./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal143.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f4d9ba-ad3e-4388-8782-c8af3f0f3284/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f4d9ba-ad3e-4388-8782-c8af3f0f3284/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f4d9ba-ad3e-4388-8782-c8af3f0f3284/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f4d9ba-ad3e-4388-8782-c8af3f0f3284/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal143.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f4d9ba-ad3e-4388-8782-c8af3f0f3284/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f4d9ba-ad3e-4388-8782-c8af3f0f3284/bin/uautomizer-verify-qhAvR1uOyd --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 9f343efa8550f81374a374614ecb465ffcbfd558787d28dc5e69e729f7cdc26b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:22:53,925 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:22:54,037 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f4d9ba-ad3e-4388-8782-c8af3f0f3284/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-13 16:22:54,047 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:22:54,048 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 16:22:54,100 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:22:54,101 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 16:22:54,101 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 16:22:54,101 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 16:22:54,104 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 16:22:54,105 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:22:54,106 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 16:22:54,107 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:22:54,107 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:22:54,107 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 16:22:54,107 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:22:54,108 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:22:54,108 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:22:54,108 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:22:54,108 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:22:54,108 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:22:54,108 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:22:54,108 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:22:54,108 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:22:54,108 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:22:54,109 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:22:54,109 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 16:22:54,109 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 16:22:54,109 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 16:22:54,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:22:54,109 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:22:54,109 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:22:54,109 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:22:54,109 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 16:22:54,110 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:22:54,111 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 16:22:54,111 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 16:22:54,111 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 16:22:54,111 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 16:22:54,112 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f4d9ba-ad3e-4388-8782-c8af3f0f3284/bin/uautomizer-verify-qhAvR1uOyd 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 -> 9f343efa8550f81374a374614ecb465ffcbfd558787d28dc5e69e729f7cdc26b [2024-11-13 16:22:54,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:22:54,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:22:54,503 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:22:54,505 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:22:54,506 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:22:54,509 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f4d9ba-ad3e-4388-8782-c8af3f0f3284/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal143.c Unable to find full path for "g++" [2024-11-13 16:22:56,904 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:22:57,955 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:22:57,956 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f4d9ba-ad3e-4388-8782-c8af3f0f3284/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal143.c [2024-11-13 16:22:58,031 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f4d9ba-ad3e-4388-8782-c8af3f0f3284/bin/uautomizer-verify-qhAvR1uOyd/data/b595330c7/518641b47a9e4912bbd884665da36f08/FLAGa30c4a063 [2024-11-13 16:22:58,060 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f4d9ba-ad3e-4388-8782-c8af3f0f3284/bin/uautomizer-verify-qhAvR1uOyd/data/b595330c7/518641b47a9e4912bbd884665da36f08 [2024-11-13 16:22:58,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:22:58,068 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:22:58,071 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:22:58,071 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:22:58,078 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:22:58,079 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:22:58" (1/1) ... [2024-11-13 16:22:58,082 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c635912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:22:58, skipping insertion in model container [2024-11-13 16:22:58,082 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:22:58" (1/1) ... [2024-11-13 16:22:58,479 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:22:59,050 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f4d9ba-ad3e-4388-8782-c8af3f0f3284/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal143.c[1246,1259] [2024-11-13 16:23:01,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:23:01,911 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:23:01,926 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f4d9ba-ad3e-4388-8782-c8af3f0f3284/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal143.c[1246,1259] [2024-11-13 16:23:04,392 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:23:04,437 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:23:04,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:23:04 WrapperNode [2024-11-13 16:23:04,438 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:23:04,440 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:23:04,440 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:23:04,440 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:23:04,459 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:23:04" (1/1) ... [2024-11-13 16:23:05,048 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:23:04" (1/1) ... [2024-11-13 16:23:11,447 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 51104 [2024-11-13 16:23:11,448 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:23:11,449 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:23:11,449 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:23:11,449 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:23:11,464 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:23:04" (1/1) ... [2024-11-13 16:23:11,464 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:23:04" (1/1) ... [2024-11-13 16:23:12,944 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:23:04" (1/1) ... [2024-11-13 16:23:13,794 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]. [2024-11-13 16:23:13,794 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:23:04" (1/1) ... [2024-11-13 16:23:13,796 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:23:04" (1/1) ... [2024-11-13 16:23:15,449 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:23:04" (1/1) ... [2024-11-13 16:23:15,735 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:23:04" (1/1) ... [2024-11-13 16:23:15,943 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:23:04" (1/1) ... [2024-11-13 16:23:16,124 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:23:04" (1/1) ... [2024-11-13 16:23:16,900 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:23:16,901 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:23:16,901 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:23:16,901 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:23:16,902 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:23:04" (1/1) ... [2024-11-13 16:23:16,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 16:23:16,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f4d9ba-ad3e-4388-8782-c8af3f0f3284/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:23:16,939 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f4d9ba-ad3e-4388-8782-c8af3f0f3284/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 16:23:16,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86f4d9ba-ad3e-4388-8782-c8af3f0f3284/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 16:23:16,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:23:16,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 16:23:16,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:23:16,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:23:20,447 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:23:20,450 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:27:15,032 INFO L? ?]: Removed 29487 outVars from TransFormulas that were not future-live. [2024-11-13 16:27:15,032 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:27:15,225 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:27:15,225 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:27:15,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:27:15 BoogieIcfgContainer [2024-11-13 16:27:15,226 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:27:15,230 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 16:27:15,231 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 16:27:15,236 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 16:27:15,236 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 04:22:58" (1/3) ... [2024-11-13 16:27:15,238 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49c7191c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:27:15, skipping insertion in model container [2024-11-13 16:27:15,239 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:23:04" (2/3) ... [2024-11-13 16:27:15,239 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49c7191c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 04:27:15, skipping insertion in model container [2024-11-13 16:27:15,239 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:27:15" (3/3) ... [2024-11-13 16:27:15,241 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal143.c [2024-11-13 16:27:15,261 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 16:27:15,263 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.cal143.c that has 1 procedures, 16180 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 16:27:15,622 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 16:27:15,637 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;@776f082e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 16:27:15,637 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 16:27:15,687 INFO L276 IsEmpty]: Start isEmpty. Operand has 16180 states, 16178 states have (on average 1.5007417480529113) internal successors, (24279), 16179 states have internal predecessors, (24279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:27:15,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 502 [2024-11-13 16:27:15,750 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:27:15,751 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:27:15,753 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:27:15,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:27:15,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1315004517, now seen corresponding path program 1 times [2024-11-13 16:27:15,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:27:15,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587413289] [2024-11-13 16:27:15,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:27:15,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:27:16,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:27:17,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:27:17,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:27:17,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587413289] [2024-11-13 16:27:17,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587413289] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:27:17,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:27:17,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 16:27:17,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473506433] [2024-11-13 16:27:17,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:27:17,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:27:17,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:27:17,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:27:17,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:27:17,917 INFO L87 Difference]: Start difference. First operand has 16180 states, 16178 states have (on average 1.5007417480529113) internal successors, (24279), 16179 states have internal predecessors, (24279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 167.0) internal successors, (501), 3 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:27:18,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:27:18,814 INFO L93 Difference]: Finished difference Result 31980 states and 47992 transitions. [2024-11-13 16:27:18,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:27:18,821 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 167.0) internal successors, (501), 3 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 501 [2024-11-13 16:27:18,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:27:18,911 INFO L225 Difference]: With dead ends: 31980 [2024-11-13 16:27:18,911 INFO L226 Difference]: Without dead ends: 16178 [2024-11-13 16:27:18,935 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:27:18,940 INFO L432 NwaCegarLoop]: 24270 mSDtfsCounter, 0 mSDsluCounter, 24264 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 48534 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:27:18,940 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 48534 Invalid, 7 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 16:27:18,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16178 states. [2024-11-13 16:27:19,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16178 to 16178. [2024-11-13 16:27:19,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16178 states, 16177 states have (on average 1.5004018050318353) internal successors, (24272), 16177 states have internal predecessors, (24272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:27:19,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16178 states to 16178 states and 24272 transitions. [2024-11-13 16:27:19,592 INFO L78 Accepts]: Start accepts. Automaton has 16178 states and 24272 transitions. Word has length 501 [2024-11-13 16:27:19,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:27:19,598 INFO L471 AbstractCegarLoop]: Abstraction has 16178 states and 24272 transitions. [2024-11-13 16:27:19,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 167.0) internal successors, (501), 3 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:27:19,599 INFO L276 IsEmpty]: Start isEmpty. Operand 16178 states and 24272 transitions. [2024-11-13 16:27:19,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 502 [2024-11-13 16:27:19,613 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:27:19,613 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:27:19,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 16:27:19,614 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:27:19,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:27:19,615 INFO L85 PathProgramCache]: Analyzing trace with hash -419832950, now seen corresponding path program 1 times [2024-11-13 16:27:19,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:27:19,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882220669] [2024-11-13 16:27:19,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:27:19,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:27:20,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:27:22,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:27:22,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:27:22,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882220669] [2024-11-13 16:27:22,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882220669] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:27:22,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:27:22,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 16:27:22,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36244609] [2024-11-13 16:27:22,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:27:22,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 16:27:22,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:27:22,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 16:27:22,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:27:22,010 INFO L87 Difference]: Start difference. First operand 16178 states and 24272 transitions. Second operand has 3 states, 3 states have (on average 167.0) internal successors, (501), 3 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:27:22,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:27:22,484 INFO L93 Difference]: Finished difference Result 31979 states and 47980 transitions. [2024-11-13 16:27:22,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 16:27:22,486 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 167.0) internal successors, (501), 3 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 501 [2024-11-13 16:27:22,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:27:22,567 INFO L225 Difference]: With dead ends: 31979 [2024-11-13 16:27:22,567 INFO L226 Difference]: Without dead ends: 16179 [2024-11-13 16:27:22,587 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 16:27:22,589 INFO L432 NwaCegarLoop]: 24270 mSDtfsCounter, 0 mSDsluCounter, 24264 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 48534 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:27:22,592 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 48534 Invalid, 7 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 16:27:22,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16179 states. [2024-11-13 16:27:22,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16179 to 16179. [2024-11-13 16:27:22,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16179 states, 16178 states have (on average 1.5003708740264556) internal successors, (24273), 16178 states have internal predecessors, (24273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:27:23,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16179 states to 16179 states and 24273 transitions. [2024-11-13 16:27:23,047 INFO L78 Accepts]: Start accepts. Automaton has 16179 states and 24273 transitions. Word has length 501 [2024-11-13 16:27:23,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:27:23,049 INFO L471 AbstractCegarLoop]: Abstraction has 16179 states and 24273 transitions. [2024-11-13 16:27:23,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 167.0) internal successors, (501), 3 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:27:23,050 INFO L276 IsEmpty]: Start isEmpty. Operand 16179 states and 24273 transitions. [2024-11-13 16:27:23,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 502 [2024-11-13 16:27:23,068 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:27:23,068 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:27:23,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 16:27:23,069 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:27:23,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:27:23,074 INFO L85 PathProgramCache]: Analyzing trace with hash 1009856569, now seen corresponding path program 1 times [2024-11-13 16:27:23,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:27:23,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971465611] [2024-11-13 16:27:23,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:27:23,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:27:23,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:27:26,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:27:26,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:27:26,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971465611] [2024-11-13 16:27:26,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971465611] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:27:26,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:27:26,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 16:27:26,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940853947] [2024-11-13 16:27:26,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:27:26,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:27:26,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:27:26,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:27:26,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:27:26,244 INFO L87 Difference]: Start difference. First operand 16179 states and 24273 transitions. Second operand has 4 states, 4 states have (on average 125.25) internal successors, (501), 4 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:27:26,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:27:26,698 INFO L93 Difference]: Finished difference Result 16183 states and 24277 transitions. [2024-11-13 16:27:26,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:27:26,699 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 125.25) internal successors, (501), 4 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 501 [2024-11-13 16:27:26,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:27:26,747 INFO L225 Difference]: With dead ends: 16183 [2024-11-13 16:27:26,747 INFO L226 Difference]: Without dead ends: 16181 [2024-11-13 16:27:26,754 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:27:26,756 INFO L432 NwaCegarLoop]: 24269 mSDtfsCounter, 0 mSDsluCounter, 48532 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 72801 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:27:26,757 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72801 Invalid, 11 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 16:27:26,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16181 states. [2024-11-13 16:27:27,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16181 to 16181. [2024-11-13 16:27:27,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16181 states, 16180 states have (on average 1.500309023485785) internal successors, (24275), 16180 states have internal predecessors, (24275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:27:27,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16181 states to 16181 states and 24275 transitions. [2024-11-13 16:27:27,189 INFO L78 Accepts]: Start accepts. Automaton has 16181 states and 24275 transitions. Word has length 501 [2024-11-13 16:27:27,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:27:27,191 INFO L471 AbstractCegarLoop]: Abstraction has 16181 states and 24275 transitions. [2024-11-13 16:27:27,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 125.25) internal successors, (501), 4 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:27:27,192 INFO L276 IsEmpty]: Start isEmpty. Operand 16181 states and 24275 transitions. [2024-11-13 16:27:27,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 503 [2024-11-13 16:27:27,206 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:27:27,206 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:27:27,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 16:27:27,208 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:27:27,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:27:27,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1242481044, now seen corresponding path program 1 times [2024-11-13 16:27:27,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:27:27,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583847360] [2024-11-13 16:27:27,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:27:27,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:27:27,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:27:29,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:27:29,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:27:29,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583847360] [2024-11-13 16:27:29,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583847360] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:27:29,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:27:29,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 16:27:29,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649539399] [2024-11-13 16:27:29,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:27:29,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 16:27:29,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:27:29,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 16:27:29,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 16:27:29,235 INFO L87 Difference]: Start difference. First operand 16181 states and 24275 transitions. Second operand has 5 states, 5 states have (on average 100.4) internal successors, (502), 5 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:27:34,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:27:34,837 INFO L93 Difference]: Finished difference Result 47411 states and 71131 transitions. [2024-11-13 16:27:34,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:27:34,838 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 100.4) internal successors, (502), 5 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 502 [2024-11-13 16:27:34,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:27:34,878 INFO L225 Difference]: With dead ends: 47411 [2024-11-13 16:27:34,878 INFO L226 Difference]: Without dead ends: 16181 [2024-11-13 16:27:34,905 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-13 16:27:34,906 INFO L432 NwaCegarLoop]: 24179 mSDtfsCounter, 69547 mSDsluCounter, 47390 mSDsCounter, 0 mSdLazyCounter, 1536 mSolverCounterSat, 185 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69547 SdHoareTripleChecker+Valid, 71569 SdHoareTripleChecker+Invalid, 1721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 185 IncrementalHoareTripleChecker+Valid, 1536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-13 16:27:34,906 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69547 Valid, 71569 Invalid, 1721 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [185 Valid, 1536 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2024-11-13 16:27:34,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16181 states. [2024-11-13 16:27:35,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16181 to 16181. [2024-11-13 16:27:35,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16181 states, 16180 states have (on average 1.500247218788628) internal successors, (24274), 16180 states have internal predecessors, (24274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:27:35,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16181 states to 16181 states and 24274 transitions. [2024-11-13 16:27:35,288 INFO L78 Accepts]: Start accepts. Automaton has 16181 states and 24274 transitions. Word has length 502 [2024-11-13 16:27:35,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:27:35,288 INFO L471 AbstractCegarLoop]: Abstraction has 16181 states and 24274 transitions. [2024-11-13 16:27:35,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 100.4) internal successors, (502), 5 states have internal predecessors, (502), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:27:35,289 INFO L276 IsEmpty]: Start isEmpty. Operand 16181 states and 24274 transitions. [2024-11-13 16:27:35,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 504 [2024-11-13 16:27:35,303 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:27:35,304 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:27:35,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 16:27:35,305 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:27:35,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:27:35,306 INFO L85 PathProgramCache]: Analyzing trace with hash -283782597, now seen corresponding path program 1 times [2024-11-13 16:27:35,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:27:35,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982536499] [2024-11-13 16:27:35,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:27:35,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:27:36,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:27:37,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:27:37,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:27:37,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982536499] [2024-11-13 16:27:37,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982536499] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:27:37,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:27:37,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 16:27:37,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400687977] [2024-11-13 16:27:37,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:27:37,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 16:27:37,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:27:37,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 16:27:37,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 16:27:37,584 INFO L87 Difference]: Start difference. First operand 16181 states and 24274 transitions. Second operand has 5 states, 5 states have (on average 100.6) internal successors, (503), 5 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:27:41,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:27:41,079 INFO L93 Difference]: Finished difference Result 31984 states and 47982 transitions. [2024-11-13 16:27:41,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:27:41,080 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 100.6) internal successors, (503), 5 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 503 [2024-11-13 16:27:41,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:27:41,113 INFO L225 Difference]: With dead ends: 31984 [2024-11-13 16:27:41,113 INFO L226 Difference]: Without dead ends: 16181 [2024-11-13 16:27:41,127 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:27:41,128 INFO L432 NwaCegarLoop]: 23213 mSDtfsCounter, 24147 mSDsluCounter, 23213 mSDsCounter, 0 mSdLazyCounter, 2111 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24147 SdHoareTripleChecker+Valid, 46426 SdHoareTripleChecker+Invalid, 2112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:27:41,128 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24147 Valid, 46426 Invalid, 2112 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2111 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-13 16:27:41,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16181 states. [2024-11-13 16:27:41,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16181 to 16181. [2024-11-13 16:27:41,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16181 states, 16180 states have (on average 1.500185414091471) internal successors, (24273), 16180 states have internal predecessors, (24273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:27:41,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16181 states to 16181 states and 24273 transitions. [2024-11-13 16:27:41,432 INFO L78 Accepts]: Start accepts. Automaton has 16181 states and 24273 transitions. Word has length 503 [2024-11-13 16:27:41,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:27:41,433 INFO L471 AbstractCegarLoop]: Abstraction has 16181 states and 24273 transitions. [2024-11-13 16:27:41,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 100.6) internal successors, (503), 5 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:27:41,434 INFO L276 IsEmpty]: Start isEmpty. Operand 16181 states and 24273 transitions. [2024-11-13 16:27:41,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 505 [2024-11-13 16:27:41,446 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:27:41,446 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:27:41,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 16:27:41,447 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:27:41,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:27:41,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1620082371, now seen corresponding path program 1 times [2024-11-13 16:27:41,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:27:41,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767402019] [2024-11-13 16:27:41,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:27:41,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:27:41,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:27:43,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:27:43,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:27:43,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767402019] [2024-11-13 16:27:43,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767402019] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:27:43,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:27:43,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 16:27:43,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624359378] [2024-11-13 16:27:43,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:27:43,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:27:43,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:27:43,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:27:43,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:27:43,118 INFO L87 Difference]: Start difference. First operand 16181 states and 24273 transitions. Second operand has 4 states, 4 states have (on average 126.0) internal successors, (504), 4 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:27:43,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:27:43,545 INFO L93 Difference]: Finished difference Result 31986 states and 47983 transitions. [2024-11-13 16:27:43,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:27:43,547 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 126.0) internal successors, (504), 4 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 504 [2024-11-13 16:27:43,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:27:43,579 INFO L225 Difference]: With dead ends: 31986 [2024-11-13 16:27:43,580 INFO L226 Difference]: Without dead ends: 16183 [2024-11-13 16:27:43,595 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:27:43,596 INFO L432 NwaCegarLoop]: 24267 mSDtfsCounter, 0 mSDsluCounter, 48524 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 72791 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:27:43,599 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72791 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 16:27:43,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16183 states. [2024-11-13 16:27:43,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16183 to 16183. [2024-11-13 16:27:43,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16183 states, 16182 states have (on average 1.50012359411692) internal successors, (24275), 16182 states have internal predecessors, (24275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:27:43,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16183 states to 16183 states and 24275 transitions. [2024-11-13 16:27:43,881 INFO L78 Accepts]: Start accepts. Automaton has 16183 states and 24275 transitions. Word has length 504 [2024-11-13 16:27:43,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:27:43,883 INFO L471 AbstractCegarLoop]: Abstraction has 16183 states and 24275 transitions. [2024-11-13 16:27:43,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 126.0) internal successors, (504), 4 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:27:43,883 INFO L276 IsEmpty]: Start isEmpty. Operand 16183 states and 24275 transitions. [2024-11-13 16:27:43,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 506 [2024-11-13 16:27:43,897 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:27:43,898 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:27:43,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 16:27:43,898 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:27:43,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:27:43,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1879950627, now seen corresponding path program 1 times [2024-11-13 16:27:43,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:27:43,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308950692] [2024-11-13 16:27:43,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:27:43,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:27:44,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:27:45,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:27:45,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:27:45,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308950692] [2024-11-13 16:27:45,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308950692] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:27:45,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:27:45,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 16:27:45,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953018296] [2024-11-13 16:27:45,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:27:45,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:27:45,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:27:45,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:27:45,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:27:45,968 INFO L87 Difference]: Start difference. First operand 16183 states and 24275 transitions. Second operand has 4 states, 4 states have (on average 126.25) internal successors, (505), 4 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:27:47,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:27:47,033 INFO L93 Difference]: Finished difference Result 31988 states and 47984 transitions. [2024-11-13 16:27:47,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:27:47,035 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 126.25) internal successors, (505), 4 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 505 [2024-11-13 16:27:47,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:27:47,066 INFO L225 Difference]: With dead ends: 31988 [2024-11-13 16:27:47,066 INFO L226 Difference]: Without dead ends: 16183 [2024-11-13 16:27:47,079 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 16:27:47,080 INFO L432 NwaCegarLoop]: 24089 mSDtfsCounter, 23974 mSDsluCounter, 24088 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23974 SdHoareTripleChecker+Valid, 48177 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 16:27:47,081 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23974 Valid, 48177 Invalid, 357 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 16:27:47,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16183 states. [2024-11-13 16:27:47,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16183 to 16183. [2024-11-13 16:27:47,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16183 states, 16182 states have (on average 1.50006179705846) internal successors, (24274), 16182 states have internal predecessors, (24274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:27:47,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16183 states to 16183 states and 24274 transitions. [2024-11-13 16:27:47,362 INFO L78 Accepts]: Start accepts. Automaton has 16183 states and 24274 transitions. Word has length 505 [2024-11-13 16:27:47,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:27:47,363 INFO L471 AbstractCegarLoop]: Abstraction has 16183 states and 24274 transitions. [2024-11-13 16:27:47,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 126.25) internal successors, (505), 4 states have internal predecessors, (505), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:27:47,363 INFO L276 IsEmpty]: Start isEmpty. Operand 16183 states and 24274 transitions. [2024-11-13 16:27:47,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 507 [2024-11-13 16:27:47,368 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:27:47,369 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:27:47,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 16:27:47,369 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:27:47,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:27:47,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1670102494, now seen corresponding path program 1 times [2024-11-13 16:27:47,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:27:47,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721113584] [2024-11-13 16:27:47,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:27:47,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:27:47,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:27:48,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:27:48,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:27:48,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721113584] [2024-11-13 16:27:48,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721113584] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:27:48,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:27:48,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 16:27:48,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805473412] [2024-11-13 16:27:48,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:27:48,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 16:27:48,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:27:48,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 16:27:48,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 16:27:48,796 INFO L87 Difference]: Start difference. First operand 16183 states and 24274 transitions. Second operand has 5 states, 5 states have (on average 101.2) internal successors, (506), 5 states have internal predecessors, (506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:27:49,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:27:49,934 INFO L93 Difference]: Finished difference Result 31988 states and 47982 transitions. [2024-11-13 16:27:49,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:27:49,935 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 101.2) internal successors, (506), 5 states have internal predecessors, (506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 506 [2024-11-13 16:27:49,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:27:49,967 INFO L225 Difference]: With dead ends: 31988 [2024-11-13 16:27:49,967 INFO L226 Difference]: Without dead ends: 16183 [2024-11-13 16:27:49,980 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:27:49,980 INFO L432 NwaCegarLoop]: 24089 mSDtfsCounter, 47991 mSDsluCounter, 24088 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47991 SdHoareTripleChecker+Valid, 48177 SdHoareTripleChecker+Invalid, 356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 16:27:49,981 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47991 Valid, 48177 Invalid, 356 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 16:27:50,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16183 states. [2024-11-13 16:27:50,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16183 to 16183. [2024-11-13 16:27:50,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16183 states, 16182 states have (on average 1.5) internal successors, (24273), 16182 states have internal predecessors, (24273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:27:50,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16183 states to 16183 states and 24273 transitions. [2024-11-13 16:27:50,241 INFO L78 Accepts]: Start accepts. Automaton has 16183 states and 24273 transitions. Word has length 506 [2024-11-13 16:27:50,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:27:50,242 INFO L471 AbstractCegarLoop]: Abstraction has 16183 states and 24273 transitions. [2024-11-13 16:27:50,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 101.2) internal successors, (506), 5 states have internal predecessors, (506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:27:50,243 INFO L276 IsEmpty]: Start isEmpty. Operand 16183 states and 24273 transitions. [2024-11-13 16:27:50,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 508 [2024-11-13 16:27:50,248 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:27:50,248 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:27:50,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 16:27:50,249 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:27:50,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:27:50,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1938671410, now seen corresponding path program 1 times [2024-11-13 16:27:50,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:27:50,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427615631] [2024-11-13 16:27:50,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:27:50,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:27:50,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:27:52,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:27:52,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:27:52,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427615631] [2024-11-13 16:27:52,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427615631] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:27:52,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:27:52,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 16:27:52,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438058063] [2024-11-13 16:27:52,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:27:52,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:27:52,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:27:52,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:27:52,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:27:52,332 INFO L87 Difference]: Start difference. First operand 16183 states and 24273 transitions. Second operand has 4 states, 4 states have (on average 126.75) internal successors, (507), 4 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:27:55,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:27:55,523 INFO L93 Difference]: Finished difference Result 31988 states and 47980 transitions. [2024-11-13 16:27:55,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:27:55,524 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 126.75) internal successors, (507), 4 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 507 [2024-11-13 16:27:55,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:27:55,560 INFO L225 Difference]: With dead ends: 31988 [2024-11-13 16:27:55,561 INFO L226 Difference]: Without dead ends: 16183 [2024-11-13 16:27:55,576 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 16:27:55,579 INFO L432 NwaCegarLoop]: 23602 mSDtfsCounter, 23896 mSDsluCounter, 23601 mSDsCounter, 0 mSdLazyCounter, 1327 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23896 SdHoareTripleChecker+Valid, 47203 SdHoareTripleChecker+Invalid, 1327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-13 16:27:55,579 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23896 Valid, 47203 Invalid, 1327 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1327 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-13 16:27:55,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16183 states. [2024-11-13 16:27:55,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16183 to 16183. [2024-11-13 16:27:55,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16183 states, 16182 states have (on average 1.49993820294154) internal successors, (24272), 16182 states have internal predecessors, (24272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:27:56,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16183 states to 16183 states and 24272 transitions. [2024-11-13 16:27:56,022 INFO L78 Accepts]: Start accepts. Automaton has 16183 states and 24272 transitions. Word has length 507 [2024-11-13 16:27:56,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:27:56,026 INFO L471 AbstractCegarLoop]: Abstraction has 16183 states and 24272 transitions. [2024-11-13 16:27:56,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 126.75) internal successors, (507), 4 states have internal predecessors, (507), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:27:56,027 INFO L276 IsEmpty]: Start isEmpty. Operand 16183 states and 24272 transitions. [2024-11-13 16:27:56,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 509 [2024-11-13 16:27:56,036 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:27:56,038 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:27:56,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 16:27:56,039 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:27:56,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:27:56,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1993216918, now seen corresponding path program 1 times [2024-11-13 16:27:56,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:27:56,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675580390] [2024-11-13 16:27:56,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:27:56,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:27:56,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:27:58,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:27:58,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:27:58,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675580390] [2024-11-13 16:27:58,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675580390] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:27:58,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:27:58,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 16:27:58,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860103701] [2024-11-13 16:27:58,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:27:58,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 16:27:58,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:27:58,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 16:27:58,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 16:27:58,744 INFO L87 Difference]: Start difference. First operand 16183 states and 24272 transitions. Second operand has 5 states, 5 states have (on average 101.6) internal successors, (508), 5 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:28:01,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:28:01,003 INFO L93 Difference]: Finished difference Result 32244 states and 48359 transitions. [2024-11-13 16:28:01,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 16:28:01,004 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 101.6) internal successors, (508), 5 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 508 [2024-11-13 16:28:01,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:28:01,021 INFO L225 Difference]: With dead ends: 32244 [2024-11-13 16:28:01,021 INFO L226 Difference]: Without dead ends: 16183 [2024-11-13 16:28:01,034 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-13 16:28:01,035 INFO L432 NwaCegarLoop]: 24258 mSDtfsCounter, 24655 mSDsluCounter, 47858 mSDsCounter, 0 mSdLazyCounter, 679 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24655 SdHoareTripleChecker+Valid, 72116 SdHoareTripleChecker+Invalid, 680 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-13 16:28:01,040 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24655 Valid, 72116 Invalid, 680 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 679 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-13 16:28:01,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16183 states. [2024-11-13 16:28:01,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16183 to 16183. [2024-11-13 16:28:01,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16183 states, 16182 states have (on average 1.49987640588308) internal successors, (24271), 16182 states have internal predecessors, (24271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:28:01,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16183 states to 16183 states and 24271 transitions. [2024-11-13 16:28:01,300 INFO L78 Accepts]: Start accepts. Automaton has 16183 states and 24271 transitions. Word has length 508 [2024-11-13 16:28:01,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:28:01,301 INFO L471 AbstractCegarLoop]: Abstraction has 16183 states and 24271 transitions. [2024-11-13 16:28:01,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 101.6) internal successors, (508), 5 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:28:01,302 INFO L276 IsEmpty]: Start isEmpty. Operand 16183 states and 24271 transitions. [2024-11-13 16:28:01,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 510 [2024-11-13 16:28:01,307 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:28:01,307 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:28:01,308 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 16:28:01,308 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:28:01,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:28:01,309 INFO L85 PathProgramCache]: Analyzing trace with hash -568306724, now seen corresponding path program 1 times [2024-11-13 16:28:01,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:28:01,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396068623] [2024-11-13 16:28:01,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:28:01,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:28:01,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:03,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:28:03,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:28:03,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396068623] [2024-11-13 16:28:03,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396068623] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:28:03,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:28:03,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 16:28:03,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666853796] [2024-11-13 16:28:03,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:28:03,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 16:28:03,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:28:03,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 16:28:03,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 16:28:03,410 INFO L87 Difference]: Start difference. First operand 16183 states and 24271 transitions. Second operand has 5 states, 5 states have (on average 101.8) internal successors, (509), 5 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:28:06,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:28:06,213 INFO L93 Difference]: Finished difference Result 31988 states and 47976 transitions. [2024-11-13 16:28:06,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:28:06,214 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 101.8) internal successors, (509), 5 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 509 [2024-11-13 16:28:06,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:28:06,226 INFO L225 Difference]: With dead ends: 31988 [2024-11-13 16:28:06,227 INFO L226 Difference]: Without dead ends: 16183 [2024-11-13 16:28:06,239 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:28:06,239 INFO L432 NwaCegarLoop]: 23602 mSDtfsCounter, 48269 mSDsluCounter, 23601 mSDsCounter, 0 mSdLazyCounter, 1323 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48269 SdHoareTripleChecker+Valid, 47203 SdHoareTripleChecker+Invalid, 1323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-13 16:28:06,240 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48269 Valid, 47203 Invalid, 1323 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1323 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-13 16:28:06,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16183 states. [2024-11-13 16:28:06,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16183 to 16183. [2024-11-13 16:28:06,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16183 states, 16182 states have (on average 1.49981460882462) internal successors, (24270), 16182 states have internal predecessors, (24270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:28:06,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16183 states to 16183 states and 24270 transitions. [2024-11-13 16:28:06,630 INFO L78 Accepts]: Start accepts. Automaton has 16183 states and 24270 transitions. Word has length 509 [2024-11-13 16:28:06,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:28:06,631 INFO L471 AbstractCegarLoop]: Abstraction has 16183 states and 24270 transitions. [2024-11-13 16:28:06,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 101.8) internal successors, (509), 5 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:28:06,632 INFO L276 IsEmpty]: Start isEmpty. Operand 16183 states and 24270 transitions. [2024-11-13 16:28:06,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2024-11-13 16:28:06,637 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:28:06,637 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:28:06,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-13 16:28:06,638 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:28:06,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:28:06,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1255325997, now seen corresponding path program 1 times [2024-11-13 16:28:06,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:28:06,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97111404] [2024-11-13 16:28:06,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:28:06,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:28:07,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:08,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:28:08,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:28:08,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97111404] [2024-11-13 16:28:08,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97111404] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:28:08,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:28:08,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 16:28:08,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982652737] [2024-11-13 16:28:08,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:28:08,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:28:08,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:28:08,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:28:08,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:28:08,545 INFO L87 Difference]: Start difference. First operand 16183 states and 24270 transitions. Second operand has 4 states, 4 states have (on average 127.5) internal successors, (510), 4 states have internal predecessors, (510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:28:11,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:28:11,148 INFO L93 Difference]: Finished difference Result 31988 states and 47974 transitions. [2024-11-13 16:28:11,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:28:11,149 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 127.5) internal successors, (510), 4 states have internal predecessors, (510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 510 [2024-11-13 16:28:11,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:28:11,165 INFO L225 Difference]: With dead ends: 31988 [2024-11-13 16:28:11,165 INFO L226 Difference]: Without dead ends: 16183 [2024-11-13 16:28:11,176 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 16:28:11,176 INFO L432 NwaCegarLoop]: 23602 mSDtfsCounter, 23890 mSDsluCounter, 23601 mSDsCounter, 0 mSdLazyCounter, 1321 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23890 SdHoareTripleChecker+Valid, 47203 SdHoareTripleChecker+Invalid, 1321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-13 16:28:11,177 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23890 Valid, 47203 Invalid, 1321 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1321 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-13 16:28:11,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16183 states. [2024-11-13 16:28:11,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16183 to 16183. [2024-11-13 16:28:11,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16183 states, 16182 states have (on average 1.4997528117661598) internal successors, (24269), 16182 states have internal predecessors, (24269), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:28:11,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16183 states to 16183 states and 24269 transitions. [2024-11-13 16:28:11,426 INFO L78 Accepts]: Start accepts. Automaton has 16183 states and 24269 transitions. Word has length 510 [2024-11-13 16:28:11,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:28:11,427 INFO L471 AbstractCegarLoop]: Abstraction has 16183 states and 24269 transitions. [2024-11-13 16:28:11,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 127.5) internal successors, (510), 4 states have internal predecessors, (510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:28:11,427 INFO L276 IsEmpty]: Start isEmpty. Operand 16183 states and 24269 transitions. [2024-11-13 16:28:11,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 512 [2024-11-13 16:28:11,432 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:28:11,433 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:28:11,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-13 16:28:11,433 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:28:11,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:28:11,434 INFO L85 PathProgramCache]: Analyzing trace with hash -2042222136, now seen corresponding path program 1 times [2024-11-13 16:28:11,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:28:11,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840211635] [2024-11-13 16:28:11,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:28:11,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:28:11,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:13,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:28:13,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:28:13,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840211635] [2024-11-13 16:28:13,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840211635] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:28:13,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:28:13,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 16:28:13,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524089419] [2024-11-13 16:28:13,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:28:13,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 16:28:13,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:28:13,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 16:28:13,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 16:28:13,395 INFO L87 Difference]: Start difference. First operand 16183 states and 24269 transitions. Second operand has 5 states, 5 states have (on average 102.2) internal successors, (511), 5 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:28:14,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:28:14,371 INFO L93 Difference]: Finished difference Result 31988 states and 47972 transitions. [2024-11-13 16:28:14,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:28:14,372 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 102.2) internal successors, (511), 5 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 511 [2024-11-13 16:28:14,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:28:14,387 INFO L225 Difference]: With dead ends: 31988 [2024-11-13 16:28:14,387 INFO L226 Difference]: Without dead ends: 16183 [2024-11-13 16:28:14,396 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:28:14,396 INFO L432 NwaCegarLoop]: 24085 mSDtfsCounter, 47949 mSDsluCounter, 24084 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47949 SdHoareTripleChecker+Valid, 48169 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 16:28:14,397 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47949 Valid, 48169 Invalid, 353 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 16:28:14,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16183 states. [2024-11-13 16:28:14,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16183 to 16183. [2024-11-13 16:28:14,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16183 states, 16182 states have (on average 1.4996910147076998) internal successors, (24268), 16182 states have internal predecessors, (24268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:28:14,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16183 states to 16183 states and 24268 transitions. [2024-11-13 16:28:14,645 INFO L78 Accepts]: Start accepts. Automaton has 16183 states and 24268 transitions. Word has length 511 [2024-11-13 16:28:14,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:28:14,646 INFO L471 AbstractCegarLoop]: Abstraction has 16183 states and 24268 transitions. [2024-11-13 16:28:14,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 102.2) internal successors, (511), 5 states have internal predecessors, (511), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:28:14,646 INFO L276 IsEmpty]: Start isEmpty. Operand 16183 states and 24268 transitions. [2024-11-13 16:28:14,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 513 [2024-11-13 16:28:14,651 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:28:14,652 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:28:14,652 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-13 16:28:14,652 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:28:14,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:28:14,653 INFO L85 PathProgramCache]: Analyzing trace with hash 439654060, now seen corresponding path program 1 times [2024-11-13 16:28:14,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:28:14,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054491213] [2024-11-13 16:28:14,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:28:14,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:28:15,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:16,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:28:16,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:28:16,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2054491213] [2024-11-13 16:28:16,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2054491213] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:28:16,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:28:16,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 16:28:16,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000286413] [2024-11-13 16:28:16,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:28:16,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:28:16,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:28:16,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:28:16,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:28:16,469 INFO L87 Difference]: Start difference. First operand 16183 states and 24268 transitions. Second operand has 4 states, 4 states have (on average 128.0) internal successors, (512), 4 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:28:17,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:28:17,278 INFO L93 Difference]: Finished difference Result 31988 states and 47970 transitions. [2024-11-13 16:28:17,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:28:17,279 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 128.0) internal successors, (512), 4 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 512 [2024-11-13 16:28:17,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:28:17,296 INFO L225 Difference]: With dead ends: 31988 [2024-11-13 16:28:17,296 INFO L226 Difference]: Without dead ends: 16183 [2024-11-13 16:28:17,308 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 16:28:17,309 INFO L432 NwaCegarLoop]: 24085 mSDtfsCounter, 23837 mSDsluCounter, 24084 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23837 SdHoareTripleChecker+Valid, 48169 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 16:28:17,310 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23837 Valid, 48169 Invalid, 351 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 16:28:17,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16183 states. [2024-11-13 16:28:17,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16183 to 16183. [2024-11-13 16:28:17,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16183 states, 16182 states have (on average 1.4996292176492398) internal successors, (24267), 16182 states have internal predecessors, (24267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:28:17,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16183 states to 16183 states and 24267 transitions. [2024-11-13 16:28:17,553 INFO L78 Accepts]: Start accepts. Automaton has 16183 states and 24267 transitions. Word has length 512 [2024-11-13 16:28:17,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:28:17,555 INFO L471 AbstractCegarLoop]: Abstraction has 16183 states and 24267 transitions. [2024-11-13 16:28:17,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 128.0) internal successors, (512), 4 states have internal predecessors, (512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:28:17,555 INFO L276 IsEmpty]: Start isEmpty. Operand 16183 states and 24267 transitions. [2024-11-13 16:28:17,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 514 [2024-11-13 16:28:17,561 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:28:17,561 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:28:17,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-13 16:28:17,561 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:28:17,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:28:17,562 INFO L85 PathProgramCache]: Analyzing trace with hash -760626621, now seen corresponding path program 1 times [2024-11-13 16:28:17,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:28:17,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003032744] [2024-11-13 16:28:17,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:28:17,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:28:18,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:20,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:28:20,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:28:20,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003032744] [2024-11-13 16:28:20,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003032744] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:28:20,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:28:20,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 16:28:20,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761335148] [2024-11-13 16:28:20,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:28:20,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:28:20,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:28:20,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:28:20,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:28:20,191 INFO L87 Difference]: Start difference. First operand 16183 states and 24267 transitions. Second operand has 6 states, 6 states have (on average 85.5) internal successors, (513), 6 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:28:21,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:28:21,019 INFO L93 Difference]: Finished difference Result 33822 states and 50711 transitions. [2024-11-13 16:28:21,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:28:21,020 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 85.5) internal successors, (513), 6 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 513 [2024-11-13 16:28:21,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:28:21,036 INFO L225 Difference]: With dead ends: 33822 [2024-11-13 16:28:21,036 INFO L226 Difference]: Without dead ends: 18017 [2024-11-13 16:28:21,050 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-13 16:28:21,050 INFO L432 NwaCegarLoop]: 24238 mSDtfsCounter, 2846 mSDsluCounter, 96955 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2846 SdHoareTripleChecker+Valid, 121193 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 16:28:21,051 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2846 Valid, 121193 Invalid, 111 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 16:28:21,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18017 states. [2024-11-13 16:28:21,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18017 to 16286. [2024-11-13 16:28:21,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16286 states, 16285 states have (on average 1.4994166410807492) internal successors, (24418), 16285 states have internal predecessors, (24418), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:28:21,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16286 states to 16286 states and 24418 transitions. [2024-11-13 16:28:21,411 INFO L78 Accepts]: Start accepts. Automaton has 16286 states and 24418 transitions. Word has length 513 [2024-11-13 16:28:21,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:28:21,411 INFO L471 AbstractCegarLoop]: Abstraction has 16286 states and 24418 transitions. [2024-11-13 16:28:21,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 85.5) internal successors, (513), 6 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:28:21,412 INFO L276 IsEmpty]: Start isEmpty. Operand 16286 states and 24418 transitions. [2024-11-13 16:28:21,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 515 [2024-11-13 16:28:21,420 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:28:21,421 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:28:21,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 16:28:21,421 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:28:21,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:28:21,422 INFO L85 PathProgramCache]: Analyzing trace with hash -511085124, now seen corresponding path program 1 times [2024-11-13 16:28:21,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:28:21,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413747909] [2024-11-13 16:28:21,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:28:21,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:28:22,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:23,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:28:23,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:28:23,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413747909] [2024-11-13 16:28:23,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413747909] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:28:23,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:28:23,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 16:28:23,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976985091] [2024-11-13 16:28:23,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:28:23,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 16:28:23,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:28:23,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 16:28:23,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-13 16:28:23,604 INFO L87 Difference]: Start difference. First operand 16286 states and 24418 transitions. Second operand has 7 states, 7 states have (on average 73.42857142857143) internal successors, (514), 7 states have internal predecessors, (514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:28:24,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:28:24,327 INFO L93 Difference]: Finished difference Result 32295 states and 48421 transitions. [2024-11-13 16:28:24,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 16:28:24,328 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 73.42857142857143) internal successors, (514), 7 states have internal predecessors, (514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 514 [2024-11-13 16:28:24,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:28:24,337 INFO L225 Difference]: With dead ends: 32295 [2024-11-13 16:28:24,337 INFO L226 Difference]: Without dead ends: 16387 [2024-11-13 16:28:24,344 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-13 16:28:24,344 INFO L432 NwaCegarLoop]: 24367 mSDtfsCounter, 317 mSDsluCounter, 97329 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 121696 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 16:28:24,345 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [317 Valid, 121696 Invalid, 157 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 16:28:24,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16387 states. [2024-11-13 16:28:24,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16387 to 16292. [2024-11-13 16:28:24,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16292 states, 16291 states have (on average 1.4993554723466944) internal successors, (24426), 16291 states have internal predecessors, (24426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:28:24,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16292 states to 16292 states and 24426 transitions. [2024-11-13 16:28:24,552 INFO L78 Accepts]: Start accepts. Automaton has 16292 states and 24426 transitions. Word has length 514 [2024-11-13 16:28:24,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:28:24,552 INFO L471 AbstractCegarLoop]: Abstraction has 16292 states and 24426 transitions. [2024-11-13 16:28:24,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 73.42857142857143) internal successors, (514), 7 states have internal predecessors, (514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:28:24,553 INFO L276 IsEmpty]: Start isEmpty. Operand 16292 states and 24426 transitions. [2024-11-13 16:28:24,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 515 [2024-11-13 16:28:24,556 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:28:24,557 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:28:24,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-13 16:28:24,557 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:28:24,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:28:24,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1727561264, now seen corresponding path program 1 times [2024-11-13 16:28:24,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:28:24,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051328411] [2024-11-13 16:28:24,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:28:24,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:28:25,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:28,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:28:28,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:28:28,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051328411] [2024-11-13 16:28:28,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2051328411] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:28:28,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:28:28,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 16:28:28,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88612893] [2024-11-13 16:28:28,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:28:28,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:28:28,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:28:28,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:28:28,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:28:28,257 INFO L87 Difference]: Start difference. First operand 16292 states and 24426 transitions. Second operand has 6 states, 6 states have (on average 85.66666666666667) internal successors, (514), 6 states have internal predecessors, (514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:28:31,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:28:32,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:28:32,317 INFO L93 Difference]: Finished difference Result 32966 states and 49406 transitions. [2024-11-13 16:28:32,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:28:32,317 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 85.66666666666667) internal successors, (514), 6 states have internal predecessors, (514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 514 [2024-11-13 16:28:32,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:28:32,332 INFO L225 Difference]: With dead ends: 32966 [2024-11-13 16:28:32,332 INFO L226 Difference]: Without dead ends: 17052 [2024-11-13 16:28:32,343 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-13 16:28:32,344 INFO L432 NwaCegarLoop]: 24151 mSDtfsCounter, 26432 mSDsluCounter, 72455 mSDsCounter, 0 mSdLazyCounter, 438 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26432 SdHoareTripleChecker+Valid, 96606 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-13 16:28:32,344 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26432 Valid, 96606 Invalid, 438 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [0 Valid, 438 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-13 16:28:32,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17052 states. [2024-11-13 16:28:32,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17052 to 17033. [2024-11-13 16:28:32,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17033 states, 17032 states have (on average 1.4984147487083137) internal successors, (25521), 17032 states have internal predecessors, (25521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:28:32,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17033 states to 17033 states and 25521 transitions. [2024-11-13 16:28:32,651 INFO L78 Accepts]: Start accepts. Automaton has 17033 states and 25521 transitions. Word has length 514 [2024-11-13 16:28:32,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:28:32,651 INFO L471 AbstractCegarLoop]: Abstraction has 17033 states and 25521 transitions. [2024-11-13 16:28:32,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 85.66666666666667) internal successors, (514), 6 states have internal predecessors, (514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:28:32,652 INFO L276 IsEmpty]: Start isEmpty. Operand 17033 states and 25521 transitions. [2024-11-13 16:28:32,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 516 [2024-11-13 16:28:32,654 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:28:32,655 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:28:32,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-13 16:28:32,655 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:28:32,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:28:32,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1371285539, now seen corresponding path program 1 times [2024-11-13 16:28:32,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:28:32,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150400865] [2024-11-13 16:28:32,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:28:32,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:28:33,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:34,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:28:34,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:28:34,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150400865] [2024-11-13 16:28:34,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150400865] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:28:34,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:28:34,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 16:28:34,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449130463] [2024-11-13 16:28:34,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:28:34,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 16:28:34,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:28:34,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 16:28:34,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-13 16:28:34,952 INFO L87 Difference]: Start difference. First operand 17033 states and 25521 transitions. Second operand has 8 states, 8 states have (on average 64.375) internal successors, (515), 8 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:28:40,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 16:28:42,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:28:42,570 INFO L93 Difference]: Finished difference Result 32968 states and 49408 transitions. [2024-11-13 16:28:42,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 16:28:42,570 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 64.375) internal successors, (515), 8 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 515 [2024-11-13 16:28:42,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:28:42,585 INFO L225 Difference]: With dead ends: 32968 [2024-11-13 16:28:42,585 INFO L226 Difference]: Without dead ends: 17054 [2024-11-13 16:28:42,596 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-11-13 16:28:42,596 INFO L432 NwaCegarLoop]: 24150 mSDtfsCounter, 26435 mSDsluCounter, 120746 mSDsCounter, 0 mSdLazyCounter, 669 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26435 SdHoareTripleChecker+Valid, 144896 SdHoareTripleChecker+Invalid, 670 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 669 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2024-11-13 16:28:42,597 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26435 Valid, 144896 Invalid, 670 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [0 Valid, 669 Invalid, 1 Unknown, 0 Unchecked, 7.0s Time] [2024-11-13 16:28:42,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17054 states. [2024-11-13 16:28:42,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17054 to 17036. [2024-11-13 16:28:42,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17036 states, 17035 states have (on average 1.498385676548283) internal successors, (25525), 17035 states have internal predecessors, (25525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:28:42,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17036 states to 17036 states and 25525 transitions. [2024-11-13 16:28:42,808 INFO L78 Accepts]: Start accepts. Automaton has 17036 states and 25525 transitions. Word has length 515 [2024-11-13 16:28:42,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:28:42,808 INFO L471 AbstractCegarLoop]: Abstraction has 17036 states and 25525 transitions. [2024-11-13 16:28:42,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 64.375) internal successors, (515), 8 states have internal predecessors, (515), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:28:42,809 INFO L276 IsEmpty]: Start isEmpty. Operand 17036 states and 25525 transitions. [2024-11-13 16:28:42,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 517 [2024-11-13 16:28:42,812 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:28:42,812 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:28:42,812 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-13 16:28:42,812 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:28:42,813 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:28:42,813 INFO L85 PathProgramCache]: Analyzing trace with hash 759170861, now seen corresponding path program 1 times [2024-11-13 16:28:42,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:28:42,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509708554] [2024-11-13 16:28:42,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:28:42,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:28:44,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:47,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:28:47,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:28:47,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509708554] [2024-11-13 16:28:47,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509708554] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:28:47,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:28:47,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 16:28:47,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346862537] [2024-11-13 16:28:47,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:28:47,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 16:28:47,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:28:47,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 16:28:47,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-13 16:28:47,326 INFO L87 Difference]: Start difference. First operand 17036 states and 25525 transitions. Second operand has 8 states, 8 states have (on average 64.5) internal successors, (516), 8 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:28:48,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:28:48,944 INFO L93 Difference]: Finished difference Result 33670 states and 50448 transitions. [2024-11-13 16:28:48,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 16:28:48,945 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 64.5) internal successors, (516), 8 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 516 [2024-11-13 16:28:48,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:28:48,963 INFO L225 Difference]: With dead ends: 33670 [2024-11-13 16:28:48,964 INFO L226 Difference]: Without dead ends: 17244 [2024-11-13 16:28:48,976 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-13 16:28:48,977 INFO L432 NwaCegarLoop]: 24204 mSDtfsCounter, 24129 mSDsluCounter, 121007 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24129 SdHoareTripleChecker+Valid, 145211 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 16:28:48,977 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24129 Valid, 145211 Invalid, 354 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [0 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 16:28:49,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17244 states. [2024-11-13 16:28:49,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17244 to 17232. [2024-11-13 16:28:49,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17232 states, 17231 states have (on average 1.4980558296094248) internal successors, (25813), 17231 states have internal predecessors, (25813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:28:49,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17232 states to 17232 states and 25813 transitions. [2024-11-13 16:28:49,233 INFO L78 Accepts]: Start accepts. Automaton has 17232 states and 25813 transitions. Word has length 516 [2024-11-13 16:28:49,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:28:49,233 INFO L471 AbstractCegarLoop]: Abstraction has 17232 states and 25813 transitions. [2024-11-13 16:28:49,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 64.5) internal successors, (516), 8 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:28:49,234 INFO L276 IsEmpty]: Start isEmpty. Operand 17232 states and 25813 transitions. [2024-11-13 16:28:49,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 518 [2024-11-13 16:28:49,236 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:28:49,237 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:28:49,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-13 16:28:49,237 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:28:49,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:28:49,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1548355290, now seen corresponding path program 1 times [2024-11-13 16:28:49,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:28:49,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552268687] [2024-11-13 16:28:49,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:28:49,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:28:50,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:53,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:28:53,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:28:53,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552268687] [2024-11-13 16:28:53,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552268687] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:28:53,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:28:53,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 16:28:53,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763957526] [2024-11-13 16:28:53,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:28:53,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 16:28:53,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:28:53,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 16:28:53,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-13 16:28:53,027 INFO L87 Difference]: Start difference. First operand 17232 states and 25813 transitions. Second operand has 7 states, 7 states have (on average 73.85714285714286) internal successors, (517), 7 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:28:54,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:28:54,185 INFO L93 Difference]: Finished difference Result 36101 states and 54071 transitions. [2024-11-13 16:28:54,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 16:28:54,186 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 73.85714285714286) internal successors, (517), 7 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 517 [2024-11-13 16:28:54,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:28:54,201 INFO L225 Difference]: With dead ends: 36101 [2024-11-13 16:28:54,201 INFO L226 Difference]: Without dead ends: 19679 [2024-11-13 16:28:54,212 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-13 16:28:54,212 INFO L432 NwaCegarLoop]: 26933 mSDtfsCounter, 26852 mSDsluCounter, 104842 mSDsCounter, 0 mSdLazyCounter, 308 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26852 SdHoareTripleChecker+Valid, 131775 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 16:28:54,213 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26852 Valid, 131775 Invalid, 308 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [0 Valid, 308 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 16:28:54,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19679 states. [2024-11-13 16:28:54,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19679 to 17232. [2024-11-13 16:28:54,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17232 states, 17231 states have (on average 1.4980558296094248) internal successors, (25813), 17231 states have internal predecessors, (25813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:28:54,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17232 states to 17232 states and 25813 transitions. [2024-11-13 16:28:54,417 INFO L78 Accepts]: Start accepts. Automaton has 17232 states and 25813 transitions. Word has length 517 [2024-11-13 16:28:54,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:28:54,417 INFO L471 AbstractCegarLoop]: Abstraction has 17232 states and 25813 transitions. [2024-11-13 16:28:54,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 73.85714285714286) internal successors, (517), 7 states have internal predecessors, (517), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:28:54,418 INFO L276 IsEmpty]: Start isEmpty. Operand 17232 states and 25813 transitions. [2024-11-13 16:28:54,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 519 [2024-11-13 16:28:54,420 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:28:54,421 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:28:54,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-13 16:28:54,421 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:28:54,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:28:54,421 INFO L85 PathProgramCache]: Analyzing trace with hash 864984517, now seen corresponding path program 1 times [2024-11-13 16:28:54,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:28:54,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528118054] [2024-11-13 16:28:54,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:28:54,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:28:54,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:28:56,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:28:56,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:28:56,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528118054] [2024-11-13 16:28:56,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528118054] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:28:56,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:28:56,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 16:28:56,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211004816] [2024-11-13 16:28:56,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:28:56,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:28:56,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:28:56,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:28:56,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:28:56,367 INFO L87 Difference]: Start difference. First operand 17232 states and 25813 transitions. Second operand has 6 states, 6 states have (on average 86.33333333333333) internal successors, (518), 6 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:28:57,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:28:57,995 INFO L93 Difference]: Finished difference Result 33650 states and 50418 transitions. [2024-11-13 16:28:57,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:28:57,996 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 86.33333333333333) internal successors, (518), 6 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 518 [2024-11-13 16:28:57,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:28:58,008 INFO L225 Difference]: With dead ends: 33650 [2024-11-13 16:28:58,008 INFO L226 Difference]: Without dead ends: 17240 [2024-11-13 16:28:58,018 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:28:58,019 INFO L432 NwaCegarLoop]: 24004 mSDtfsCounter, 23955 mSDsluCounter, 72000 mSDsCounter, 0 mSdLazyCounter, 1035 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23955 SdHoareTripleChecker+Valid, 96004 SdHoareTripleChecker+Invalid, 1035 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1035 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-13 16:28:58,020 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23955 Valid, 96004 Invalid, 1035 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1035 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-13 16:28:58,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17240 states. [2024-11-13 16:28:58,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17240 to 17236. [2024-11-13 16:28:58,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17236 states, 17235 states have (on average 1.4979402378880187) internal successors, (25817), 17235 states have internal predecessors, (25817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:28:58,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17236 states to 17236 states and 25817 transitions. [2024-11-13 16:28:58,447 INFO L78 Accepts]: Start accepts. Automaton has 17236 states and 25817 transitions. Word has length 518 [2024-11-13 16:28:58,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:28:58,447 INFO L471 AbstractCegarLoop]: Abstraction has 17236 states and 25817 transitions. [2024-11-13 16:28:58,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 86.33333333333333) internal successors, (518), 6 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:28:58,448 INFO L276 IsEmpty]: Start isEmpty. Operand 17236 states and 25817 transitions. [2024-11-13 16:28:58,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 519 [2024-11-13 16:28:58,451 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:28:58,452 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:28:58,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-13 16:28:58,452 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:28:58,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:28:58,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1809965974, now seen corresponding path program 1 times [2024-11-13 16:28:58,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:28:58,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558421567] [2024-11-13 16:28:58,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:28:58,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:28:58,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:29:01,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:29:01,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:29:01,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558421567] [2024-11-13 16:29:01,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558421567] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:29:01,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:29:01,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 16:29:01,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797545061] [2024-11-13 16:29:01,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:29:01,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 16:29:01,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:29:01,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 16:29:01,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-13 16:29:01,751 INFO L87 Difference]: Start difference. First operand 17236 states and 25817 transitions. Second operand has 9 states, 9 states have (on average 57.55555555555556) internal successors, (518), 9 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:29:06,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:29:06,266 INFO L93 Difference]: Finished difference Result 33268 states and 49845 transitions. [2024-11-13 16:29:06,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 16:29:06,267 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 57.55555555555556) internal successors, (518), 9 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 518 [2024-11-13 16:29:06,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:29:06,287 INFO L225 Difference]: With dead ends: 33268 [2024-11-13 16:29:06,287 INFO L226 Difference]: Without dead ends: 17254 [2024-11-13 16:29:06,296 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-11-13 16:29:06,298 INFO L432 NwaCegarLoop]: 24129 mSDtfsCounter, 26428 mSDsluCounter, 120647 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26428 SdHoareTripleChecker+Valid, 144776 SdHoareTripleChecker+Invalid, 792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-11-13 16:29:06,299 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26428 Valid, 144776 Invalid, 792 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [1 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-11-13 16:29:06,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17254 states. [2024-11-13 16:29:06,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17254 to 17240. [2024-11-13 16:29:06,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17240 states, 17239 states have (on average 1.4978827078136783) internal successors, (25822), 17239 states have internal predecessors, (25822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:29:06,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17240 states to 17240 states and 25822 transitions. [2024-11-13 16:29:06,489 INFO L78 Accepts]: Start accepts. Automaton has 17240 states and 25822 transitions. Word has length 518 [2024-11-13 16:29:06,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:29:06,489 INFO L471 AbstractCegarLoop]: Abstraction has 17240 states and 25822 transitions. [2024-11-13 16:29:06,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 57.55555555555556) internal successors, (518), 9 states have internal predecessors, (518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:29:06,489 INFO L276 IsEmpty]: Start isEmpty. Operand 17240 states and 25822 transitions. [2024-11-13 16:29:06,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 520 [2024-11-13 16:29:06,492 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:29:06,493 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:29:06,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-13 16:29:06,493 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:29:06,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:29:06,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1838918771, now seen corresponding path program 1 times [2024-11-13 16:29:06,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:29:06,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936844526] [2024-11-13 16:29:06,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:29:06,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:29:07,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:29:10,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:29:10,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:29:10,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936844526] [2024-11-13 16:29:10,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936844526] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:29:10,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:29:10,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 16:29:10,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063494384] [2024-11-13 16:29:10,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:29:10,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 16:29:10,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:29:10,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 16:29:10,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-13 16:29:10,700 INFO L87 Difference]: Start difference. First operand 17240 states and 25822 transitions. Second operand has 9 states, 9 states have (on average 57.666666666666664) internal successors, (519), 9 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:29:13,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:29:13,016 INFO L93 Difference]: Finished difference Result 34068 states and 51030 transitions. [2024-11-13 16:29:13,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 16:29:13,017 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 57.666666666666664) internal successors, (519), 9 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 519 [2024-11-13 16:29:13,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:29:13,033 INFO L225 Difference]: With dead ends: 34068 [2024-11-13 16:29:13,033 INFO L226 Difference]: Without dead ends: 17352 [2024-11-13 16:29:13,043 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-13 16:29:13,044 INFO L432 NwaCegarLoop]: 24093 mSDtfsCounter, 24035 mSDsluCounter, 144505 mSDsCounter, 0 mSdLazyCounter, 1198 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24035 SdHoareTripleChecker+Valid, 168598 SdHoareTripleChecker+Invalid, 1199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-13 16:29:13,044 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24035 Valid, 168598 Invalid, 1199 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [1 Valid, 1198 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-13 16:29:13,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17352 states. [2024-11-13 16:29:13,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17352 to 17352. [2024-11-13 16:29:13,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17352 states, 17351 states have (on average 1.4972047720592474) internal successors, (25978), 17351 states have internal predecessors, (25978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:29:13,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17352 states to 17352 states and 25978 transitions. [2024-11-13 16:29:13,332 INFO L78 Accepts]: Start accepts. Automaton has 17352 states and 25978 transitions. Word has length 519 [2024-11-13 16:29:13,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:29:13,332 INFO L471 AbstractCegarLoop]: Abstraction has 17352 states and 25978 transitions. [2024-11-13 16:29:13,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 57.666666666666664) internal successors, (519), 9 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:29:13,332 INFO L276 IsEmpty]: Start isEmpty. Operand 17352 states and 25978 transitions. [2024-11-13 16:29:13,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 520 [2024-11-13 16:29:13,338 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:29:13,338 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:29:13,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-13 16:29:13,339 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:29:13,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:29:13,339 INFO L85 PathProgramCache]: Analyzing trace with hash 1166158436, now seen corresponding path program 1 times [2024-11-13 16:29:13,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:29:13,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110052305] [2024-11-13 16:29:13,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:29:13,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:29:14,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:29:15,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:29:15,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:29:15,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110052305] [2024-11-13 16:29:15,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110052305] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:29:15,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:29:15,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-13 16:29:15,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910776710] [2024-11-13 16:29:15,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:29:15,834 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 16:29:15,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:29:15,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 16:29:15,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-13 16:29:15,836 INFO L87 Difference]: Start difference. First operand 17352 states and 25978 transitions. Second operand has 8 states, 8 states have (on average 64.875) internal successors, (519), 8 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:29:17,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:29:17,318 INFO L93 Difference]: Finished difference Result 33693 states and 50461 transitions. [2024-11-13 16:29:17,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 16:29:17,319 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 64.875) internal successors, (519), 8 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 519 [2024-11-13 16:29:17,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:29:17,328 INFO L225 Difference]: With dead ends: 33693 [2024-11-13 16:29:17,329 INFO L226 Difference]: Without dead ends: 17376 [2024-11-13 16:29:17,334 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-13 16:29:17,335 INFO L432 NwaCegarLoop]: 24204 mSDtfsCounter, 23900 mSDsluCounter, 121008 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23900 SdHoareTripleChecker+Valid, 145212 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 16:29:17,335 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23900 Valid, 145212 Invalid, 354 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [0 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 16:29:17,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17376 states. [2024-11-13 16:29:17,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17376 to 17370. [2024-11-13 16:29:17,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17370 states, 17369 states have (on average 1.4970349473199378) internal successors, (26002), 17369 states have internal predecessors, (26002), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:29:17,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17370 states to 17370 states and 26002 transitions. [2024-11-13 16:29:17,508 INFO L78 Accepts]: Start accepts. Automaton has 17370 states and 26002 transitions. Word has length 519 [2024-11-13 16:29:17,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:29:17,509 INFO L471 AbstractCegarLoop]: Abstraction has 17370 states and 26002 transitions. [2024-11-13 16:29:17,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 64.875) internal successors, (519), 8 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:29:17,509 INFO L276 IsEmpty]: Start isEmpty. Operand 17370 states and 26002 transitions. [2024-11-13 16:29:17,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 521 [2024-11-13 16:29:17,512 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:29:17,512 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:29:17,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-13 16:29:17,512 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:29:17,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:29:17,513 INFO L85 PathProgramCache]: Analyzing trace with hash 927591150, now seen corresponding path program 1 times [2024-11-13 16:29:17,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:29:17,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169372101] [2024-11-13 16:29:17,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:29:17,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:29:17,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:29:18,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:29:18,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:29:18,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169372101] [2024-11-13 16:29:18,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169372101] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:29:18,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:29:18,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 16:29:18,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463006458] [2024-11-13 16:29:18,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:29:18,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:29:18,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:29:18,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:29:18,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:29:18,671 INFO L87 Difference]: Start difference. First operand 17370 states and 26002 transitions. Second operand has 6 states, 6 states have (on average 86.66666666666667) internal successors, (520), 6 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:29:20,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:29:20,403 INFO L93 Difference]: Finished difference Result 33700 states and 50469 transitions. [2024-11-13 16:29:20,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:29:20,404 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 86.66666666666667) internal successors, (520), 6 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 520 [2024-11-13 16:29:20,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:29:20,416 INFO L225 Difference]: With dead ends: 33700 [2024-11-13 16:29:20,416 INFO L226 Difference]: Without dead ends: 17378 [2024-11-13 16:29:20,425 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:29:20,425 INFO L432 NwaCegarLoop]: 24004 mSDtfsCounter, 23874 mSDsluCounter, 72002 mSDsCounter, 0 mSdLazyCounter, 1035 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23874 SdHoareTripleChecker+Valid, 96006 SdHoareTripleChecker+Invalid, 1035 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1035 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-13 16:29:20,426 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23874 Valid, 96006 Invalid, 1035 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [0 Valid, 1035 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-13 16:29:20,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17378 states. [2024-11-13 16:29:20,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17378 to 17374. [2024-11-13 16:29:20,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17374 states, 17373 states have (on average 1.4969205088355495) internal successors, (26006), 17373 states have internal predecessors, (26006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:29:20,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17374 states to 17374 states and 26006 transitions. [2024-11-13 16:29:20,609 INFO L78 Accepts]: Start accepts. Automaton has 17374 states and 26006 transitions. Word has length 520 [2024-11-13 16:29:20,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:29:20,609 INFO L471 AbstractCegarLoop]: Abstraction has 17374 states and 26006 transitions. [2024-11-13 16:29:20,610 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 86.66666666666667) internal successors, (520), 6 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:29:20,610 INFO L276 IsEmpty]: Start isEmpty. Operand 17374 states and 26006 transitions. [2024-11-13 16:29:20,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 521 [2024-11-13 16:29:20,612 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:29:20,613 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:29:20,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-13 16:29:20,613 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:29:20,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:29:20,613 INFO L85 PathProgramCache]: Analyzing trace with hash -227436061, now seen corresponding path program 1 times [2024-11-13 16:29:20,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:29:20,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826840411] [2024-11-13 16:29:20,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:29:20,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:29:21,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:29:23,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:29:23,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:29:23,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826840411] [2024-11-13 16:29:23,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826840411] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:29:23,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:29:23,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 16:29:23,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861397447] [2024-11-13 16:29:23,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:29:23,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 16:29:23,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:29:23,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 16:29:23,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-13 16:29:23,279 INFO L87 Difference]: Start difference. First operand 17374 states and 26006 transitions. Second operand has 7 states, 7 states have (on average 74.28571428571429) internal successors, (520), 7 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:29:24,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:29:24,414 INFO L93 Difference]: Finished difference Result 33870 states and 50714 transitions. [2024-11-13 16:29:24,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 16:29:24,415 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 74.28571428571429) internal successors, (520), 7 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 520 [2024-11-13 16:29:24,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:29:24,426 INFO L225 Difference]: With dead ends: 33870 [2024-11-13 16:29:24,426 INFO L226 Difference]: Without dead ends: 17362 [2024-11-13 16:29:24,435 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-13 16:29:24,435 INFO L432 NwaCegarLoop]: 24196 mSDtfsCounter, 26849 mSDsluCounter, 93921 mSDsCounter, 0 mSdLazyCounter, 279 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26849 SdHoareTripleChecker+Valid, 118117 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 16:29:24,435 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26849 Valid, 118117 Invalid, 281 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 279 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 16:29:24,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17362 states. [2024-11-13 16:29:24,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17362 to 17002. [2024-11-13 16:29:24,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17002 states, 17001 states have (on average 1.4976766072583965) internal successors, (25462), 17001 states have internal predecessors, (25462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:29:24,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17002 states to 17002 states and 25462 transitions. [2024-11-13 16:29:24,614 INFO L78 Accepts]: Start accepts. Automaton has 17002 states and 25462 transitions. Word has length 520 [2024-11-13 16:29:24,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:29:24,614 INFO L471 AbstractCegarLoop]: Abstraction has 17002 states and 25462 transitions. [2024-11-13 16:29:24,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 74.28571428571429) internal successors, (520), 7 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:29:24,615 INFO L276 IsEmpty]: Start isEmpty. Operand 17002 states and 25462 transitions. [2024-11-13 16:29:24,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 522 [2024-11-13 16:29:24,617 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:29:24,617 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:29:24,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-13 16:29:24,618 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:29:24,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:29:24,618 INFO L85 PathProgramCache]: Analyzing trace with hash -877694606, now seen corresponding path program 1 times [2024-11-13 16:29:24,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:29:24,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899340636] [2024-11-13 16:29:24,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:29:24,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:29:24,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:29:25,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:29:25,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:29:25,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899340636] [2024-11-13 16:29:25,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899340636] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:29:25,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:29:25,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 16:29:25,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956698870] [2024-11-13 16:29:25,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:29:25,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:29:25,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:29:25,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:29:25,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:29:25,456 INFO L87 Difference]: Start difference. First operand 17002 states and 25462 transitions. Second operand has 4 states, 4 states have (on average 130.25) internal successors, (521), 4 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:29:25,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:29:25,712 INFO L93 Difference]: Finished difference Result 33321 states and 49911 transitions. [2024-11-13 16:29:25,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:29:25,713 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 130.25) internal successors, (521), 4 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 521 [2024-11-13 16:29:25,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:29:25,725 INFO L225 Difference]: With dead ends: 33321 [2024-11-13 16:29:25,725 INFO L226 Difference]: Without dead ends: 17008 [2024-11-13 16:29:25,735 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:29:25,735 INFO L432 NwaCegarLoop]: 24256 mSDtfsCounter, 0 mSDsluCounter, 48504 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 72760 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:29:25,736 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72760 Invalid, 16 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 16:29:25,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17008 states. [2024-11-13 16:29:25,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17008 to 17008. [2024-11-13 16:29:25,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17008 states, 17007 states have (on average 1.4975010289880637) internal successors, (25468), 17007 states have internal predecessors, (25468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:29:25,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17008 states to 17008 states and 25468 transitions. [2024-11-13 16:29:25,915 INFO L78 Accepts]: Start accepts. Automaton has 17008 states and 25468 transitions. Word has length 521 [2024-11-13 16:29:25,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:29:25,915 INFO L471 AbstractCegarLoop]: Abstraction has 17008 states and 25468 transitions. [2024-11-13 16:29:25,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 130.25) internal successors, (521), 4 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:29:25,916 INFO L276 IsEmpty]: Start isEmpty. Operand 17008 states and 25468 transitions. [2024-11-13 16:29:25,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 522 [2024-11-13 16:29:25,918 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:29:25,918 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:29:25,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-13 16:29:25,919 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:29:25,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:29:25,919 INFO L85 PathProgramCache]: Analyzing trace with hash -81210226, now seen corresponding path program 1 times [2024-11-13 16:29:25,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:29:25,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505313404] [2024-11-13 16:29:25,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:29:25,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:29:26,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:29:27,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:29:27,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:29:27,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505313404] [2024-11-13 16:29:27,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505313404] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:29:27,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:29:27,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-13 16:29:27,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859795367] [2024-11-13 16:29:27,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:29:27,470 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 16:29:27,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:29:27,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 16:29:27,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-13 16:29:27,471 INFO L87 Difference]: Start difference. First operand 17008 states and 25468 transitions. Second operand has 9 states, 9 states have (on average 57.888888888888886) internal successors, (521), 9 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:29:30,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:29:30,315 INFO L93 Difference]: Finished difference Result 33441 states and 50087 transitions. [2024-11-13 16:29:30,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 16:29:30,316 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 57.888888888888886) internal successors, (521), 9 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 521 [2024-11-13 16:29:30,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:29:30,329 INFO L225 Difference]: With dead ends: 33441 [2024-11-13 16:29:30,329 INFO L226 Difference]: Without dead ends: 17190 [2024-11-13 16:29:30,339 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2024-11-13 16:29:30,340 INFO L432 NwaCegarLoop]: 23984 mSDtfsCounter, 24489 mSDsluCounter, 143755 mSDsCounter, 0 mSdLazyCounter, 1911 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24489 SdHoareTripleChecker+Valid, 167739 SdHoareTripleChecker+Invalid, 1911 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1911 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-13 16:29:30,340 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24489 Valid, 167739 Invalid, 1911 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [0 Valid, 1911 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-13 16:29:30,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17190 states. [2024-11-13 16:29:30,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17190 to 17126. [2024-11-13 16:29:30,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17126 states, 17125 states have (on average 1.4974598540145985) internal successors, (25644), 17125 states have internal predecessors, (25644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:29:30,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17126 states to 17126 states and 25644 transitions. [2024-11-13 16:29:30,522 INFO L78 Accepts]: Start accepts. Automaton has 17126 states and 25644 transitions. Word has length 521 [2024-11-13 16:29:30,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:29:30,523 INFO L471 AbstractCegarLoop]: Abstraction has 17126 states and 25644 transitions. [2024-11-13 16:29:30,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 57.888888888888886) internal successors, (521), 9 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:29:30,523 INFO L276 IsEmpty]: Start isEmpty. Operand 17126 states and 25644 transitions. [2024-11-13 16:29:30,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523 [2024-11-13 16:29:30,526 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:29:30,526 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:29:30,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-13 16:29:30,527 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:29:30,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:29:30,527 INFO L85 PathProgramCache]: Analyzing trace with hash -170522391, now seen corresponding path program 1 times [2024-11-13 16:29:30,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:29:30,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636589081] [2024-11-13 16:29:30,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:29:30,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:29:30,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:29:31,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:29:31,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:29:31,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636589081] [2024-11-13 16:29:31,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636589081] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:29:31,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:29:31,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 16:29:31,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967001297] [2024-11-13 16:29:31,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:29:31,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 16:29:31,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:29:31,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 16:29:31,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:29:31,856 INFO L87 Difference]: Start difference. First operand 17126 states and 25644 transitions. Second operand has 6 states, 6 states have (on average 87.0) internal successors, (522), 6 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:29:33,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:29:33,012 INFO L93 Difference]: Finished difference Result 33440 states and 50085 transitions. [2024-11-13 16:29:33,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 16:29:33,013 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 87.0) internal successors, (522), 6 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 522 [2024-11-13 16:29:33,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:29:33,026 INFO L225 Difference]: With dead ends: 33440 [2024-11-13 16:29:33,026 INFO L226 Difference]: Without dead ends: 17134 [2024-11-13 16:29:33,036 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-13 16:29:33,037 INFO L432 NwaCegarLoop]: 24108 mSDtfsCounter, 23919 mSDsluCounter, 72312 mSDsCounter, 0 mSdLazyCounter, 611 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23919 SdHoareTripleChecker+Valid, 96420 SdHoareTripleChecker+Invalid, 611 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 16:29:33,037 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23919 Valid, 96420 Invalid, 611 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 611 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 16:29:33,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17134 states. [2024-11-13 16:29:33,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17134 to 17130. [2024-11-13 16:29:33,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17130 states, 17129 states have (on average 1.4973436861463016) internal successors, (25648), 17129 states have internal predecessors, (25648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:29:33,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17130 states to 17130 states and 25648 transitions. [2024-11-13 16:29:33,220 INFO L78 Accepts]: Start accepts. Automaton has 17130 states and 25648 transitions. Word has length 522 [2024-11-13 16:29:33,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:29:33,220 INFO L471 AbstractCegarLoop]: Abstraction has 17130 states and 25648 transitions. [2024-11-13 16:29:33,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 87.0) internal successors, (522), 6 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:29:33,221 INFO L276 IsEmpty]: Start isEmpty. Operand 17130 states and 25648 transitions. [2024-11-13 16:29:33,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523 [2024-11-13 16:29:33,223 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:29:33,224 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:29:33,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-13 16:29:33,224 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:29:33,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:29:33,224 INFO L85 PathProgramCache]: Analyzing trace with hash 1947621615, now seen corresponding path program 1 times [2024-11-13 16:29:33,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:29:33,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573342743] [2024-11-13 16:29:33,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:29:33,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:29:33,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:29:34,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:29:34,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:29:34,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573342743] [2024-11-13 16:29:34,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573342743] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:29:34,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:29:34,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 16:29:34,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072661622] [2024-11-13 16:29:34,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:29:34,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 16:29:34,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:29:34,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 16:29:34,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-13 16:29:34,980 INFO L87 Difference]: Start difference. First operand 17130 states and 25648 transitions. Second operand has 7 states, 7 states have (on average 74.57142857142857) internal successors, (522), 7 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:29:35,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:29:35,661 INFO L93 Difference]: Finished difference Result 33442 states and 50085 transitions. [2024-11-13 16:29:35,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 16:29:35,662 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 74.57142857142857) internal successors, (522), 7 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 522 [2024-11-13 16:29:35,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:29:35,674 INFO L225 Difference]: With dead ends: 33442 [2024-11-13 16:29:35,675 INFO L226 Difference]: Without dead ends: 17130 [2024-11-13 16:29:35,684 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-13 16:29:35,685 INFO L432 NwaCegarLoop]: 24238 mSDtfsCounter, 122 mSDsluCounter, 96666 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 120904 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 16:29:35,685 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 120904 Invalid, 69 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 16:29:35,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17130 states. [2024-11-13 16:29:35,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17130 to 17012. [2024-11-13 16:29:35,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17012 states, 17011 states have (on average 1.4972664746340603) internal successors, (25470), 17011 states have internal predecessors, (25470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:29:35,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17012 states to 17012 states and 25470 transitions. [2024-11-13 16:29:35,881 INFO L78 Accepts]: Start accepts. Automaton has 17012 states and 25470 transitions. Word has length 522 [2024-11-13 16:29:35,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:29:35,881 INFO L471 AbstractCegarLoop]: Abstraction has 17012 states and 25470 transitions. [2024-11-13 16:29:35,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 74.57142857142857) internal successors, (522), 7 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:29:35,881 INFO L276 IsEmpty]: Start isEmpty. Operand 17012 states and 25470 transitions. [2024-11-13 16:29:35,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 524 [2024-11-13 16:29:35,884 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:29:35,884 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:29:35,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-13 16:29:35,885 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:29:35,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:29:35,885 INFO L85 PathProgramCache]: Analyzing trace with hash -2030537333, now seen corresponding path program 1 times [2024-11-13 16:29:35,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:29:35,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919479612] [2024-11-13 16:29:35,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:29:35,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:29:36,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:29:36,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:29:36,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:29:36,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919479612] [2024-11-13 16:29:36,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919479612] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:29:36,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:29:36,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 16:29:36,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510107717] [2024-11-13 16:29:36,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:29:36,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 16:29:36,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:29:36,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 16:29:36,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:29:36,843 INFO L87 Difference]: Start difference. First operand 17012 states and 25470 transitions. Second operand has 4 states, 4 states have (on average 130.75) internal successors, (523), 4 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:29:37,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:29:37,107 INFO L93 Difference]: Finished difference Result 33272 states and 49827 transitions. [2024-11-13 16:29:37,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 16:29:37,108 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 130.75) internal successors, (523), 4 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 523 [2024-11-13 16:29:37,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:29:37,121 INFO L225 Difference]: With dead ends: 33272 [2024-11-13 16:29:37,121 INFO L226 Difference]: Without dead ends: 17018 [2024-11-13 16:29:37,131 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 16:29:37,132 INFO L432 NwaCegarLoop]: 24255 mSDtfsCounter, 0 mSDsluCounter, 48502 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 72757 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 16:29:37,132 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72757 Invalid, 16 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 16:29:37,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17018 states. [2024-11-13 16:29:37,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17018 to 17018. [2024-11-13 16:29:37,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17018 states, 17017 states have (on average 1.4970911441499677) internal successors, (25476), 17017 states have internal predecessors, (25476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:29:37,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17018 states to 17018 states and 25476 transitions. [2024-11-13 16:29:37,321 INFO L78 Accepts]: Start accepts. Automaton has 17018 states and 25476 transitions. Word has length 523 [2024-11-13 16:29:37,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:29:37,321 INFO L471 AbstractCegarLoop]: Abstraction has 17018 states and 25476 transitions. [2024-11-13 16:29:37,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 130.75) internal successors, (523), 4 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:29:37,321 INFO L276 IsEmpty]: Start isEmpty. Operand 17018 states and 25476 transitions. [2024-11-13 16:29:37,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 524 [2024-11-13 16:29:37,324 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:29:37,325 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:29:37,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-13 16:29:37,325 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:29:37,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:29:37,326 INFO L85 PathProgramCache]: Analyzing trace with hash -756725593, now seen corresponding path program 1 times [2024-11-13 16:29:37,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:29:37,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749349500] [2024-11-13 16:29:37,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:29:37,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:29:37,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:29:39,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:29:39,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:29:39,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749349500] [2024-11-13 16:29:39,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749349500] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:29:39,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:29:39,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 16:29:39,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355933351] [2024-11-13 16:29:39,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:29:39,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 16:29:39,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:29:39,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 16:29:39,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-13 16:29:39,315 INFO L87 Difference]: Start difference. First operand 17018 states and 25476 transitions. Second operand has 10 states, 10 states have (on average 52.3) internal successors, (523), 10 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:29:41,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:29:41,070 INFO L93 Difference]: Finished difference Result 33286 states and 49845 transitions. [2024-11-13 16:29:41,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 16:29:41,071 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 52.3) internal successors, (523), 10 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 523 [2024-11-13 16:29:41,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:29:41,084 INFO L225 Difference]: With dead ends: 33286 [2024-11-13 16:29:41,085 INFO L226 Difference]: Without dead ends: 17038 [2024-11-13 16:29:41,095 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-13 16:29:41,095 INFO L432 NwaCegarLoop]: 24150 mSDtfsCounter, 23924 mSDsluCounter, 169028 mSDsCounter, 0 mSdLazyCounter, 879 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23924 SdHoareTripleChecker+Valid, 193178 SdHoareTripleChecker+Invalid, 880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 879 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-13 16:29:41,096 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23924 Valid, 193178 Invalid, 880 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [1 Valid, 879 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-13 16:29:41,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17038 states. [2024-11-13 16:29:41,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17038 to 17030. [2024-11-13 16:29:41,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17030 states, 17029 states have (on average 1.4969757472546832) internal successors, (25492), 17029 states have internal predecessors, (25492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:29:41,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17030 states to 17030 states and 25492 transitions. [2024-11-13 16:29:41,287 INFO L78 Accepts]: Start accepts. Automaton has 17030 states and 25492 transitions. Word has length 523 [2024-11-13 16:29:41,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:29:41,287 INFO L471 AbstractCegarLoop]: Abstraction has 17030 states and 25492 transitions. [2024-11-13 16:29:41,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 52.3) internal successors, (523), 10 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:29:41,288 INFO L276 IsEmpty]: Start isEmpty. Operand 17030 states and 25492 transitions. [2024-11-13 16:29:41,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2024-11-13 16:29:41,292 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:29:41,293 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:29:41,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-13 16:29:41,293 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:29:41,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:29:41,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1295388453, now seen corresponding path program 1 times [2024-11-13 16:29:41,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:29:41,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297145683] [2024-11-13 16:29:41,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:29:41,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:29:41,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:29:43,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:29:43,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:29:43,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297145683] [2024-11-13 16:29:43,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297145683] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:29:43,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:29:43,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-13 16:29:43,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191904374] [2024-11-13 16:29:43,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:29:43,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 16:29:43,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:29:43,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 16:29:43,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-13 16:29:43,563 INFO L87 Difference]: Start difference. First operand 17030 states and 25492 transitions. Second operand has 14 states, 14 states have (on average 37.42857142857143) internal successors, (524), 14 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:29:45,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:29:45,634 INFO L93 Difference]: Finished difference Result 33300 states and 49861 transitions. [2024-11-13 16:29:45,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 16:29:45,635 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 37.42857142857143) internal successors, (524), 14 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 524 [2024-11-13 16:29:45,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:29:45,648 INFO L225 Difference]: With dead ends: 33300 [2024-11-13 16:29:45,648 INFO L226 Difference]: Without dead ends: 17054 [2024-11-13 16:29:45,658 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-13 16:29:45,658 INFO L432 NwaCegarLoop]: 24169 mSDtfsCounter, 23934 mSDsluCounter, 265821 mSDsCounter, 0 mSdLazyCounter, 1093 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23934 SdHoareTripleChecker+Valid, 289990 SdHoareTripleChecker+Invalid, 1094 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1093 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-13 16:29:45,658 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23934 Valid, 289990 Invalid, 1094 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [1 Valid, 1093 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-13 16:29:45,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17054 states. [2024-11-13 16:29:45,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17054 to 17042. [2024-11-13 16:29:46,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17042 states, 17041 states have (on average 1.4968605128806995) internal successors, (25508), 17041 states have internal predecessors, (25508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:29:46,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17042 states to 17042 states and 25508 transitions. [2024-11-13 16:29:46,029 INFO L78 Accepts]: Start accepts. Automaton has 17042 states and 25508 transitions. Word has length 524 [2024-11-13 16:29:46,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:29:46,029 INFO L471 AbstractCegarLoop]: Abstraction has 17042 states and 25508 transitions. [2024-11-13 16:29:46,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 37.42857142857143) internal successors, (524), 14 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:29:46,029 INFO L276 IsEmpty]: Start isEmpty. Operand 17042 states and 25508 transitions. [2024-11-13 16:29:46,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2024-11-13 16:29:46,032 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:29:46,032 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:29:46,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-13 16:29:46,032 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:29:46,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:29:46,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1299831174, now seen corresponding path program 1 times [2024-11-13 16:29:46,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:29:46,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984764118] [2024-11-13 16:29:46,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:29:46,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:29:46,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:29:47,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:29:47,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:29:47,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984764118] [2024-11-13 16:29:47,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984764118] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:29:47,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:29:47,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-13 16:29:47,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634127825] [2024-11-13 16:29:47,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:29:47,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 16:29:47,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:29:47,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 16:29:47,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-13 16:29:47,577 INFO L87 Difference]: Start difference. First operand 17042 states and 25508 transitions. Second operand has 11 states, 11 states have (on average 47.63636363636363) internal successors, (524), 11 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:29:57,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:29:57,389 INFO L93 Difference]: Finished difference Result 33621 states and 50319 transitions. [2024-11-13 16:29:57,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 16:29:57,390 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 47.63636363636363) internal successors, (524), 11 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 524 [2024-11-13 16:29:57,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:29:57,404 INFO L225 Difference]: With dead ends: 33621 [2024-11-13 16:29:57,404 INFO L226 Difference]: Without dead ends: 17276 [2024-11-13 16:29:57,414 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=61, Invalid=245, Unknown=0, NotChecked=0, Total=306 [2024-11-13 16:29:57,415 INFO L432 NwaCegarLoop]: 23325 mSDtfsCounter, 48583 mSDsluCounter, 163255 mSDsCounter, 0 mSdLazyCounter, 7481 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48583 SdHoareTripleChecker+Valid, 186580 SdHoareTripleChecker+Invalid, 7482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7481 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2024-11-13 16:29:57,415 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48583 Valid, 186580 Invalid, 7482 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [1 Valid, 7481 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2024-11-13 16:29:57,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17276 states. [2024-11-13 16:29:57,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17276 to 17058. [2024-11-13 16:29:57,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17058 states, 17057 states have (on average 1.4965116960778566) internal successors, (25526), 17057 states have internal predecessors, (25526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:29:57,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17058 states to 17058 states and 25526 transitions. [2024-11-13 16:29:57,725 INFO L78 Accepts]: Start accepts. Automaton has 17058 states and 25526 transitions. Word has length 524 [2024-11-13 16:29:57,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:29:57,726 INFO L471 AbstractCegarLoop]: Abstraction has 17058 states and 25526 transitions. [2024-11-13 16:29:57,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 47.63636363636363) internal successors, (524), 11 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:29:57,726 INFO L276 IsEmpty]: Start isEmpty. Operand 17058 states and 25526 transitions. [2024-11-13 16:29:57,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 526 [2024-11-13 16:29:57,730 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:29:57,730 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:29:57,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-13 16:29:57,730 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:29:57,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:29:57,731 INFO L85 PathProgramCache]: Analyzing trace with hash -845550203, now seen corresponding path program 1 times [2024-11-13 16:29:57,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:29:57,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683029331] [2024-11-13 16:29:57,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:29:57,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:29:58,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:29:59,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:29:59,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 16:29:59,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683029331] [2024-11-13 16:29:59,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683029331] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 16:29:59,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 16:29:59,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-13 16:29:59,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604795393] [2024-11-13 16:29:59,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 16:29:59,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 16:29:59,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 16:29:59,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 16:29:59,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-13 16:29:59,819 INFO L87 Difference]: Start difference. First operand 17058 states and 25526 transitions. Second operand has 10 states, 10 states have (on average 52.5) internal successors, (525), 10 states have internal predecessors, (525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:30:04,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 16:30:04,874 INFO L93 Difference]: Finished difference Result 33577 states and 50248 transitions. [2024-11-13 16:30:04,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 16:30:04,875 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 52.5) internal successors, (525), 10 states have internal predecessors, (525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 525 [2024-11-13 16:30:04,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 16:30:04,887 INFO L225 Difference]: With dead ends: 33577 [2024-11-13 16:30:04,887 INFO L226 Difference]: Without dead ends: 17276 [2024-11-13 16:30:04,897 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-13 16:30:04,898 INFO L432 NwaCegarLoop]: 23627 mSDtfsCounter, 24531 mSDsluCounter, 118209 mSDsCounter, 0 mSdLazyCounter, 4137 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24531 SdHoareTripleChecker+Valid, 141836 SdHoareTripleChecker+Invalid, 4139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-13 16:30:04,898 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24531 Valid, 141836 Invalid, 4139 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2 Valid, 4137 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2024-11-13 16:30:04,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17276 states. [2024-11-13 16:30:05,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17276 to 17160. [2024-11-13 16:30:05,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17160 states, 17159 states have (on average 1.4963575965965383) internal successors, (25676), 17159 states have internal predecessors, (25676), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:30:05,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17160 states to 17160 states and 25676 transitions. [2024-11-13 16:30:05,181 INFO L78 Accepts]: Start accepts. Automaton has 17160 states and 25676 transitions. Word has length 525 [2024-11-13 16:30:05,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 16:30:05,181 INFO L471 AbstractCegarLoop]: Abstraction has 17160 states and 25676 transitions. [2024-11-13 16:30:05,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 52.5) internal successors, (525), 10 states have internal predecessors, (525), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 16:30:05,182 INFO L276 IsEmpty]: Start isEmpty. Operand 17160 states and 25676 transitions. [2024-11-13 16:30:05,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 526 [2024-11-13 16:30:05,188 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 16:30:05,188 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 16:30:05,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-13 16:30:05,189 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 16:30:05,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:30:05,189 INFO L85 PathProgramCache]: Analyzing trace with hash -447038786, now seen corresponding path program 1 times [2024-11-13 16:30:05,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:30:05,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753214187] [2024-11-13 16:30:05,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:30:05,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms