./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-56.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-56.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b7631e67103b054fabd01a8c7dc28db4ad53089a3ed7fae04e9555b7ae75d07e --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 13:47:26,146 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 13:47:26,215 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 13:47:26,223 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 13:47:26,224 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 13:47:26,255 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 13:47:26,257 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 13:47:26,257 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 13:47:26,258 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 13:47:26,259 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 13:47:26,259 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 13:47:26,260 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 13:47:26,261 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 13:47:26,262 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 13:47:26,263 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 13:47:26,263 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 13:47:26,263 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 13:47:26,264 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 13:47:26,264 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 13:47:26,264 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 13:47:26,265 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 13:47:26,265 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 13:47:26,269 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 13:47:26,269 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 13:47:26,270 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 13:47:26,270 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 13:47:26,270 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 13:47:26,270 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 13:47:26,270 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 13:47:26,271 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 13:47:26,271 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 13:47:26,271 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 13:47:26,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 13:47:26,272 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 13:47:26,272 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 13:47:26,272 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 13:47:26,272 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 13:47:26,272 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 13:47:26,273 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 13:47:26,273 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 13:47:26,273 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 13:47:26,274 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 13:47:26,275 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b7631e67103b054fabd01a8c7dc28db4ad53089a3ed7fae04e9555b7ae75d07e [2024-10-14 13:47:26,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 13:47:26,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 13:47:26,577 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 13:47:26,578 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 13:47:26,578 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 13:47:26,580 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-56.i [2024-10-14 13:47:28,020 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 13:47:28,247 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 13:47:28,247 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-56.i [2024-10-14 13:47:28,259 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e09f65fc/1d101973df1542ec84b11fe43159c774/FLAGb7db90a82 [2024-10-14 13:47:28,602 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e09f65fc/1d101973df1542ec84b11fe43159c774 [2024-10-14 13:47:28,604 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 13:47:28,606 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 13:47:28,610 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 13:47:28,610 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 13:47:28,616 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 13:47:28,616 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 01:47:28" (1/1) ... [2024-10-14 13:47:28,617 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50eeb938 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:47:28, skipping insertion in model container [2024-10-14 13:47:28,620 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 01:47:28" (1/1) ... [2024-10-14 13:47:28,656 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 13:47:28,819 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-56.i[916,929] [2024-10-14 13:47:28,901 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 13:47:28,912 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 13:47:28,925 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-56.i[916,929] [2024-10-14 13:47:28,986 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 13:47:29,009 INFO L204 MainTranslator]: Completed translation [2024-10-14 13:47:29,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:47:29 WrapperNode [2024-10-14 13:47:29,010 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 13:47:29,011 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 13:47:29,011 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 13:47:29,012 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 13:47:29,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:47:29" (1/1) ... [2024-10-14 13:47:29,032 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:47:29" (1/1) ... [2024-10-14 13:47:29,077 INFO L138 Inliner]: procedures = 29, calls = 191, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 609 [2024-10-14 13:47:29,078 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 13:47:29,079 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 13:47:29,083 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 13:47:29,083 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 13:47:29,098 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:47:29" (1/1) ... [2024-10-14 13:47:29,099 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:47:29" (1/1) ... [2024-10-14 13:47:29,107 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:47:29" (1/1) ... [2024-10-14 13:47:29,138 INFO L175 MemorySlicer]: Split 147 memory accesses to 15 slices as follows [2, 9, 16, 8, 22, 20, 12, 3, 6, 6, 8, 6, 15, 8, 6]. 15 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 18 writes are split as follows [0, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 4, 1, 1]. [2024-10-14 13:47:29,138 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:47:29" (1/1) ... [2024-10-14 13:47:29,139 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:47:29" (1/1) ... [2024-10-14 13:47:29,159 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:47:29" (1/1) ... [2024-10-14 13:47:29,164 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:47:29" (1/1) ... [2024-10-14 13:47:29,171 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:47:29" (1/1) ... [2024-10-14 13:47:29,175 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:47:29" (1/1) ... [2024-10-14 13:47:29,188 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 13:47:29,189 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 13:47:29,189 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 13:47:29,189 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 13:47:29,190 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:47:29" (1/1) ... [2024-10-14 13:47:29,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 13:47:29,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 13:47:29,227 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 13:47:29,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 13:47:29,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 13:47:29,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-10-14 13:47:29,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-10-14 13:47:29,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-10-14 13:47:29,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-10-14 13:47:29,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-10-14 13:47:29,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-10-14 13:47:29,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-10-14 13:47:29,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-10-14 13:47:29,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-10-14 13:47:29,288 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-10-14 13:47:29,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-10-14 13:47:29,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-10-14 13:47:29,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2024-10-14 13:47:29,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#13 [2024-10-14 13:47:29,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#14 [2024-10-14 13:47:29,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-14 13:47:29,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-14 13:47:29,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-14 13:47:29,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-14 13:47:29,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-14 13:47:29,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-14 13:47:29,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-14 13:47:29,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-14 13:47:29,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-10-14 13:47:29,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-10-14 13:47:29,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-10-14 13:47:29,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-10-14 13:47:29,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-10-14 13:47:29,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-10-14 13:47:29,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-10-14 13:47:29,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-10-14 13:47:29,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-10-14 13:47:29,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-10-14 13:47:29,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-10-14 13:47:29,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-10-14 13:47:29,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-10-14 13:47:29,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-10-14 13:47:29,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-10-14 13:47:29,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-10-14 13:47:29,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-10-14 13:47:29,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-10-14 13:47:29,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-10-14 13:47:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2024-10-14 13:47:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#13 [2024-10-14 13:47:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#14 [2024-10-14 13:47:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-14 13:47:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-14 13:47:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-14 13:47:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-14 13:47:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-14 13:47:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-14 13:47:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-14 13:47:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-14 13:47:29,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-10-14 13:47:29,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-10-14 13:47:29,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-10-14 13:47:29,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-10-14 13:47:29,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-10-14 13:47:29,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-10-14 13:47:29,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-10-14 13:47:29,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-10-14 13:47:29,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-10-14 13:47:29,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-10-14 13:47:29,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-10-14 13:47:29,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-10-14 13:47:29,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-10-14 13:47:29,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-10-14 13:47:29,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-10-14 13:47:29,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-10-14 13:47:29,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-10-14 13:47:29,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-10-14 13:47:29,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-10-14 13:47:29,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#12 [2024-10-14 13:47:29,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#13 [2024-10-14 13:47:29,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#14 [2024-10-14 13:47:29,299 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 13:47:29,299 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 13:47:29,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 13:47:29,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-14 13:47:29,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-14 13:47:29,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-14 13:47:29,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-14 13:47:29,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-14 13:47:29,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-14 13:47:29,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-14 13:47:29,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-10-14 13:47:29,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-10-14 13:47:29,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-10-14 13:47:29,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-10-14 13:47:29,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-10-14 13:47:29,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-10-14 13:47:29,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-10-14 13:47:29,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 13:47:29,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 13:47:29,521 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 13:47:29,523 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 13:47:30,200 INFO L? ?]: Removed 158 outVars from TransFormulas that were not future-live. [2024-10-14 13:47:30,201 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 13:47:30,262 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 13:47:30,262 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 13:47:30,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 01:47:30 BoogieIcfgContainer [2024-10-14 13:47:30,263 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 13:47:30,268 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 13:47:30,268 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 13:47:30,272 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 13:47:30,273 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 01:47:28" (1/3) ... [2024-10-14 13:47:30,274 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b1df6cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 01:47:30, skipping insertion in model container [2024-10-14 13:47:30,275 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 01:47:29" (2/3) ... [2024-10-14 13:47:30,275 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b1df6cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 01:47:30, skipping insertion in model container [2024-10-14 13:47:30,276 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 01:47:30" (3/3) ... [2024-10-14 13:47:30,277 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-56.i [2024-10-14 13:47:30,301 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 13:47:30,302 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 13:47:30,408 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 13:47:30,417 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;@6cc26edc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 13:47:30,417 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 13:47:30,422 INFO L276 IsEmpty]: Start isEmpty. Operand has 119 states, 97 states have (on average 1.4639175257731958) internal successors, (142), 98 states have internal predecessors, (142), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-14 13:47:30,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-10-14 13:47:30,441 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:47:30,442 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:47:30,443 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:47:30,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:47:30,450 INFO L85 PathProgramCache]: Analyzing trace with hash -400416270, now seen corresponding path program 1 times [2024-10-14 13:47:30,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 13:47:30,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187475168] [2024-10-14 13:47:30,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:47:30,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 13:47:30,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:30,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 13:47:30,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:30,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 13:47:30,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:30,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 13:47:30,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:30,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 13:47:30,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:30,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 13:47:30,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:30,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 13:47:30,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:30,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 13:47:30,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:30,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 13:47:30,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:30,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 13:47:30,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:30,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 13:47:30,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:30,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 13:47:30,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:30,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 13:47:30,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:30,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 13:47:30,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:30,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 13:47:30,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:30,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 13:47:30,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:30,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 13:47:30,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:30,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 13:47:30,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:30,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 13:47:30,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:30,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 13:47:30,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:30,943 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-14 13:47:30,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 13:47:30,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187475168] [2024-10-14 13:47:30,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187475168] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:47:30,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:47:30,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 13:47:30,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80516161] [2024-10-14 13:47:30,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:47:30,955 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 13:47:30,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 13:47:30,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 13:47:30,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 13:47:30,985 INFO L87 Difference]: Start difference. First operand has 119 states, 97 states have (on average 1.4639175257731958) internal successors, (142), 98 states have internal predecessors, (142), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-14 13:47:31,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:47:31,046 INFO L93 Difference]: Finished difference Result 235 states and 377 transitions. [2024-10-14 13:47:31,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 13:47:31,051 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 146 [2024-10-14 13:47:31,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:47:31,060 INFO L225 Difference]: With dead ends: 235 [2024-10-14 13:47:31,061 INFO L226 Difference]: Without dead ends: 117 [2024-10-14 13:47:31,066 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 13:47:31,071 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 13:47:31,073 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 171 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 13:47:31,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-10-14 13:47:31,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2024-10-14 13:47:31,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 96 states have (on average 1.4270833333333333) internal successors, (137), 96 states have internal predecessors, (137), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-14 13:47:31,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 175 transitions. [2024-10-14 13:47:31,126 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 175 transitions. Word has length 146 [2024-10-14 13:47:31,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:47:31,127 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 175 transitions. [2024-10-14 13:47:31,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-14 13:47:31,128 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 175 transitions. [2024-10-14 13:47:31,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-10-14 13:47:31,131 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:47:31,131 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:47:31,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 13:47:31,132 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:47:31,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:47:31,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1567158880, now seen corresponding path program 1 times [2024-10-14 13:47:31,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 13:47:31,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669978460] [2024-10-14 13:47:31,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:47:31,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 13:47:31,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:31,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 13:47:31,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:31,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 13:47:31,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:31,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 13:47:31,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:31,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 13:47:31,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:31,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 13:47:31,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:31,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 13:47:31,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:31,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 13:47:31,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:31,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 13:47:31,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:31,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 13:47:31,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:31,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 13:47:31,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:31,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 13:47:31,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:31,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 13:47:31,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:31,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 13:47:31,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:31,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 13:47:31,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:31,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 13:47:31,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:31,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 13:47:31,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:31,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 13:47:31,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:31,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 13:47:31,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:31,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 13:47:31,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:31,500 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-14 13:47:31,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 13:47:31,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669978460] [2024-10-14 13:47:31,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669978460] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:47:31,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:47:31,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 13:47:31,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359272767] [2024-10-14 13:47:31,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:47:31,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 13:47:31,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 13:47:31,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 13:47:31,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 13:47:31,506 INFO L87 Difference]: Start difference. First operand 117 states and 175 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:47:31,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:47:31,561 INFO L93 Difference]: Finished difference Result 234 states and 351 transitions. [2024-10-14 13:47:31,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 13:47:31,562 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 146 [2024-10-14 13:47:31,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:47:31,564 INFO L225 Difference]: With dead ends: 234 [2024-10-14 13:47:31,565 INFO L226 Difference]: Without dead ends: 118 [2024-10-14 13:47:31,566 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 13:47:31,567 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 0 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 13:47:31,567 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 335 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 13:47:31,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-10-14 13:47:31,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2024-10-14 13:47:31,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 97 states have (on average 1.422680412371134) internal successors, (138), 97 states have internal predecessors, (138), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-14 13:47:31,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 176 transitions. [2024-10-14 13:47:31,592 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 176 transitions. Word has length 146 [2024-10-14 13:47:31,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:47:31,594 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 176 transitions. [2024-10-14 13:47:31,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:47:31,598 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 176 transitions. [2024-10-14 13:47:31,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-10-14 13:47:31,601 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:47:31,601 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:47:31,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 13:47:31,601 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:47:31,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:47:31,602 INFO L85 PathProgramCache]: Analyzing trace with hash -121784862, now seen corresponding path program 1 times [2024-10-14 13:47:31,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 13:47:31,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093179677] [2024-10-14 13:47:31,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:47:31,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 13:47:31,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:33,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 13:47:33,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:33,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 13:47:33,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:33,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 13:47:33,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:33,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 13:47:33,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:33,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 13:47:33,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:33,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 13:47:33,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:33,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 13:47:33,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:33,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 13:47:33,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:33,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 13:47:33,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:33,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 13:47:33,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:33,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 13:47:33,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:33,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 13:47:33,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:33,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 13:47:33,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:33,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 13:47:33,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:33,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 13:47:33,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:33,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 13:47:33,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:33,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 13:47:33,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:33,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 13:47:33,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:33,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 13:47:33,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:33,400 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-14 13:47:33,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 13:47:33,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093179677] [2024-10-14 13:47:33,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093179677] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:47:33,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:47:33,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-14 13:47:33,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316379394] [2024-10-14 13:47:33,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:47:33,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-14 13:47:33,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 13:47:33,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-14 13:47:33,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-10-14 13:47:33,404 INFO L87 Difference]: Start difference. First operand 118 states and 176 transitions. Second operand has 15 states, 15 states have (on average 3.6) internal successors, (54), 15 states have internal predecessors, (54), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:47:34,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:47:34,426 INFO L93 Difference]: Finished difference Result 653 states and 982 transitions. [2024-10-14 13:47:34,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-10-14 13:47:34,427 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.6) internal successors, (54), 15 states have internal predecessors, (54), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 146 [2024-10-14 13:47:34,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:47:34,431 INFO L225 Difference]: With dead ends: 653 [2024-10-14 13:47:34,431 INFO L226 Difference]: Without dead ends: 536 [2024-10-14 13:47:34,436 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=174, Invalid=696, Unknown=0, NotChecked=0, Total=870 [2024-10-14 13:47:34,438 INFO L432 NwaCegarLoop]: 263 mSDtfsCounter, 599 mSDsluCounter, 2660 mSDsCounter, 0 mSdLazyCounter, 804 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 599 SdHoareTripleChecker+Valid, 2923 SdHoareTripleChecker+Invalid, 862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 804 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 13:47:34,441 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [599 Valid, 2923 Invalid, 862 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 804 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 13:47:34,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2024-10-14 13:47:34,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 283. [2024-10-14 13:47:34,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 242 states have (on average 1.462809917355372) internal successors, (354), 242 states have internal predecessors, (354), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-14 13:47:34,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 430 transitions. [2024-10-14 13:47:34,495 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 430 transitions. Word has length 146 [2024-10-14 13:47:34,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:47:34,498 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 430 transitions. [2024-10-14 13:47:34,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.6) internal successors, (54), 15 states have internal predecessors, (54), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:47:34,498 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 430 transitions. [2024-10-14 13:47:34,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-10-14 13:47:34,504 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:47:34,504 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:47:34,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 13:47:34,505 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:47:34,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:47:34,505 INFO L85 PathProgramCache]: Analyzing trace with hash 917368165, now seen corresponding path program 1 times [2024-10-14 13:47:34,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 13:47:34,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540449203] [2024-10-14 13:47:34,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:47:34,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 13:47:34,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:34,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 13:47:34,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:34,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 13:47:34,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:34,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 13:47:34,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:34,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 13:47:34,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:34,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 13:47:34,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:34,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 13:47:34,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:34,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 13:47:34,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:34,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 13:47:34,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:34,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 13:47:34,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:34,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 13:47:34,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:34,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 13:47:34,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:34,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 13:47:34,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:34,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 13:47:34,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:34,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 13:47:34,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:34,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 13:47:34,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:34,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 13:47:34,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:34,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 13:47:34,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:34,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 13:47:34,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:34,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 13:47:34,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:34,707 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-14 13:47:34,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 13:47:34,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540449203] [2024-10-14 13:47:34,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540449203] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:47:34,708 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:47:34,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 13:47:34,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423039330] [2024-10-14 13:47:34,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:47:34,709 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 13:47:34,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 13:47:34,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 13:47:34,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 13:47:34,710 INFO L87 Difference]: Start difference. First operand 283 states and 430 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:47:34,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:47:34,756 INFO L93 Difference]: Finished difference Result 566 states and 861 transitions. [2024-10-14 13:47:34,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 13:47:34,757 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 147 [2024-10-14 13:47:34,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:47:34,760 INFO L225 Difference]: With dead ends: 566 [2024-10-14 13:47:34,760 INFO L226 Difference]: Without dead ends: 284 [2024-10-14 13:47:34,762 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 13:47:34,763 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 0 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 13:47:34,763 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 330 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 13:47:34,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2024-10-14 13:47:34,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 284. [2024-10-14 13:47:34,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 243 states have (on average 1.4567901234567902) internal successors, (354), 243 states have internal predecessors, (354), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-14 13:47:34,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 430 transitions. [2024-10-14 13:47:34,779 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 430 transitions. Word has length 147 [2024-10-14 13:47:34,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:47:34,780 INFO L471 AbstractCegarLoop]: Abstraction has 284 states and 430 transitions. [2024-10-14 13:47:34,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:47:34,780 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 430 transitions. [2024-10-14 13:47:34,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-10-14 13:47:34,782 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:47:34,782 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:47:34,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 13:47:34,783 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:47:34,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:47:34,783 INFO L85 PathProgramCache]: Analyzing trace with hash -628380397, now seen corresponding path program 1 times [2024-10-14 13:47:34,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 13:47:34,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121146483] [2024-10-14 13:47:34,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:47:34,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 13:47:34,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:34,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 13:47:34,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:34,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 13:47:34,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:34,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 13:47:34,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:34,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 13:47:34,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:34,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 13:47:34,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:34,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 13:47:34,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:34,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 13:47:34,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:34,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 13:47:34,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:34,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 13:47:34,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:34,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 13:47:34,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:34,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 13:47:34,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:34,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 13:47:34,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:34,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 13:47:34,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:34,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 13:47:34,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:34,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 13:47:34,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:34,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 13:47:34,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:34,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 13:47:34,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:34,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 13:47:34,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:34,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 13:47:34,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:34,928 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-14 13:47:34,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 13:47:34,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121146483] [2024-10-14 13:47:34,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121146483] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:47:34,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:47:34,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 13:47:34,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102994139] [2024-10-14 13:47:34,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:47:34,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 13:47:34,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 13:47:34,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 13:47:34,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 13:47:34,931 INFO L87 Difference]: Start difference. First operand 284 states and 430 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:47:34,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:47:34,965 INFO L93 Difference]: Finished difference Result 571 states and 867 transitions. [2024-10-14 13:47:34,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 13:47:34,966 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 147 [2024-10-14 13:47:34,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:47:34,968 INFO L225 Difference]: With dead ends: 571 [2024-10-14 13:47:34,968 INFO L226 Difference]: Without dead ends: 288 [2024-10-14 13:47:34,970 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 13:47:34,971 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 0 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 13:47:34,971 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 330 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 13:47:34,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2024-10-14 13:47:34,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2024-10-14 13:47:34,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 247 states have (on average 1.4493927125506072) internal successors, (358), 247 states have internal predecessors, (358), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-14 13:47:34,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 434 transitions. [2024-10-14 13:47:34,997 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 434 transitions. Word has length 147 [2024-10-14 13:47:34,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:47:34,997 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 434 transitions. [2024-10-14 13:47:34,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:47:34,998 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 434 transitions. [2024-10-14 13:47:34,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-10-14 13:47:35,000 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:47:35,000 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:47:35,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 13:47:35,000 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:47:35,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:47:35,001 INFO L85 PathProgramCache]: Analyzing trace with hash 1672867407, now seen corresponding path program 1 times [2024-10-14 13:47:35,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 13:47:35,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890051806] [2024-10-14 13:47:35,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:47:35,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 13:47:35,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:35,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 13:47:35,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:35,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 13:47:35,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:35,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 13:47:35,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:35,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 13:47:35,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:35,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 13:47:35,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:35,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 13:47:35,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:35,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 13:47:35,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:35,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 13:47:35,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:35,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 13:47:35,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:35,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 13:47:35,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:35,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 13:47:35,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:35,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 13:47:35,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:35,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 13:47:35,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:35,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 13:47:35,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:35,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 13:47:35,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:35,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 13:47:35,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:35,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 13:47:35,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:35,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 13:47:35,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:35,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 13:47:35,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:35,210 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-14 13:47:35,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 13:47:35,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890051806] [2024-10-14 13:47:35,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890051806] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:47:35,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:47:35,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 13:47:35,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473205872] [2024-10-14 13:47:35,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:47:35,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 13:47:35,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 13:47:35,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 13:47:35,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 13:47:35,215 INFO L87 Difference]: Start difference. First operand 288 states and 434 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:47:35,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:47:35,253 INFO L93 Difference]: Finished difference Result 573 states and 863 transitions. [2024-10-14 13:47:35,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 13:47:35,254 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 147 [2024-10-14 13:47:35,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:47:35,256 INFO L225 Difference]: With dead ends: 573 [2024-10-14 13:47:35,256 INFO L226 Difference]: Without dead ends: 286 [2024-10-14 13:47:35,257 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 13:47:35,258 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 0 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 13:47:35,258 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 330 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 13:47:35,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2024-10-14 13:47:35,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 286. [2024-10-14 13:47:35,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 245 states have (on average 1.436734693877551) internal successors, (352), 245 states have internal predecessors, (352), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-14 13:47:35,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 428 transitions. [2024-10-14 13:47:35,274 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 428 transitions. Word has length 147 [2024-10-14 13:47:35,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:47:35,275 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 428 transitions. [2024-10-14 13:47:35,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:47:35,276 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 428 transitions. [2024-10-14 13:47:35,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-14 13:47:35,277 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:47:35,277 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:47:35,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 13:47:35,278 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:47:35,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:47:35,278 INFO L85 PathProgramCache]: Analyzing trace with hash -334947715, now seen corresponding path program 1 times [2024-10-14 13:47:35,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 13:47:35,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658108441] [2024-10-14 13:47:35,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:47:35,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 13:47:35,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:35,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 13:47:35,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:35,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 13:47:35,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:35,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 13:47:35,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:35,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 13:47:35,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:35,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 13:47:35,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:35,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 13:47:35,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:35,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 13:47:35,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:35,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 13:47:35,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:35,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 13:47:35,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:35,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 13:47:35,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:35,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 13:47:35,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:35,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 13:47:35,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:35,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 13:47:35,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:35,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 13:47:35,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:35,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 13:47:35,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:35,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 13:47:35,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:35,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 13:47:35,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:35,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 13:47:35,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:35,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 13:47:35,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:35,536 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-14 13:47:35,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 13:47:35,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658108441] [2024-10-14 13:47:35,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658108441] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:47:35,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:47:35,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 13:47:35,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521018989] [2024-10-14 13:47:35,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:47:35,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 13:47:35,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 13:47:35,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 13:47:35,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 13:47:35,538 INFO L87 Difference]: Start difference. First operand 286 states and 428 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:47:35,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:47:35,576 INFO L93 Difference]: Finished difference Result 577 states and 863 transitions. [2024-10-14 13:47:35,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 13:47:35,577 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 148 [2024-10-14 13:47:35,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:47:35,579 INFO L225 Difference]: With dead ends: 577 [2024-10-14 13:47:35,580 INFO L226 Difference]: Without dead ends: 292 [2024-10-14 13:47:35,580 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 13:47:35,581 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 0 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 661 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 13:47:35,581 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 661 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 13:47:35,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-10-14 13:47:35,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 292. [2024-10-14 13:47:35,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 251 states have (on average 1.4262948207171315) internal successors, (358), 251 states have internal predecessors, (358), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-14 13:47:35,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 434 transitions. [2024-10-14 13:47:35,603 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 434 transitions. Word has length 148 [2024-10-14 13:47:35,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:47:35,603 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 434 transitions. [2024-10-14 13:47:35,603 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:47:35,604 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 434 transitions. [2024-10-14 13:47:35,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-14 13:47:35,605 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:47:35,605 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:47:35,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 13:47:35,606 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:47:35,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:47:35,606 INFO L85 PathProgramCache]: Analyzing trace with hash -2025374136, now seen corresponding path program 1 times [2024-10-14 13:47:35,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 13:47:35,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577516872] [2024-10-14 13:47:35,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:47:35,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 13:47:35,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:36,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 13:47:36,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:36,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 13:47:36,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:36,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 13:47:36,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:36,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 13:47:36,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:36,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 13:47:36,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:36,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 13:47:36,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:36,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 13:47:36,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:36,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 13:47:36,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:36,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 13:47:36,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:36,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 13:47:36,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:36,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 13:47:36,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:36,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 13:47:36,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:36,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 13:47:36,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:36,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 13:47:36,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:36,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 13:47:36,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:36,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 13:47:36,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:36,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 13:47:36,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:36,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 13:47:36,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:36,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 13:47:36,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:36,947 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-14 13:47:36,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 13:47:36,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577516872] [2024-10-14 13:47:36,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577516872] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:47:36,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:47:36,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-14 13:47:36,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961982793] [2024-10-14 13:47:36,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:47:36,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 13:47:36,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 13:47:36,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 13:47:36,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-10-14 13:47:36,950 INFO L87 Difference]: Start difference. First operand 292 states and 434 transitions. Second operand has 10 states, 9 states have (on average 6.222222222222222) internal successors, (56), 10 states have internal predecessors, (56), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-10-14 13:47:37,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:47:37,638 INFO L93 Difference]: Finished difference Result 738 states and 1101 transitions. [2024-10-14 13:47:37,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-14 13:47:37,639 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.222222222222222) internal successors, (56), 10 states have internal predecessors, (56), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 148 [2024-10-14 13:47:37,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:47:37,642 INFO L225 Difference]: With dead ends: 738 [2024-10-14 13:47:37,642 INFO L226 Difference]: Without dead ends: 447 [2024-10-14 13:47:37,643 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2024-10-14 13:47:37,644 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 548 mSDsluCounter, 639 mSDsCounter, 0 mSdLazyCounter, 444 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 548 SdHoareTripleChecker+Valid, 776 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 13:47:37,644 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [548 Valid, 776 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 444 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 13:47:37,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2024-10-14 13:47:37,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 360. [2024-10-14 13:47:37,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 319 states have (on average 1.4608150470219436) internal successors, (466), 319 states have internal predecessors, (466), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-14 13:47:37,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 542 transitions. [2024-10-14 13:47:37,686 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 542 transitions. Word has length 148 [2024-10-14 13:47:37,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:47:37,687 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 542 transitions. [2024-10-14 13:47:37,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.222222222222222) internal successors, (56), 10 states have internal predecessors, (56), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-10-14 13:47:37,687 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 542 transitions. [2024-10-14 13:47:37,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-14 13:47:37,689 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:47:37,689 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:47:37,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 13:47:37,689 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:47:37,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:47:37,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1258475910, now seen corresponding path program 1 times [2024-10-14 13:47:37,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 13:47:37,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900208935] [2024-10-14 13:47:37,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:47:37,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 13:47:37,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:38,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 13:47:38,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:38,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 13:47:38,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:38,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 13:47:38,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:38,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 13:47:38,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:38,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 13:47:38,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:38,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 13:47:38,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:38,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 13:47:38,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:38,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 13:47:38,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:38,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 13:47:38,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:38,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 13:47:38,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:38,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 13:47:38,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:38,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 13:47:38,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:38,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 13:47:38,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:38,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 13:47:38,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:38,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 13:47:38,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:38,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 13:47:38,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:38,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 13:47:38,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:38,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 13:47:38,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:38,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 13:47:38,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:38,492 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-14 13:47:38,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 13:47:38,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900208935] [2024-10-14 13:47:38,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900208935] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:47:38,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:47:38,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 13:47:38,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852878688] [2024-10-14 13:47:38,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:47:38,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 13:47:38,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 13:47:38,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 13:47:38,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 13:47:38,495 INFO L87 Difference]: Start difference. First operand 360 states and 542 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:47:38,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:47:38,819 INFO L93 Difference]: Finished difference Result 801 states and 1199 transitions. [2024-10-14 13:47:38,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 13:47:38,820 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 148 [2024-10-14 13:47:38,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:47:38,823 INFO L225 Difference]: With dead ends: 801 [2024-10-14 13:47:38,824 INFO L226 Difference]: Without dead ends: 442 [2024-10-14 13:47:38,825 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-10-14 13:47:38,827 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 73 mSDsluCounter, 664 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 811 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 13:47:38,827 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 811 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 13:47:38,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2024-10-14 13:47:38,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 360. [2024-10-14 13:47:38,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 319 states have (on average 1.4608150470219436) internal successors, (466), 319 states have internal predecessors, (466), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-14 13:47:38,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 542 transitions. [2024-10-14 13:47:38,848 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 542 transitions. Word has length 148 [2024-10-14 13:47:38,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:47:38,849 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 542 transitions. [2024-10-14 13:47:38,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:47:38,849 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 542 transitions. [2024-10-14 13:47:38,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-14 13:47:38,851 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:47:38,851 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:47:38,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 13:47:38,851 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:47:38,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:47:38,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1910559764, now seen corresponding path program 1 times [2024-10-14 13:47:38,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 13:47:38,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846407709] [2024-10-14 13:47:38,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:47:38,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 13:47:38,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:38,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 13:47:38,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:38,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 13:47:38,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:39,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 13:47:39,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:39,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 13:47:39,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:39,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 13:47:39,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:39,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 13:47:39,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:39,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 13:47:39,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:39,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 13:47:39,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:39,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 13:47:39,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:39,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 13:47:39,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:39,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 13:47:39,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:39,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 13:47:39,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:39,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 13:47:39,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:39,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 13:47:39,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:39,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 13:47:39,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:39,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 13:47:39,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:39,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 13:47:39,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:39,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 13:47:39,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:39,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 13:47:39,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:39,050 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-14 13:47:39,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 13:47:39,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846407709] [2024-10-14 13:47:39,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846407709] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:47:39,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:47:39,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 13:47:39,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567258388] [2024-10-14 13:47:39,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:47:39,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 13:47:39,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 13:47:39,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 13:47:39,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 13:47:39,053 INFO L87 Difference]: Start difference. First operand 360 states and 542 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:47:39,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:47:39,142 INFO L93 Difference]: Finished difference Result 819 states and 1233 transitions. [2024-10-14 13:47:39,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 13:47:39,143 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 148 [2024-10-14 13:47:39,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:47:39,145 INFO L225 Difference]: With dead ends: 819 [2024-10-14 13:47:39,146 INFO L226 Difference]: Without dead ends: 460 [2024-10-14 13:47:39,147 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-14 13:47:39,147 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 75 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 619 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 13:47:39,147 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 619 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 13:47:39,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2024-10-14 13:47:39,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 384. [2024-10-14 13:47:39,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 343 states have (on average 1.4577259475218658) internal successors, (500), 343 states have internal predecessors, (500), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-14 13:47:39,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 576 transitions. [2024-10-14 13:47:39,169 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 576 transitions. Word has length 148 [2024-10-14 13:47:39,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:47:39,169 INFO L471 AbstractCegarLoop]: Abstraction has 384 states and 576 transitions. [2024-10-14 13:47:39,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:47:39,170 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 576 transitions. [2024-10-14 13:47:39,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-14 13:47:39,173 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:47:39,173 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:47:39,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-14 13:47:39,174 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:47:39,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:47:39,174 INFO L85 PathProgramCache]: Analyzing trace with hash 376858044, now seen corresponding path program 1 times [2024-10-14 13:47:39,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 13:47:39,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596372756] [2024-10-14 13:47:39,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:47:39,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 13:47:39,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:39,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 13:47:39,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:39,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 13:47:39,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:39,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 13:47:39,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:39,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 13:47:39,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:39,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 13:47:39,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:39,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 13:47:40,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:40,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 13:47:40,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:40,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 13:47:40,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:40,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 13:47:40,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:40,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 13:47:40,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:40,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 13:47:40,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:40,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 13:47:40,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:40,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 13:47:40,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:40,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 13:47:40,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:40,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 13:47:40,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:40,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 13:47:40,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:40,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 13:47:40,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:40,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 13:47:40,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:40,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 13:47:40,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:40,041 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-14 13:47:40,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 13:47:40,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596372756] [2024-10-14 13:47:40,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596372756] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:47:40,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:47:40,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 13:47:40,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987079068] [2024-10-14 13:47:40,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:47:40,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 13:47:40,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 13:47:40,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 13:47:40,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-10-14 13:47:40,044 INFO L87 Difference]: Start difference. First operand 384 states and 576 transitions. Second operand has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:47:40,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:47:40,448 INFO L93 Difference]: Finished difference Result 885 states and 1326 transitions. [2024-10-14 13:47:40,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 13:47:40,450 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 148 [2024-10-14 13:47:40,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:47:40,453 INFO L225 Difference]: With dead ends: 885 [2024-10-14 13:47:40,453 INFO L226 Difference]: Without dead ends: 502 [2024-10-14 13:47:40,454 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-10-14 13:47:40,455 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 82 mSDsluCounter, 1031 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 1231 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 13:47:40,455 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 1231 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 13:47:40,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2024-10-14 13:47:40,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 430. [2024-10-14 13:47:40,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 389 states have (on average 1.4652956298200515) internal successors, (570), 389 states have internal predecessors, (570), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-14 13:47:40,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 646 transitions. [2024-10-14 13:47:40,479 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 646 transitions. Word has length 148 [2024-10-14 13:47:40,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:47:40,480 INFO L471 AbstractCegarLoop]: Abstraction has 430 states and 646 transitions. [2024-10-14 13:47:40,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.222222222222222) internal successors, (56), 9 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:47:40,480 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 646 transitions. [2024-10-14 13:47:40,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-14 13:47:40,482 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:47:40,482 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:47:40,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-14 13:47:40,482 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:47:40,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:47:40,483 INFO L85 PathProgramCache]: Analyzing trace with hash 635023482, now seen corresponding path program 1 times [2024-10-14 13:47:40,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 13:47:40,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498757204] [2024-10-14 13:47:40,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:47:40,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 13:47:40,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:40,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 13:47:40,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:40,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 13:47:40,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:40,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 13:47:40,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:40,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 13:47:40,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:40,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 13:47:40,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:40,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 13:47:40,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:40,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 13:47:40,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:40,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 13:47:40,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:40,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 13:47:40,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:40,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 13:47:40,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:40,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 13:47:40,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:40,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 13:47:40,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:40,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 13:47:40,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:40,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 13:47:40,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:40,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 13:47:40,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:40,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 13:47:40,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:40,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 13:47:40,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:40,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 13:47:40,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:40,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 13:47:40,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:40,927 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-14 13:47:40,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 13:47:40,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498757204] [2024-10-14 13:47:40,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498757204] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:47:40,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:47:40,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 13:47:40,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002452911] [2024-10-14 13:47:40,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:47:40,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 13:47:40,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 13:47:40,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 13:47:40,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-14 13:47:40,930 INFO L87 Difference]: Start difference. First operand 430 states and 646 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:47:41,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:47:41,126 INFO L93 Difference]: Finished difference Result 959 states and 1426 transitions. [2024-10-14 13:47:41,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 13:47:41,126 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 148 [2024-10-14 13:47:41,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:47:41,129 INFO L225 Difference]: With dead ends: 959 [2024-10-14 13:47:41,129 INFO L226 Difference]: Without dead ends: 530 [2024-10-14 13:47:41,130 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-10-14 13:47:41,131 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 84 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 716 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 13:47:41,132 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 716 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 13:47:41,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2024-10-14 13:47:41,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 526. [2024-10-14 13:47:41,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 475 states have (on average 1.433684210526316) internal successors, (681), 477 states have internal predecessors, (681), 46 states have call successors, (46), 4 states have call predecessors, (46), 4 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) [2024-10-14 13:47:41,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 773 transitions. [2024-10-14 13:47:41,160 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 773 transitions. Word has length 148 [2024-10-14 13:47:41,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:47:41,161 INFO L471 AbstractCegarLoop]: Abstraction has 526 states and 773 transitions. [2024-10-14 13:47:41,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:47:41,161 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 773 transitions. [2024-10-14 13:47:41,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-14 13:47:41,163 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:47:41,163 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:47:41,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-14 13:47:41,163 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:47:41,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:47:41,164 INFO L85 PathProgramCache]: Analyzing trace with hash -102146102, now seen corresponding path program 1 times [2024-10-14 13:47:41,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 13:47:41,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265165443] [2024-10-14 13:47:41,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:47:41,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 13:47:41,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:41,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 13:47:41,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:41,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 13:47:41,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:41,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 13:47:41,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:41,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 13:47:41,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:41,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 13:47:41,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:41,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 13:47:41,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:41,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 13:47:41,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:41,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 13:47:41,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:41,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 13:47:41,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:41,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 13:47:41,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:41,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 13:47:41,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:41,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 13:47:41,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:41,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 13:47:41,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:41,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 13:47:41,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:41,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 13:47:41,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:41,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 13:47:41,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:41,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 13:47:41,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:41,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 13:47:41,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:41,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 13:47:41,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:41,547 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-14 13:47:41,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 13:47:41,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265165443] [2024-10-14 13:47:41,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265165443] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:47:41,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:47:41,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 13:47:41,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321079251] [2024-10-14 13:47:41,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:47:41,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 13:47:41,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 13:47:41,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 13:47:41,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 13:47:41,550 INFO L87 Difference]: Start difference. First operand 526 states and 773 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:47:41,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:47:41,739 INFO L93 Difference]: Finished difference Result 1151 states and 1684 transitions. [2024-10-14 13:47:41,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 13:47:41,740 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 148 [2024-10-14 13:47:41,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:47:41,745 INFO L225 Difference]: With dead ends: 1151 [2024-10-14 13:47:41,746 INFO L226 Difference]: Without dead ends: 626 [2024-10-14 13:47:41,747 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-14 13:47:41,747 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 86 mSDsluCounter, 538 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 758 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 13:47:41,748 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 758 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 13:47:41,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2024-10-14 13:47:41,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 526. [2024-10-14 13:47:41,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 475 states have (on average 1.433684210526316) internal successors, (681), 477 states have internal predecessors, (681), 46 states have call successors, (46), 4 states have call predecessors, (46), 4 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) [2024-10-14 13:47:41,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 773 transitions. [2024-10-14 13:47:41,783 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 773 transitions. Word has length 148 [2024-10-14 13:47:41,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:47:41,785 INFO L471 AbstractCegarLoop]: Abstraction has 526 states and 773 transitions. [2024-10-14 13:47:41,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:47:41,786 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 773 transitions. [2024-10-14 13:47:41,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-14 13:47:41,788 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:47:41,788 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:47:41,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-14 13:47:41,789 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:47:41,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:47:41,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1113263352, now seen corresponding path program 1 times [2024-10-14 13:47:41,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 13:47:41,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606070090] [2024-10-14 13:47:41,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:47:41,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 13:47:41,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:42,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 13:47:42,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:42,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 13:47:42,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:42,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 13:47:42,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:42,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 13:47:42,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:42,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 13:47:42,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:42,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 13:47:42,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:42,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 13:47:42,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:42,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 13:47:42,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:42,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 13:47:42,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:42,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 13:47:42,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:42,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 13:47:42,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:42,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 13:47:42,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:42,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 13:47:42,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:42,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 13:47:42,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:42,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 13:47:42,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:42,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 13:47:42,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:42,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 13:47:42,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:42,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 13:47:42,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:42,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 13:47:42,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:42,333 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-14 13:47:42,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 13:47:42,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606070090] [2024-10-14 13:47:42,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606070090] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:47:42,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:47:42,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 13:47:42,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299244276] [2024-10-14 13:47:42,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:47:42,335 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 13:47:42,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 13:47:42,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 13:47:42,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 13:47:42,337 INFO L87 Difference]: Start difference. First operand 526 states and 773 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:47:42,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:47:42,573 INFO L93 Difference]: Finished difference Result 1141 states and 1672 transitions. [2024-10-14 13:47:42,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 13:47:42,574 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 148 [2024-10-14 13:47:42,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:47:42,577 INFO L225 Difference]: With dead ends: 1141 [2024-10-14 13:47:42,577 INFO L226 Difference]: Without dead ends: 616 [2024-10-14 13:47:42,580 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-10-14 13:47:42,581 INFO L432 NwaCegarLoop]: 230 mSDtfsCounter, 64 mSDsluCounter, 977 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 1207 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 13:47:42,582 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 1207 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 13:47:42,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2024-10-14 13:47:42,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 544. [2024-10-14 13:47:42,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 544 states, 493 states have (on average 1.434077079107505) internal successors, (707), 495 states have internal predecessors, (707), 46 states have call successors, (46), 4 states have call predecessors, (46), 4 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) [2024-10-14 13:47:42,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 799 transitions. [2024-10-14 13:47:42,616 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 799 transitions. Word has length 148 [2024-10-14 13:47:42,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:47:42,617 INFO L471 AbstractCegarLoop]: Abstraction has 544 states and 799 transitions. [2024-10-14 13:47:42,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:47:42,617 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 799 transitions. [2024-10-14 13:47:42,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-14 13:47:42,619 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:47:42,619 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:47:42,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-10-14 13:47:42,620 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:47:42,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:47:42,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1736715780, now seen corresponding path program 1 times [2024-10-14 13:47:42,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 13:47:42,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062661396] [2024-10-14 13:47:42,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:47:42,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 13:47:42,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:42,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 13:47:42,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:42,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 13:47:42,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:42,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 13:47:42,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:42,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 13:47:42,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:42,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 13:47:42,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:42,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 13:47:42,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:42,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 13:47:42,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:42,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 13:47:42,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:42,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 13:47:42,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:42,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 13:47:42,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:42,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 13:47:42,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:42,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 13:47:42,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:42,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 13:47:42,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:42,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 13:47:42,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:42,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 13:47:42,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:42,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 13:47:42,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:42,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 13:47:42,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:42,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 13:47:42,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:42,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 13:47:42,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:42,951 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-14 13:47:42,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 13:47:42,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1062661396] [2024-10-14 13:47:42,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1062661396] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:47:42,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:47:42,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 13:47:42,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353730418] [2024-10-14 13:47:42,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:47:42,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 13:47:42,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 13:47:42,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 13:47:42,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 13:47:42,954 INFO L87 Difference]: Start difference. First operand 544 states and 799 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:47:43,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:47:43,187 INFO L93 Difference]: Finished difference Result 1190 states and 1735 transitions. [2024-10-14 13:47:43,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 13:47:43,188 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 148 [2024-10-14 13:47:43,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:47:43,191 INFO L225 Difference]: With dead ends: 1190 [2024-10-14 13:47:43,192 INFO L226 Difference]: Without dead ends: 647 [2024-10-14 13:47:43,194 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-14 13:47:43,195 INFO L432 NwaCegarLoop]: 224 mSDtfsCounter, 96 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 764 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 13:47:43,195 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 764 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 13:47:43,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2024-10-14 13:47:43,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 544. [2024-10-14 13:47:43,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 544 states, 493 states have (on average 1.4300202839756593) internal successors, (705), 495 states have internal predecessors, (705), 46 states have call successors, (46), 4 states have call predecessors, (46), 4 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) [2024-10-14 13:47:43,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 797 transitions. [2024-10-14 13:47:43,244 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 797 transitions. Word has length 148 [2024-10-14 13:47:43,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:47:43,245 INFO L471 AbstractCegarLoop]: Abstraction has 544 states and 797 transitions. [2024-10-14 13:47:43,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:47:43,245 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 797 transitions. [2024-10-14 13:47:43,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-14 13:47:43,247 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:47:43,248 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:47:43,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-10-14 13:47:43,248 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:47:43,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:47:43,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1596167170, now seen corresponding path program 1 times [2024-10-14 13:47:43,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 13:47:43,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199630333] [2024-10-14 13:47:43,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:47:43,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 13:47:43,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:44,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 13:47:44,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:44,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 13:47:44,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:44,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 13:47:44,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:44,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 13:47:44,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:44,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 13:47:44,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:44,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 13:47:44,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:44,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 13:47:44,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:44,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 13:47:44,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:44,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 13:47:44,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:44,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 13:47:44,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:44,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 13:47:44,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:44,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 13:47:44,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:44,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 13:47:44,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:44,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 13:47:44,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:44,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 13:47:44,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:44,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 13:47:44,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:44,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 13:47:44,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:44,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 13:47:44,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:44,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 13:47:44,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:44,240 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-14 13:47:44,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 13:47:44,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199630333] [2024-10-14 13:47:44,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199630333] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:47:44,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:47:44,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-14 13:47:44,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508437546] [2024-10-14 13:47:44,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:47:44,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-14 13:47:44,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 13:47:44,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-14 13:47:44,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-10-14 13:47:44,243 INFO L87 Difference]: Start difference. First operand 544 states and 797 transitions. Second operand has 12 states, 10 states have (on average 5.6) internal successors, (56), 11 states have internal predecessors, (56), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-10-14 13:47:44,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:47:44,892 INFO L93 Difference]: Finished difference Result 1157 states and 1692 transitions. [2024-10-14 13:47:44,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-14 13:47:44,893 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 5.6) internal successors, (56), 11 states have internal predecessors, (56), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 148 [2024-10-14 13:47:44,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:47:44,897 INFO L225 Difference]: With dead ends: 1157 [2024-10-14 13:47:44,897 INFO L226 Difference]: Without dead ends: 614 [2024-10-14 13:47:44,898 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=308, Unknown=0, NotChecked=0, Total=380 [2024-10-14 13:47:44,899 INFO L432 NwaCegarLoop]: 226 mSDtfsCounter, 235 mSDsluCounter, 1308 mSDsCounter, 0 mSdLazyCounter, 504 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 1534 SdHoareTripleChecker+Invalid, 508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 504 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-14 13:47:44,899 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 1534 Invalid, 508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 504 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-14 13:47:44,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2024-10-14 13:47:44,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 542. [2024-10-14 13:47:44,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 542 states, 491 states have (on average 1.4276985743380854) internal successors, (701), 493 states have internal predecessors, (701), 46 states have call successors, (46), 4 states have call predecessors, (46), 4 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) [2024-10-14 13:47:44,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 793 transitions. [2024-10-14 13:47:44,950 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 793 transitions. Word has length 148 [2024-10-14 13:47:44,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:47:44,950 INFO L471 AbstractCegarLoop]: Abstraction has 542 states and 793 transitions. [2024-10-14 13:47:44,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 5.6) internal successors, (56), 11 states have internal predecessors, (56), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-10-14 13:47:44,951 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 793 transitions. [2024-10-14 13:47:44,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-14 13:47:44,952 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:47:44,953 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:47:44,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-10-14 13:47:44,953 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:47:44,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:47:44,953 INFO L85 PathProgramCache]: Analyzing trace with hash 717013656, now seen corresponding path program 1 times [2024-10-14 13:47:44,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 13:47:44,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444984016] [2024-10-14 13:47:44,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:47:44,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 13:47:44,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:45,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 13:47:45,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:45,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 13:47:45,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:45,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 13:47:45,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:45,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 13:47:45,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:45,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 13:47:45,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:45,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 13:47:45,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:45,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 13:47:45,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:45,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 13:47:45,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:45,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 13:47:45,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:45,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 13:47:45,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:45,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 13:47:45,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:45,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 13:47:45,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:45,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 13:47:45,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:45,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 13:47:45,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:45,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 13:47:45,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:45,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 13:47:45,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:45,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 13:47:45,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:45,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 13:47:45,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:45,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 13:47:45,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:45,111 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-14 13:47:45,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 13:47:45,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444984016] [2024-10-14 13:47:45,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444984016] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:47:45,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:47:45,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 13:47:45,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167553946] [2024-10-14 13:47:45,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:47:45,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 13:47:45,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 13:47:45,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 13:47:45,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 13:47:45,114 INFO L87 Difference]: Start difference. First operand 542 states and 793 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:47:45,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:47:45,217 INFO L93 Difference]: Finished difference Result 1083 states and 1584 transitions. [2024-10-14 13:47:45,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 13:47:45,218 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 148 [2024-10-14 13:47:45,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:47:45,221 INFO L225 Difference]: With dead ends: 1083 [2024-10-14 13:47:45,221 INFO L226 Difference]: Without dead ends: 542 [2024-10-14 13:47:45,222 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-14 13:47:45,223 INFO L432 NwaCegarLoop]: 209 mSDtfsCounter, 80 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 759 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 13:47:45,223 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 759 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 13:47:45,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2024-10-14 13:47:45,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 540. [2024-10-14 13:47:45,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 489 states have (on average 1.425357873210634) internal successors, (697), 491 states have internal predecessors, (697), 46 states have call successors, (46), 4 states have call predecessors, (46), 4 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) [2024-10-14 13:47:45,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 789 transitions. [2024-10-14 13:47:45,259 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 789 transitions. Word has length 148 [2024-10-14 13:47:45,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:47:45,259 INFO L471 AbstractCegarLoop]: Abstraction has 540 states and 789 transitions. [2024-10-14 13:47:45,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:47:45,260 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 789 transitions. [2024-10-14 13:47:45,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-10-14 13:47:45,262 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:47:45,262 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:47:45,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-10-14 13:47:45,262 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:47:45,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:47:45,263 INFO L85 PathProgramCache]: Analyzing trace with hash -207289869, now seen corresponding path program 1 times [2024-10-14 13:47:45,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 13:47:45,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730237546] [2024-10-14 13:47:45,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:47:45,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 13:47:45,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:45,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 13:47:45,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:45,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 13:47:45,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:45,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 13:47:45,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:45,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 13:47:45,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:45,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 13:47:45,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:45,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 13:47:45,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:45,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 13:47:45,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:45,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 13:47:45,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:45,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 13:47:45,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:45,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 13:47:45,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:45,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 13:47:45,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:45,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 13:47:45,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:45,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 13:47:45,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:45,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 13:47:45,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:45,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 13:47:45,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:45,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 13:47:45,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:45,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 13:47:45,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:45,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 13:47:45,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:45,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 13:47:45,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:45,384 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-14 13:47:45,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 13:47:45,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730237546] [2024-10-14 13:47:45,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730237546] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:47:45,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:47:45,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 13:47:45,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931164246] [2024-10-14 13:47:45,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:47:45,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 13:47:45,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 13:47:45,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 13:47:45,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 13:47:45,386 INFO L87 Difference]: Start difference. First operand 540 states and 789 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:47:45,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:47:45,437 INFO L93 Difference]: Finished difference Result 1069 states and 1561 transitions. [2024-10-14 13:47:45,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 13:47:45,438 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 149 [2024-10-14 13:47:45,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:47:45,441 INFO L225 Difference]: With dead ends: 1069 [2024-10-14 13:47:45,441 INFO L226 Difference]: Without dead ends: 530 [2024-10-14 13:47:45,443 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 13:47:45,443 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 0 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 13:47:45,443 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 330 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 13:47:45,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2024-10-14 13:47:45,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 530. [2024-10-14 13:47:45,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 530 states, 479 states have (on average 1.417536534446764) internal successors, (679), 481 states have internal predecessors, (679), 46 states have call successors, (46), 4 states have call predecessors, (46), 4 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) [2024-10-14 13:47:45,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 771 transitions. [2024-10-14 13:47:45,485 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 771 transitions. Word has length 149 [2024-10-14 13:47:45,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:47:45,485 INFO L471 AbstractCegarLoop]: Abstraction has 530 states and 771 transitions. [2024-10-14 13:47:45,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:47:45,485 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 771 transitions. [2024-10-14 13:47:45,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-14 13:47:45,487 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:47:45,487 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:47:45,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-10-14 13:47:45,487 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:47:45,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:47:45,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1897798466, now seen corresponding path program 1 times [2024-10-14 13:47:45,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 13:47:45,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192595400] [2024-10-14 13:47:45,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:47:45,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 13:47:45,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:46,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 13:47:46,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:46,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 13:47:46,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:46,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 13:47:46,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:46,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 13:47:46,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:46,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 13:47:46,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:46,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 13:47:46,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:46,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 13:47:46,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:46,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 13:47:46,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:46,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 13:47:46,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:46,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 13:47:46,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:46,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 13:47:46,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:46,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 13:47:46,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:46,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 13:47:46,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:46,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 13:47:46,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:46,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 13:47:46,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:46,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 13:47:46,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:46,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 13:47:46,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:46,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 13:47:46,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:46,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 13:47:46,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:46,805 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-14 13:47:46,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 13:47:46,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192595400] [2024-10-14 13:47:46,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192595400] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:47:46,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:47:46,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-10-14 13:47:46,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171226247] [2024-10-14 13:47:46,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:47:46,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-14 13:47:46,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 13:47:46,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-14 13:47:46,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2024-10-14 13:47:46,808 INFO L87 Difference]: Start difference. First operand 530 states and 771 transitions. Second operand has 17 states, 16 states have (on average 3.625) internal successors, (58), 17 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-10-14 13:47:48,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:47:48,518 INFO L93 Difference]: Finished difference Result 1305 states and 1879 transitions. [2024-10-14 13:47:48,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-10-14 13:47:48,518 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 3.625) internal successors, (58), 17 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 150 [2024-10-14 13:47:48,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:47:48,523 INFO L225 Difference]: With dead ends: 1305 [2024-10-14 13:47:48,523 INFO L226 Difference]: Without dead ends: 776 [2024-10-14 13:47:48,525 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 419 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=342, Invalid=1638, Unknown=0, NotChecked=0, Total=1980 [2024-10-14 13:47:48,525 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 1042 mSDsluCounter, 2307 mSDsCounter, 0 mSdLazyCounter, 1262 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1042 SdHoareTripleChecker+Valid, 2511 SdHoareTripleChecker+Invalid, 1362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 1262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-14 13:47:48,526 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1042 Valid, 2511 Invalid, 1362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 1262 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-14 13:47:48,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 776 states. [2024-10-14 13:47:48,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 776 to 559. [2024-10-14 13:47:48,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 559 states, 508 states have (on average 1.405511811023622) internal successors, (714), 510 states have internal predecessors, (714), 46 states have call successors, (46), 4 states have call predecessors, (46), 4 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) [2024-10-14 13:47:48,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 806 transitions. [2024-10-14 13:47:48,570 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 806 transitions. Word has length 150 [2024-10-14 13:47:48,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:47:48,571 INFO L471 AbstractCegarLoop]: Abstraction has 559 states and 806 transitions. [2024-10-14 13:47:48,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 3.625) internal successors, (58), 17 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-10-14 13:47:48,571 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 806 transitions. [2024-10-14 13:47:48,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-14 13:47:48,573 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:47:48,573 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:47:48,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-14 13:47:48,574 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:47:48,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:47:48,574 INFO L85 PathProgramCache]: Analyzing trace with hash 2038347076, now seen corresponding path program 1 times [2024-10-14 13:47:48,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 13:47:48,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452724845] [2024-10-14 13:47:48,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:47:48,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 13:47:48,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:49,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 13:47:49,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:49,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 13:47:49,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:49,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 13:47:49,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:49,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 13:47:49,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:49,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 13:47:49,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:49,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 13:47:49,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:49,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 13:47:49,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:49,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 13:47:49,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:49,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 13:47:49,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:49,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 13:47:49,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:49,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 13:47:49,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:49,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 13:47:49,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:49,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 13:47:49,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:49,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 13:47:49,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:49,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 13:47:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:49,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 13:47:49,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:49,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 13:47:49,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:49,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 13:47:49,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:49,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 13:47:49,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:49,760 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-14 13:47:49,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 13:47:49,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452724845] [2024-10-14 13:47:49,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452724845] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:47:49,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:47:49,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-10-14 13:47:49,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126957005] [2024-10-14 13:47:49,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:47:49,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-14 13:47:49,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 13:47:49,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-14 13:47:49,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2024-10-14 13:47:49,763 INFO L87 Difference]: Start difference. First operand 559 states and 806 transitions. Second operand has 17 states, 16 states have (on average 3.625) internal successors, (58), 17 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-10-14 13:47:51,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:47:51,511 INFO L93 Difference]: Finished difference Result 1393 states and 1991 transitions. [2024-10-14 13:47:51,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-14 13:47:51,512 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 3.625) internal successors, (58), 17 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 150 [2024-10-14 13:47:51,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:47:51,516 INFO L225 Difference]: With dead ends: 1393 [2024-10-14 13:47:51,516 INFO L226 Difference]: Without dead ends: 835 [2024-10-14 13:47:51,518 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 246 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=284, Invalid=1048, Unknown=0, NotChecked=0, Total=1332 [2024-10-14 13:47:51,519 INFO L432 NwaCegarLoop]: 285 mSDtfsCounter, 1361 mSDsluCounter, 2289 mSDsCounter, 0 mSdLazyCounter, 1398 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1361 SdHoareTripleChecker+Valid, 2574 SdHoareTripleChecker+Invalid, 1571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 1398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-14 13:47:51,519 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1361 Valid, 2574 Invalid, 1571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 1398 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-14 13:47:51,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2024-10-14 13:47:51,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 644. [2024-10-14 13:47:51,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 644 states, 571 states have (on average 1.3870402802101576) internal successors, (792), 574 states have internal predecessors, (792), 65 states have call successors, (65), 7 states have call predecessors, (65), 7 states have return successors, (65), 62 states have call predecessors, (65), 65 states have call successors, (65) [2024-10-14 13:47:51,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 922 transitions. [2024-10-14 13:47:51,586 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 922 transitions. Word has length 150 [2024-10-14 13:47:51,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:47:51,587 INFO L471 AbstractCegarLoop]: Abstraction has 644 states and 922 transitions. [2024-10-14 13:47:51,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 3.625) internal successors, (58), 17 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-10-14 13:47:51,587 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 922 transitions. [2024-10-14 13:47:51,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-14 13:47:51,589 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:47:51,590 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:47:51,590 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-10-14 13:47:51,590 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:47:51,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:47:51,591 INFO L85 PathProgramCache]: Analyzing trace with hash 429088674, now seen corresponding path program 1 times [2024-10-14 13:47:51,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 13:47:51,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815466961] [2024-10-14 13:47:51,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:47:51,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 13:47:51,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:54,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 13:47:54,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:54,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 13:47:54,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:54,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 13:47:54,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:54,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 13:47:54,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:54,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 13:47:54,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:54,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 13:47:54,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:54,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 13:47:54,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:54,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 13:47:54,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:54,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 13:47:54,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:54,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 13:47:55,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:55,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 13:47:55,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:55,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 13:47:55,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:55,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 13:47:55,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:55,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 13:47:55,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:55,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 13:47:55,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:55,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 13:47:55,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:55,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 13:47:55,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:55,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 13:47:55,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:55,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 13:47:55,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:47:55,055 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-14 13:47:55,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 13:47:55,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815466961] [2024-10-14 13:47:55,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815466961] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:47:55,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:47:55,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2024-10-14 13:47:55,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719131303] [2024-10-14 13:47:55,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:47:55,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-10-14 13:47:55,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 13:47:55,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-10-14 13:47:55,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=670, Unknown=0, NotChecked=0, Total=756 [2024-10-14 13:47:55,057 INFO L87 Difference]: Start difference. First operand 644 states and 922 transitions. Second operand has 28 states, 25 states have (on average 2.32) internal successors, (58), 27 states have internal predecessors, (58), 7 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 7 states have call successors, (19) [2024-10-14 13:47:59,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:47:59,725 INFO L93 Difference]: Finished difference Result 1556 states and 2216 transitions. [2024-10-14 13:47:59,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-10-14 13:47:59,726 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 25 states have (on average 2.32) internal successors, (58), 27 states have internal predecessors, (58), 7 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 7 states have call successors, (19) Word has length 150 [2024-10-14 13:47:59,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:47:59,730 INFO L225 Difference]: With dead ends: 1556 [2024-10-14 13:47:59,730 INFO L226 Difference]: Without dead ends: 913 [2024-10-14 13:47:59,732 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 538 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=527, Invalid=2553, Unknown=0, NotChecked=0, Total=3080 [2024-10-14 13:47:59,733 INFO L432 NwaCegarLoop]: 282 mSDtfsCounter, 848 mSDsluCounter, 5036 mSDsCounter, 0 mSdLazyCounter, 2854 mSolverCounterSat, 118 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 848 SdHoareTripleChecker+Valid, 5318 SdHoareTripleChecker+Invalid, 2972 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 118 IncrementalHoareTripleChecker+Valid, 2854 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-10-14 13:47:59,733 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [848 Valid, 5318 Invalid, 2972 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [118 Valid, 2854 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-10-14 13:47:59,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 913 states. [2024-10-14 13:47:59,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 913 to 734. [2024-10-14 13:47:59,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 734 states, 658 states have (on average 1.3890577507598785) internal successors, (914), 662 states have internal predecessors, (914), 67 states have call successors, (67), 8 states have call predecessors, (67), 8 states have return successors, (67), 63 states have call predecessors, (67), 67 states have call successors, (67) [2024-10-14 13:47:59,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 1048 transitions. [2024-10-14 13:47:59,788 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 1048 transitions. Word has length 150 [2024-10-14 13:47:59,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:47:59,789 INFO L471 AbstractCegarLoop]: Abstraction has 734 states and 1048 transitions. [2024-10-14 13:47:59,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 25 states have (on average 2.32) internal successors, (58), 27 states have internal predecessors, (58), 7 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 7 states have call successors, (19) [2024-10-14 13:47:59,789 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 1048 transitions. [2024-10-14 13:47:59,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-14 13:47:59,791 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:47:59,791 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:47:59,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-10-14 13:47:59,792 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:47:59,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:47:59,792 INFO L85 PathProgramCache]: Analyzing trace with hash 687254112, now seen corresponding path program 1 times [2024-10-14 13:47:59,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 13:47:59,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232920622] [2024-10-14 13:47:59,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:47:59,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 13:47:59,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:00,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 13:48:00,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:00,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 13:48:00,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:00,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 13:48:00,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:00,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 13:48:00,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:00,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 13:48:00,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:00,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 13:48:00,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:00,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 13:48:00,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:00,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 13:48:00,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:00,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 13:48:00,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:00,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 13:48:00,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:00,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 13:48:00,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:00,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 13:48:00,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:00,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 13:48:00,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:00,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 13:48:00,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:00,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 13:48:00,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:00,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 13:48:00,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:00,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 13:48:00,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:00,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 13:48:00,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:00,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 13:48:00,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:00,397 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-14 13:48:00,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 13:48:00,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232920622] [2024-10-14 13:48:00,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232920622] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:48:00,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:48:00,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-14 13:48:00,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469762851] [2024-10-14 13:48:00,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:48:00,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 13:48:00,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 13:48:00,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 13:48:00,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 13:48:00,399 INFO L87 Difference]: Start difference. First operand 734 states and 1048 transitions. Second operand has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 8 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-10-14 13:48:00,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:48:00,786 INFO L93 Difference]: Finished difference Result 1616 states and 2293 transitions. [2024-10-14 13:48:00,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 13:48:00,787 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 8 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 150 [2024-10-14 13:48:00,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:48:00,792 INFO L225 Difference]: With dead ends: 1616 [2024-10-14 13:48:00,792 INFO L226 Difference]: Without dead ends: 883 [2024-10-14 13:48:00,795 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-10-14 13:48:00,796 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 316 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 13:48:00,796 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 590 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 13:48:00,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2024-10-14 13:48:00,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 734. [2024-10-14 13:48:00,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 734 states, 658 states have (on average 1.384498480243161) internal successors, (911), 662 states have internal predecessors, (911), 67 states have call successors, (67), 8 states have call predecessors, (67), 8 states have return successors, (67), 63 states have call predecessors, (67), 67 states have call successors, (67) [2024-10-14 13:48:00,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 1045 transitions. [2024-10-14 13:48:00,852 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 1045 transitions. Word has length 150 [2024-10-14 13:48:00,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:48:00,853 INFO L471 AbstractCegarLoop]: Abstraction has 734 states and 1045 transitions. [2024-10-14 13:48:00,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 8 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-10-14 13:48:00,853 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 1045 transitions. [2024-10-14 13:48:00,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-14 13:48:00,855 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:48:00,855 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:48:00,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-14 13:48:00,855 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:48:00,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:48:00,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1942650588, now seen corresponding path program 1 times [2024-10-14 13:48:00,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 13:48:00,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050178923] [2024-10-14 13:48:00,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:48:00,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 13:48:00,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:01,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 13:48:01,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:01,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 13:48:01,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:01,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 13:48:01,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:01,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 13:48:01,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:01,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 13:48:01,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:01,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 13:48:01,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:01,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 13:48:01,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:01,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 13:48:01,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:01,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 13:48:01,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:01,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 13:48:01,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:01,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 13:48:01,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:01,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 13:48:01,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:01,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 13:48:01,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:01,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 13:48:01,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:01,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 13:48:01,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:01,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 13:48:01,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:01,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 13:48:01,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:01,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 13:48:01,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:01,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 13:48:01,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:01,285 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-14 13:48:01,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 13:48:01,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050178923] [2024-10-14 13:48:01,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050178923] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:48:01,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:48:01,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 13:48:01,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214366820] [2024-10-14 13:48:01,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:48:01,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 13:48:01,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 13:48:01,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 13:48:01,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 13:48:01,287 INFO L87 Difference]: Start difference. First operand 734 states and 1045 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:48:01,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:48:01,466 INFO L93 Difference]: Finished difference Result 1558 states and 2204 transitions. [2024-10-14 13:48:01,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 13:48:01,467 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 150 [2024-10-14 13:48:01,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:48:01,475 INFO L225 Difference]: With dead ends: 1558 [2024-10-14 13:48:01,475 INFO L226 Difference]: Without dead ends: 825 [2024-10-14 13:48:01,476 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-14 13:48:01,477 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 95 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 13:48:01,477 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 594 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 13:48:01,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 825 states. [2024-10-14 13:48:01,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 825 to 711. [2024-10-14 13:48:01,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 711 states, 635 states have (on average 1.3795275590551181) internal successors, (876), 639 states have internal predecessors, (876), 67 states have call successors, (67), 8 states have call predecessors, (67), 8 states have return successors, (67), 63 states have call predecessors, (67), 67 states have call successors, (67) [2024-10-14 13:48:01,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 711 states and 1010 transitions. [2024-10-14 13:48:01,531 INFO L78 Accepts]: Start accepts. Automaton has 711 states and 1010 transitions. Word has length 150 [2024-10-14 13:48:01,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:48:01,531 INFO L471 AbstractCegarLoop]: Abstraction has 711 states and 1010 transitions. [2024-10-14 13:48:01,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:48:01,532 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 1010 transitions. [2024-10-14 13:48:01,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-14 13:48:01,534 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:48:01,534 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:48:01,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-14 13:48:01,534 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:48:01,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:48:01,535 INFO L85 PathProgramCache]: Analyzing trace with hash -2032033790, now seen corresponding path program 1 times [2024-10-14 13:48:01,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 13:48:01,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716510638] [2024-10-14 13:48:01,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:48:01,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 13:48:01,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:01,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 13:48:01,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:01,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 13:48:01,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:01,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 13:48:01,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:01,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 13:48:01,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:01,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 13:48:01,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:01,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 13:48:01,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:01,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 13:48:01,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:01,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 13:48:01,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:01,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 13:48:02,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:02,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 13:48:02,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:02,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 13:48:02,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:02,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 13:48:02,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:02,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 13:48:02,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:02,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 13:48:02,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:02,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 13:48:02,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:02,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 13:48:02,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:02,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 13:48:02,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:02,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 13:48:02,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:02,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 13:48:02,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:02,023 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-14 13:48:02,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 13:48:02,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716510638] [2024-10-14 13:48:02,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716510638] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:48:02,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:48:02,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 13:48:02,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793903945] [2024-10-14 13:48:02,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:48:02,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 13:48:02,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 13:48:02,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 13:48:02,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 13:48:02,026 INFO L87 Difference]: Start difference. First operand 711 states and 1010 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:48:02,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:48:02,211 INFO L93 Difference]: Finished difference Result 1157 states and 1649 transitions. [2024-10-14 13:48:02,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 13:48:02,212 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 150 [2024-10-14 13:48:02,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:48:02,216 INFO L225 Difference]: With dead ends: 1157 [2024-10-14 13:48:02,216 INFO L226 Difference]: Without dead ends: 904 [2024-10-14 13:48:02,217 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-10-14 13:48:02,218 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 83 mSDsluCounter, 791 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 959 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 13:48:02,220 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 959 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 13:48:02,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2024-10-14 13:48:02,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 805. [2024-10-14 13:48:02,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 805 states, 729 states have (on average 1.3978052126200273) internal successors, (1019), 733 states have internal predecessors, (1019), 67 states have call successors, (67), 8 states have call predecessors, (67), 8 states have return successors, (67), 63 states have call predecessors, (67), 67 states have call successors, (67) [2024-10-14 13:48:02,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 805 states and 1153 transitions. [2024-10-14 13:48:02,282 INFO L78 Accepts]: Start accepts. Automaton has 805 states and 1153 transitions. Word has length 150 [2024-10-14 13:48:02,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:48:02,282 INFO L471 AbstractCegarLoop]: Abstraction has 805 states and 1153 transitions. [2024-10-14 13:48:02,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:48:02,283 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 1153 transitions. [2024-10-14 13:48:02,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-14 13:48:02,284 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:48:02,284 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:48:02,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-10-14 13:48:02,285 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:48:02,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:48:02,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1567564444, now seen corresponding path program 1 times [2024-10-14 13:48:02,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 13:48:02,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883218320] [2024-10-14 13:48:02,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:48:02,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 13:48:02,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:02,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 13:48:02,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:02,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 13:48:02,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:02,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 13:48:02,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:02,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 13:48:02,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:02,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 13:48:02,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:02,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 13:48:02,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:02,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 13:48:02,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:02,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 13:48:02,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:02,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 13:48:02,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:02,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 13:48:02,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:02,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 13:48:02,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:02,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 13:48:02,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:02,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 13:48:02,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:02,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 13:48:02,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:02,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 13:48:02,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:02,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 13:48:02,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:02,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 13:48:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:02,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 13:48:02,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:02,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 13:48:02,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:02,644 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-14 13:48:02,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 13:48:02,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883218320] [2024-10-14 13:48:02,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883218320] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:48:02,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:48:02,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 13:48:02,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136887460] [2024-10-14 13:48:02,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:48:02,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 13:48:02,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 13:48:02,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 13:48:02,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 13:48:02,646 INFO L87 Difference]: Start difference. First operand 805 states and 1153 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:48:02,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:48:02,852 INFO L93 Difference]: Finished difference Result 1742 states and 2479 transitions. [2024-10-14 13:48:02,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 13:48:02,852 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 150 [2024-10-14 13:48:02,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:48:02,856 INFO L225 Difference]: With dead ends: 1742 [2024-10-14 13:48:02,856 INFO L226 Difference]: Without dead ends: 938 [2024-10-14 13:48:02,858 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-14 13:48:02,859 INFO L432 NwaCegarLoop]: 238 mSDtfsCounter, 80 mSDsluCounter, 572 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 810 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 13:48:02,859 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 810 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 13:48:02,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2024-10-14 13:48:02,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 805. [2024-10-14 13:48:02,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 805 states, 729 states have (on average 1.393689986282579) internal successors, (1016), 733 states have internal predecessors, (1016), 67 states have call successors, (67), 8 states have call predecessors, (67), 8 states have return successors, (67), 63 states have call predecessors, (67), 67 states have call successors, (67) [2024-10-14 13:48:02,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 805 states and 1150 transitions. [2024-10-14 13:48:02,912 INFO L78 Accepts]: Start accepts. Automaton has 805 states and 1150 transitions. Word has length 150 [2024-10-14 13:48:02,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:48:02,913 INFO L471 AbstractCegarLoop]: Abstraction has 805 states and 1150 transitions. [2024-10-14 13:48:02,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:48:02,913 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 1150 transitions. [2024-10-14 13:48:02,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-14 13:48:02,914 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:48:02,914 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:48:02,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-10-14 13:48:02,915 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:48:02,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:48:02,915 INFO L85 PathProgramCache]: Analyzing trace with hash -1309399006, now seen corresponding path program 1 times [2024-10-14 13:48:02,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 13:48:02,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388578824] [2024-10-14 13:48:02,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:48:02,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 13:48:03,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:03,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 13:48:03,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:03,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 13:48:03,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:03,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 13:48:03,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:03,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 13:48:03,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:03,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 13:48:03,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:03,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 13:48:03,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:03,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 13:48:03,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:03,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 13:48:03,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:03,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 13:48:03,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:03,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 13:48:03,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:03,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 13:48:03,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:03,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 13:48:03,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:03,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 13:48:03,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:03,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 13:48:03,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:03,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 13:48:03,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:03,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 13:48:03,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:03,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 13:48:03,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:03,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 13:48:03,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:03,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 13:48:03,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:03,736 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-14 13:48:03,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 13:48:03,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388578824] [2024-10-14 13:48:03,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388578824] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:48:03,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:48:03,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-14 13:48:03,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139543486] [2024-10-14 13:48:03,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:48:03,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-14 13:48:03,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 13:48:03,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-14 13:48:03,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2024-10-14 13:48:03,740 INFO L87 Difference]: Start difference. First operand 805 states and 1150 transitions. Second operand has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:48:04,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:48:04,226 INFO L93 Difference]: Finished difference Result 1681 states and 2393 transitions. [2024-10-14 13:48:04,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-14 13:48:04,227 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 150 [2024-10-14 13:48:04,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:48:04,231 INFO L225 Difference]: With dead ends: 1681 [2024-10-14 13:48:04,232 INFO L226 Difference]: Without dead ends: 877 [2024-10-14 13:48:04,234 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=397, Unknown=0, NotChecked=0, Total=462 [2024-10-14 13:48:04,234 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 80 mSDsluCounter, 2483 mSDsCounter, 0 mSdLazyCounter, 554 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 2712 SdHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 554 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 13:48:04,236 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 2712 Invalid, 554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 554 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 13:48:04,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 877 states. [2024-10-14 13:48:04,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 877 to 830. [2024-10-14 13:48:04,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 830 states, 751 states have (on average 1.388814913448735) internal successors, (1043), 756 states have internal predecessors, (1043), 69 states have call successors, (69), 9 states have call predecessors, (69), 9 states have return successors, (69), 64 states have call predecessors, (69), 69 states have call successors, (69) [2024-10-14 13:48:04,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 830 states and 1181 transitions. [2024-10-14 13:48:04,293 INFO L78 Accepts]: Start accepts. Automaton has 830 states and 1181 transitions. Word has length 150 [2024-10-14 13:48:04,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:48:04,294 INFO L471 AbstractCegarLoop]: Abstraction has 830 states and 1181 transitions. [2024-10-14 13:48:04,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:48:04,294 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1181 transitions. [2024-10-14 13:48:04,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-14 13:48:04,295 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:48:04,295 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:48:04,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-10-14 13:48:04,296 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:48:04,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:48:04,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1015931682, now seen corresponding path program 1 times [2024-10-14 13:48:04,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 13:48:04,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058888950] [2024-10-14 13:48:04,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:48:04,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 13:48:04,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:05,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 13:48:05,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:05,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 13:48:05,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:05,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 13:48:05,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:05,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 13:48:05,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:05,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 13:48:05,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:05,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 13:48:05,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:05,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 13:48:05,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:05,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 13:48:05,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:05,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 13:48:05,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:05,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 13:48:05,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:05,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 13:48:05,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:05,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 13:48:05,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:05,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 13:48:05,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:05,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 13:48:05,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:05,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 13:48:05,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:05,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 13:48:05,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:05,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 13:48:05,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:05,105 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 13:48:05,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:05,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 13:48:05,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:05,112 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-14 13:48:05,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 13:48:05,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058888950] [2024-10-14 13:48:05,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058888950] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:48:05,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:48:05,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-14 13:48:05,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044083720] [2024-10-14 13:48:05,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:48:05,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-14 13:48:05,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 13:48:05,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-14 13:48:05,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-10-14 13:48:05,115 INFO L87 Difference]: Start difference. First operand 830 states and 1181 transitions. Second operand has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:48:05,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:48:05,579 INFO L93 Difference]: Finished difference Result 1886 states and 2679 transitions. [2024-10-14 13:48:05,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 13:48:05,580 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 150 [2024-10-14 13:48:05,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:48:05,585 INFO L225 Difference]: With dead ends: 1886 [2024-10-14 13:48:05,586 INFO L226 Difference]: Without dead ends: 1061 [2024-10-14 13:48:05,588 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2024-10-14 13:48:05,588 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 100 mSDsluCounter, 1935 mSDsCounter, 0 mSdLazyCounter, 520 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 2156 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 520 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 13:48:05,588 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 2156 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 520 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 13:48:05,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1061 states. [2024-10-14 13:48:05,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1061 to 946. [2024-10-14 13:48:05,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 946 states, 867 states have (on average 1.397923875432526) internal successors, (1212), 872 states have internal predecessors, (1212), 69 states have call successors, (69), 9 states have call predecessors, (69), 9 states have return successors, (69), 64 states have call predecessors, (69), 69 states have call successors, (69) [2024-10-14 13:48:05,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 946 states and 1350 transitions. [2024-10-14 13:48:05,653 INFO L78 Accepts]: Start accepts. Automaton has 946 states and 1350 transitions. Word has length 150 [2024-10-14 13:48:05,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:48:05,654 INFO L471 AbstractCegarLoop]: Abstraction has 946 states and 1350 transitions. [2024-10-14 13:48:05,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:48:05,654 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1350 transitions. [2024-10-14 13:48:05,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-14 13:48:05,656 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:48:05,656 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:48:05,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-10-14 13:48:05,657 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:48:05,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:48:05,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1716996260, now seen corresponding path program 1 times [2024-10-14 13:48:05,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 13:48:05,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041835800] [2024-10-14 13:48:05,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:48:05,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 13:48:05,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:05,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 13:48:05,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:05,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 13:48:05,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:05,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 13:48:05,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:05,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 13:48:05,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:05,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 13:48:05,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:05,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 13:48:05,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:05,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 13:48:05,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:05,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 13:48:05,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:05,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 13:48:05,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:05,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 13:48:05,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:05,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 13:48:05,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:05,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 13:48:05,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:05,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 13:48:05,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:05,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 13:48:05,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:05,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 13:48:05,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:05,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 13:48:05,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:05,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 13:48:05,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:05,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 13:48:05,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:05,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 13:48:05,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:05,935 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-14 13:48:05,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 13:48:05,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041835800] [2024-10-14 13:48:05,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041835800] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:48:05,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:48:05,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 13:48:05,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118534388] [2024-10-14 13:48:05,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:48:05,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 13:48:05,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 13:48:05,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 13:48:05,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 13:48:05,937 INFO L87 Difference]: Start difference. First operand 946 states and 1350 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:48:06,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:48:06,140 INFO L93 Difference]: Finished difference Result 2136 states and 3043 transitions. [2024-10-14 13:48:06,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 13:48:06,140 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 150 [2024-10-14 13:48:06,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:48:06,146 INFO L225 Difference]: With dead ends: 2136 [2024-10-14 13:48:06,146 INFO L226 Difference]: Without dead ends: 1191 [2024-10-14 13:48:06,148 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-14 13:48:06,148 INFO L432 NwaCegarLoop]: 240 mSDtfsCounter, 84 mSDsluCounter, 589 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 829 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 13:48:06,149 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 829 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 13:48:06,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1191 states. [2024-10-14 13:48:06,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1191 to 1187. [2024-10-14 13:48:06,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1187 states, 1084 states have (on average 1.3883763837638377) internal successors, (1505), 1093 states have internal predecessors, (1505), 89 states have call successors, (89), 13 states have call predecessors, (89), 13 states have return successors, (89), 80 states have call predecessors, (89), 89 states have call successors, (89) [2024-10-14 13:48:06,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 1187 states and 1683 transitions. [2024-10-14 13:48:06,255 INFO L78 Accepts]: Start accepts. Automaton has 1187 states and 1683 transitions. Word has length 150 [2024-10-14 13:48:06,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:48:06,255 INFO L471 AbstractCegarLoop]: Abstraction has 1187 states and 1683 transitions. [2024-10-14 13:48:06,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:48:06,255 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 1683 transitions. [2024-10-14 13:48:06,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-14 13:48:06,257 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:48:06,257 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:48:06,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-10-14 13:48:06,257 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:48:06,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:48:06,258 INFO L85 PathProgramCache]: Analyzing trace with hash 429125668, now seen corresponding path program 1 times [2024-10-14 13:48:06,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 13:48:06,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003179671] [2024-10-14 13:48:06,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:48:06,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 13:48:06,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:06,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 13:48:06,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:06,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 13:48:06,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:06,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 13:48:06,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:06,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 13:48:06,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:06,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 13:48:06,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:06,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 13:48:06,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:06,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 13:48:06,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:06,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 13:48:06,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:06,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 13:48:06,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:06,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 13:48:06,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:06,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 13:48:06,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:06,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 13:48:06,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:06,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 13:48:06,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:06,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 13:48:06,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:06,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 13:48:06,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:06,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 13:48:06,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:06,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 13:48:06,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:06,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 13:48:06,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:06,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 13:48:06,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:06,466 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-14 13:48:06,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 13:48:06,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003179671] [2024-10-14 13:48:06,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003179671] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:48:06,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:48:06,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 13:48:06,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158145283] [2024-10-14 13:48:06,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:48:06,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 13:48:06,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 13:48:06,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 13:48:06,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 13:48:06,468 INFO L87 Difference]: Start difference. First operand 1187 states and 1683 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:48:06,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:48:06,650 INFO L93 Difference]: Finished difference Result 2562 states and 3639 transitions. [2024-10-14 13:48:06,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 13:48:06,651 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 150 [2024-10-14 13:48:06,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:48:06,657 INFO L225 Difference]: With dead ends: 2562 [2024-10-14 13:48:06,658 INFO L226 Difference]: Without dead ends: 1380 [2024-10-14 13:48:06,660 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-14 13:48:06,661 INFO L432 NwaCegarLoop]: 217 mSDtfsCounter, 66 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 767 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 13:48:06,661 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 767 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 13:48:06,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1380 states. [2024-10-14 13:48:06,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1380 to 1237. [2024-10-14 13:48:06,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1237 states, 1134 states have (on average 1.3924162257495591) internal successors, (1579), 1143 states have internal predecessors, (1579), 89 states have call successors, (89), 13 states have call predecessors, (89), 13 states have return successors, (89), 80 states have call predecessors, (89), 89 states have call successors, (89) [2024-10-14 13:48:06,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1237 states to 1237 states and 1757 transitions. [2024-10-14 13:48:06,770 INFO L78 Accepts]: Start accepts. Automaton has 1237 states and 1757 transitions. Word has length 150 [2024-10-14 13:48:06,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:48:06,770 INFO L471 AbstractCegarLoop]: Abstraction has 1237 states and 1757 transitions. [2024-10-14 13:48:06,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:48:06,771 INFO L276 IsEmpty]: Start isEmpty. Operand 1237 states and 1757 transitions. [2024-10-14 13:48:06,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-14 13:48:06,772 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:48:06,773 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:48:06,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-10-14 13:48:06,773 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:48:06,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:48:06,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1077971296, now seen corresponding path program 1 times [2024-10-14 13:48:06,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 13:48:06,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411871331] [2024-10-14 13:48:06,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:48:06,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 13:48:06,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:07,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 13:48:07,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:07,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 13:48:07,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:07,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 13:48:07,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:07,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 13:48:07,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:07,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 13:48:07,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:07,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 13:48:07,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:07,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 13:48:07,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:07,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 13:48:07,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:07,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 13:48:07,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:07,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 13:48:07,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:07,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 13:48:07,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:07,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 13:48:07,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:07,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 13:48:07,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:07,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 13:48:07,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:07,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 13:48:07,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:07,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 13:48:07,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:07,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 13:48:07,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:07,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 13:48:07,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:07,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 13:48:07,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:07,228 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-14 13:48:07,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 13:48:07,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411871331] [2024-10-14 13:48:07,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411871331] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:48:07,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:48:07,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-14 13:48:07,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096858458] [2024-10-14 13:48:07,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:48:07,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 13:48:07,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 13:48:07,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 13:48:07,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-10-14 13:48:07,230 INFO L87 Difference]: Start difference. First operand 1237 states and 1757 transitions. Second operand has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 8 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-10-14 13:48:07,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:48:07,618 INFO L93 Difference]: Finished difference Result 2541 states and 3598 transitions. [2024-10-14 13:48:07,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 13:48:07,619 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 8 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 150 [2024-10-14 13:48:07,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:48:07,626 INFO L225 Difference]: With dead ends: 2541 [2024-10-14 13:48:07,626 INFO L226 Difference]: Without dead ends: 1309 [2024-10-14 13:48:07,628 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-10-14 13:48:07,629 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 245 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 866 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 13:48:07,629 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 866 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 13:48:07,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1309 states. [2024-10-14 13:48:07,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1309 to 1148. [2024-10-14 13:48:07,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1148 states, 1055 states have (on average 1.3924170616113745) internal successors, (1469), 1061 states have internal predecessors, (1469), 79 states have call successors, (79), 13 states have call predecessors, (79), 13 states have return successors, (79), 73 states have call predecessors, (79), 79 states have call successors, (79) [2024-10-14 13:48:07,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 1148 states and 1627 transitions. [2024-10-14 13:48:07,712 INFO L78 Accepts]: Start accepts. Automaton has 1148 states and 1627 transitions. Word has length 150 [2024-10-14 13:48:07,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:48:07,712 INFO L471 AbstractCegarLoop]: Abstraction has 1148 states and 1627 transitions. [2024-10-14 13:48:07,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 8 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-10-14 13:48:07,713 INFO L276 IsEmpty]: Start isEmpty. Operand 1148 states and 1627 transitions. [2024-10-14 13:48:07,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-14 13:48:07,714 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:48:07,714 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:48:07,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-10-14 13:48:07,714 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:48:07,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:48:07,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1779035874, now seen corresponding path program 1 times [2024-10-14 13:48:07,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 13:48:07,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369349825] [2024-10-14 13:48:07,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:48:07,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 13:48:07,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:08,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 13:48:08,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:08,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 13:48:08,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:08,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 13:48:08,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:08,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 13:48:08,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:08,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 13:48:08,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:08,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 13:48:08,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:08,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 13:48:08,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:08,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 13:48:08,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:08,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 13:48:08,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:08,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 13:48:08,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:08,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 13:48:08,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:08,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 13:48:08,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:08,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 13:48:08,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:08,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 13:48:08,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:08,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 13:48:08,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:08,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 13:48:08,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:08,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 13:48:08,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:08,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 13:48:08,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:08,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 13:48:08,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:08,359 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-14 13:48:08,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 13:48:08,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369349825] [2024-10-14 13:48:08,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369349825] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:48:08,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:48:08,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-14 13:48:08,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029664245] [2024-10-14 13:48:08,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:48:08,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-14 13:48:08,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 13:48:08,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-14 13:48:08,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-10-14 13:48:08,361 INFO L87 Difference]: Start difference. First operand 1148 states and 1627 transitions. Second operand has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:48:08,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:48:08,808 INFO L93 Difference]: Finished difference Result 2442 states and 3450 transitions. [2024-10-14 13:48:08,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 13:48:08,809 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 150 [2024-10-14 13:48:08,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:48:08,814 INFO L225 Difference]: With dead ends: 2442 [2024-10-14 13:48:08,815 INFO L226 Difference]: Without dead ends: 1295 [2024-10-14 13:48:08,817 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2024-10-14 13:48:08,817 INFO L432 NwaCegarLoop]: 233 mSDtfsCounter, 84 mSDsluCounter, 1870 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 2103 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 13:48:08,817 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 2103 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 13:48:08,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1295 states. [2024-10-14 13:48:08,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1295 to 1154. [2024-10-14 13:48:08,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1154 states, 1061 states have (on average 1.3901979264844486) internal successors, (1475), 1067 states have internal predecessors, (1475), 79 states have call successors, (79), 13 states have call predecessors, (79), 13 states have return successors, (79), 73 states have call predecessors, (79), 79 states have call successors, (79) [2024-10-14 13:48:08,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 1154 states and 1633 transitions. [2024-10-14 13:48:08,903 INFO L78 Accepts]: Start accepts. Automaton has 1154 states and 1633 transitions. Word has length 150 [2024-10-14 13:48:08,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:48:08,904 INFO L471 AbstractCegarLoop]: Abstraction has 1154 states and 1633 transitions. [2024-10-14 13:48:08,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:48:08,904 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1633 transitions. [2024-10-14 13:48:08,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-14 13:48:08,908 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:48:08,909 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:48:08,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-10-14 13:48:08,909 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:48:08,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:48:08,909 INFO L85 PathProgramCache]: Analyzing trace with hash 506458592, now seen corresponding path program 1 times [2024-10-14 13:48:08,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 13:48:08,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153938961] [2024-10-14 13:48:08,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:48:08,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 13:48:08,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:09,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 13:48:09,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:09,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 13:48:09,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:09,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 13:48:09,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:09,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 13:48:09,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:09,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 13:48:09,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:09,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 13:48:09,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:09,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 13:48:09,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:09,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 13:48:09,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:09,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 13:48:09,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:09,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 13:48:09,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:09,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 13:48:09,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:09,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 13:48:09,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:09,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 13:48:09,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:09,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 13:48:09,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:09,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 13:48:09,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:09,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 13:48:09,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:09,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 13:48:09,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:09,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 13:48:09,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:09,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 13:48:09,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:09,147 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-14 13:48:09,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 13:48:09,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153938961] [2024-10-14 13:48:09,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153938961] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:48:09,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:48:09,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 13:48:09,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35380374] [2024-10-14 13:48:09,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:48:09,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 13:48:09,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 13:48:09,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 13:48:09,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 13:48:09,152 INFO L87 Difference]: Start difference. First operand 1154 states and 1633 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:48:09,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:48:09,321 INFO L93 Difference]: Finished difference Result 2341 states and 3311 transitions. [2024-10-14 13:48:09,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 13:48:09,321 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 150 [2024-10-14 13:48:09,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:48:09,327 INFO L225 Difference]: With dead ends: 2341 [2024-10-14 13:48:09,327 INFO L226 Difference]: Without dead ends: 1188 [2024-10-14 13:48:09,330 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-14 13:48:09,330 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 66 mSDsluCounter, 569 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 797 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 13:48:09,331 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 797 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 13:48:09,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1188 states. [2024-10-14 13:48:09,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1188 to 1154. [2024-10-14 13:48:09,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1154 states, 1061 states have (on average 1.3845428840716305) internal successors, (1469), 1067 states have internal predecessors, (1469), 79 states have call successors, (79), 13 states have call predecessors, (79), 13 states have return successors, (79), 73 states have call predecessors, (79), 79 states have call successors, (79) [2024-10-14 13:48:09,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 1154 states and 1627 transitions. [2024-10-14 13:48:09,414 INFO L78 Accepts]: Start accepts. Automaton has 1154 states and 1627 transitions. Word has length 150 [2024-10-14 13:48:09,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:48:09,415 INFO L471 AbstractCegarLoop]: Abstraction has 1154 states and 1627 transitions. [2024-10-14 13:48:09,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:48:09,415 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1627 transitions. [2024-10-14 13:48:09,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-14 13:48:09,417 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:48:09,417 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:48:09,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-10-14 13:48:09,418 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:48:09,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:48:09,418 INFO L85 PathProgramCache]: Analyzing trace with hash -80347422, now seen corresponding path program 1 times [2024-10-14 13:48:09,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 13:48:09,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311053974] [2024-10-14 13:48:09,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:48:09,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 13:48:09,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:10,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 13:48:10,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:10,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 13:48:10,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:10,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 13:48:10,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:10,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 13:48:10,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:10,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 13:48:10,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:10,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 13:48:10,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:10,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 13:48:10,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:10,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 13:48:10,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:10,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 13:48:10,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:10,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 13:48:10,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:10,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 13:48:10,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:10,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 13:48:10,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:10,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 13:48:10,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:10,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 13:48:10,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:10,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 13:48:10,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:10,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 13:48:10,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:10,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 13:48:10,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:10,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 13:48:10,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:10,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 13:48:10,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:10,498 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-14 13:48:10,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 13:48:10,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311053974] [2024-10-14 13:48:10,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311053974] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:48:10,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:48:10,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-10-14 13:48:10,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822452710] [2024-10-14 13:48:10,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:48:10,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-14 13:48:10,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 13:48:10,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-14 13:48:10,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=239, Unknown=0, NotChecked=0, Total=272 [2024-10-14 13:48:10,501 INFO L87 Difference]: Start difference. First operand 1154 states and 1627 transitions. Second operand has 17 states, 16 states have (on average 3.625) internal successors, (58), 17 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-10-14 13:48:11,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:48:11,681 INFO L93 Difference]: Finished difference Result 1889 states and 2663 transitions. [2024-10-14 13:48:11,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-14 13:48:11,682 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 3.625) internal successors, (58), 17 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 150 [2024-10-14 13:48:11,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:48:11,688 INFO L225 Difference]: With dead ends: 1889 [2024-10-14 13:48:11,688 INFO L226 Difference]: Without dead ends: 1262 [2024-10-14 13:48:11,694 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=132, Invalid=738, Unknown=0, NotChecked=0, Total=870 [2024-10-14 13:48:11,694 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 488 mSDsluCounter, 2476 mSDsCounter, 0 mSdLazyCounter, 997 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 488 SdHoareTripleChecker+Valid, 2707 SdHoareTripleChecker+Invalid, 1028 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 997 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-14 13:48:11,695 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [488 Valid, 2707 Invalid, 1028 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 997 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-14 13:48:11,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1262 states. [2024-10-14 13:48:11,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1262 to 1152. [2024-10-14 13:48:11,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1152 states, 1059 states have (on average 1.385269121813031) internal successors, (1467), 1065 states have internal predecessors, (1467), 79 states have call successors, (79), 13 states have call predecessors, (79), 13 states have return successors, (79), 73 states have call predecessors, (79), 79 states have call successors, (79) [2024-10-14 13:48:11,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 1152 states and 1625 transitions. [2024-10-14 13:48:11,803 INFO L78 Accepts]: Start accepts. Automaton has 1152 states and 1625 transitions. Word has length 150 [2024-10-14 13:48:11,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:48:11,803 INFO L471 AbstractCegarLoop]: Abstraction has 1152 states and 1625 transitions. [2024-10-14 13:48:11,803 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 3.625) internal successors, (58), 17 states have internal predecessors, (58), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-10-14 13:48:11,804 INFO L276 IsEmpty]: Start isEmpty. Operand 1152 states and 1625 transitions. [2024-10-14 13:48:11,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-14 13:48:11,807 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:48:11,807 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:48:11,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-10-14 13:48:11,807 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:48:11,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:48:11,808 INFO L85 PathProgramCache]: Analyzing trace with hash -1885785756, now seen corresponding path program 1 times [2024-10-14 13:48:11,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 13:48:11,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085946037] [2024-10-14 13:48:11,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:48:11,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 13:48:11,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:12,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 13:48:12,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:12,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 13:48:12,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:12,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 13:48:12,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:12,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 13:48:12,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:12,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 13:48:12,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:12,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 13:48:12,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:12,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 13:48:12,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:12,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 13:48:12,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:12,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 13:48:12,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:12,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 13:48:12,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:12,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 13:48:12,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:12,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 13:48:12,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:12,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 13:48:12,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:12,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 13:48:12,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:12,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 13:48:12,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:12,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 13:48:12,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:12,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 13:48:12,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:12,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 13:48:12,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:12,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 13:48:12,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:12,466 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-14 13:48:12,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 13:48:12,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085946037] [2024-10-14 13:48:12,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085946037] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:48:12,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:48:12,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-14 13:48:12,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603522131] [2024-10-14 13:48:12,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:48:12,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-14 13:48:12,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 13:48:12,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-14 13:48:12,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-10-14 13:48:12,467 INFO L87 Difference]: Start difference. First operand 1152 states and 1625 transitions. Second operand has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:48:12,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:48:12,847 INFO L93 Difference]: Finished difference Result 2411 states and 3397 transitions. [2024-10-14 13:48:12,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 13:48:12,847 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 150 [2024-10-14 13:48:12,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:48:12,853 INFO L225 Difference]: With dead ends: 2411 [2024-10-14 13:48:12,853 INFO L226 Difference]: Without dead ends: 1260 [2024-10-14 13:48:12,856 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2024-10-14 13:48:12,856 INFO L432 NwaCegarLoop]: 227 mSDtfsCounter, 69 mSDsluCounter, 2131 mSDsCounter, 0 mSdLazyCounter, 400 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 2358 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 13:48:12,857 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 2358 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 400 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 13:48:12,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1260 states. [2024-10-14 13:48:12,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1260 to 1158. [2024-10-14 13:48:12,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1158 states, 1065 states have (on average 1.3830985915492957) internal successors, (1473), 1071 states have internal predecessors, (1473), 79 states have call successors, (79), 13 states have call predecessors, (79), 13 states have return successors, (79), 73 states have call predecessors, (79), 79 states have call successors, (79) [2024-10-14 13:48:12,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 1158 states and 1631 transitions. [2024-10-14 13:48:12,978 INFO L78 Accepts]: Start accepts. Automaton has 1158 states and 1631 transitions. Word has length 150 [2024-10-14 13:48:12,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:48:12,979 INFO L471 AbstractCegarLoop]: Abstraction has 1158 states and 1631 transitions. [2024-10-14 13:48:12,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:48:12,979 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 1631 transitions. [2024-10-14 13:48:12,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-10-14 13:48:12,981 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:48:12,982 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:48:12,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-10-14 13:48:12,982 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:48:12,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:48:12,983 INFO L85 PathProgramCache]: Analyzing trace with hash 682756770, now seen corresponding path program 1 times [2024-10-14 13:48:12,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 13:48:12,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93835402] [2024-10-14 13:48:12,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:48:12,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 13:48:13,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:13,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 13:48:13,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:13,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 13:48:13,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:13,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 13:48:13,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:13,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 13:48:13,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:13,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 13:48:13,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:13,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 13:48:13,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:13,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 13:48:13,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:13,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 13:48:13,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:13,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 13:48:13,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:13,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 13:48:13,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:13,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 13:48:13,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:13,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 13:48:13,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:13,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 13:48:13,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:13,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 13:48:13,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:13,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 13:48:13,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:13,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 13:48:13,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:13,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 13:48:13,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:13,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 13:48:13,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:13,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 13:48:13,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:13,922 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-14 13:48:13,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 13:48:13,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93835402] [2024-10-14 13:48:13,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93835402] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:48:13,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:48:13,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-14 13:48:13,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209158743] [2024-10-14 13:48:13,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:48:13,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-14 13:48:13,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 13:48:13,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-14 13:48:13,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-10-14 13:48:13,925 INFO L87 Difference]: Start difference. First operand 1158 states and 1631 transitions. Second operand has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:48:14,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:48:14,463 INFO L93 Difference]: Finished difference Result 2412 states and 3396 transitions. [2024-10-14 13:48:14,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-14 13:48:14,464 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 150 [2024-10-14 13:48:14,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:48:14,469 INFO L225 Difference]: With dead ends: 2412 [2024-10-14 13:48:14,470 INFO L226 Difference]: Without dead ends: 1255 [2024-10-14 13:48:14,471 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2024-10-14 13:48:14,472 INFO L432 NwaCegarLoop]: 226 mSDtfsCounter, 69 mSDsluCounter, 1877 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 2103 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 13:48:14,472 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 2103 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 13:48:14,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2024-10-14 13:48:14,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1147. [2024-10-14 13:48:14,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1147 states, 1054 states have (on average 1.3842504743833017) internal successors, (1459), 1060 states have internal predecessors, (1459), 79 states have call successors, (79), 13 states have call predecessors, (79), 13 states have return successors, (79), 73 states have call predecessors, (79), 79 states have call successors, (79) [2024-10-14 13:48:14,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 1147 states and 1617 transitions. [2024-10-14 13:48:14,556 INFO L78 Accepts]: Start accepts. Automaton has 1147 states and 1617 transitions. Word has length 150 [2024-10-14 13:48:14,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:48:14,557 INFO L471 AbstractCegarLoop]: Abstraction has 1147 states and 1617 transitions. [2024-10-14 13:48:14,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.461538461538462) internal successors, (58), 13 states have internal predecessors, (58), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:48:14,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1617 transitions. [2024-10-14 13:48:14,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-10-14 13:48:14,558 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:48:14,559 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:48:14,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-10-14 13:48:14,559 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:48:14,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:48:14,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1017477597, now seen corresponding path program 1 times [2024-10-14 13:48:14,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 13:48:14,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615795585] [2024-10-14 13:48:14,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:48:14,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 13:48:14,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:14,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 13:48:14,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:14,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 13:48:14,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:14,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 13:48:14,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:14,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 13:48:14,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:14,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 13:48:14,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:14,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 13:48:14,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:14,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 13:48:14,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:14,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 13:48:14,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:14,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 13:48:14,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:14,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 13:48:14,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:14,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 13:48:14,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:14,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 13:48:14,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:14,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 13:48:14,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:14,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 13:48:14,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:14,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 13:48:14,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:14,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 13:48:14,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:14,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 13:48:14,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:14,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 13:48:14,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:14,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 13:48:14,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:14,628 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-14 13:48:14,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 13:48:14,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615795585] [2024-10-14 13:48:14,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615795585] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:48:14,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:48:14,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 13:48:14,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056025208] [2024-10-14 13:48:14,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:48:14,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 13:48:14,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 13:48:14,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 13:48:14,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 13:48:14,631 INFO L87 Difference]: Start difference. First operand 1147 states and 1617 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:48:14,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:48:14,701 INFO L93 Difference]: Finished difference Result 2304 states and 3255 transitions. [2024-10-14 13:48:14,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 13:48:14,701 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 151 [2024-10-14 13:48:14,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:48:14,705 INFO L225 Difference]: With dead ends: 2304 [2024-10-14 13:48:14,706 INFO L226 Difference]: Without dead ends: 1158 [2024-10-14 13:48:14,708 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 13:48:14,708 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 0 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 13:48:14,710 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 335 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 13:48:14,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2024-10-14 13:48:14,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 1158. [2024-10-14 13:48:14,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1158 states, 1065 states have (on average 1.380281690140845) internal successors, (1470), 1071 states have internal predecessors, (1470), 79 states have call successors, (79), 13 states have call predecessors, (79), 13 states have return successors, (79), 73 states have call predecessors, (79), 79 states have call successors, (79) [2024-10-14 13:48:14,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1158 states to 1158 states and 1628 transitions. [2024-10-14 13:48:14,789 INFO L78 Accepts]: Start accepts. Automaton has 1158 states and 1628 transitions. Word has length 151 [2024-10-14 13:48:14,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:48:14,789 INFO L471 AbstractCegarLoop]: Abstraction has 1158 states and 1628 transitions. [2024-10-14 13:48:14,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:48:14,789 INFO L276 IsEmpty]: Start isEmpty. Operand 1158 states and 1628 transitions. [2024-10-14 13:48:14,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-10-14 13:48:14,791 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:48:14,791 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:48:14,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-10-14 13:48:14,791 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:48:14,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:48:14,792 INFO L85 PathProgramCache]: Analyzing trace with hash -316413019, now seen corresponding path program 1 times [2024-10-14 13:48:14,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 13:48:14,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452468648] [2024-10-14 13:48:14,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:48:14,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 13:48:14,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:14,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 13:48:14,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:14,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 13:48:14,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:14,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 13:48:14,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:14,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 13:48:14,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:14,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 13:48:14,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:14,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 13:48:14,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:14,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 13:48:14,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:14,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 13:48:14,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:14,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 13:48:14,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:14,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 13:48:14,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:14,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 13:48:14,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:14,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 13:48:14,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:14,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 13:48:14,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:14,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 13:48:14,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:14,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 13:48:14,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:14,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 13:48:14,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:14,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 13:48:14,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:14,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 13:48:14,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:14,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 13:48:14,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:14,973 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-14 13:48:14,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 13:48:14,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452468648] [2024-10-14 13:48:14,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452468648] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:48:14,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:48:14,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-14 13:48:14,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733768592] [2024-10-14 13:48:14,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:48:14,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 13:48:14,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 13:48:14,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 13:48:14,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-14 13:48:14,975 INFO L87 Difference]: Start difference. First operand 1158 states and 1628 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:48:15,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:48:15,077 INFO L93 Difference]: Finished difference Result 2359 states and 3310 transitions. [2024-10-14 13:48:15,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 13:48:15,078 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 151 [2024-10-14 13:48:15,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:48:15,086 INFO L225 Difference]: With dead ends: 2359 [2024-10-14 13:48:15,086 INFO L226 Difference]: Without dead ends: 1202 [2024-10-14 13:48:15,088 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-14 13:48:15,089 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 0 mSDsluCounter, 655 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 822 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 13:48:15,089 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 822 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 13:48:15,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1202 states. [2024-10-14 13:48:15,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1202 to 1169. [2024-10-14 13:48:15,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1169 states, 1076 states have (on average 1.3763940520446096) internal successors, (1481), 1082 states have internal predecessors, (1481), 79 states have call successors, (79), 13 states have call predecessors, (79), 13 states have return successors, (79), 73 states have call predecessors, (79), 79 states have call successors, (79) [2024-10-14 13:48:15,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 1169 states and 1639 transitions. [2024-10-14 13:48:15,168 INFO L78 Accepts]: Start accepts. Automaton has 1169 states and 1639 transitions. Word has length 151 [2024-10-14 13:48:15,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:48:15,169 INFO L471 AbstractCegarLoop]: Abstraction has 1169 states and 1639 transitions. [2024-10-14 13:48:15,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:48:15,169 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 1639 transitions. [2024-10-14 13:48:15,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-10-14 13:48:15,171 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:48:15,171 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:48:15,171 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-10-14 13:48:15,172 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:48:15,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:48:15,172 INFO L85 PathProgramCache]: Analyzing trace with hash 2009850280, now seen corresponding path program 1 times [2024-10-14 13:48:15,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 13:48:15,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605528844] [2024-10-14 13:48:15,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:48:15,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 13:48:15,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:15,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 13:48:15,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:15,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 13:48:15,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:15,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 13:48:15,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:15,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 13:48:15,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:15,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 13:48:15,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:15,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 13:48:15,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:15,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 13:48:15,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:15,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 13:48:15,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:15,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 13:48:15,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:15,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 13:48:15,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:15,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 13:48:15,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:15,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 13:48:15,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:15,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 13:48:15,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:15,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 13:48:15,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:15,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 13:48:15,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:15,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 13:48:15,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:15,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 13:48:15,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:15,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 13:48:15,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:15,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 13:48:15,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:15,363 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-14 13:48:15,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 13:48:15,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605528844] [2024-10-14 13:48:15,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605528844] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:48:15,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:48:15,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 13:48:15,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011617451] [2024-10-14 13:48:15,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:48:15,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 13:48:15,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 13:48:15,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 13:48:15,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 13:48:15,367 INFO L87 Difference]: Start difference. First operand 1169 states and 1639 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:48:15,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:48:15,658 INFO L93 Difference]: Finished difference Result 3262 states and 4521 transitions. [2024-10-14 13:48:15,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 13:48:15,659 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 153 [2024-10-14 13:48:15,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:48:15,665 INFO L225 Difference]: With dead ends: 3262 [2024-10-14 13:48:15,665 INFO L226 Difference]: Without dead ends: 2094 [2024-10-14 13:48:15,668 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-14 13:48:15,668 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 145 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 13:48:15,668 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 591 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 13:48:15,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2094 states. [2024-10-14 13:48:15,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2094 to 1380. [2024-10-14 13:48:15,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1380 states, 1287 states have (on average 1.3162393162393162) internal successors, (1694), 1293 states have internal predecessors, (1694), 79 states have call successors, (79), 13 states have call predecessors, (79), 13 states have return successors, (79), 73 states have call predecessors, (79), 79 states have call successors, (79) [2024-10-14 13:48:15,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1380 states to 1380 states and 1852 transitions. [2024-10-14 13:48:15,761 INFO L78 Accepts]: Start accepts. Automaton has 1380 states and 1852 transitions. Word has length 153 [2024-10-14 13:48:15,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:48:15,761 INFO L471 AbstractCegarLoop]: Abstraction has 1380 states and 1852 transitions. [2024-10-14 13:48:15,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:48:15,762 INFO L276 IsEmpty]: Start isEmpty. Operand 1380 states and 1852 transitions. [2024-10-14 13:48:15,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-10-14 13:48:15,763 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:48:15,763 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:48:15,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-10-14 13:48:15,764 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:48:15,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:48:15,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1955646365, now seen corresponding path program 1 times [2024-10-14 13:48:15,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 13:48:15,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007015693] [2024-10-14 13:48:15,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:48:15,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 13:48:15,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:15,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 13:48:15,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:15,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 13:48:15,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:15,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 13:48:15,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:15,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 13:48:15,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:15,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 13:48:15,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:15,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 13:48:15,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:15,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 13:48:15,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:15,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 13:48:15,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:15,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 13:48:15,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:15,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 13:48:15,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:15,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 13:48:15,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:15,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 13:48:15,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:15,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 13:48:15,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:15,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 13:48:15,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:15,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 13:48:15,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:15,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 13:48:15,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:15,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 13:48:15,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:15,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 13:48:15,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:15,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 13:48:15,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:15,846 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-14 13:48:15,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 13:48:15,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007015693] [2024-10-14 13:48:15,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007015693] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:48:15,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:48:15,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 13:48:15,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287351528] [2024-10-14 13:48:15,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:48:15,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 13:48:15,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 13:48:15,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 13:48:15,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 13:48:15,848 INFO L87 Difference]: Start difference. First operand 1380 states and 1852 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:48:15,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:48:15,939 INFO L93 Difference]: Finished difference Result 2767 states and 3719 transitions. [2024-10-14 13:48:15,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 13:48:15,939 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 153 [2024-10-14 13:48:15,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:48:15,944 INFO L225 Difference]: With dead ends: 2767 [2024-10-14 13:48:15,944 INFO L226 Difference]: Without dead ends: 1388 [2024-10-14 13:48:15,946 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 13:48:15,947 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 0 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 13:48:15,947 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 335 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 13:48:15,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1388 states. [2024-10-14 13:48:16,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1388 to 1388. [2024-10-14 13:48:16,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1388 states, 1295 states have (on average 1.3142857142857143) internal successors, (1702), 1301 states have internal predecessors, (1702), 79 states have call successors, (79), 13 states have call predecessors, (79), 13 states have return successors, (79), 73 states have call predecessors, (79), 79 states have call successors, (79) [2024-10-14 13:48:16,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1388 states to 1388 states and 1860 transitions. [2024-10-14 13:48:16,032 INFO L78 Accepts]: Start accepts. Automaton has 1388 states and 1860 transitions. Word has length 153 [2024-10-14 13:48:16,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:48:16,033 INFO L471 AbstractCegarLoop]: Abstraction has 1388 states and 1860 transitions. [2024-10-14 13:48:16,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:48:16,033 INFO L276 IsEmpty]: Start isEmpty. Operand 1388 states and 1860 transitions. [2024-10-14 13:48:16,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-10-14 13:48:16,035 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:48:16,035 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:48:16,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-10-14 13:48:16,035 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:48:16,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:48:16,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1898388063, now seen corresponding path program 1 times [2024-10-14 13:48:16,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 13:48:16,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165198194] [2024-10-14 13:48:16,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:48:16,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 13:48:16,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:16,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 13:48:16,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:16,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 13:48:16,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:16,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 13:48:16,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:16,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 13:48:16,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:16,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 13:48:16,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:16,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 13:48:16,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:16,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 13:48:16,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:16,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 13:48:16,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:16,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 13:48:16,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:16,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 13:48:16,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:16,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 13:48:16,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:16,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 13:48:16,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:16,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 13:48:16,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:16,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 13:48:16,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:16,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 13:48:16,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:16,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 13:48:16,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:16,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 13:48:16,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:16,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 13:48:16,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:16,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 13:48:16,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:16,639 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-14 13:48:16,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 13:48:16,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165198194] [2024-10-14 13:48:16,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165198194] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:48:16,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:48:16,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-14 13:48:16,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393488855] [2024-10-14 13:48:16,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:48:16,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-14 13:48:16,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 13:48:16,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-14 13:48:16,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-10-14 13:48:16,641 INFO L87 Difference]: Start difference. First operand 1388 states and 1860 transitions. Second operand has 11 states, 10 states have (on average 6.1) internal successors, (61), 11 states have internal predecessors, (61), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-10-14 13:48:17,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:48:17,229 INFO L93 Difference]: Finished difference Result 2885 states and 3788 transitions. [2024-10-14 13:48:17,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 13:48:17,230 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.1) internal successors, (61), 11 states have internal predecessors, (61), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 153 [2024-10-14 13:48:17,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:48:17,237 INFO L225 Difference]: With dead ends: 2885 [2024-10-14 13:48:17,237 INFO L226 Difference]: Without dead ends: 2883 [2024-10-14 13:48:17,238 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306 [2024-10-14 13:48:17,238 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 383 mSDsluCounter, 987 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 383 SdHoareTripleChecker+Valid, 1141 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 13:48:17,239 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [383 Valid, 1141 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 13:48:17,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2883 states. [2024-10-14 13:48:17,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2883 to 2584. [2024-10-14 13:48:17,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2584 states, 2411 states have (on average 1.28369970966404) internal successors, (3095), 2425 states have internal predecessors, (3095), 146 states have call successors, (146), 26 states have call predecessors, (146), 26 states have return successors, (146), 132 states have call predecessors, (146), 146 states have call successors, (146) [2024-10-14 13:48:17,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2584 states to 2584 states and 3387 transitions. [2024-10-14 13:48:17,393 INFO L78 Accepts]: Start accepts. Automaton has 2584 states and 3387 transitions. Word has length 153 [2024-10-14 13:48:17,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:48:17,394 INFO L471 AbstractCegarLoop]: Abstraction has 2584 states and 3387 transitions. [2024-10-14 13:48:17,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.1) internal successors, (61), 11 states have internal predecessors, (61), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-10-14 13:48:17,394 INFO L276 IsEmpty]: Start isEmpty. Operand 2584 states and 3387 transitions. [2024-10-14 13:48:17,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-10-14 13:48:17,397 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:48:17,397 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:48:17,397 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-10-14 13:48:17,398 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:48:17,398 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:48:17,398 INFO L85 PathProgramCache]: Analyzing trace with hash -366279036, now seen corresponding path program 1 times [2024-10-14 13:48:17,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 13:48:17,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43178482] [2024-10-14 13:48:17,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:48:17,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 13:48:17,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:18,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 13:48:18,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:18,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 13:48:18,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:18,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 13:48:18,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:18,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 13:48:18,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:18,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 13:48:18,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:18,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 13:48:18,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:18,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 13:48:18,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:18,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 13:48:18,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:18,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 13:48:18,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:18,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 13:48:18,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:18,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 13:48:18,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:18,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 13:48:18,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:18,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 13:48:18,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:18,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 13:48:18,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:18,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 13:48:18,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:18,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 13:48:18,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:18,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 13:48:18,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:18,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 13:48:18,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:18,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 13:48:18,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:18,372 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-14 13:48:18,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 13:48:18,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43178482] [2024-10-14 13:48:18,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43178482] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:48:18,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:48:18,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-14 13:48:18,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910388761] [2024-10-14 13:48:18,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:48:18,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-14 13:48:18,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 13:48:18,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-14 13:48:18,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-10-14 13:48:18,375 INFO L87 Difference]: Start difference. First operand 2584 states and 3387 transitions. Second operand has 13 states, 11 states have (on average 5.636363636363637) internal successors, (62), 12 states have internal predecessors, (62), 6 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 6 states have call successors, (19) [2024-10-14 13:48:19,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:48:19,252 INFO L93 Difference]: Finished difference Result 5776 states and 7539 transitions. [2024-10-14 13:48:19,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-14 13:48:19,252 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 5.636363636363637) internal successors, (62), 12 states have internal predecessors, (62), 6 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 6 states have call successors, (19) Word has length 154 [2024-10-14 13:48:19,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:48:19,259 INFO L225 Difference]: With dead ends: 5776 [2024-10-14 13:48:19,259 INFO L226 Difference]: Without dead ends: 3193 [2024-10-14 13:48:19,263 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2024-10-14 13:48:19,263 INFO L432 NwaCegarLoop]: 227 mSDtfsCounter, 793 mSDsluCounter, 1142 mSDsCounter, 0 mSdLazyCounter, 601 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 793 SdHoareTripleChecker+Valid, 1369 SdHoareTripleChecker+Invalid, 708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-14 13:48:19,263 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [793 Valid, 1369 Invalid, 708 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 601 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-14 13:48:19,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3193 states. [2024-10-14 13:48:19,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3193 to 2950. [2024-10-14 13:48:19,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2950 states, 2738 states have (on average 1.2775748721694669) internal successors, (3498), 2757 states have internal predecessors, (3498), 174 states have call successors, (174), 37 states have call predecessors, (174), 37 states have return successors, (174), 155 states have call predecessors, (174), 174 states have call successors, (174) [2024-10-14 13:48:19,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2950 states to 2950 states and 3846 transitions. [2024-10-14 13:48:19,524 INFO L78 Accepts]: Start accepts. Automaton has 2950 states and 3846 transitions. Word has length 154 [2024-10-14 13:48:19,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:48:19,525 INFO L471 AbstractCegarLoop]: Abstraction has 2950 states and 3846 transitions. [2024-10-14 13:48:19,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 5.636363636363637) internal successors, (62), 12 states have internal predecessors, (62), 6 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 6 states have call successors, (19) [2024-10-14 13:48:19,525 INFO L276 IsEmpty]: Start isEmpty. Operand 2950 states and 3846 transitions. [2024-10-14 13:48:19,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-10-14 13:48:19,529 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:48:19,529 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:48:19,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-10-14 13:48:19,529 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:48:19,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:48:19,530 INFO L85 PathProgramCache]: Analyzing trace with hash 1542688516, now seen corresponding path program 1 times [2024-10-14 13:48:19,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 13:48:19,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673903834] [2024-10-14 13:48:19,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:48:19,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 13:48:19,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:20,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 13:48:20,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:20,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 13:48:20,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:20,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 13:48:20,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:20,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 13:48:20,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:20,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 13:48:20,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:20,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 13:48:20,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:20,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 13:48:20,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:20,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 13:48:20,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:20,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 13:48:20,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:20,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 13:48:20,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:20,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 13:48:20,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:20,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 13:48:20,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:20,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 13:48:20,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:20,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 13:48:20,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:20,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 13:48:20,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:20,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 13:48:20,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:20,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 13:48:20,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:20,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 13:48:20,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:20,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 13:48:20,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:20,092 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-14 13:48:20,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 13:48:20,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673903834] [2024-10-14 13:48:20,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673903834] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:48:20,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:48:20,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-14 13:48:20,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023814452] [2024-10-14 13:48:20,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:48:20,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-14 13:48:20,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 13:48:20,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-14 13:48:20,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-14 13:48:20,093 INFO L87 Difference]: Start difference. First operand 2950 states and 3846 transitions. Second operand has 9 states, 8 states have (on average 7.75) internal successors, (62), 9 states have internal predecessors, (62), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-10-14 13:48:20,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:48:20,671 INFO L93 Difference]: Finished difference Result 6191 states and 8064 transitions. [2024-10-14 13:48:20,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 13:48:20,672 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.75) internal successors, (62), 9 states have internal predecessors, (62), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 154 [2024-10-14 13:48:20,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:48:20,680 INFO L225 Difference]: With dead ends: 6191 [2024-10-14 13:48:20,680 INFO L226 Difference]: Without dead ends: 3254 [2024-10-14 13:48:20,685 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-10-14 13:48:20,686 INFO L432 NwaCegarLoop]: 243 mSDtfsCounter, 357 mSDsluCounter, 926 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 1169 SdHoareTripleChecker+Invalid, 439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 13:48:20,686 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [357 Valid, 1169 Invalid, 439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 13:48:20,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3254 states. [2024-10-14 13:48:20,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3254 to 2653. [2024-10-14 13:48:20,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2653 states, 2486 states have (on average 1.2771520514883348) internal successors, (3175), 2504 states have internal predecessors, (3175), 136 states have call successors, (136), 30 states have call predecessors, (136), 30 states have return successors, (136), 118 states have call predecessors, (136), 136 states have call successors, (136) [2024-10-14 13:48:20,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2653 states to 2653 states and 3447 transitions. [2024-10-14 13:48:20,903 INFO L78 Accepts]: Start accepts. Automaton has 2653 states and 3447 transitions. Word has length 154 [2024-10-14 13:48:20,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:48:20,904 INFO L471 AbstractCegarLoop]: Abstraction has 2653 states and 3447 transitions. [2024-10-14 13:48:20,904 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.75) internal successors, (62), 9 states have internal predecessors, (62), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-10-14 13:48:20,904 INFO L276 IsEmpty]: Start isEmpty. Operand 2653 states and 3447 transitions. [2024-10-14 13:48:20,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-10-14 13:48:20,907 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:48:20,907 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:48:20,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-10-14 13:48:20,908 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:48:20,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:48:20,908 INFO L85 PathProgramCache]: Analyzing trace with hash -1770408547, now seen corresponding path program 1 times [2024-10-14 13:48:20,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 13:48:20,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317234575] [2024-10-14 13:48:20,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:48:20,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 13:48:20,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:21,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 13:48:21,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:21,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 13:48:21,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:21,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 13:48:21,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:21,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 13:48:21,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:21,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 13:48:21,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:21,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 13:48:21,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:21,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 13:48:21,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:21,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 13:48:21,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:21,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 13:48:21,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:21,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 13:48:21,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:21,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 13:48:21,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:21,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 13:48:21,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:21,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 13:48:21,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:21,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 13:48:21,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:21,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 13:48:21,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:21,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 13:48:21,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:21,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 13:48:21,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:21,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 13:48:21,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:21,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 13:48:21,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:21,191 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-14 13:48:21,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 13:48:21,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317234575] [2024-10-14 13:48:21,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317234575] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:48:21,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:48:21,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 13:48:21,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537821503] [2024-10-14 13:48:21,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:48:21,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 13:48:21,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 13:48:21,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 13:48:21,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 13:48:21,192 INFO L87 Difference]: Start difference. First operand 2653 states and 3447 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:48:21,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:48:21,565 INFO L93 Difference]: Finished difference Result 7651 states and 9887 transitions. [2024-10-14 13:48:21,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 13:48:21,566 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 155 [2024-10-14 13:48:21,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:48:21,577 INFO L225 Difference]: With dead ends: 7651 [2024-10-14 13:48:21,577 INFO L226 Difference]: Without dead ends: 4999 [2024-10-14 13:48:21,582 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 13:48:21,583 INFO L432 NwaCegarLoop]: 271 mSDtfsCounter, 96 mSDsluCounter, 590 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 861 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 13:48:21,583 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 861 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 13:48:21,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4999 states. [2024-10-14 13:48:22,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4999 to 4899. [2024-10-14 13:48:22,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4899 states, 4586 states have (on average 1.264718709114697) internal successors, (5800), 4624 states have internal predecessors, (5800), 252 states have call successors, (252), 60 states have call predecessors, (252), 60 states have return successors, (252), 214 states have call predecessors, (252), 252 states have call successors, (252) [2024-10-14 13:48:22,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4899 states to 4899 states and 6304 transitions. [2024-10-14 13:48:22,082 INFO L78 Accepts]: Start accepts. Automaton has 4899 states and 6304 transitions. Word has length 155 [2024-10-14 13:48:22,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:48:22,083 INFO L471 AbstractCegarLoop]: Abstraction has 4899 states and 6304 transitions. [2024-10-14 13:48:22,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:48:22,083 INFO L276 IsEmpty]: Start isEmpty. Operand 4899 states and 6304 transitions. [2024-10-14 13:48:22,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-10-14 13:48:22,087 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:48:22,087 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:48:22,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-10-14 13:48:22,088 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:48:22,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:48:22,088 INFO L85 PathProgramCache]: Analyzing trace with hash 2015085659, now seen corresponding path program 1 times [2024-10-14 13:48:22,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 13:48:22,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708311700] [2024-10-14 13:48:22,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:48:22,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 13:48:22,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:22,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 13:48:22,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:22,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 13:48:22,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:22,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 13:48:22,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:22,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 13:48:22,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:22,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 13:48:22,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:22,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 13:48:22,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:22,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 13:48:22,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:22,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 13:48:22,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:22,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 13:48:22,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:22,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 13:48:22,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:22,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 13:48:22,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:22,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 13:48:22,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:22,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 13:48:22,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:22,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 13:48:22,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:22,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 13:48:22,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:22,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 13:48:22,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:22,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 13:48:22,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:22,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 13:48:22,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:22,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 13:48:22,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:22,330 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-14 13:48:22,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 13:48:22,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708311700] [2024-10-14 13:48:22,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708311700] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:48:22,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:48:22,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 13:48:22,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630562140] [2024-10-14 13:48:22,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:48:22,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 13:48:22,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 13:48:22,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 13:48:22,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 13:48:22,332 INFO L87 Difference]: Start difference. First operand 4899 states and 6304 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:48:23,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:48:23,002 INFO L93 Difference]: Finished difference Result 10984 states and 14100 transitions. [2024-10-14 13:48:23,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 13:48:23,003 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 155 [2024-10-14 13:48:23,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:48:23,021 INFO L225 Difference]: With dead ends: 10984 [2024-10-14 13:48:23,021 INFO L226 Difference]: Without dead ends: 6086 [2024-10-14 13:48:23,027 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 13:48:23,028 INFO L432 NwaCegarLoop]: 275 mSDtfsCounter, 90 mSDsluCounter, 593 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 868 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 13:48:23,028 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 868 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 13:48:23,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6086 states. [2024-10-14 13:48:23,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6086 to 5958. [2024-10-14 13:48:23,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5958 states, 5574 states have (on average 1.2576246860423395) internal successors, (7010), 5622 states have internal predecessors, (7010), 306 states have call successors, (306), 77 states have call predecessors, (306), 77 states have return successors, (306), 258 states have call predecessors, (306), 306 states have call successors, (306) [2024-10-14 13:48:23,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5958 states to 5958 states and 7622 transitions. [2024-10-14 13:48:23,686 INFO L78 Accepts]: Start accepts. Automaton has 5958 states and 7622 transitions. Word has length 155 [2024-10-14 13:48:23,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:48:23,686 INFO L471 AbstractCegarLoop]: Abstraction has 5958 states and 7622 transitions. [2024-10-14 13:48:23,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:48:23,687 INFO L276 IsEmpty]: Start isEmpty. Operand 5958 states and 7622 transitions. [2024-10-14 13:48:23,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-10-14 13:48:23,692 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:48:23,692 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:48:23,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-10-14 13:48:23,693 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:48:23,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:48:23,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1688638498, now seen corresponding path program 1 times [2024-10-14 13:48:23,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 13:48:23,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233719533] [2024-10-14 13:48:23,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:48:23,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 13:48:23,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:23,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 13:48:23,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:23,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 13:48:23,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:23,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 13:48:23,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:23,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 13:48:23,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:23,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 13:48:23,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:23,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 13:48:23,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:23,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 13:48:23,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:23,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 13:48:23,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:23,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 13:48:23,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:23,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 13:48:23,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:23,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 13:48:23,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:23,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 13:48:23,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:23,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 13:48:23,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:23,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 13:48:23,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:23,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 13:48:23,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:23,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 13:48:23,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:23,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 13:48:23,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:23,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 13:48:23,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:23,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 13:48:23,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:23,778 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-14 13:48:23,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 13:48:23,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233719533] [2024-10-14 13:48:23,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233719533] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:48:23,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:48:23,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 13:48:23,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115667154] [2024-10-14 13:48:23,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:48:23,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 13:48:23,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 13:48:23,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 13:48:23,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 13:48:23,780 INFO L87 Difference]: Start difference. First operand 5958 states and 7622 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:48:24,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:48:24,314 INFO L93 Difference]: Finished difference Result 12050 states and 15513 transitions. [2024-10-14 13:48:24,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 13:48:24,314 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 155 [2024-10-14 13:48:24,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:48:24,331 INFO L225 Difference]: With dead ends: 12050 [2024-10-14 13:48:24,331 INFO L226 Difference]: Without dead ends: 6093 [2024-10-14 13:48:24,339 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 13:48:24,339 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 0 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 13:48:24,340 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 335 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 13:48:24,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6093 states. [2024-10-14 13:48:24,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6093 to 6093. [2024-10-14 13:48:24,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6093 states, 5709 states have (on average 1.2515326677176388) internal successors, (7145), 5757 states have internal predecessors, (7145), 306 states have call successors, (306), 77 states have call predecessors, (306), 77 states have return successors, (306), 258 states have call predecessors, (306), 306 states have call successors, (306) [2024-10-14 13:48:24,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6093 states to 6093 states and 7757 transitions. [2024-10-14 13:48:24,902 INFO L78 Accepts]: Start accepts. Automaton has 6093 states and 7757 transitions. Word has length 155 [2024-10-14 13:48:24,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:48:24,902 INFO L471 AbstractCegarLoop]: Abstraction has 6093 states and 7757 transitions. [2024-10-14 13:48:24,902 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:48:24,903 INFO L276 IsEmpty]: Start isEmpty. Operand 6093 states and 7757 transitions. [2024-10-14 13:48:24,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-10-14 13:48:24,907 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:48:24,907 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:48:24,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-10-14 13:48:24,908 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:48:24,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:48:24,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1554624992, now seen corresponding path program 1 times [2024-10-14 13:48:24,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 13:48:24,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713008368] [2024-10-14 13:48:24,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:48:24,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 13:48:24,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:25,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 13:48:25,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:25,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 13:48:25,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:25,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 13:48:25,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:25,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 13:48:25,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:25,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 13:48:25,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:25,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 13:48:25,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:25,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 13:48:25,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:25,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 13:48:25,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:25,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 13:48:25,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:25,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 13:48:25,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:25,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 13:48:25,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:25,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 13:48:25,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:25,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 13:48:25,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:25,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 13:48:25,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:25,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 13:48:25,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:25,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 13:48:25,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:25,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 13:48:25,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:25,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 13:48:25,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:25,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 13:48:25,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:25,150 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-14 13:48:25,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 13:48:25,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713008368] [2024-10-14 13:48:25,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713008368] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:48:25,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:48:25,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 13:48:25,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311913639] [2024-10-14 13:48:25,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:48:25,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 13:48:25,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 13:48:25,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 13:48:25,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 13:48:25,152 INFO L87 Difference]: Start difference. First operand 6093 states and 7757 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:48:25,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:48:25,742 INFO L93 Difference]: Finished difference Result 9873 states and 12592 transitions. [2024-10-14 13:48:25,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 13:48:25,742 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 155 [2024-10-14 13:48:25,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:48:25,757 INFO L225 Difference]: With dead ends: 9873 [2024-10-14 13:48:25,757 INFO L226 Difference]: Without dead ends: 6256 [2024-10-14 13:48:25,764 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-14 13:48:25,765 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 80 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 639 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 13:48:25,765 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 639 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 13:48:25,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6256 states. [2024-10-14 13:48:26,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6256 to 6093. [2024-10-14 13:48:26,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6093 states, 5709 states have (on average 1.2489052373445437) internal successors, (7130), 5757 states have internal predecessors, (7130), 306 states have call successors, (306), 77 states have call predecessors, (306), 77 states have return successors, (306), 258 states have call predecessors, (306), 306 states have call successors, (306) [2024-10-14 13:48:26,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6093 states to 6093 states and 7742 transitions. [2024-10-14 13:48:26,450 INFO L78 Accepts]: Start accepts. Automaton has 6093 states and 7742 transitions. Word has length 155 [2024-10-14 13:48:26,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:48:26,451 INFO L471 AbstractCegarLoop]: Abstraction has 6093 states and 7742 transitions. [2024-10-14 13:48:26,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:48:26,451 INFO L276 IsEmpty]: Start isEmpty. Operand 6093 states and 7742 transitions. [2024-10-14 13:48:26,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-10-14 13:48:26,456 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:48:26,456 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:48:26,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-10-14 13:48:26,456 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:48:26,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:48:26,457 INFO L85 PathProgramCache]: Analyzing trace with hash -2039277726, now seen corresponding path program 1 times [2024-10-14 13:48:26,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 13:48:26,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236221178] [2024-10-14 13:48:26,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:48:26,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 13:48:26,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:26,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 13:48:26,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:26,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 13:48:26,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:26,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 13:48:26,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:26,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 13:48:26,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:26,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 13:48:26,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:26,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 13:48:26,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:26,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 13:48:26,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:26,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 13:48:26,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:26,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 13:48:26,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:26,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 13:48:26,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:26,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 13:48:26,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:26,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 13:48:26,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:26,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 13:48:26,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:26,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 13:48:26,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:26,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 13:48:26,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:26,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 13:48:26,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:26,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 13:48:26,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:26,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 13:48:26,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:26,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 13:48:26,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:26,632 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-14 13:48:26,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 13:48:26,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236221178] [2024-10-14 13:48:26,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236221178] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:48:26,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:48:26,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-14 13:48:26,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410773519] [2024-10-14 13:48:26,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:48:26,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-14 13:48:26,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 13:48:26,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-14 13:48:26,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 13:48:26,633 INFO L87 Difference]: Start difference. First operand 6093 states and 7742 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:48:27,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:48:27,082 INFO L93 Difference]: Finished difference Result 12395 states and 15738 transitions. [2024-10-14 13:48:27,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 13:48:27,082 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 155 [2024-10-14 13:48:27,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:48:27,097 INFO L225 Difference]: With dead ends: 12395 [2024-10-14 13:48:27,097 INFO L226 Difference]: Without dead ends: 6303 [2024-10-14 13:48:27,107 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-14 13:48:27,108 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 0 mSDsluCounter, 815 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 981 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 13:48:27,108 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 981 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 13:48:27,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6303 states. [2024-10-14 13:48:27,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6303 to 6083. [2024-10-14 13:48:27,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6083 states, 5699 states have (on average 1.247587296016845) internal successors, (7110), 5747 states have internal predecessors, (7110), 306 states have call successors, (306), 77 states have call predecessors, (306), 77 states have return successors, (306), 258 states have call predecessors, (306), 306 states have call successors, (306) [2024-10-14 13:48:27,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6083 states to 6083 states and 7722 transitions. [2024-10-14 13:48:27,977 INFO L78 Accepts]: Start accepts. Automaton has 6083 states and 7722 transitions. Word has length 155 [2024-10-14 13:48:27,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 13:48:27,977 INFO L471 AbstractCegarLoop]: Abstraction has 6083 states and 7722 transitions. [2024-10-14 13:48:27,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:48:27,978 INFO L276 IsEmpty]: Start isEmpty. Operand 6083 states and 7722 transitions. [2024-10-14 13:48:27,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-10-14 13:48:27,982 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 13:48:27,983 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 13:48:27,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-10-14 13:48:27,983 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 13:48:27,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 13:48:27,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1941353945, now seen corresponding path program 1 times [2024-10-14 13:48:27,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 13:48:27,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164652736] [2024-10-14 13:48:27,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 13:48:27,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 13:48:28,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:28,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 13:48:28,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:28,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-14 13:48:28,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:28,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-14 13:48:28,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:28,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-14 13:48:28,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:28,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-14 13:48:28,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:28,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-14 13:48:28,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:28,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-14 13:48:28,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:28,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-14 13:48:28,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:28,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-14 13:48:28,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:28,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-14 13:48:28,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:28,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 13:48:28,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:28,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 13:48:28,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:28,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-14 13:48:28,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:28,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-14 13:48:28,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:28,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 13:48:28,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:28,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 13:48:28,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:28,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 13:48:28,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:28,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-14 13:48:28,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:28,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-14 13:48:28,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 13:48:28,193 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-14 13:48:28,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 13:48:28,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164652736] [2024-10-14 13:48:28,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164652736] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 13:48:28,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 13:48:28,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 13:48:28,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558874273] [2024-10-14 13:48:28,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 13:48:28,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 13:48:28,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 13:48:28,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 13:48:28,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 13:48:28,195 INFO L87 Difference]: Start difference. First operand 6083 states and 7722 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-14 13:48:28,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 13:48:28,728 INFO L93 Difference]: Finished difference Result 12030 states and 15173 transitions. [2024-10-14 13:48:28,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 13:48:28,729 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 155 [2024-10-14 13:48:28,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 13:48:28,743 INFO L225 Difference]: With dead ends: 12030 [2024-10-14 13:48:28,743 INFO L226 Difference]: Without dead ends: 5948 [2024-10-14 13:48:28,752 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 13:48:28,753 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 1 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 13:48:28,753 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 492 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 13:48:28,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5948 states.