30,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 10:10:30,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:30,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 10:10:30,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:30,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 10:10:30,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:30,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2024-11-16 10:10:30,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:30,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 651 [2024-11-16 10:10:30,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:30,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2024-11-16 10:10:30,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:30,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 687 [2024-11-16 10:10:30,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:30,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 697 [2024-11-16 10:10:30,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:30,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 709 [2024-11-16 10:10:30,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:30,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 721 [2024-11-16 10:10:30,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:30,747 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 378 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-16 10:10:30,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 10:10:30,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907712319] [2024-11-16 10:10:30,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907712319] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 10:10:30,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 10:10:30,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 10:10:30,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058496715] [2024-11-16 10:10:30,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 10:10:30,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 10:10:30,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 10:10:30,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 10:10:30,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 10:10:30,751 INFO L87 Difference]: Start difference. First operand 1947 states and 2882 transitions. Second operand has 5 states, 5 states have (on average 193.8) internal successors, (969), 5 states have internal predecessors, (969), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-16 10:10:31,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 10:10:31,131 INFO L93 Difference]: Finished difference Result 3000 states and 4440 transitions. [2024-11-16 10:10:31,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 10:10:31,132 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 193.8) internal successors, (969), 5 states have internal predecessors, (969), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 1036 [2024-11-16 10:10:31,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 10:10:31,136 INFO L225 Difference]: With dead ends: 3000 [2024-11-16 10:10:31,136 INFO L226 Difference]: Without dead ends: 1947 [2024-11-16 10:10:31,137 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-16 10:10:31,137 INFO L432 NwaCegarLoop]: 1399 mSDtfsCounter, 1389 mSDsluCounter, 1412 mSDsCounter, 0 mSdLazyCounter, 646 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1396 SdHoareTripleChecker+Valid, 2811 SdHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 10:10:31,137 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1396 Valid, 2811 Invalid, 647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 646 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 10:10:31,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1947 states. [2024-11-16 10:10:31,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1947 to 1947. [2024-11-16 10:10:31,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1947 states, 1929 states have (on average 1.4769310523587351) internal successors, (2849), 1929 states have internal predecessors, (2849), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-16 10:10:31,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1947 states to 1947 states and 2881 transitions. [2024-11-16 10:10:31,158 INFO L78 Accepts]: Start accepts. Automaton has 1947 states and 2881 transitions. Word has length 1036 [2024-11-16 10:10:31,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 10:10:31,159 INFO L471 AbstractCegarLoop]: Abstraction has 1947 states and 2881 transitions. [2024-11-16 10:10:31,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 193.8) internal successors, (969), 5 states have internal predecessors, (969), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-16 10:10:31,159 INFO L276 IsEmpty]: Start isEmpty. Operand 1947 states and 2881 transitions. [2024-11-16 10:10:31,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1038 [2024-11-16 10:10:31,165 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 10:10:31,166 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 10:10:31,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-16 10:10:31,166 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 10:10:31,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 10:10:31,167 INFO L85 PathProgramCache]: Analyzing trace with hash -995017371, now seen corresponding path program 1 times [2024-11-16 10:10:31,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 10:10:31,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949606228] [2024-11-16 10:10:31,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 10:10:31,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 10:10:31,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:32,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 10:10:32,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:32,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 10:10:32,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:32,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 10:10:32,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:32,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 10:10:32,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:32,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 10:10:32,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:32,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 10:10:32,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:32,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 10:10:32,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:32,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 638 [2024-11-16 10:10:32,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:32,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 652 [2024-11-16 10:10:32,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:32,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 672 [2024-11-16 10:10:32,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:32,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 688 [2024-11-16 10:10:32,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:32,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 698 [2024-11-16 10:10:32,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:32,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 710 [2024-11-16 10:10:32,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:32,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 722 [2024-11-16 10:10:32,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:32,424 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 378 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-16 10:10:32,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 10:10:32,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949606228] [2024-11-16 10:10:32,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949606228] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 10:10:32,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 10:10:32,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 10:10:32,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984803045] [2024-11-16 10:10:32,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 10:10:32,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 10:10:32,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 10:10:32,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 10:10:32,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 10:10:32,429 INFO L87 Difference]: Start difference. First operand 1947 states and 2881 transitions. Second operand has 5 states, 5 states have (on average 194.0) internal successors, (970), 5 states have internal predecessors, (970), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-16 10:10:32,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 10:10:32,765 INFO L93 Difference]: Finished difference Result 3000 states and 4438 transitions. [2024-11-16 10:10:32,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 10:10:32,766 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 194.0) internal successors, (970), 5 states have internal predecessors, (970), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 1037 [2024-11-16 10:10:32,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 10:10:32,770 INFO L225 Difference]: With dead ends: 3000 [2024-11-16 10:10:32,770 INFO L226 Difference]: Without dead ends: 1947 [2024-11-16 10:10:32,772 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-16 10:10:32,772 INFO L432 NwaCegarLoop]: 1399 mSDtfsCounter, 2613 mSDsluCounter, 1401 mSDsCounter, 0 mSdLazyCounter, 644 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2620 SdHoareTripleChecker+Valid, 2800 SdHoareTripleChecker+Invalid, 645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 644 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 10:10:32,772 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2620 Valid, 2800 Invalid, 645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 644 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 10:10:32,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1947 states. [2024-11-16 10:10:32,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1947 to 1947. [2024-11-16 10:10:32,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1947 states, 1929 states have (on average 1.476412649040954) internal successors, (2848), 1929 states have internal predecessors, (2848), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-16 10:10:32,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1947 states to 1947 states and 2880 transitions. [2024-11-16 10:10:32,793 INFO L78 Accepts]: Start accepts. Automaton has 1947 states and 2880 transitions. Word has length 1037 [2024-11-16 10:10:32,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 10:10:32,793 INFO L471 AbstractCegarLoop]: Abstraction has 1947 states and 2880 transitions. [2024-11-16 10:10:32,794 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 194.0) internal successors, (970), 5 states have internal predecessors, (970), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-16 10:10:32,794 INFO L276 IsEmpty]: Start isEmpty. Operand 1947 states and 2880 transitions. [2024-11-16 10:10:32,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1039 [2024-11-16 10:10:32,800 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 10:10:32,800 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 10:10:32,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-16 10:10:32,801 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 10:10:32,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 10:10:32,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1572958765, now seen corresponding path program 1 times [2024-11-16 10:10:32,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 10:10:32,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424824200] [2024-11-16 10:10:32,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 10:10:32,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 10:10:33,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:33,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 10:10:33,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:33,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 10:10:33,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:33,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 10:10:33,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:33,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 10:10:33,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:33,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 10:10:33,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:33,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 10:10:33,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:33,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 10:10:33,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:33,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 639 [2024-11-16 10:10:33,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:33,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 653 [2024-11-16 10:10:33,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:33,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2024-11-16 10:10:33,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:33,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 689 [2024-11-16 10:10:33,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:33,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 699 [2024-11-16 10:10:33,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:33,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 711 [2024-11-16 10:10:34,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:34,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 723 [2024-11-16 10:10:34,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:34,002 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 378 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-16 10:10:34,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 10:10:34,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424824200] [2024-11-16 10:10:34,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424824200] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 10:10:34,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 10:10:34,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 10:10:34,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256698119] [2024-11-16 10:10:34,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 10:10:34,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 10:10:34,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 10:10:34,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 10:10:34,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 10:10:34,005 INFO L87 Difference]: Start difference. First operand 1947 states and 2880 transitions. Second operand has 5 states, 5 states have (on average 194.2) internal successors, (971), 5 states have internal predecessors, (971), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-16 10:10:34,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 10:10:34,531 INFO L93 Difference]: Finished difference Result 3000 states and 4436 transitions. [2024-11-16 10:10:34,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 10:10:34,531 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 194.2) internal successors, (971), 5 states have internal predecessors, (971), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 1038 [2024-11-16 10:10:34,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 10:10:34,534 INFO L225 Difference]: With dead ends: 3000 [2024-11-16 10:10:34,535 INFO L226 Difference]: Without dead ends: 1947 [2024-11-16 10:10:34,535 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-16 10:10:34,536 INFO L432 NwaCegarLoop]: 1185 mSDtfsCounter, 1305 mSDsluCounter, 1198 mSDsCounter, 0 mSdLazyCounter, 1070 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1307 SdHoareTripleChecker+Valid, 2383 SdHoareTripleChecker+Invalid, 1071 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1070 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 10:10:34,536 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1307 Valid, 2383 Invalid, 1071 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1070 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 10:10:34,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1947 states. [2024-11-16 10:10:34,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1947 to 1947. [2024-11-16 10:10:34,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1947 states, 1929 states have (on average 1.4758942457231727) internal successors, (2847), 1929 states have internal predecessors, (2847), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-16 10:10:34,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1947 states to 1947 states and 2879 transitions. [2024-11-16 10:10:34,556 INFO L78 Accepts]: Start accepts. Automaton has 1947 states and 2879 transitions. Word has length 1038 [2024-11-16 10:10:34,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 10:10:34,557 INFO L471 AbstractCegarLoop]: Abstraction has 1947 states and 2879 transitions. [2024-11-16 10:10:34,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 194.2) internal successors, (971), 5 states have internal predecessors, (971), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-16 10:10:34,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1947 states and 2879 transitions. [2024-11-16 10:10:34,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1040 [2024-11-16 10:10:34,564 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 10:10:34,564 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 10:10:34,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-16 10:10:34,565 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 10:10:34,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 10:10:34,565 INFO L85 PathProgramCache]: Analyzing trace with hash -325602378, now seen corresponding path program 1 times [2024-11-16 10:10:34,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 10:10:34,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602646172] [2024-11-16 10:10:34,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 10:10:34,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 10:10:34,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:35,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 10:10:35,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:35,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 10:10:35,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:35,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 10:10:35,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:35,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 10:10:35,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:35,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 10:10:35,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:35,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 10:10:35,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:35,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 10:10:35,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:35,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 640 [2024-11-16 10:10:35,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:35,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 654 [2024-11-16 10:10:35,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:35,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 674 [2024-11-16 10:10:35,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:35,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 690 [2024-11-16 10:10:35,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:35,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2024-11-16 10:10:35,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:35,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 712 [2024-11-16 10:10:35,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:35,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 724 [2024-11-16 10:10:35,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:35,793 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 378 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-16 10:10:35,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 10:10:35,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602646172] [2024-11-16 10:10:35,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602646172] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 10:10:35,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 10:10:35,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 10:10:35,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190307705] [2024-11-16 10:10:35,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 10:10:35,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 10:10:35,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 10:10:35,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 10:10:35,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 10:10:35,796 INFO L87 Difference]: Start difference. First operand 1947 states and 2879 transitions. Second operand has 5 states, 5 states have (on average 194.4) internal successors, (972), 5 states have internal predecessors, (972), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-16 10:10:36,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 10:10:36,174 INFO L93 Difference]: Finished difference Result 3000 states and 4434 transitions. [2024-11-16 10:10:36,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 10:10:36,174 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 194.4) internal successors, (972), 5 states have internal predecessors, (972), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 1039 [2024-11-16 10:10:36,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 10:10:36,177 INFO L225 Difference]: With dead ends: 3000 [2024-11-16 10:10:36,177 INFO L226 Difference]: Without dead ends: 1947 [2024-11-16 10:10:36,179 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-16 10:10:36,179 INFO L432 NwaCegarLoop]: 1398 mSDtfsCounter, 2513 mSDsluCounter, 1400 mSDsCounter, 0 mSdLazyCounter, 642 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2520 SdHoareTripleChecker+Valid, 2798 SdHoareTripleChecker+Invalid, 643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 10:10:36,179 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2520 Valid, 2798 Invalid, 643 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 642 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 10:10:36,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1947 states. [2024-11-16 10:10:36,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1947 to 1947. [2024-11-16 10:10:36,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1947 states, 1929 states have (on average 1.4753758424053913) internal successors, (2846), 1929 states have internal predecessors, (2846), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-16 10:10:36,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1947 states to 1947 states and 2878 transitions. [2024-11-16 10:10:36,204 INFO L78 Accepts]: Start accepts. Automaton has 1947 states and 2878 transitions. Word has length 1039 [2024-11-16 10:10:36,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 10:10:36,205 INFO L471 AbstractCegarLoop]: Abstraction has 1947 states and 2878 transitions. [2024-11-16 10:10:36,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 194.4) internal successors, (972), 5 states have internal predecessors, (972), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-16 10:10:36,205 INFO L276 IsEmpty]: Start isEmpty. Operand 1947 states and 2878 transitions. [2024-11-16 10:10:36,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1041 [2024-11-16 10:10:36,250 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 10:10:36,251 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 10:10:36,251 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-16 10:10:36,251 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 10:10:36,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 10:10:36,252 INFO L85 PathProgramCache]: Analyzing trace with hash -591475761, now seen corresponding path program 1 times [2024-11-16 10:10:36,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 10:10:36,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258001101] [2024-11-16 10:10:36,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 10:10:36,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 10:10:36,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:37,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 10:10:37,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:37,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 10:10:37,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:37,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 10:10:37,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:37,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 10:10:37,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:37,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 10:10:37,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:37,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 10:10:37,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:37,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 10:10:37,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:37,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2024-11-16 10:10:37,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:37,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2024-11-16 10:10:37,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:37,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 675 [2024-11-16 10:10:37,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:37,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 691 [2024-11-16 10:10:37,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:37,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 701 [2024-11-16 10:10:37,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:37,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 713 [2024-11-16 10:10:37,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:37,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 725 [2024-11-16 10:10:37,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:37,716 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 378 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-16 10:10:37,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 10:10:37,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258001101] [2024-11-16 10:10:37,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258001101] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 10:10:37,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 10:10:37,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 10:10:37,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030663366] [2024-11-16 10:10:37,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 10:10:37,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 10:10:37,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 10:10:37,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 10:10:37,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 10:10:37,718 INFO L87 Difference]: Start difference. First operand 1947 states and 2878 transitions. Second operand has 5 states, 5 states have (on average 194.6) internal successors, (973), 5 states have internal predecessors, (973), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-16 10:10:38,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 10:10:38,077 INFO L93 Difference]: Finished difference Result 3000 states and 4432 transitions. [2024-11-16 10:10:38,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 10:10:38,078 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 194.6) internal successors, (973), 5 states have internal predecessors, (973), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 1040 [2024-11-16 10:10:38,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 10:10:38,080 INFO L225 Difference]: With dead ends: 3000 [2024-11-16 10:10:38,080 INFO L226 Difference]: Without dead ends: 1947 [2024-11-16 10:10:38,081 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-16 10:10:38,082 INFO L432 NwaCegarLoop]: 1398 mSDtfsCounter, 1323 mSDsluCounter, 1411 mSDsCounter, 0 mSdLazyCounter, 640 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1330 SdHoareTripleChecker+Valid, 2809 SdHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 640 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 10:10:38,082 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1330 Valid, 2809 Invalid, 641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 640 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 10:10:38,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1947 states. [2024-11-16 10:10:38,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1947 to 1947. [2024-11-16 10:10:38,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1947 states, 1929 states have (on average 1.4748574390876101) internal successors, (2845), 1929 states have internal predecessors, (2845), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-16 10:10:38,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1947 states to 1947 states and 2877 transitions. [2024-11-16 10:10:38,104 INFO L78 Accepts]: Start accepts. Automaton has 1947 states and 2877 transitions. Word has length 1040 [2024-11-16 10:10:38,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 10:10:38,105 INFO L471 AbstractCegarLoop]: Abstraction has 1947 states and 2877 transitions. [2024-11-16 10:10:38,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 194.6) internal successors, (973), 5 states have internal predecessors, (973), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-16 10:10:38,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1947 states and 2877 transitions. [2024-11-16 10:10:38,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1042 [2024-11-16 10:10:38,113 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 10:10:38,113 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 10:10:38,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-16 10:10:38,114 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 10:10:38,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 10:10:38,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1237943591, now seen corresponding path program 1 times [2024-11-16 10:10:38,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 10:10:38,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147293121] [2024-11-16 10:10:38,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 10:10:38,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 10:10:38,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:39,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 10:10:39,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:39,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 10:10:39,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:39,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 10:10:39,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:39,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 10:10:39,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:39,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 10:10:39,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:39,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 10:10:39,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:39,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 10:10:39,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:39,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 642 [2024-11-16 10:10:39,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:39,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 656 [2024-11-16 10:10:39,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:39,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 676 [2024-11-16 10:10:39,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:39,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 692 [2024-11-16 10:10:39,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:39,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 702 [2024-11-16 10:10:39,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:39,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 714 [2024-11-16 10:10:39,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:39,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 726 [2024-11-16 10:10:39,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:39,373 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 378 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-16 10:10:39,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 10:10:39,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147293121] [2024-11-16 10:10:39,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147293121] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 10:10:39,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 10:10:39,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 10:10:39,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761856611] [2024-11-16 10:10:39,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 10:10:39,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 10:10:39,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 10:10:39,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 10:10:39,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 10:10:39,376 INFO L87 Difference]: Start difference. First operand 1947 states and 2877 transitions. Second operand has 5 states, 5 states have (on average 194.8) internal successors, (974), 5 states have internal predecessors, (974), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-16 10:10:39,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 10:10:39,889 INFO L93 Difference]: Finished difference Result 3000 states and 4430 transitions. [2024-11-16 10:10:39,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 10:10:39,889 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 194.8) internal successors, (974), 5 states have internal predecessors, (974), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 1041 [2024-11-16 10:10:39,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 10:10:39,892 INFO L225 Difference]: With dead ends: 3000 [2024-11-16 10:10:39,892 INFO L226 Difference]: Without dead ends: 1947 [2024-11-16 10:10:39,893 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-16 10:10:39,893 INFO L432 NwaCegarLoop]: 1183 mSDtfsCounter, 2413 mSDsluCounter, 1185 mSDsCounter, 0 mSdLazyCounter, 1068 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2415 SdHoareTripleChecker+Valid, 2368 SdHoareTripleChecker+Invalid, 1069 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1068 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 10:10:39,893 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2415 Valid, 2368 Invalid, 1069 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1068 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 10:10:39,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1947 states. [2024-11-16 10:10:39,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1947 to 1947. [2024-11-16 10:10:39,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1947 states, 1929 states have (on average 1.474339035769829) internal successors, (2844), 1929 states have internal predecessors, (2844), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-16 10:10:39,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1947 states to 1947 states and 2876 transitions. [2024-11-16 10:10:39,910 INFO L78 Accepts]: Start accepts. Automaton has 1947 states and 2876 transitions. Word has length 1041 [2024-11-16 10:10:39,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 10:10:39,910 INFO L471 AbstractCegarLoop]: Abstraction has 1947 states and 2876 transitions. [2024-11-16 10:10:39,911 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 194.8) internal successors, (974), 5 states have internal predecessors, (974), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-16 10:10:39,911 INFO L276 IsEmpty]: Start isEmpty. Operand 1947 states and 2876 transitions. [2024-11-16 10:10:39,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1043 [2024-11-16 10:10:39,917 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 10:10:39,917 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 10:10:39,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-16 10:10:39,918 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 10:10:39,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 10:10:39,918 INFO L85 PathProgramCache]: Analyzing trace with hash 871241184, now seen corresponding path program 1 times [2024-11-16 10:10:39,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 10:10:39,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77398822] [2024-11-16 10:10:39,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 10:10:39,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 10:10:41,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:42,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 10:10:42,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:42,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 10:10:42,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:42,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 10:10:42,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:42,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 10:10:42,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:42,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 10:10:42,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:42,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 10:10:42,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:42,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 10:10:42,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:42,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 643 [2024-11-16 10:10:42,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:42,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 657 [2024-11-16 10:10:42,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:42,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2024-11-16 10:10:42,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:42,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 693 [2024-11-16 10:10:42,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:42,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 703 [2024-11-16 10:10:42,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:42,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 715 [2024-11-16 10:10:42,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:42,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 727 [2024-11-16 10:10:42,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:42,484 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 378 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-16 10:10:42,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 10:10:42,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77398822] [2024-11-16 10:10:42,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77398822] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 10:10:42,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 10:10:42,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 10:10:42,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419833552] [2024-11-16 10:10:42,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 10:10:42,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 10:10:42,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 10:10:42,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 10:10:42,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 10:10:42,487 INFO L87 Difference]: Start difference. First operand 1947 states and 2876 transitions. Second operand has 4 states, 4 states have (on average 243.75) internal successors, (975), 4 states have internal predecessors, (975), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-16 10:10:42,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 10:10:42,826 INFO L93 Difference]: Finished difference Result 3000 states and 4428 transitions. [2024-11-16 10:10:42,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 10:10:42,826 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 243.75) internal successors, (975), 4 states have internal predecessors, (975), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 1042 [2024-11-16 10:10:42,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 10:10:42,829 INFO L225 Difference]: With dead ends: 3000 [2024-11-16 10:10:42,829 INFO L226 Difference]: Without dead ends: 1947 [2024-11-16 10:10:42,831 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 10:10:42,832 INFO L432 NwaCegarLoop]: 1397 mSDtfsCounter, 1228 mSDsluCounter, 1399 mSDsCounter, 0 mSdLazyCounter, 638 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1228 SdHoareTripleChecker+Valid, 2796 SdHoareTripleChecker+Invalid, 638 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 638 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 10:10:42,832 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1228 Valid, 2796 Invalid, 638 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 638 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 10:10:42,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1947 states. [2024-11-16 10:10:42,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1947 to 1947. [2024-11-16 10:10:42,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1947 states, 1929 states have (on average 1.4738206324520478) internal successors, (2843), 1929 states have internal predecessors, (2843), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-16 10:10:42,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1947 states to 1947 states and 2875 transitions. [2024-11-16 10:10:42,853 INFO L78 Accepts]: Start accepts. Automaton has 1947 states and 2875 transitions. Word has length 1042 [2024-11-16 10:10:42,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 10:10:42,854 INFO L471 AbstractCegarLoop]: Abstraction has 1947 states and 2875 transitions. [2024-11-16 10:10:42,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 243.75) internal successors, (975), 4 states have internal predecessors, (975), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-16 10:10:42,854 INFO L276 IsEmpty]: Start isEmpty. Operand 1947 states and 2875 transitions. [2024-11-16 10:10:42,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1044 [2024-11-16 10:10:42,860 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 10:10:42,861 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 10:10:42,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-16 10:10:42,862 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 10:10:42,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 10:10:42,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1108127623, now seen corresponding path program 1 times [2024-11-16 10:10:42,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 10:10:42,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568254602] [2024-11-16 10:10:42,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 10:10:42,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 10:10:44,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:45,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 10:10:45,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:45,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 10:10:45,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:45,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 10:10:45,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:45,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 10:10:45,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:45,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 10:10:45,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:45,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 10:10:45,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:45,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 10:10:45,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:45,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 644 [2024-11-16 10:10:45,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:45,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 658 [2024-11-16 10:10:45,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:45,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 678 [2024-11-16 10:10:45,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:45,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 694 [2024-11-16 10:10:45,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:45,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 704 [2024-11-16 10:10:45,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:45,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 716 [2024-11-16 10:10:45,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:45,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 728 [2024-11-16 10:10:45,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:45,317 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 378 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-16 10:10:45,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 10:10:45,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568254602] [2024-11-16 10:10:45,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568254602] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 10:10:45,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 10:10:45,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 10:10:45,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842533452] [2024-11-16 10:10:45,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 10:10:45,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 10:10:45,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 10:10:45,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 10:10:45,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 10:10:45,320 INFO L87 Difference]: Start difference. First operand 1947 states and 2875 transitions. Second operand has 4 states, 4 states have (on average 244.0) internal successors, (976), 4 states have internal predecessors, (976), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-16 10:10:45,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 10:10:45,631 INFO L93 Difference]: Finished difference Result 3000 states and 4426 transitions. [2024-11-16 10:10:45,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 10:10:45,631 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 244.0) internal successors, (976), 4 states have internal predecessors, (976), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 1043 [2024-11-16 10:10:45,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 10:10:45,634 INFO L225 Difference]: With dead ends: 3000 [2024-11-16 10:10:45,634 INFO L226 Difference]: Without dead ends: 1947 [2024-11-16 10:10:45,635 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 10:10:45,635 INFO L432 NwaCegarLoop]: 1397 mSDtfsCounter, 1171 mSDsluCounter, 1399 mSDsCounter, 0 mSdLazyCounter, 636 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1171 SdHoareTripleChecker+Valid, 2796 SdHoareTripleChecker+Invalid, 636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 10:10:45,635 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1171 Valid, 2796 Invalid, 636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 636 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 10:10:45,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1947 states. [2024-11-16 10:10:45,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1947 to 1947. [2024-11-16 10:10:45,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1947 states, 1929 states have (on average 1.4733022291342666) internal successors, (2842), 1929 states have internal predecessors, (2842), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-16 10:10:45,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1947 states to 1947 states and 2874 transitions. [2024-11-16 10:10:45,652 INFO L78 Accepts]: Start accepts. Automaton has 1947 states and 2874 transitions. Word has length 1043 [2024-11-16 10:10:45,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 10:10:45,653 INFO L471 AbstractCegarLoop]: Abstraction has 1947 states and 2874 transitions. [2024-11-16 10:10:45,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 244.0) internal successors, (976), 4 states have internal predecessors, (976), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-16 10:10:45,653 INFO L276 IsEmpty]: Start isEmpty. Operand 1947 states and 2874 transitions. [2024-11-16 10:10:45,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1045 [2024-11-16 10:10:45,659 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 10:10:45,660 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 10:10:45,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-16 10:10:45,660 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 10:10:45,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 10:10:45,660 INFO L85 PathProgramCache]: Analyzing trace with hash -990963688, now seen corresponding path program 1 times [2024-11-16 10:10:45,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 10:10:45,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147317298] [2024-11-16 10:10:45,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 10:10:45,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 10:10:48,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:50,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 10:10:50,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:50,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 10:10:50,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:50,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 10:10:50,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:50,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 10:10:50,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:50,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 10:10:50,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:50,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 10:10:50,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:50,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 10:10:50,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:50,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 645 [2024-11-16 10:10:50,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:50,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2024-11-16 10:10:50,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:50,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 679 [2024-11-16 10:10:50,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:50,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 695 [2024-11-16 10:10:50,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:50,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 705 [2024-11-16 10:10:50,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:50,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 717 [2024-11-16 10:10:50,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:50,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 729 [2024-11-16 10:10:50,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:50,726 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 718 trivial. 0 not checked. [2024-11-16 10:10:50,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 10:10:50,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147317298] [2024-11-16 10:10:50,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147317298] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 10:10:50,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 10:10:50,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 10:10:50,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040570676] [2024-11-16 10:10:50,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 10:10:50,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 10:10:50,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 10:10:50,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 10:10:50,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-16 10:10:50,729 INFO L87 Difference]: Start difference. First operand 1947 states and 2874 transitions. Second operand has 6 states, 6 states have (on average 105.16666666666667) internal successors, (631), 6 states have internal predecessors, (631), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-16 10:10:51,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 10:10:51,772 INFO L93 Difference]: Finished difference Result 4641 states and 6846 transitions. [2024-11-16 10:10:51,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 10:10:51,773 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 105.16666666666667) internal successors, (631), 6 states have internal predecessors, (631), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 1044 [2024-11-16 10:10:51,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 10:10:51,776 INFO L225 Difference]: With dead ends: 4641 [2024-11-16 10:10:51,776 INFO L226 Difference]: Without dead ends: 2915 [2024-11-16 10:10:51,777 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-16 10:10:51,778 INFO L432 NwaCegarLoop]: 1192 mSDtfsCounter, 4562 mSDsluCounter, 3526 mSDsCounter, 0 mSdLazyCounter, 2107 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4574 SdHoareTripleChecker+Valid, 4718 SdHoareTripleChecker+Invalid, 2112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-16 10:10:51,778 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4574 Valid, 4718 Invalid, 2112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2107 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-16 10:10:51,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2915 states. [2024-11-16 10:10:51,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2915 to 1948. [2024-11-16 10:10:51,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1948 states, 1930 states have (on average 1.473056994818653) internal successors, (2843), 1930 states have internal predecessors, (2843), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-16 10:10:51,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1948 states to 1948 states and 2875 transitions. [2024-11-16 10:10:51,797 INFO L78 Accepts]: Start accepts. Automaton has 1948 states and 2875 transitions. Word has length 1044 [2024-11-16 10:10:51,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 10:10:51,798 INFO L471 AbstractCegarLoop]: Abstraction has 1948 states and 2875 transitions. [2024-11-16 10:10:51,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 105.16666666666667) internal successors, (631), 6 states have internal predecessors, (631), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-16 10:10:51,798 INFO L276 IsEmpty]: Start isEmpty. Operand 1948 states and 2875 transitions. [2024-11-16 10:10:51,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1045 [2024-11-16 10:10:51,804 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 10:10:51,804 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 10:10:51,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-16 10:10:51,805 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 10:10:51,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 10:10:51,805 INFO L85 PathProgramCache]: Analyzing trace with hash 44511254, now seen corresponding path program 1 times [2024-11-16 10:10:51,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 10:10:51,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274699215] [2024-11-16 10:10:51,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 10:10:51,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 10:10:53,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:55,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 10:10:55,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:55,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-16 10:10:55,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:55,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 10:10:55,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:55,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 10:10:55,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:55,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 10:10:55,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:55,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 10:10:55,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:55,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 10:10:55,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:55,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 645 [2024-11-16 10:10:55,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:55,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2024-11-16 10:10:55,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:55,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 679 [2024-11-16 10:10:55,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:55,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 695 [2024-11-16 10:10:55,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:55,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 705 [2024-11-16 10:10:55,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:55,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 717 [2024-11-16 10:10:55,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:55,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 729 [2024-11-16 10:10:55,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:55,820 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 378 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-16 10:10:55,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 10:10:55,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274699215] [2024-11-16 10:10:55,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274699215] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 10:10:55,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 10:10:55,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-16 10:10:55,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993614540] [2024-11-16 10:10:55,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 10:10:55,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-16 10:10:55,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 10:10:55,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-16 10:10:55,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-16 10:10:55,823 INFO L87 Difference]: Start difference. First operand 1948 states and 2875 transitions. Second operand has 7 states, 7 states have (on average 139.57142857142858) internal successors, (977), 7 states have internal predecessors, (977), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-16 10:10:57,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 10:10:57,367 INFO L93 Difference]: Finished difference Result 4043 states and 5961 transitions. [2024-11-16 10:10:57,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 10:10:57,368 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 139.57142857142858) internal successors, (977), 7 states have internal predecessors, (977), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 1044 [2024-11-16 10:10:57,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 10:10:57,372 INFO L225 Difference]: With dead ends: 4043 [2024-11-16 10:10:57,372 INFO L226 Difference]: Without dead ends: 2990 [2024-11-16 10:10:57,374 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-16 10:10:57,374 INFO L432 NwaCegarLoop]: 2227 mSDtfsCounter, 2725 mSDsluCounter, 7840 mSDsCounter, 0 mSdLazyCounter, 4431 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2737 SdHoareTripleChecker+Valid, 10067 SdHoareTripleChecker+Invalid, 4432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-16 10:10:57,374 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2737 Valid, 10067 Invalid, 4432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4431 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-16 10:10:57,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2990 states. [2024-11-16 10:10:57,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2990 to 2011. [2024-11-16 10:10:57,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2011 states, 1991 states have (on average 1.472626820693119) internal successors, (2932), 1991 states have internal predecessors, (2932), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-16 10:10:57,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2011 states to 2011 states and 2968 transitions. [2024-11-16 10:10:57,394 INFO L78 Accepts]: Start accepts. Automaton has 2011 states and 2968 transitions. Word has length 1044 [2024-11-16 10:10:57,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 10:10:57,395 INFO L471 AbstractCegarLoop]: Abstraction has 2011 states and 2968 transitions. [2024-11-16 10:10:57,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 139.57142857142858) internal successors, (977), 7 states have internal predecessors, (977), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-16 10:10:57,395 INFO L276 IsEmpty]: Start isEmpty. Operand 2011 states and 2968 transitions. [2024-11-16 10:10:57,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1046 [2024-11-16 10:10:57,401 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 10:10:57,402 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 10:10:57,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-16 10:10:57,402 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 10:10:57,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 10:10:57,403 INFO L85 PathProgramCache]: Analyzing trace with hash -447184719, now seen corresponding path program 1 times [2024-11-16 10:10:57,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 10:10:57,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542322525] [2024-11-16 10:10:57,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 10:10:57,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 10:10:58,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:59,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 10:10:59,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:59,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-16 10:10:59,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:59,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 10:10:59,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:59,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-16 10:10:59,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:59,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 10:10:59,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:59,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-16 10:10:59,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:59,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-11-16 10:10:59,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:59,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 645 [2024-11-16 10:10:59,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:59,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2024-11-16 10:10:59,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:59,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 680 [2024-11-16 10:10:59,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:59,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 696 [2024-11-16 10:10:59,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:59,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 706 [2024-11-16 10:10:59,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:59,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2024-11-16 10:10:59,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:59,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 730 [2024-11-16 10:10:59,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:10:59,567 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 652 trivial. 0 not checked. [2024-11-16 10:10:59,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 10:10:59,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542322525] [2024-11-16 10:10:59,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542322525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 10:10:59,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 10:10:59,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 10:10:59,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954777483] [2024-11-16 10:10:59,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 10:10:59,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 10:10:59,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 10:10:59,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 10:10:59,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 10:10:59,569 INFO L87 Difference]: Start difference. First operand 2011 states and 2968 transitions. Second operand has 4 states, 4 states have (on average 173.25) internal successors, (693), 4 states have internal predecessors, (693), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-16 10:11:00,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 10:11:00,096 INFO L93 Difference]: Finished difference Result 3995 states and 5891 transitions. [2024-11-16 10:11:00,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 10:11:00,097 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 173.25) internal successors, (693), 4 states have internal predecessors, (693), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 1045 [2024-11-16 10:11:00,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 10:11:00,099 INFO L225 Difference]: With dead ends: 3995 [2024-11-16 10:11:00,099 INFO L226 Difference]: Without dead ends: 2011 [2024-11-16 10:11:00,100 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 10:11:00,101 INFO L432 NwaCegarLoop]: 1534 mSDtfsCounter, 67 mSDsluCounter, 2730 mSDsCounter, 0 mSdLazyCounter, 1143 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 4264 SdHoareTripleChecker+Invalid, 1152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 10:11:00,101 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 4264 Invalid, 1152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1143 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 10:11:00,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2011 states. [2024-11-16 10:11:00,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2011 to 1948. [2024-11-16 10:11:00,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1948 states, 1930 states have (on average 1.472020725388601) internal successors, (2841), 1930 states have internal predecessors, (2841), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-16 10:11:00,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1948 states to 1948 states and 2873 transitions. [2024-11-16 10:11:00,118 INFO L78 Accepts]: Start accepts. Automaton has 1948 states and 2873 transitions. Word has length 1045 [2024-11-16 10:11:00,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 10:11:00,118 INFO L471 AbstractCegarLoop]: Abstraction has 1948 states and 2873 transitions. [2024-11-16 10:11:00,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 173.25) internal successors, (693), 4 states have internal predecessors, (693), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-16 10:11:00,119 INFO L276 IsEmpty]: Start isEmpty. Operand 1948 states and 2873 transitions. [2024-11-16 10:11:00,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1047 [2024-11-16 10:11:00,125 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 10:11:00,125 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 10:11:00,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-16 10:11:00,125 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 10:11:00,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 10:11:00,126 INFO L85 PathProgramCache]: Analyzing trace with hash -894272852, now seen corresponding path program 1 times [2024-11-16 10:11:00,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 10:11:00,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789291067] [2024-11-16 10:11:00,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 10:11:00,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 10:11:02,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:11:04,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 10:11:04,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:11:04,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 10:11:04,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:11:04,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-16 10:11:04,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:11:04,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 10:11:04,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:11:04,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 10:11:04,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:11:04,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 10:11:04,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:11:04,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-16 10:11:04,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:11:04,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 646 [2024-11-16 10:11:04,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:11:04,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 660 [2024-11-16 10:11:04,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:11:04,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 681 [2024-11-16 10:11:04,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:11:04,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 697 [2024-11-16 10:11:04,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:11:04,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 707 [2024-11-16 10:11:04,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:11:04,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 719 [2024-11-16 10:11:04,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:11:04,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 731 [2024-11-16 10:11:04,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:11:04,632 INFO L134 CoverageAnalysis]: Checked inductivity of 743 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 651 trivial. 0 not checked. [2024-11-16 10:11:04,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 10:11:04,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789291067] [2024-11-16 10:11:04,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789291067] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 10:11:04,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 10:11:04,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 10:11:04,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265543145] [2024-11-16 10:11:04,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 10:11:04,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 10:11:04,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 10:11:04,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 10:11:04,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 10:11:04,634 INFO L87 Difference]: Start difference. First operand 1948 states and 2873 transitions. Second operand has 5 states, 5 states have (on average 139.0) internal successors, (695), 5 states have internal predecessors, (695), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-16 10:11:05,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 10:11:05,252 INFO L93 Difference]: Finished difference Result 3555 states and 5241 transitions. [2024-11-16 10:11:05,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 10:11:05,253 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 139.0) internal successors, (695), 5 states have internal predecessors, (695), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 1046 [2024-11-16 10:11:05,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 10:11:05,255 INFO L225 Difference]: With dead ends: 3555 [2024-11-16 10:11:05,255 INFO L226 Difference]: Without dead ends: 1956 [2024-11-16 10:11:05,257 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 10:11:05,257 INFO L432 NwaCegarLoop]: 1194 mSDtfsCounter, 1553 mSDsluCounter, 2378 mSDsCounter, 0 mSdLazyCounter, 1571 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1553 SdHoareTripleChecker+Valid, 3572 SdHoareTripleChecker+Invalid, 1571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-16 10:11:05,257 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1553 Valid, 3572 Invalid, 1571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1571 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-16 10:11:05,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1956 states. [2024-11-16 10:11:05,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1956 to 1954. [2024-11-16 10:11:05,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1954 states, 1936 states have (on average 1.4705578512396693) internal successors, (2847), 1936 states have internal predecessors, (2847), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-16 10:11:05,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1954 states to 1954 states and 2879 transitions. [2024-11-16 10:11:05,275 INFO L78 Accepts]: Start accepts. Automaton has 1954 states and 2879 transitions. Word has length 1046 [2024-11-16 10:11:05,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 10:11:05,275 INFO L471 AbstractCegarLoop]: Abstraction has 1954 states and 2879 transitions. [2024-11-16 10:11:05,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 139.0) internal successors, (695), 5 states have internal predecessors, (695), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-16 10:11:05,275 INFO L276 IsEmpty]: Start isEmpty. Operand 1954 states and 2879 transitions. [2024-11-16 10:11:05,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1049 [2024-11-16 10:11:05,281 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 10:11:05,282 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 10:11:05,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-16 10:11:05,282 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 10:11:05,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 10:11:05,283 INFO L85 PathProgramCache]: Analyzing trace with hash 858058320, now seen corresponding path program 1 times [2024-11-16 10:11:05,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 10:11:05,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831373106] [2024-11-16 10:11:05,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 10:11:05,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 10:11:08,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:11:11,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 10:11:11,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:11:11,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-16 10:11:11,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:11:11,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-16 10:11:11,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:11:11,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-16 10:11:11,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:11:11,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-16 10:11:11,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:11:11,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-11-16 10:11:11,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:11:11,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-16 10:11:11,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:11:11,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 647 [2024-11-16 10:11:11,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:11:11,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 661 [2024-11-16 10:11:11,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:11:11,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 682 [2024-11-16 10:11:11,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:11:11,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 698 [2024-11-16 10:11:11,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:11:11,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 708 [2024-11-16 10:11:11,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:11:11,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 720 [2024-11-16 10:11:11,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:11:11,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 732 [2024-11-16 10:11:11,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 10:11:11,795 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 673 trivial. 0 not checked. [2024-11-16 10:11:11,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 10:11:11,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831373106] [2024-11-16 10:11:11,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831373106] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 10:11:11,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 10:11:11,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-16 10:11:11,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509652565] [2024-11-16 10:11:11,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 10:11:11,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-16 10:11:11,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 10:11:11,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-16 10:11:11,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-16 10:11:11,797 INFO L87 Difference]: Start difference. First operand 1954 states and 2879 transitions. Second operand has 11 states, 11 states have (on average 61.45454545454545) internal successors, (676), 11 states have internal predecessors, (676), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-16 10:11:13,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 10:11:13,358 INFO L93 Difference]: Finished difference Result 4767 states and 7021 transitions. [2024-11-16 10:11:13,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-16 10:11:13,359 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 61.45454545454545) internal successors, (676), 11 states have internal predecessors, (676), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 1048 [2024-11-16 10:11:13,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 10:11:13,362 INFO L225 Difference]: With dead ends: 4767 [2024-11-16 10:11:13,363 INFO L226 Difference]: Without dead ends: 3124 [2024-11-16 10:11:13,364 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2024-11-16 10:11:13,365 INFO L432 NwaCegarLoop]: 1255 mSDtfsCounter, 4505 mSDsluCounter, 8703 mSDsCounter, 0 mSdLazyCounter, 4046 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4515 SdHoareTripleChecker+Valid, 9958 SdHoareTripleChecker+Invalid, 4057 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 4046 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-16 10:11:13,365 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4515 Valid, 9958 Invalid, 4057 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 4046 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-16 10:11:13,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3124 states. [2024-11-16 10:11:13,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3124 to 2164. [2024-11-16 10:11:13,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2164 states, 2138 states have (on average 1.4681945743685687) internal successors, (3139), 2138 states have internal predecessors, (3139), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-16 10:11:13,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2164 states to 2164 states and 3187 transitions. [2024-11-16 10:11:13,387 INFO L78 Accepts]: Start accepts. Automaton has 2164 states and 3187 transitions. Word has length 1048 [2024-11-16 10:11:13,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 10:11:13,387 INFO L471 AbstractCegarLoop]: Abstraction has 2164 states and 3187 transitions. [2024-11-16 10:11:13,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 61.45454545454545) internal successors, (676), 11 states have internal predecessors, (676), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-11-16 10:11:13,387 INFO L276 IsEmpty]: Start isEmpty. Operand 2164 states and 3187 transitions. [2024-11-16 10:11:13,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1050 [2024-11-16 10:11:13,393 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 10:11:13,394 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 10:11:13,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-16 10:11:13,394 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 10:11:13,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 10:11:13,395 INFO L85 PathProgramCache]: Analyzing trace with hash -410926727, now seen corresponding path program 1 times [2024-11-16 10:11:13,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 10:11:13,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39526824] [2024-11-16 10:11:13,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 10:11:13,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms