./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-56.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_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 ddaccc1a0ddb0072edffeef8ad9576acf619c322d8f731037fda7dc2530a10f9 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 09:48:40,859 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 09:48:40,912 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 09:48:40,917 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 09:48:40,918 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 09:48:40,942 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 09:48:40,943 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 09:48:40,943 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 09:48:40,944 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 09:48:40,945 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 09:48:40,945 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 09:48:40,945 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 09:48:40,946 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 09:48:40,947 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 09:48:40,948 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 09:48:40,948 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 09:48:40,948 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 09:48:40,948 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 09:48:40,948 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 09:48:40,949 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 09:48:40,949 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 09:48:40,952 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 09:48:40,952 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 09:48:40,953 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 09:48:40,953 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 09:48:40,953 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 09:48:40,953 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 09:48:40,965 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 09:48:40,965 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 09:48:40,965 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 09:48:40,965 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 09:48:40,966 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 09:48:40,966 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 09:48:40,966 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 09:48:40,966 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 09:48:40,966 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 09:48:40,966 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 09:48:40,966 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 09:48:40,967 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 09:48:40,967 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 09:48:40,967 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 09:48:40,968 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 09:48:40,968 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ddaccc1a0ddb0072edffeef8ad9576acf619c322d8f731037fda7dc2530a10f9 [2024-11-10 09:48:41,206 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 09:48:41,229 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 09:48:41,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 09:48:41,233 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 09:48:41,233 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 09:48:41,234 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-56.i [2024-11-10 09:48:42,449 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 09:48:42,626 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 09:48:42,627 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-56.i [2024-11-10 09:48:42,636 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5bee4dec/c8758f01688c4eddb92da0aca68750ac/FLAG76d34fdd5 [2024-11-10 09:48:43,001 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5bee4dec/c8758f01688c4eddb92da0aca68750ac [2024-11-10 09:48:43,003 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 09:48:43,004 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 09:48:43,005 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 09:48:43,005 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 09:48:43,020 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 09:48:43,023 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:48:43" (1/1) ... [2024-11-10 09:48:43,023 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16d7e21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:48:43, skipping insertion in model container [2024-11-10 09:48:43,024 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:48:43" (1/1) ... [2024-11-10 09:48:43,041 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 09:48:43,181 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-56.i[916,929] [2024-11-10 09:48:43,253 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 09:48:43,261 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 09:48:43,269 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-56.i[916,929] [2024-11-10 09:48:43,311 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 09:48:43,332 INFO L204 MainTranslator]: Completed translation [2024-11-10 09:48:43,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:48:43 WrapperNode [2024-11-10 09:48:43,333 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 09:48:43,334 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 09:48:43,334 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 09:48:43,334 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 09:48:43,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:48:43" (1/1) ... [2024-11-10 09:48:43,350 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:48:43" (1/1) ... [2024-11-10 09:48:43,390 INFO L138 Inliner]: procedures = 30, calls = 178, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 570 [2024-11-10 09:48:43,390 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 09:48:43,391 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 09:48:43,391 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 09:48:43,391 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 09:48:43,399 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:48:43" (1/1) ... [2024-11-10 09:48:43,399 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:48:43" (1/1) ... [2024-11-10 09:48:43,407 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:48:43" (1/1) ... [2024-11-10 09:48:43,413 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-10 09:48:43,413 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:48:43" (1/1) ... [2024-11-10 09:48:43,413 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:48:43" (1/1) ... [2024-11-10 09:48:43,427 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:48:43" (1/1) ... [2024-11-10 09:48:43,428 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:48:43" (1/1) ... [2024-11-10 09:48:43,430 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:48:43" (1/1) ... [2024-11-10 09:48:43,432 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:48:43" (1/1) ... [2024-11-10 09:48:43,436 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 09:48:43,436 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 09:48:43,437 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 09:48:43,437 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 09:48:43,437 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:48:43" (1/1) ... [2024-11-10 09:48:43,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 09:48:43,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 09:48:43,483 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 09:48:43,486 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 09:48:43,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 09:48:43,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-10 09:48:43,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-10 09:48:43,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-10 09:48:43,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-10 09:48:43,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-10 09:48:43,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-10 09:48:43,523 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 09:48:43,523 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 09:48:43,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-10 09:48:43,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 09:48:43,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 09:48:43,635 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 09:48:43,637 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 09:48:44,128 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L125: havoc property_#t~mem90#1;havoc property_#t~bitwise91#1;havoc property_#t~ite119#1;havoc property_#t~mem107#1;havoc property_#t~mem98#1;havoc property_#t~mem97#1;havoc property_#t~mem92#1;havoc property_#t~mem93#1;havoc property_#t~ite96#1;havoc property_#t~mem94#1;havoc property_#t~mem95#1;havoc property_#t~ite106#1;havoc property_#t~mem99#1;havoc property_#t~mem105#1;havoc property_#t~mem100#1;havoc property_#t~mem101#1;havoc property_#t~ite104#1;havoc property_#t~mem102#1;havoc property_#t~mem103#1;havoc property_#t~mem118#1;havoc property_#t~mem108#1;havoc property_#t~mem109#1;havoc property_#t~ite112#1;havoc property_#t~mem110#1;havoc property_#t~mem111#1;havoc property_#t~mem113#1;havoc property_#t~mem114#1;havoc property_#t~ite117#1;havoc property_#t~mem115#1;havoc property_#t~mem116#1;havoc property_#t~mem120#1;havoc property_#t~ite130#1;havoc property_#t~mem121#1;havoc property_#t~mem122#1;havoc property_#t~short123#1;havoc property_#t~ite129#1;havoc property_#t~mem124#1;havoc property_#t~mem125#1;havoc property_#t~ite128#1;havoc property_#t~mem127#1;havoc property_#t~mem126#1;havoc property_#t~short131#1;havoc property_#t~mem132#1;havoc property_#t~mem133#1;havoc property_#t~mem134#1;havoc property_#t~ite137#1;havoc property_#t~mem136#1;havoc property_#t~mem135#1;havoc property_#t~short138#1;havoc property_#t~mem139#1;havoc property_#t~mem140#1;havoc property_#t~short141#1;havoc property_#t~ite157#1;havoc property_#t~mem145#1;havoc property_#t~mem142#1;havoc property_#t~mem143#1;havoc property_#t~bitwise144#1;havoc property_#t~ite154#1;havoc property_#t~mem146#1;havoc property_#t~mem147#1;havoc property_#t~ite151#1;havoc property_#t~mem149#1;havoc property_#t~mem148#1;havoc property_#t~mem150#1;havoc property_#t~mem153#1;havoc property_#t~mem152#1;havoc property_#t~mem156#1;havoc property_#t~mem155#1;havoc property_#t~short158#1; [2024-11-10 09:48:44,156 INFO L? ?]: Removed 158 outVars from TransFormulas that were not future-live. [2024-11-10 09:48:44,157 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 09:48:44,177 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 09:48:44,177 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 09:48:44,177 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:48:44 BoogieIcfgContainer [2024-11-10 09:48:44,177 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 09:48:44,179 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 09:48:44,179 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 09:48:44,183 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 09:48:44,183 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 09:48:43" (1/3) ... [2024-11-10 09:48:44,183 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aeee06e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:48:44, skipping insertion in model container [2024-11-10 09:48:44,184 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:48:43" (2/3) ... [2024-11-10 09:48:44,184 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6aeee06e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:48:44, skipping insertion in model container [2024-11-10 09:48:44,185 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:48:44" (3/3) ... [2024-11-10 09:48:44,185 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-56.i [2024-11-10 09:48:44,197 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 09:48:44,198 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 09:48:44,246 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 09:48:44,251 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;@3139b0fe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 09:48:44,251 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 09:48:44,254 INFO L276 IsEmpty]: Start isEmpty. Operand has 129 states, 107 states have (on average 1.4205607476635513) internal successors, (152), 108 states have internal predecessors, (152), 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) [2024-11-10 09:48:44,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-10 09:48:44,266 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:48:44,267 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] [2024-11-10 09:48:44,267 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:48:44,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:48:44,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1593093983, now seen corresponding path program 1 times [2024-11-10 09:48:44,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:48:44,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543288208] [2024-11-10 09:48:44,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:48:44,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:48:44,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:44,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:48:44,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:44,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:48:44,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:44,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:48:44,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:44,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:48:44,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:44,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:48:44,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:44,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:48:44,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:44,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:48:44,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:44,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:48:44,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:44,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:48:44,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:44,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:48:44,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:44,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:48:44,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:44,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:48:44,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:44,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:48:44,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:44,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:48:44,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:44,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 09:48:44,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:44,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 09:48:44,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:44,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 09:48:44,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:44,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 09:48:44,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:44,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 09:48:44,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:44,677 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:48:44,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:48:44,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543288208] [2024-11-10 09:48:44,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543288208] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:48:44,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:48:44,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 09:48:44,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829505343] [2024-11-10 09:48:44,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:48:44,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 09:48:44,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:48:44,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 09:48:44,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 09:48:44,705 INFO L87 Difference]: Start difference. First operand has 129 states, 107 states have (on average 1.4205607476635513) internal successors, (152), 108 states have internal predecessors, (152), 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 30.5) internal successors, (61), 2 states have internal predecessors, (61), 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) [2024-11-10 09:48:44,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:48:44,751 INFO L93 Difference]: Finished difference Result 250 states and 392 transitions. [2024-11-10 09:48:44,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 09:48:44,754 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 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 153 [2024-11-10 09:48:44,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:48:44,763 INFO L225 Difference]: With dead ends: 250 [2024-11-10 09:48:44,763 INFO L226 Difference]: Without dead ends: 124 [2024-11-10 09:48:44,767 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 [2024-11-10 09:48:44,769 INFO L432 NwaCegarLoop]: 178 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, 178 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 [2024-11-10 09:48:44,770 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 178 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 09:48:44,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-10 09:48:44,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2024-11-10 09:48:44,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 103 states have (on average 1.3980582524271845) internal successors, (144), 103 states have internal predecessors, (144), 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) [2024-11-10 09:48:44,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 182 transitions. [2024-11-10 09:48:44,822 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 182 transitions. Word has length 153 [2024-11-10 09:48:44,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:48:44,823 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 182 transitions. [2024-11-10 09:48:44,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 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) [2024-11-10 09:48:44,823 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 182 transitions. [2024-11-10 09:48:44,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-10 09:48:44,826 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:48:44,826 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] [2024-11-10 09:48:44,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 09:48:44,827 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:48:44,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:48:44,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1395570744, now seen corresponding path program 1 times [2024-11-10 09:48:44,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:48:44,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440504692] [2024-11-10 09:48:44,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:48:44,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:48:45,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:46,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:48:46,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:46,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:48:46,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:46,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:48:46,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:46,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:48:46,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:46,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:48:46,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:46,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:48:46,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:46,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:48:46,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:46,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:48:46,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:46,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:48:46,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:46,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:48:46,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:46,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:48:46,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:46,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:48:46,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:46,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:48:46,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:46,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:48:46,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:46,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 09:48:46,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:46,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 09:48:46,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:46,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 09:48:46,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:46,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 09:48:46,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:46,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 09:48:46,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:46,518 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:48:46,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:48:46,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440504692] [2024-11-10 09:48:46,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440504692] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:48:46,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:48:46,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-10 09:48:46,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575013540] [2024-11-10 09:48:46,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:48:46,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-10 09:48:46,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:48:46,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-10 09:48:46,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-10 09:48:46,526 INFO L87 Difference]: Start difference. First operand 124 states and 182 transitions. Second operand has 13 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 13 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) [2024-11-10 09:48:48,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:48:48,228 INFO L93 Difference]: Finished difference Result 679 states and 1008 transitions. [2024-11-10 09:48:48,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-10 09:48:48,229 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 13 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 [2024-11-10 09:48:48,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:48:48,233 INFO L225 Difference]: With dead ends: 679 [2024-11-10 09:48:48,236 INFO L226 Difference]: Without dead ends: 558 [2024-11-10 09:48:48,237 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=139, Invalid=563, Unknown=0, NotChecked=0, Total=702 [2024-11-10 09:48:48,238 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 665 mSDsluCounter, 1439 mSDsCounter, 0 mSdLazyCounter, 1995 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 665 SdHoareTripleChecker+Valid, 1608 SdHoareTripleChecker+Invalid, 2098 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 1995 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-10 09:48:48,241 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [665 Valid, 1608 Invalid, 2098 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 1995 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-10 09:48:48,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2024-11-10 09:48:48,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 290. [2024-11-10 09:48:48,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 249 states have (on average 1.4497991967871486) internal successors, (361), 249 states have internal predecessors, (361), 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) [2024-11-10 09:48:48,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 437 transitions. [2024-11-10 09:48:48,289 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 437 transitions. Word has length 153 [2024-11-10 09:48:48,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:48:48,290 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 437 transitions. [2024-11-10 09:48:48,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 13 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) [2024-11-10 09:48:48,290 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 437 transitions. [2024-11-10 09:48:48,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-10 09:48:48,295 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:48:48,295 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, 1, 1, 1, 1] [2024-11-10 09:48:48,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 09:48:48,295 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:48:48,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:48:48,296 INFO L85 PathProgramCache]: Analyzing trace with hash -28083407, now seen corresponding path program 1 times [2024-11-10 09:48:48,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:48:48,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436954945] [2024-11-10 09:48:48,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:48:48,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:48:48,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:48:48,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:48:48,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:48:48,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:48:48,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:48:48,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:48:48,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:48:48,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:48:48,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:48:48,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:48:48,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:48:48,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:48:48,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:48:48,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:48:48,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 09:48:48,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 09:48:48,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 09:48:48,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 09:48:48,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 09:48:48,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,430 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:48:48,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:48:48,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436954945] [2024-11-10 09:48:48,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436954945] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:48:48,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:48:48,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 09:48:48,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825759758] [2024-11-10 09:48:48,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:48:48,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 09:48:48,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:48:48,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 09:48:48,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 09:48:48,432 INFO L87 Difference]: Start difference. First operand 290 states and 437 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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) [2024-11-10 09:48:48,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:48:48,500 INFO L93 Difference]: Finished difference Result 578 states and 873 transitions. [2024-11-10 09:48:48,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 09:48:48,501 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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 154 [2024-11-10 09:48:48,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:48:48,502 INFO L225 Difference]: With dead ends: 578 [2024-11-10 09:48:48,502 INFO L226 Difference]: Without dead ends: 291 [2024-11-10 09:48:48,503 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 [2024-11-10 09:48:48,504 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 0 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 09:48:48,504 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 343 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 09:48:48,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2024-11-10 09:48:48,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 291. [2024-11-10 09:48:48,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 250 states have (on average 1.444) internal successors, (361), 250 states have internal predecessors, (361), 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) [2024-11-10 09:48:48,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 437 transitions. [2024-11-10 09:48:48,517 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 437 transitions. Word has length 154 [2024-11-10 09:48:48,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:48:48,517 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 437 transitions. [2024-11-10 09:48:48,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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) [2024-11-10 09:48:48,518 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 437 transitions. [2024-11-10 09:48:48,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-10 09:48:48,519 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:48:48,519 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] [2024-11-10 09:48:48,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 09:48:48,520 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:48:48,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:48:48,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1194614058, now seen corresponding path program 1 times [2024-11-10 09:48:48,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:48:48,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178324016] [2024-11-10 09:48:48,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:48:48,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:48:48,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:48:48,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:48:48,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:48:48,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:48:48,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:48:48,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:48:48,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:48:48,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:48:48,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:48:48,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:48:48,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:48:48,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:48:48,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:48:48,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:48:48,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 09:48:48,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 09:48:48,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 09:48:48,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 09:48:48,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 09:48:48,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,627 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:48:48,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:48:48,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178324016] [2024-11-10 09:48:48,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178324016] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:48:48,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:48:48,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 09:48:48,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208316152] [2024-11-10 09:48:48,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:48:48,628 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 09:48:48,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:48:48,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 09:48:48,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 09:48:48,629 INFO L87 Difference]: Start difference. First operand 291 states and 437 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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) [2024-11-10 09:48:48,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:48:48,692 INFO L93 Difference]: Finished difference Result 583 states and 879 transitions. [2024-11-10 09:48:48,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 09:48:48,693 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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 154 [2024-11-10 09:48:48,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:48:48,695 INFO L225 Difference]: With dead ends: 583 [2024-11-10 09:48:48,695 INFO L226 Difference]: Without dead ends: 295 [2024-11-10 09:48:48,695 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 [2024-11-10 09:48:48,696 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 0 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 09:48:48,696 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 342 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 09:48:48,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2024-11-10 09:48:48,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 295. [2024-11-10 09:48:48,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 254 states have (on average 1.437007874015748) internal successors, (365), 254 states have internal predecessors, (365), 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) [2024-11-10 09:48:48,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 441 transitions. [2024-11-10 09:48:48,716 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 441 transitions. Word has length 154 [2024-11-10 09:48:48,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:48:48,717 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 441 transitions. [2024-11-10 09:48:48,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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) [2024-11-10 09:48:48,718 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 441 transitions. [2024-11-10 09:48:48,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-10 09:48:48,720 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:48:48,720 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] [2024-11-10 09:48:48,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 09:48:48,720 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:48:48,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:48:48,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1495003383, now seen corresponding path program 1 times [2024-11-10 09:48:48,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:48:48,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101681631] [2024-11-10 09:48:48,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:48:48,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:48:48,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:48:48,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:48:48,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:48:48,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:48:48,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:48:48,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:48:48,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:48:48,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:48:48,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:48:48,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:48:48,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:48:48,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:48:48,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:48:48,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:48:48,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 09:48:48,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 09:48:48,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 09:48:48,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 09:48:48,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 09:48:48,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:48,809 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:48:48,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:48:48,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101681631] [2024-11-10 09:48:48,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101681631] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:48:48,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:48:48,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 09:48:48,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699094699] [2024-11-10 09:48:48,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:48:48,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 09:48:48,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:48:48,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 09:48:48,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 09:48:48,810 INFO L87 Difference]: Start difference. First operand 295 states and 441 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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) [2024-11-10 09:48:48,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:48:48,855 INFO L93 Difference]: Finished difference Result 585 states and 875 transitions. [2024-11-10 09:48:48,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 09:48:48,856 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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 154 [2024-11-10 09:48:48,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:48:48,858 INFO L225 Difference]: With dead ends: 585 [2024-11-10 09:48:48,858 INFO L226 Difference]: Without dead ends: 293 [2024-11-10 09:48:48,858 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 [2024-11-10 09:48:48,859 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 0 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 09:48:48,859 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 343 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 09:48:48,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-11-10 09:48:48,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 293. [2024-11-10 09:48:48,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 252 states have (on average 1.4246031746031746) internal successors, (359), 252 states have internal predecessors, (359), 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) [2024-11-10 09:48:48,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 435 transitions. [2024-11-10 09:48:48,872 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 435 transitions. Word has length 154 [2024-11-10 09:48:48,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:48:48,873 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 435 transitions. [2024-11-10 09:48:48,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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) [2024-11-10 09:48:48,873 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 435 transitions. [2024-11-10 09:48:48,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-10 09:48:48,875 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:48:48,875 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] [2024-11-10 09:48:48,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 09:48:48,875 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:48:48,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:48:48,876 INFO L85 PathProgramCache]: Analyzing trace with hash -942802349, now seen corresponding path program 1 times [2024-11-10 09:48:48,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:48:48,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849679842] [2024-11-10 09:48:48,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:48:48,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:48:48,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:49,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:48:49,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:49,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:48:49,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:49,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:48:49,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:49,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:48:49,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:49,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:48:49,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:49,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:48:49,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:49,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:48:49,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:49,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:48:49,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:49,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:48:49,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:49,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:48:49,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:49,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:48:49,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:49,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:48:49,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:49,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:48:49,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:49,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:48:49,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:49,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 09:48:49,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:49,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 09:48:49,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:49,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 09:48:49,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:49,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 09:48:49,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:49,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 09:48:49,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:49,065 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:48:49,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:48:49,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849679842] [2024-11-10 09:48:49,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849679842] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:48:49,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:48:49,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 09:48:49,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509918145] [2024-11-10 09:48:49,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:48:49,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 09:48:49,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:48:49,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 09:48:49,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 09:48:49,067 INFO L87 Difference]: Start difference. First operand 293 states and 435 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) [2024-11-10 09:48:49,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:48:49,100 INFO L93 Difference]: Finished difference Result 589 states and 875 transitions. [2024-11-10 09:48:49,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 09:48:49,102 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 [2024-11-10 09:48:49,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:48:49,103 INFO L225 Difference]: With dead ends: 589 [2024-11-10 09:48:49,103 INFO L226 Difference]: Without dead ends: 299 [2024-11-10 09:48:49,104 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 [2024-11-10 09:48:49,104 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 0 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 09:48:49,105 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 683 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 09:48:49,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2024-11-10 09:48:49,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 299. [2024-11-10 09:48:49,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 258 states have (on average 1.4147286821705427) internal successors, (365), 258 states have internal predecessors, (365), 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) [2024-11-10 09:48:49,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 441 transitions. [2024-11-10 09:48:49,114 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 441 transitions. Word has length 155 [2024-11-10 09:48:49,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:48:49,115 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 441 transitions. [2024-11-10 09:48:49,115 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) [2024-11-10 09:48:49,115 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 441 transitions. [2024-11-10 09:48:49,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-10 09:48:49,116 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:48:49,116 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] [2024-11-10 09:48:49,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 09:48:49,116 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:48:49,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:48:49,116 INFO L85 PathProgramCache]: Analyzing trace with hash -376280693, now seen corresponding path program 1 times [2024-11-10 09:48:49,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:48:49,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497932211] [2024-11-10 09:48:49,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:48:49,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:48:49,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:50,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:48:50,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:50,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:48:50,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:50,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:48:50,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:50,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:48:50,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:50,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:48:50,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:50,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:48:50,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:50,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:48:50,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:50,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:48:50,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:50,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:48:50,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:50,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:48:50,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:50,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:48:50,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:50,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:48:50,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:50,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:48:50,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:50,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:48:50,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:50,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 09:48:50,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:50,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 09:48:50,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:50,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 09:48:50,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:50,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 09:48:50,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:50,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 09:48:50,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:50,818 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:48:50,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:48:50,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497932211] [2024-11-10 09:48:50,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497932211] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:48:50,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:48:50,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 09:48:50,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624181502] [2024-11-10 09:48:50,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:48:50,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 09:48:50,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:48:50,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 09:48:50,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-10 09:48:50,821 INFO L87 Difference]: Start difference. First operand 299 states and 441 transitions. Second operand has 9 states, 7 states have (on average 9.0) internal successors, (63), 9 states have internal predecessors, (63), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-10 09:48:51,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:48:51,626 INFO L93 Difference]: Finished difference Result 754 states and 1117 transitions. [2024-11-10 09:48:51,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 09:48:51,627 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 9.0) internal successors, (63), 9 states have internal predecessors, (63), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) Word has length 155 [2024-11-10 09:48:51,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:48:51,629 INFO L225 Difference]: With dead ends: 754 [2024-11-10 09:48:51,629 INFO L226 Difference]: Without dead ends: 458 [2024-11-10 09:48:51,630 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-10 09:48:51,630 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 80 mSDsluCounter, 631 mSDsCounter, 0 mSdLazyCounter, 690 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 757 SdHoareTripleChecker+Invalid, 695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 09:48:51,630 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 757 Invalid, 695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 690 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 09:48:51,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2024-11-10 09:48:51,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 364. [2024-11-10 09:48:51,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 364 states, 323 states have (on average 1.4551083591331269) internal successors, (470), 323 states have internal predecessors, (470), 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) [2024-11-10 09:48:51,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 546 transitions. [2024-11-10 09:48:51,645 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 546 transitions. Word has length 155 [2024-11-10 09:48:51,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:48:51,645 INFO L471 AbstractCegarLoop]: Abstraction has 364 states and 546 transitions. [2024-11-10 09:48:51,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 9.0) internal successors, (63), 9 states have internal predecessors, (63), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-10 09:48:51,646 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 546 transitions. [2024-11-10 09:48:51,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-10 09:48:51,647 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:48:51,647 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] [2024-11-10 09:48:51,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 09:48:51,647 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:48:51,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:48:51,648 INFO L85 PathProgramCache]: Analyzing trace with hash -886814870, now seen corresponding path program 1 times [2024-11-10 09:48:51,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:48:51,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269645702] [2024-11-10 09:48:51,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:48:51,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:48:51,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:53,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:48:53,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:53,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:48:53,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:53,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:48:53,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:53,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:48:53,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:53,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:48:53,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:53,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:48:53,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:53,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:48:53,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:53,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:48:53,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:53,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:48:53,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:53,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:48:53,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:53,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:48:53,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:53,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:48:53,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:53,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:48:53,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:53,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:48:53,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:53,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 09:48:53,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:53,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 09:48:53,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:53,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 09:48:53,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:53,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 09:48:53,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:53,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 09:48:53,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:53,741 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:48:53,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:48:53,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269645702] [2024-11-10 09:48:53,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269645702] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:48:53,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:48:53,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-10 09:48:53,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428043448] [2024-11-10 09:48:53,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:48:53,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-10 09:48:53,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:48:53,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-10 09:48:53,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2024-11-10 09:48:53,743 INFO L87 Difference]: Start difference. First operand 364 states and 546 transitions. Second operand has 15 states, 12 states have (on average 5.25) internal successors, (63), 15 states have internal predecessors, (63), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-10 09:48:55,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:48:55,826 INFO L93 Difference]: Finished difference Result 1059 states and 1576 transitions. [2024-11-10 09:48:55,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-10 09:48:55,826 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 12 states have (on average 5.25) internal successors, (63), 15 states have internal predecessors, (63), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 4 states have call successors, (19) Word has length 155 [2024-11-10 09:48:55,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:48:55,830 INFO L225 Difference]: With dead ends: 1059 [2024-11-10 09:48:55,830 INFO L226 Difference]: Without dead ends: 698 [2024-11-10 09:48:55,831 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=163, Invalid=767, Unknown=0, NotChecked=0, Total=930 [2024-11-10 09:48:55,831 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 844 mSDsluCounter, 1283 mSDsCounter, 0 mSdLazyCounter, 2093 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 844 SdHoareTripleChecker+Valid, 1411 SdHoareTripleChecker+Invalid, 2207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 2093 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-10 09:48:55,832 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [844 Valid, 1411 Invalid, 2207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 2093 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-10 09:48:55,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2024-11-10 09:48:55,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 411. [2024-11-10 09:48:55,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 370 states have (on average 1.4783783783783784) internal successors, (547), 370 states have internal predecessors, (547), 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) [2024-11-10 09:48:55,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 623 transitions. [2024-11-10 09:48:55,850 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 623 transitions. Word has length 155 [2024-11-10 09:48:55,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:48:55,851 INFO L471 AbstractCegarLoop]: Abstraction has 411 states and 623 transitions. [2024-11-10 09:48:55,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 12 states have (on average 5.25) internal successors, (63), 15 states have internal predecessors, (63), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-10 09:48:55,851 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 623 transitions. [2024-11-10 09:48:55,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-10 09:48:55,852 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:48:55,852 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] [2024-11-10 09:48:55,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 09:48:55,852 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:48:55,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:48:55,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1392373495, now seen corresponding path program 1 times [2024-11-10 09:48:55,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:48:55,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228043038] [2024-11-10 09:48:55,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:48:55,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:48:55,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:57,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:48:57,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:57,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:48:57,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:57,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:48:57,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:57,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:48:57,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:57,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:48:57,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:57,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:48:57,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:57,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:48:57,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:57,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:48:57,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:57,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:48:57,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:57,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:48:57,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:57,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:48:57,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:57,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:48:57,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:57,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:48:57,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:57,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:48:57,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:57,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 09:48:57,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:57,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 09:48:57,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:57,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 09:48:57,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:57,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 09:48:57,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:57,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 09:48:57,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:57,322 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:48:57,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:48:57,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228043038] [2024-11-10 09:48:57,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228043038] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:48:57,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:48:57,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-10 09:48:57,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649789052] [2024-11-10 09:48:57,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:48:57,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 09:48:57,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:48:57,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 09:48:57,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-10 09:48:57,324 INFO L87 Difference]: Start difference. First operand 411 states and 623 transitions. Second operand has 12 states, 10 states have (on average 6.3) internal successors, (63), 12 states have internal predecessors, (63), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-10 09:48:58,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:48:58,782 INFO L93 Difference]: Finished difference Result 1112 states and 1656 transitions. [2024-11-10 09:48:58,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 09:48:58,783 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 6.3) internal successors, (63), 12 states have internal predecessors, (63), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) Word has length 155 [2024-11-10 09:48:58,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:48:58,786 INFO L225 Difference]: With dead ends: 1112 [2024-11-10 09:48:58,787 INFO L226 Difference]: Without dead ends: 704 [2024-11-10 09:48:58,790 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=111, Invalid=395, Unknown=0, NotChecked=0, Total=506 [2024-11-10 09:48:58,790 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 759 mSDsluCounter, 1004 mSDsCounter, 0 mSdLazyCounter, 1669 mSolverCounterSat, 133 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 759 SdHoareTripleChecker+Valid, 1135 SdHoareTripleChecker+Invalid, 1802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 133 IncrementalHoareTripleChecker+Valid, 1669 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-10 09:48:58,791 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [759 Valid, 1135 Invalid, 1802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [133 Valid, 1669 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-10 09:48:58,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 704 states. [2024-11-10 09:48:58,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 704 to 461. [2024-11-10 09:48:58,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 461 states, 415 states have (on average 1.4506024096385541) internal successors, (602), 416 states have internal predecessors, (602), 42 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (42), 41 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-10 09:48:58,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 686 transitions. [2024-11-10 09:48:58,805 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 686 transitions. Word has length 155 [2024-11-10 09:48:58,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:48:58,805 INFO L471 AbstractCegarLoop]: Abstraction has 461 states and 686 transitions. [2024-11-10 09:48:58,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 6.3) internal successors, (63), 12 states have internal predecessors, (63), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-10 09:48:58,805 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 686 transitions. [2024-11-10 09:48:58,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-10 09:48:58,807 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:48:58,807 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, 1, 1, 1, 1, 1] [2024-11-10 09:48:58,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 09:48:58,807 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:48:58,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:48:58,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1438733532, now seen corresponding path program 1 times [2024-11-10 09:48:58,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:48:58,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857165396] [2024-11-10 09:48:58,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:48:58,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:48:58,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:59,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:48:59,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:59,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:48:59,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:59,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:48:59,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:59,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:48:59,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:59,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:48:59,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:59,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:48:59,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:59,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:48:59,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:59,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:48:59,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:59,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:48:59,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:59,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:48:59,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:59,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:48:59,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:59,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:48:59,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:59,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:48:59,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:59,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:48:59,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:59,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 09:48:59,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:59,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 09:48:59,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:59,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 09:48:59,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:59,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 09:48:59,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:59,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 09:48:59,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:48:59,031 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:48:59,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:48:59,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857165396] [2024-11-10 09:48:59,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857165396] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:48:59,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:48:59,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 09:48:59,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271948560] [2024-11-10 09:48:59,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:48:59,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 09:48:59,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:48:59,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 09:48:59,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 09:48:59,033 INFO L87 Difference]: Start difference. First operand 461 states and 686 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) [2024-11-10 09:48:59,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:48:59,321 INFO L93 Difference]: Finished difference Result 1014 states and 1510 transitions. [2024-11-10 09:48:59,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 09:48:59,322 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 [2024-11-10 09:48:59,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:48:59,325 INFO L225 Difference]: With dead ends: 1014 [2024-11-10 09:48:59,325 INFO L226 Difference]: Without dead ends: 556 [2024-11-10 09:48:59,326 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:48:59,326 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 76 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 09:48:59,326 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 432 Invalid, 287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 09:48:59,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2024-11-10 09:48:59,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 475. [2024-11-10 09:48:59,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 475 states, 429 states have (on average 1.4452214452214451) internal successors, (620), 430 states have internal predecessors, (620), 42 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (42), 41 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-10 09:48:59,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 704 transitions. [2024-11-10 09:48:59,338 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 704 transitions. Word has length 155 [2024-11-10 09:48:59,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:48:59,339 INFO L471 AbstractCegarLoop]: Abstraction has 475 states and 704 transitions. [2024-11-10 09:48:59,339 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) [2024-11-10 09:48:59,339 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 704 transitions. [2024-11-10 09:48:59,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-10 09:48:59,341 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:48:59,341 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] [2024-11-10 09:48:59,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 09:48:59,341 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:48:59,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:48:59,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1648511579, now seen corresponding path program 1 times [2024-11-10 09:48:59,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:48:59,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080854728] [2024-11-10 09:48:59,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:48:59,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:48:59,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:01,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:49:01,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:01,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:49:01,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:01,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:49:01,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:01,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:49:01,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:01,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:49:01,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:01,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:49:01,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:01,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:49:01,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:01,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:49:01,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:01,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:49:01,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:01,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:49:01,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:01,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:49:01,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:01,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:49:01,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:01,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:49:01,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:01,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:49:01,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:01,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 09:49:01,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:01,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 09:49:01,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:01,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 09:49:01,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:01,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 09:49:01,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:01,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 09:49:01,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:01,139 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:49:01,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:49:01,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080854728] [2024-11-10 09:49:01,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080854728] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:49:01,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:49:01,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-10 09:49:01,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736447773] [2024-11-10 09:49:01,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:49:01,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 09:49:01,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:49:01,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 09:49:01,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2024-11-10 09:49:01,141 INFO L87 Difference]: Start difference. First operand 475 states and 704 transitions. Second operand has 14 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 14 states have internal predecessors, (63), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-10 09:49:03,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:49:03,205 INFO L93 Difference]: Finished difference Result 1186 states and 1740 transitions. [2024-11-10 09:49:03,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-10 09:49:03,206 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 14 states have internal predecessors, (63), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 4 states have call successors, (19) Word has length 155 [2024-11-10 09:49:03,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:49:03,209 INFO L225 Difference]: With dead ends: 1186 [2024-11-10 09:49:03,209 INFO L226 Difference]: Without dead ends: 714 [2024-11-10 09:49:03,210 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=151, Invalid=605, Unknown=0, NotChecked=0, Total=756 [2024-11-10 09:49:03,211 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 463 mSDsluCounter, 1754 mSDsCounter, 0 mSdLazyCounter, 2663 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 463 SdHoareTripleChecker+Valid, 1966 SdHoareTripleChecker+Invalid, 2760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 2663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-10 09:49:03,211 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [463 Valid, 1966 Invalid, 2760 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 2663 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-10 09:49:03,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 714 states. [2024-11-10 09:49:03,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 714 to 476. [2024-11-10 09:49:03,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 430 states have (on average 1.441860465116279) internal successors, (620), 431 states have internal predecessors, (620), 42 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (42), 41 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-10 09:49:03,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 704 transitions. [2024-11-10 09:49:03,226 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 704 transitions. Word has length 155 [2024-11-10 09:49:03,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:49:03,226 INFO L471 AbstractCegarLoop]: Abstraction has 476 states and 704 transitions. [2024-11-10 09:49:03,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 14 states have internal predecessors, (63), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-10 09:49:03,226 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 704 transitions. [2024-11-10 09:49:03,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-10 09:49:03,228 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:49:03,228 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] [2024-11-10 09:49:03,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 09:49:03,228 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:49:03,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:49:03,229 INFO L85 PathProgramCache]: Analyzing trace with hash 316821004, now seen corresponding path program 1 times [2024-11-10 09:49:03,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:49:03,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036214764] [2024-11-10 09:49:03,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:49:03,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:49:03,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:04,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:49:04,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:04,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:49:04,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:04,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:49:04,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:04,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:49:04,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:04,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:49:04,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:04,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:49:04,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:04,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:49:04,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:04,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:49:04,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:04,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:49:04,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:04,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:49:04,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:04,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:49:04,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:04,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:49:04,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:04,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:49:04,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:04,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:49:04,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:04,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 09:49:04,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:04,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 09:49:04,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:04,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 09:49:04,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:04,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 09:49:04,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:04,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 09:49:04,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:04,329 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:49:04,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:49:04,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036214764] [2024-11-10 09:49:04,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036214764] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:49:04,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:49:04,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-10 09:49:04,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055460092] [2024-11-10 09:49:04,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:49:04,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 09:49:04,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:49:04,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 09:49:04,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-10 09:49:04,331 INFO L87 Difference]: Start difference. First operand 476 states and 704 transitions. Second operand has 12 states, 10 states have (on average 6.3) internal successors, (63), 12 states have internal predecessors, (63), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-10 09:49:05,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:49:05,703 INFO L93 Difference]: Finished difference Result 1170 states and 1711 transitions. [2024-11-10 09:49:05,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 09:49:05,704 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 6.3) internal successors, (63), 12 states have internal predecessors, (63), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) Word has length 155 [2024-11-10 09:49:05,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:49:05,706 INFO L225 Difference]: With dead ends: 1170 [2024-11-10 09:49:05,706 INFO L226 Difference]: Without dead ends: 697 [2024-11-10 09:49:05,707 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=111, Invalid=395, Unknown=0, NotChecked=0, Total=506 [2024-11-10 09:49:05,708 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 572 mSDsluCounter, 1239 mSDsCounter, 0 mSdLazyCounter, 1877 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 572 SdHoareTripleChecker+Valid, 1428 SdHoareTripleChecker+Invalid, 1999 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 1877 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-10 09:49:05,708 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [572 Valid, 1428 Invalid, 1999 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 1877 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-10 09:49:05,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states. [2024-11-10 09:49:05,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 492. [2024-11-10 09:49:05,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 492 states, 446 states have (on average 1.4439461883408071) internal successors, (644), 447 states have internal predecessors, (644), 42 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (42), 41 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-10 09:49:05,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 728 transitions. [2024-11-10 09:49:05,721 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 728 transitions. Word has length 155 [2024-11-10 09:49:05,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:49:05,721 INFO L471 AbstractCegarLoop]: Abstraction has 492 states and 728 transitions. [2024-11-10 09:49:05,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 6.3) internal successors, (63), 12 states have internal predecessors, (63), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-10 09:49:05,721 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 728 transitions. [2024-11-10 09:49:05,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-10 09:49:05,723 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:49:05,723 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] [2024-11-10 09:49:05,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 09:49:05,723 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:49:05,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:49:05,723 INFO L85 PathProgramCache]: Analyzing trace with hash -193713173, now seen corresponding path program 1 times [2024-11-10 09:49:05,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:49:05,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228005743] [2024-11-10 09:49:05,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:49:05,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:49:05,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:06,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:49:06,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:06,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:49:06,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:06,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:49:06,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:06,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:49:06,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:06,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:49:06,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:06,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:49:06,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:06,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:49:06,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:06,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:49:06,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:06,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:49:06,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:06,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:49:06,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:06,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:49:06,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:06,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:49:06,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:06,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:49:06,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:06,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:49:06,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:06,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 09:49:06,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:06,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 09:49:06,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:06,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 09:49:06,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:06,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 09:49:06,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:06,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 09:49:06,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:06,628 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:49:06,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:49:06,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228005743] [2024-11-10 09:49:06,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228005743] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:49:06,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:49:06,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 09:49:06,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610701837] [2024-11-10 09:49:06,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:49:06,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 09:49:06,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:49:06,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 09:49:06,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-10 09:49:06,629 INFO L87 Difference]: Start difference. First operand 492 states and 728 transitions. Second operand has 7 states, 5 states have (on average 12.6) internal successors, (63), 7 states have internal predecessors, (63), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-10 09:49:07,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:49:07,063 INFO L93 Difference]: Finished difference Result 1138 states and 1665 transitions. [2024-11-10 09:49:07,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 09:49:07,063 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 12.6) internal successors, (63), 7 states have internal predecessors, (63), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) Word has length 155 [2024-11-10 09:49:07,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:49:07,066 INFO L225 Difference]: With dead ends: 1138 [2024-11-10 09:49:07,066 INFO L226 Difference]: Without dead ends: 649 [2024-11-10 09:49:07,067 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-10 09:49:07,067 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 64 mSDsluCounter, 594 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 782 SdHoareTripleChecker+Invalid, 497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 09:49:07,067 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 782 Invalid, 497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 09:49:07,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2024-11-10 09:49:07,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 545. [2024-11-10 09:49:07,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 545 states, 494 states have (on average 1.4311740890688258) internal successors, (707), 496 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) [2024-11-10 09:49:07,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 545 states and 799 transitions. [2024-11-10 09:49:07,080 INFO L78 Accepts]: Start accepts. Automaton has 545 states and 799 transitions. Word has length 155 [2024-11-10 09:49:07,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:49:07,080 INFO L471 AbstractCegarLoop]: Abstraction has 545 states and 799 transitions. [2024-11-10 09:49:07,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 12.6) internal successors, (63), 7 states have internal predecessors, (63), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-10 09:49:07,080 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 799 transitions. [2024-11-10 09:49:07,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-10 09:49:07,082 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:49:07,082 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] [2024-11-10 09:49:07,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 09:49:07,082 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:49:07,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:49:07,082 INFO L85 PathProgramCache]: Analyzing trace with hash -699271798, now seen corresponding path program 1 times [2024-11-10 09:49:07,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:49:07,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592279908] [2024-11-10 09:49:07,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:49:07,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:49:07,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:08,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:49:08,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:08,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:49:08,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:08,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:49:08,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:08,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:49:08,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:08,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:49:08,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:08,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:49:08,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:08,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:49:08,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:08,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:49:08,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:08,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:49:08,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:08,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:49:08,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:08,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:49:08,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:08,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:49:08,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:08,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:49:08,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:08,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:49:08,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:08,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 09:49:08,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:08,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 09:49:08,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:08,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 09:49:08,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:08,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 09:49:08,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:08,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 09:49:08,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:08,147 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:49:08,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:49:08,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [592279908] [2024-11-10 09:49:08,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [592279908] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:49:08,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:49:08,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 09:49:08,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655924968] [2024-11-10 09:49:08,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:49:08,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 09:49:08,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:49:08,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 09:49:08,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-10 09:49:08,149 INFO L87 Difference]: Start difference. First operand 545 states and 799 transitions. Second operand has 10 states, 7 states have (on average 9.0) internal successors, (63), 10 states have internal predecessors, (63), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-10 09:49:08,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:49:08,999 INFO L93 Difference]: Finished difference Result 1218 states and 1780 transitions. [2024-11-10 09:49:09,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 09:49:09,000 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 7 states have (on average 9.0) internal successors, (63), 10 states have internal predecessors, (63), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 4 states have call successors, (19) Word has length 155 [2024-11-10 09:49:09,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:49:09,002 INFO L225 Difference]: With dead ends: 1218 [2024-11-10 09:49:09,002 INFO L226 Difference]: Without dead ends: 676 [2024-11-10 09:49:09,003 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-10 09:49:09,003 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 71 mSDsluCounter, 982 mSDsCounter, 0 mSdLazyCounter, 1083 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 1192 SdHoareTripleChecker+Invalid, 1088 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1083 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 09:49:09,004 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 1192 Invalid, 1088 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1083 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 09:49:09,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2024-11-10 09:49:09,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 564. [2024-11-10 09:49:09,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 564 states, 513 states have (on average 1.432748538011696) internal successors, (735), 515 states have internal predecessors, (735), 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) [2024-11-10 09:49:09,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 827 transitions. [2024-11-10 09:49:09,017 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 827 transitions. Word has length 155 [2024-11-10 09:49:09,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:49:09,017 INFO L471 AbstractCegarLoop]: Abstraction has 564 states and 827 transitions. [2024-11-10 09:49:09,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 7 states have (on average 9.0) internal successors, (63), 10 states have internal predecessors, (63), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-10 09:49:09,018 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 827 transitions. [2024-11-10 09:49:09,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-10 09:49:09,019 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:49:09,019 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] [2024-11-10 09:49:09,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 09:49:09,019 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:49:09,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:49:09,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1460968507, now seen corresponding path program 1 times [2024-11-10 09:49:09,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:49:09,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195170538] [2024-11-10 09:49:09,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:49:09,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:49:09,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:09,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:49:09,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:09,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:49:09,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:09,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:49:09,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:09,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:49:09,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:09,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:49:09,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:09,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:49:09,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:09,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:49:09,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:09,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:49:09,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:09,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:49:09,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:09,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:49:09,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:09,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:49:09,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:09,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:49:09,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:09,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:49:09,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:09,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:49:09,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:09,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 09:49:09,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:09,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 09:49:09,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:09,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 09:49:09,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:09,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 09:49:09,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:09,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 09:49:09,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:09,553 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:49:09,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:49:09,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195170538] [2024-11-10 09:49:09,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195170538] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:49:09,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:49:09,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 09:49:09,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430584323] [2024-11-10 09:49:09,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:49:09,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 09:49:09,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:49:09,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 09:49:09,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:49:09,554 INFO L87 Difference]: Start difference. First operand 564 states and 827 transitions. Second operand has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 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) [2024-11-10 09:49:10,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:49:10,003 INFO L93 Difference]: Finished difference Result 1302 states and 1894 transitions. [2024-11-10 09:49:10,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 09:49:10,004 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 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 155 [2024-11-10 09:49:10,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:49:10,006 INFO L225 Difference]: With dead ends: 1302 [2024-11-10 09:49:10,007 INFO L226 Difference]: Without dead ends: 741 [2024-11-10 09:49:10,008 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-10 09:49:10,009 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 92 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 733 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 09:49:10,010 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 733 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 09:49:10,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2024-11-10 09:49:10,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 587. [2024-11-10 09:49:10,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 536 states have (on average 1.4365671641791045) internal successors, (770), 538 states have internal predecessors, (770), 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) [2024-11-10 09:49:10,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 862 transitions. [2024-11-10 09:49:10,025 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 862 transitions. Word has length 155 [2024-11-10 09:49:10,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:49:10,026 INFO L471 AbstractCegarLoop]: Abstraction has 587 states and 862 transitions. [2024-11-10 09:49:10,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 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) [2024-11-10 09:49:10,027 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 862 transitions. [2024-11-10 09:49:10,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-10 09:49:10,028 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:49:10,028 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] [2024-11-10 09:49:10,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 09:49:10,029 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:49:10,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:49:10,029 INFO L85 PathProgramCache]: Analyzing trace with hash -499354490, now seen corresponding path program 1 times [2024-11-10 09:49:10,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:49:10,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440627365] [2024-11-10 09:49:10,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:49:10,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:49:10,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:11,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:49:11,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:11,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:49:11,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:11,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:49:11,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:11,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:49:11,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:11,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:49:11,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:11,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:49:11,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:11,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:49:11,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:11,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:49:11,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:11,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:49:11,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:11,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:49:11,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:11,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:49:11,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:11,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:49:11,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:11,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:49:11,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:11,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:49:11,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:11,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 09:49:11,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:11,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 09:49:11,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:11,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 09:49:11,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:11,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 09:49:11,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:11,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 09:49:11,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:11,618 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:49:11,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:49:11,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440627365] [2024-11-10 09:49:11,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440627365] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:49:11,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:49:11,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-10 09:49:11,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987202552] [2024-11-10 09:49:11,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:49:11,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 09:49:11,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:49:11,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 09:49:11,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-10 09:49:11,620 INFO L87 Difference]: Start difference. First operand 587 states and 862 transitions. Second operand has 14 states, 12 states have (on average 5.25) internal successors, (63), 14 states have internal predecessors, (63), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-10 09:49:13,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:49:13,647 INFO L93 Difference]: Finished difference Result 1463 states and 2124 transitions. [2024-11-10 09:49:13,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-10 09:49:13,647 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 5.25) internal successors, (63), 14 states have internal predecessors, (63), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) Word has length 155 [2024-11-10 09:49:13,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:49:13,651 INFO L225 Difference]: With dead ends: 1463 [2024-11-10 09:49:13,651 INFO L226 Difference]: Without dead ends: 879 [2024-11-10 09:49:13,652 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=159, Invalid=597, Unknown=0, NotChecked=0, Total=756 [2024-11-10 09:49:13,653 INFO L432 NwaCegarLoop]: 256 mSDtfsCounter, 510 mSDsluCounter, 1949 mSDsCounter, 0 mSdLazyCounter, 2661 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 510 SdHoareTripleChecker+Valid, 2205 SdHoareTripleChecker+Invalid, 2766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 2661 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-10 09:49:13,653 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [510 Valid, 2205 Invalid, 2766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 2661 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-10 09:49:13,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states. [2024-11-10 09:49:13,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 589. [2024-11-10 09:49:13,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 589 states, 538 states have (on average 1.4349442379182156) internal successors, (772), 540 states have internal predecessors, (772), 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) [2024-11-10 09:49:13,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 864 transitions. [2024-11-10 09:49:13,669 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 864 transitions. Word has length 155 [2024-11-10 09:49:13,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:49:13,670 INFO L471 AbstractCegarLoop]: Abstraction has 589 states and 864 transitions. [2024-11-10 09:49:13,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 5.25) internal successors, (63), 14 states have internal predecessors, (63), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-10 09:49:13,670 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 864 transitions. [2024-11-10 09:49:13,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-10 09:49:13,671 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:49:13,671 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] [2024-11-10 09:49:13,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-10 09:49:13,671 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:49:13,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:49:13,672 INFO L85 PathProgramCache]: Analyzing trace with hash -614598686, now seen corresponding path program 1 times [2024-11-10 09:49:13,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:49:13,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738529490] [2024-11-10 09:49:13,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:49:13,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:49:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:13,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:49:13,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:13,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:49:13,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:13,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:49:13,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:13,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:49:13,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:13,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:49:13,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:13,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:49:13,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:13,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:49:13,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:13,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:49:13,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:13,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:49:13,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:13,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:49:13,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:13,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:49:13,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:13,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:49:13,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:13,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:49:13,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:13,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:49:13,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:13,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 09:49:13,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:13,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 09:49:13,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:13,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 09:49:13,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:13,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 09:49:13,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:13,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 09:49:13,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:13,867 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:49:13,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:49:13,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738529490] [2024-11-10 09:49:13,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738529490] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:49:13,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:49:13,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 09:49:13,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713378493] [2024-11-10 09:49:13,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:49:13,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 09:49:13,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:49:13,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 09:49:13,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 09:49:13,868 INFO L87 Difference]: Start difference. First operand 589 states and 864 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) [2024-11-10 09:49:14,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:49:14,181 INFO L93 Difference]: Finished difference Result 1288 states and 1883 transitions. [2024-11-10 09:49:14,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 09:49:14,182 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 [2024-11-10 09:49:14,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:49:14,184 INFO L225 Difference]: With dead ends: 1288 [2024-11-10 09:49:14,184 INFO L226 Difference]: Without dead ends: 702 [2024-11-10 09:49:14,185 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:49:14,186 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 79 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 09:49:14,186 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 551 Invalid, 324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 09:49:14,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2024-11-10 09:49:14,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 588. [2024-11-10 09:49:14,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 588 states, 537 states have (on average 1.4320297951582868) internal successors, (769), 539 states have internal predecessors, (769), 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) [2024-11-10 09:49:14,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 861 transitions. [2024-11-10 09:49:14,201 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 861 transitions. Word has length 155 [2024-11-10 09:49:14,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:49:14,201 INFO L471 AbstractCegarLoop]: Abstraction has 588 states and 861 transitions. [2024-11-10 09:49:14,201 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) [2024-11-10 09:49:14,201 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 861 transitions. [2024-11-10 09:49:14,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-10 09:49:14,202 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:49:14,203 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, 1] [2024-11-10 09:49:14,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-10 09:49:14,203 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:49:14,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:49:14,203 INFO L85 PathProgramCache]: Analyzing trace with hash -1207726040, now seen corresponding path program 1 times [2024-11-10 09:49:14,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:49:14,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115277289] [2024-11-10 09:49:14,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:49:14,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:49:14,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:14,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:49:14,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:14,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:49:14,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:14,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:49:14,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:14,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:49:14,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:14,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:49:14,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:14,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:49:14,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:14,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:49:14,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:14,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:49:14,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:14,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:49:14,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:14,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:49:14,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:14,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:49:14,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:14,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:49:14,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:14,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:49:14,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:14,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:49:14,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:14,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 09:49:14,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:14,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 09:49:14,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:14,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 09:49:14,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:14,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 09:49:14,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:14,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 09:49:14,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:14,273 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:49:14,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:49:14,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115277289] [2024-11-10 09:49:14,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115277289] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:49:14,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:49:14,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 09:49:14,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063683644] [2024-11-10 09:49:14,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:49:14,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 09:49:14,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:49:14,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 09:49:14,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 09:49:14,275 INFO L87 Difference]: Start difference. First operand 588 states and 861 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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) [2024-11-10 09:49:14,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:49:14,343 INFO L93 Difference]: Finished difference Result 1167 states and 1709 transitions. [2024-11-10 09:49:14,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 09:49:14,344 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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 156 [2024-11-10 09:49:14,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:49:14,346 INFO L225 Difference]: With dead ends: 1167 [2024-11-10 09:49:14,346 INFO L226 Difference]: Without dead ends: 582 [2024-11-10 09:49:14,347 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 [2024-11-10 09:49:14,347 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 0 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 09:49:14,348 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 342 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 09:49:14,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2024-11-10 09:49:14,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 582. [2024-11-10 09:49:14,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 582 states, 531 states have (on average 1.4256120527306968) internal successors, (757), 533 states have internal predecessors, (757), 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) [2024-11-10 09:49:14,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 849 transitions. [2024-11-10 09:49:14,363 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 849 transitions. Word has length 156 [2024-11-10 09:49:14,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:49:14,364 INFO L471 AbstractCegarLoop]: Abstraction has 582 states and 849 transitions. [2024-11-10 09:49:14,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 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) [2024-11-10 09:49:14,364 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 849 transitions. [2024-11-10 09:49:14,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-10 09:49:14,365 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:49:14,365 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, 1, 1] [2024-11-10 09:49:14,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-10 09:49:14,365 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:49:14,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:49:14,365 INFO L85 PathProgramCache]: Analyzing trace with hash -355243435, now seen corresponding path program 1 times [2024-11-10 09:49:14,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:49:14,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45565756] [2024-11-10 09:49:14,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:49:14,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:49:14,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:15,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:49:15,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:15,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:49:15,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:15,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:49:15,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:15,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:49:15,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:15,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:49:15,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:15,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:49:15,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:15,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:49:15,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:15,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:49:15,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:15,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:49:15,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:15,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:49:15,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:15,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:49:15,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:15,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:49:15,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:15,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:49:15,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:15,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:49:15,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:15,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 09:49:15,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:15,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 09:49:15,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:15,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 09:49:15,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:15,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 09:49:15,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:15,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 09:49:15,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:15,075 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:49:15,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:49:15,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45565756] [2024-11-10 09:49:15,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45565756] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:49:15,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:49:15,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 09:49:15,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441084467] [2024-11-10 09:49:15,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:49:15,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 09:49:15,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:49:15,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 09:49:15,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-10 09:49:15,076 INFO L87 Difference]: Start difference. First operand 582 states and 849 transitions. Second operand has 9 states, 8 states have (on average 8.125) internal successors, (65), 9 states have internal predecessors, (65), 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) [2024-11-10 09:49:15,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:49:15,620 INFO L93 Difference]: Finished difference Result 1467 states and 2131 transitions. [2024-11-10 09:49:15,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-10 09:49:15,620 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.125) internal successors, (65), 9 states have internal predecessors, (65), 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 157 [2024-11-10 09:49:15,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:49:15,623 INFO L225 Difference]: With dead ends: 1467 [2024-11-10 09:49:15,623 INFO L226 Difference]: Without dead ends: 888 [2024-11-10 09:49:15,624 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2024-11-10 09:49:15,624 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 147 mSDsluCounter, 864 mSDsCounter, 0 mSdLazyCounter, 665 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 1018 SdHoareTripleChecker+Invalid, 676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 09:49:15,625 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 1018 Invalid, 676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 665 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 09:49:15,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 888 states. [2024-11-10 09:49:15,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 888 to 680. [2024-11-10 09:49:15,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 680 states, 629 states have (on average 1.4403815580286168) internal successors, (906), 631 states have internal predecessors, (906), 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) [2024-11-10 09:49:15,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 998 transitions. [2024-11-10 09:49:15,640 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 998 transitions. Word has length 157 [2024-11-10 09:49:15,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:49:15,641 INFO L471 AbstractCegarLoop]: Abstraction has 680 states and 998 transitions. [2024-11-10 09:49:15,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.125) internal successors, (65), 9 states have internal predecessors, (65), 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) [2024-11-10 09:49:15,641 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 998 transitions. [2024-11-10 09:49:15,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-10 09:49:15,642 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:49:15,642 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, 1, 1] [2024-11-10 09:49:15,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-10 09:49:15,642 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:49:15,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:49:15,642 INFO L85 PathProgramCache]: Analyzing trace with hash 606370582, now seen corresponding path program 1 times [2024-11-10 09:49:15,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:49:15,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892645496] [2024-11-10 09:49:15,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:49:15,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:49:15,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:16,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:49:16,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:16,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:49:16,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:16,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:49:16,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:16,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:49:16,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:16,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:49:16,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:16,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:49:16,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:16,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:49:16,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:16,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:49:16,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:16,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:49:16,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:16,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:49:16,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:16,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:49:16,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:16,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:49:16,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:16,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:49:16,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:16,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:49:16,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:16,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 09:49:16,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:16,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 09:49:16,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:16,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 09:49:16,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:16,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 09:49:16,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:16,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 09:49:16,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:16,876 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:49:16,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:49:16,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892645496] [2024-11-10 09:49:16,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892645496] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:49:16,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:49:16,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-10 09:49:16,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474807281] [2024-11-10 09:49:16,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:49:16,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 09:49:16,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:49:16,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 09:49:16,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2024-11-10 09:49:16,877 INFO L87 Difference]: Start difference. First operand 680 states and 998 transitions. Second operand has 16 states, 14 states have (on average 4.642857142857143) internal successors, (65), 16 states have internal predecessors, (65), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-10 09:49:18,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:49:18,626 INFO L93 Difference]: Finished difference Result 1609 states and 2321 transitions. [2024-11-10 09:49:18,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-10 09:49:18,626 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 4.642857142857143) internal successors, (65), 16 states have internal predecessors, (65), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) Word has length 157 [2024-11-10 09:49:18,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:49:18,629 INFO L225 Difference]: With dead ends: 1609 [2024-11-10 09:49:18,629 INFO L226 Difference]: Without dead ends: 932 [2024-11-10 09:49:18,630 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 242 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=215, Invalid=975, Unknown=0, NotChecked=0, Total=1190 [2024-11-10 09:49:18,631 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 814 mSDsluCounter, 1484 mSDsCounter, 0 mSdLazyCounter, 2273 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 814 SdHoareTripleChecker+Valid, 1649 SdHoareTripleChecker+Invalid, 2457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 2273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-10 09:49:18,631 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [814 Valid, 1649 Invalid, 2457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 2273 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-10 09:49:18,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 932 states. [2024-11-10 09:49:18,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 932 to 816. [2024-11-10 09:49:18,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 816 states, 737 states have (on average 1.4097693351424694) internal successors, (1039), 742 states have internal predecessors, (1039), 68 states have call successors, (68), 10 states have call predecessors, (68), 10 states have return successors, (68), 63 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-10 09:49:18,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 816 states and 1175 transitions. [2024-11-10 09:49:18,655 INFO L78 Accepts]: Start accepts. Automaton has 816 states and 1175 transitions. Word has length 157 [2024-11-10 09:49:18,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:49:18,655 INFO L471 AbstractCegarLoop]: Abstraction has 816 states and 1175 transitions. [2024-11-10 09:49:18,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 4.642857142857143) internal successors, (65), 16 states have internal predecessors, (65), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-10 09:49:18,655 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 1175 transitions. [2024-11-10 09:49:18,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-10 09:49:18,656 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:49:18,656 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:49:18,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-10 09:49:18,656 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:49:18,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:49:18,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1360712744, now seen corresponding path program 1 times [2024-11-10 09:49:18,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:49:18,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120315935] [2024-11-10 09:49:18,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:49:18,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:49:18,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:20,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:49:20,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:20,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:49:20,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:20,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:49:20,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:20,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:49:20,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:20,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:49:20,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:20,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:49:20,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:20,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:49:20,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:20,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:49:20,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:20,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:49:20,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:20,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:49:20,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:20,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:49:20,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:20,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:49:20,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:20,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:49:20,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:20,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:49:20,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:20,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 09:49:20,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:20,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 09:49:20,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:20,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 09:49:20,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:20,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 09:49:20,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:20,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 09:49:20,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:20,768 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:49:20,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:49:20,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120315935] [2024-11-10 09:49:20,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120315935] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:49:20,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:49:20,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2024-11-10 09:49:20,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172179298] [2024-11-10 09:49:20,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:49:20,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-10 09:49:20,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:49:20,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-10 09:49:20,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=448, Unknown=0, NotChecked=0, Total=506 [2024-11-10 09:49:20,774 INFO L87 Difference]: Start difference. First operand 816 states and 1175 transitions. Second operand has 23 states, 20 states have (on average 3.25) internal successors, (65), 23 states have internal predecessors, (65), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-10 09:49:24,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:49:24,227 INFO L93 Difference]: Finished difference Result 1855 states and 2654 transitions. [2024-11-10 09:49:24,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-10 09:49:24,228 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 20 states have (on average 3.25) internal successors, (65), 23 states have internal predecessors, (65), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 4 states have call successors, (19) Word has length 157 [2024-11-10 09:49:24,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:49:24,231 INFO L225 Difference]: With dead ends: 1855 [2024-11-10 09:49:24,232 INFO L226 Difference]: Without dead ends: 1060 [2024-11-10 09:49:24,234 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 483 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=355, Invalid=2297, Unknown=0, NotChecked=0, Total=2652 [2024-11-10 09:49:24,234 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 482 mSDsluCounter, 2982 mSDsCounter, 0 mSdLazyCounter, 4875 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 482 SdHoareTripleChecker+Valid, 3171 SdHoareTripleChecker+Invalid, 4978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 4875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-10 09:49:24,235 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [482 Valid, 3171 Invalid, 4978 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 4875 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-10 09:49:24,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1060 states. [2024-11-10 09:49:24,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1060 to 910. [2024-11-10 09:49:24,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 910 states, 828 states have (on average 1.4070048309178744) internal successors, (1165), 834 states have internal predecessors, (1165), 70 states have call successors, (70), 11 states have call predecessors, (70), 11 states have return successors, (70), 64 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-10 09:49:24,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 910 states and 1305 transitions. [2024-11-10 09:49:24,265 INFO L78 Accepts]: Start accepts. Automaton has 910 states and 1305 transitions. Word has length 157 [2024-11-10 09:49:24,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:49:24,265 INFO L471 AbstractCegarLoop]: Abstraction has 910 states and 1305 transitions. [2024-11-10 09:49:24,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 20 states have (on average 3.25) internal successors, (65), 23 states have internal predecessors, (65), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-10 09:49:24,265 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1305 transitions. [2024-11-10 09:49:24,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-10 09:49:24,266 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:49:24,266 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, 1, 1] [2024-11-10 09:49:24,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-10 09:49:24,266 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:49:24,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:49:24,267 INFO L85 PathProgramCache]: Analyzing trace with hash 855154119, now seen corresponding path program 1 times [2024-11-10 09:49:24,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:49:24,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721812964] [2024-11-10 09:49:24,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:49:24,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:49:24,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:24,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:49:24,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:24,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:49:24,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:24,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:49:24,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:24,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:49:24,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:24,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:49:24,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:24,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:49:24,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:24,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:49:24,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:24,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:49:24,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:24,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:49:24,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:24,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:49:24,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:24,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:49:24,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:24,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:49:24,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:24,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:49:24,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:24,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:49:24,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:24,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 09:49:24,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:24,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 09:49:24,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:24,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 09:49:24,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:24,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 09:49:24,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:24,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 09:49:24,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:24,484 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:49:24,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:49:24,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721812964] [2024-11-10 09:49:24,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721812964] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:49:24,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:49:24,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 09:49:24,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746155362] [2024-11-10 09:49:24,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:49:24,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 09:49:24,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:49:24,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 09:49:24,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 09:49:24,486 INFO L87 Difference]: Start difference. First operand 910 states and 1305 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 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) [2024-11-10 09:49:24,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:49:24,712 INFO L93 Difference]: Finished difference Result 2066 states and 2938 transitions. [2024-11-10 09:49:24,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 09:49:24,712 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 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 157 [2024-11-10 09:49:24,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:49:24,716 INFO L225 Difference]: With dead ends: 2066 [2024-11-10 09:49:24,716 INFO L226 Difference]: Without dead ends: 1177 [2024-11-10 09:49:24,720 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 [2024-11-10 09:49:24,720 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 66 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 09:49:24,720 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 478 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 09:49:24,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2024-11-10 09:49:24,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 881. [2024-11-10 09:49:24,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 881 states, 799 states have (on average 1.3979974968710889) internal successors, (1117), 805 states have internal predecessors, (1117), 70 states have call successors, (70), 11 states have call predecessors, (70), 11 states have return successors, (70), 64 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-10 09:49:24,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 881 states and 1257 transitions. [2024-11-10 09:49:24,747 INFO L78 Accepts]: Start accepts. Automaton has 881 states and 1257 transitions. Word has length 157 [2024-11-10 09:49:24,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:49:24,748 INFO L471 AbstractCegarLoop]: Abstraction has 881 states and 1257 transitions. [2024-11-10 09:49:24,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 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) [2024-11-10 09:49:24,748 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1257 transitions. [2024-11-10 09:49:24,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-10 09:49:24,749 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:49:24,749 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, 1, 1] [2024-11-10 09:49:24,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-10 09:49:24,749 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:49:24,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:49:24,749 INFO L85 PathProgramCache]: Analyzing trace with hash 2053814441, now seen corresponding path program 1 times [2024-11-10 09:49:24,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:49:24,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22210513] [2024-11-10 09:49:24,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:49:24,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:49:24,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:25,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:49:25,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:25,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:49:25,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:25,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:49:25,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:25,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:49:25,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:25,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:49:25,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:25,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:49:25,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:25,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:49:25,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:25,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:49:25,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:25,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:49:25,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:25,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:49:25,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:25,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:49:25,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:25,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:49:25,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:25,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:49:25,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:25,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:49:25,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:25,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 09:49:25,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:25,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 09:49:25,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:25,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 09:49:25,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:25,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 09:49:25,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:25,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 09:49:25,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:25,208 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:49:25,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:49:25,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22210513] [2024-11-10 09:49:25,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22210513] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:49:25,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:49:25,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 09:49:25,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418849258] [2024-11-10 09:49:25,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:49:25,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 09:49:25,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:49:25,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 09:49:25,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:49:25,209 INFO L87 Difference]: Start difference. First operand 881 states and 1257 transitions. Second operand has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 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) [2024-11-10 09:49:25,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:49:25,541 INFO L93 Difference]: Finished difference Result 1928 states and 2736 transitions. [2024-11-10 09:49:25,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 09:49:25,542 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 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 157 [2024-11-10 09:49:25,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:49:25,545 INFO L225 Difference]: With dead ends: 1928 [2024-11-10 09:49:25,545 INFO L226 Difference]: Without dead ends: 1068 [2024-11-10 09:49:25,546 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-10 09:49:25,546 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 94 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 09:49:25,547 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 559 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 09:49:25,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1068 states. [2024-11-10 09:49:25,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1068 to 850. [2024-11-10 09:49:25,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 850 states, 765 states have (on average 1.388235294117647) internal successors, (1062), 771 states have internal predecessors, (1062), 72 states have call successors, (72), 12 states have call predecessors, (72), 12 states have return successors, (72), 66 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-10 09:49:25,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 850 states and 1206 transitions. [2024-11-10 09:49:25,574 INFO L78 Accepts]: Start accepts. Automaton has 850 states and 1206 transitions. Word has length 157 [2024-11-10 09:49:25,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:49:25,575 INFO L471 AbstractCegarLoop]: Abstraction has 850 states and 1206 transitions. [2024-11-10 09:49:25,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 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) [2024-11-10 09:49:25,575 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1206 transitions. [2024-11-10 09:49:25,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-10 09:49:25,576 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:49:25,576 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, 1, 1] [2024-11-10 09:49:25,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-10 09:49:25,576 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:49:25,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:49:25,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1388521576, now seen corresponding path program 1 times [2024-11-10 09:49:25,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:49:25,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300921321] [2024-11-10 09:49:25,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:49:25,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:49:25,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:28,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:49:28,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:28,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:49:28,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:28,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:49:28,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:28,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:49:28,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:28,114 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:49:28,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:28,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:49:28,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:28,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:49:28,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:28,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:49:28,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:28,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:49:28,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:28,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:49:28,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:28,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:49:28,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:28,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:49:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:28,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:49:28,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:28,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:49:28,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:28,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 09:49:28,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:28,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 09:49:28,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:28,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 09:49:28,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:28,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 09:49:28,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:28,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 09:49:28,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:28,129 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:49:28,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:49:28,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300921321] [2024-11-10 09:49:28,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300921321] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:49:28,129 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:49:28,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2024-11-10 09:49:28,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082229326] [2024-11-10 09:49:28,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:49:28,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-10 09:49:28,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:49:28,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-10 09:49:28,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=448, Unknown=0, NotChecked=0, Total=506 [2024-11-10 09:49:28,130 INFO L87 Difference]: Start difference. First operand 850 states and 1206 transitions. Second operand has 23 states, 20 states have (on average 3.25) internal successors, (65), 23 states have internal predecessors, (65), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-10 09:49:32,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:49:32,120 INFO L93 Difference]: Finished difference Result 1827 states and 2579 transitions. [2024-11-10 09:49:32,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-10 09:49:32,120 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 20 states have (on average 3.25) internal successors, (65), 23 states have internal predecessors, (65), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 4 states have call successors, (19) Word has length 157 [2024-11-10 09:49:32,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:49:32,123 INFO L225 Difference]: With dead ends: 1827 [2024-11-10 09:49:32,123 INFO L226 Difference]: Without dead ends: 998 [2024-11-10 09:49:32,125 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 53 SyntacticMatches, 2 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 487 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=355, Invalid=2297, Unknown=0, NotChecked=0, Total=2652 [2024-11-10 09:49:32,125 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 517 mSDsluCounter, 3201 mSDsCounter, 0 mSdLazyCounter, 4592 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 517 SdHoareTripleChecker+Valid, 3420 SdHoareTripleChecker+Invalid, 4703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 4592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-10 09:49:32,125 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [517 Valid, 3420 Invalid, 4703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 4592 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-10 09:49:32,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 998 states. [2024-11-10 09:49:32,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 998 to 801. [2024-11-10 09:49:32,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 801 states, 721 states have (on average 1.3925104022191401) internal successors, (1004), 726 states have internal predecessors, (1004), 68 states have call successors, (68), 11 states have call predecessors, (68), 11 states have return successors, (68), 63 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-10 09:49:32,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 1140 transitions. [2024-11-10 09:49:32,157 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 1140 transitions. Word has length 157 [2024-11-10 09:49:32,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:49:32,158 INFO L471 AbstractCegarLoop]: Abstraction has 801 states and 1140 transitions. [2024-11-10 09:49:32,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 20 states have (on average 3.25) internal successors, (65), 23 states have internal predecessors, (65), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-10 09:49:32,158 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1140 transitions. [2024-11-10 09:49:32,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-10 09:49:32,159 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:49:32,159 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, 1, 1] [2024-11-10 09:49:32,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-10 09:49:32,160 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:49:32,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:49:32,160 INFO L85 PathProgramCache]: Analyzing trace with hash 333604470, now seen corresponding path program 1 times [2024-11-10 09:49:32,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:49:32,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91732074] [2024-11-10 09:49:32,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:49:32,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:49:32,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:32,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:49:32,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:32,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:49:32,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:32,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:49:32,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:32,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:49:32,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:32,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:49:32,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:32,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:49:32,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:32,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:49:32,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:32,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:49:32,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:32,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:49:32,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:32,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:49:32,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:32,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:49:32,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:32,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:49:32,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:32,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:49:32,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:32,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:49:32,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:32,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 09:49:32,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:32,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 09:49:32,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:32,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 09:49:32,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:32,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 09:49:32,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:32,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 09:49:32,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:32,874 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:49:32,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:49:32,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91732074] [2024-11-10 09:49:32,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91732074] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:49:32,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:49:32,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 09:49:32,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562978009] [2024-11-10 09:49:32,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:49:32,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 09:49:32,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:49:32,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 09:49:32,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-10 09:49:32,876 INFO L87 Difference]: Start difference. First operand 801 states and 1140 transitions. Second operand has 7 states, 5 states have (on average 13.0) internal successors, (65), 7 states have internal predecessors, (65), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-10 09:49:33,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:49:33,434 INFO L93 Difference]: Finished difference Result 1803 states and 2565 transitions. [2024-11-10 09:49:33,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 09:49:33,435 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 13.0) internal successors, (65), 7 states have internal predecessors, (65), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) Word has length 157 [2024-11-10 09:49:33,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:49:33,438 INFO L225 Difference]: With dead ends: 1803 [2024-11-10 09:49:33,438 INFO L226 Difference]: Without dead ends: 1023 [2024-11-10 09:49:33,440 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-10 09:49:33,443 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 81 mSDsluCounter, 664 mSDsCounter, 0 mSdLazyCounter, 627 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 875 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 627 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 09:49:33,443 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 875 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 627 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 09:49:33,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1023 states. [2024-11-10 09:49:33,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1023 to 1018. [2024-11-10 09:49:33,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1018 states, 919 states have (on average 1.3884657236126223) internal successors, (1276), 927 states have internal predecessors, (1276), 84 states have call successors, (84), 14 states have call predecessors, (84), 14 states have return successors, (84), 76 states have call predecessors, (84), 84 states have call successors, (84) [2024-11-10 09:49:33,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1018 states to 1018 states and 1444 transitions. [2024-11-10 09:49:33,482 INFO L78 Accepts]: Start accepts. Automaton has 1018 states and 1444 transitions. Word has length 157 [2024-11-10 09:49:33,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:49:33,482 INFO L471 AbstractCegarLoop]: Abstraction has 1018 states and 1444 transitions. [2024-11-10 09:49:33,483 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 13.0) internal successors, (65), 7 states have internal predecessors, (65), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-10 09:49:33,483 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 1444 transitions. [2024-11-10 09:49:33,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-10 09:49:33,484 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:49:33,484 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, 1, 1] [2024-11-10 09:49:33,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-10 09:49:33,484 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:49:33,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:49:33,484 INFO L85 PathProgramCache]: Analyzing trace with hash 627007477, now seen corresponding path program 1 times [2024-11-10 09:49:33,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:49:33,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728930243] [2024-11-10 09:49:33,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:49:33,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:49:33,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:34,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:49:34,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:34,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:49:34,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:34,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:49:34,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:34,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:49:34,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:34,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:49:34,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:34,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:49:34,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:34,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:49:34,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:34,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:49:34,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:34,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:49:34,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:34,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:49:34,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:34,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:49:34,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:34,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:49:34,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:34,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:49:34,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:34,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:49:34,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:34,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 09:49:34,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:34,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 09:49:34,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:34,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 09:49:34,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:34,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 09:49:34,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:34,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 09:49:34,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:34,917 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:49:34,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:49:34,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728930243] [2024-11-10 09:49:34,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728930243] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:49:34,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:49:34,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-10 09:49:34,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10631273] [2024-11-10 09:49:34,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:49:34,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 09:49:34,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:49:34,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 09:49:34,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2024-11-10 09:49:34,919 INFO L87 Difference]: Start difference. First operand 1018 states and 1444 transitions. Second operand has 16 states, 14 states have (on average 4.642857142857143) internal successors, (65), 16 states have internal predecessors, (65), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-10 09:49:36,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:49:36,380 INFO L93 Difference]: Finished difference Result 2250 states and 3184 transitions. [2024-11-10 09:49:36,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-10 09:49:36,381 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 4.642857142857143) internal successors, (65), 16 states have internal predecessors, (65), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) Word has length 157 [2024-11-10 09:49:36,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:49:36,385 INFO L225 Difference]: With dead ends: 2250 [2024-11-10 09:49:36,385 INFO L226 Difference]: Without dead ends: 1253 [2024-11-10 09:49:36,387 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=97, Invalid=605, Unknown=0, NotChecked=0, Total=702 [2024-11-10 09:49:36,387 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 228 mSDsluCounter, 1118 mSDsCounter, 0 mSdLazyCounter, 2039 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 1249 SdHoareTripleChecker+Invalid, 2066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 2039 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-10 09:49:36,387 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 1249 Invalid, 2066 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 2039 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-10 09:49:36,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1253 states. [2024-11-10 09:49:36,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1253 to 1164. [2024-11-10 09:49:36,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1164 states, 1060 states have (on average 1.3886792452830188) internal successors, (1472), 1069 states have internal predecessors, (1472), 88 states have call successors, (88), 15 states have call predecessors, (88), 15 states have return successors, (88), 79 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-10 09:49:36,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 1164 states and 1648 transitions. [2024-11-10 09:49:36,426 INFO L78 Accepts]: Start accepts. Automaton has 1164 states and 1648 transitions. Word has length 157 [2024-11-10 09:49:36,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:49:36,426 INFO L471 AbstractCegarLoop]: Abstraction has 1164 states and 1648 transitions. [2024-11-10 09:49:36,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 4.642857142857143) internal successors, (65), 16 states have internal predecessors, (65), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-10 09:49:36,426 INFO L276 IsEmpty]: Start isEmpty. Operand 1164 states and 1648 transitions. [2024-11-10 09:49:36,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-10 09:49:36,427 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:49:36,428 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, 1, 1] [2024-11-10 09:49:36,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-10 09:49:36,428 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:49:36,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:49:36,428 INFO L85 PathProgramCache]: Analyzing trace with hash 2134559286, now seen corresponding path program 1 times [2024-11-10 09:49:36,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:49:36,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341128340] [2024-11-10 09:49:36,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:49:36,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:49:36,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:37,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:49:37,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:37,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:49:37,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:37,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:49:37,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:37,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:49:37,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:37,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:49:37,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:37,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:49:37,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:37,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:49:37,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:37,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:49:37,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:37,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:49:37,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:37,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:49:37,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:37,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:49:37,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:37,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:49:37,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:37,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:49:37,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:37,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:49:37,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:37,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 09:49:37,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:37,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 09:49:37,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:37,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 09:49:37,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:37,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 09:49:37,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:37,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 09:49:37,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:37,187 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:49:37,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:49:37,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341128340] [2024-11-10 09:49:37,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341128340] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:49:37,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:49:37,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 09:49:37,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483212007] [2024-11-10 09:49:37,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:49:37,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 09:49:37,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:49:37,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 09:49:37,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:49:37,189 INFO L87 Difference]: Start difference. First operand 1164 states and 1648 transitions. Second operand has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 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) [2024-11-10 09:49:37,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:49:37,581 INFO L93 Difference]: Finished difference Result 2510 states and 3560 transitions. [2024-11-10 09:49:37,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 09:49:37,581 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 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 157 [2024-11-10 09:49:37,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:49:37,585 INFO L225 Difference]: With dead ends: 2510 [2024-11-10 09:49:37,585 INFO L226 Difference]: Without dead ends: 1367 [2024-11-10 09:49:37,587 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-10 09:49:37,587 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 66 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 436 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 719 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 436 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 09:49:37,587 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 719 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 436 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 09:49:37,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1367 states. [2024-11-10 09:49:37,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1367 to 1211. [2024-11-10 09:49:37,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1211 states, 1107 states have (on average 1.3938572719060525) internal successors, (1543), 1116 states have internal predecessors, (1543), 88 states have call successors, (88), 15 states have call predecessors, (88), 15 states have return successors, (88), 79 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-10 09:49:37,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 1211 states and 1719 transitions. [2024-11-10 09:49:37,627 INFO L78 Accepts]: Start accepts. Automaton has 1211 states and 1719 transitions. Word has length 157 [2024-11-10 09:49:37,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:49:37,627 INFO L471 AbstractCegarLoop]: Abstraction has 1211 states and 1719 transitions. [2024-11-10 09:49:37,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 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) [2024-11-10 09:49:37,627 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 1719 transitions. [2024-11-10 09:49:37,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-10 09:49:37,628 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:49:37,628 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, 1, 1] [2024-11-10 09:49:37,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-10 09:49:37,628 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:49:37,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:49:37,629 INFO L85 PathProgramCache]: Analyzing trace with hash 78867925, now seen corresponding path program 1 times [2024-11-10 09:49:37,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:49:37,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081728753] [2024-11-10 09:49:37,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:49:37,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:49:37,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:38,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:49:38,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:38,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:49:38,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:38,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:49:38,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:38,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:49:38,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:38,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:49:38,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:38,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:49:38,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:38,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:49:38,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:38,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:49:38,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:38,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:49:38,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:38,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:49:38,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:38,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:49:38,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:38,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:49:38,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:38,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:49:38,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:38,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:49:38,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:38,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 09:49:38,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:38,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 09:49:38,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:38,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 09:49:38,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:38,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 09:49:38,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:38,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 09:49:38,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:38,685 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:49:38,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:49:38,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081728753] [2024-11-10 09:49:38,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081728753] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:49:38,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:49:38,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-10 09:49:38,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485851057] [2024-11-10 09:49:38,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:49:38,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 09:49:38,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:49:38,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 09:49:38,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2024-11-10 09:49:38,687 INFO L87 Difference]: Start difference. First operand 1211 states and 1719 transitions. Second operand has 16 states, 14 states have (on average 4.642857142857143) internal successors, (65), 16 states have internal predecessors, (65), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-10 09:49:39,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:49:39,838 INFO L93 Difference]: Finished difference Result 2567 states and 3634 transitions. [2024-11-10 09:49:39,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-10 09:49:39,838 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 4.642857142857143) internal successors, (65), 16 states have internal predecessors, (65), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) Word has length 157 [2024-11-10 09:49:39,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:49:39,843 INFO L225 Difference]: With dead ends: 2567 [2024-11-10 09:49:39,844 INFO L226 Difference]: Without dead ends: 1377 [2024-11-10 09:49:39,845 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 50 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=64, Invalid=442, Unknown=0, NotChecked=0, Total=506 [2024-11-10 09:49:39,845 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 85 mSDsluCounter, 1649 mSDsCounter, 0 mSdLazyCounter, 1526 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 1856 SdHoareTripleChecker+Invalid, 1532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1526 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-10 09:49:39,845 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 1856 Invalid, 1532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1526 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-10 09:49:39,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1377 states. [2024-11-10 09:49:39,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1377 to 1274. [2024-11-10 09:49:39,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1274 states, 1165 states have (on average 1.3888412017167382) internal successors, (1618), 1175 states have internal predecessors, (1618), 92 states have call successors, (92), 16 states have call predecessors, (92), 16 states have return successors, (92), 82 states have call predecessors, (92), 92 states have call successors, (92) [2024-11-10 09:49:39,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1274 states to 1274 states and 1802 transitions. [2024-11-10 09:49:39,889 INFO L78 Accepts]: Start accepts. Automaton has 1274 states and 1802 transitions. Word has length 157 [2024-11-10 09:49:39,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:49:39,889 INFO L471 AbstractCegarLoop]: Abstraction has 1274 states and 1802 transitions. [2024-11-10 09:49:39,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 4.642857142857143) internal successors, (65), 16 states have internal predecessors, (65), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-10 09:49:39,890 INFO L276 IsEmpty]: Start isEmpty. Operand 1274 states and 1802 transitions. [2024-11-10 09:49:39,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-10 09:49:39,891 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:49:39,891 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, 1, 1] [2024-11-10 09:49:39,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-10 09:49:39,892 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:49:39,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:49:39,892 INFO L85 PathProgramCache]: Analyzing trace with hash 372270932, now seen corresponding path program 1 times [2024-11-10 09:49:39,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:49:39,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043067561] [2024-11-10 09:49:39,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:49:39,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:49:39,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:40,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:49:40,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:40,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:49:40,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:40,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:49:40,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:40,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:49:40,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:40,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:49:40,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:40,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:49:40,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:40,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:49:40,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:40,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:49:40,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:40,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:49:40,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:40,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:49:40,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:40,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:49:40,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:40,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:49:40,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:40,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:49:40,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:40,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:49:40,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:40,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 09:49:40,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:40,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 09:49:40,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:40,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 09:49:40,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:40,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 09:49:40,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:40,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 09:49:40,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:40,553 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:49:40,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:49:40,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043067561] [2024-11-10 09:49:40,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043067561] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:49:40,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:49:40,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 09:49:40,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262050660] [2024-11-10 09:49:40,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:49:40,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 09:49:40,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:49:40,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 09:49:40,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-10 09:49:40,554 INFO L87 Difference]: Start difference. First operand 1274 states and 1802 transitions. Second operand has 7 states, 5 states have (on average 13.0) internal successors, (65), 7 states have internal predecessors, (65), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-10 09:49:41,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:49:41,028 INFO L93 Difference]: Finished difference Result 2612 states and 3685 transitions. [2024-11-10 09:49:41,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 09:49:41,028 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 13.0) internal successors, (65), 7 states have internal predecessors, (65), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) Word has length 157 [2024-11-10 09:49:41,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:49:41,032 INFO L225 Difference]: With dead ends: 2612 [2024-11-10 09:49:41,032 INFO L226 Difference]: Without dead ends: 1359 [2024-11-10 09:49:41,033 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-10 09:49:41,034 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 83 mSDsluCounter, 640 mSDsCounter, 0 mSdLazyCounter, 622 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 844 SdHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 09:49:41,034 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 844 Invalid, 630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 622 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 09:49:41,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1359 states. [2024-11-10 09:49:41,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1359 to 1108. [2024-11-10 09:49:41,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1108 states, 1019 states have (on average 1.3974484789008832) internal successors, (1424), 1025 states have internal predecessors, (1424), 74 states have call successors, (74), 14 states have call predecessors, (74), 14 states have return successors, (74), 68 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-10 09:49:41,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 1108 states and 1572 transitions. [2024-11-10 09:49:41,068 INFO L78 Accepts]: Start accepts. Automaton has 1108 states and 1572 transitions. Word has length 157 [2024-11-10 09:49:41,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:49:41,068 INFO L471 AbstractCegarLoop]: Abstraction has 1108 states and 1572 transitions. [2024-11-10 09:49:41,069 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 13.0) internal successors, (65), 7 states have internal predecessors, (65), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-10 09:49:41,069 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 1572 transitions. [2024-11-10 09:49:41,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-10 09:49:41,070 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:49:41,070 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, 1, 1] [2024-11-10 09:49:41,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-10 09:49:41,070 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:49:41,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:49:41,070 INFO L85 PathProgramCache]: Analyzing trace with hash 638323604, now seen corresponding path program 1 times [2024-11-10 09:49:41,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:49:41,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556867354] [2024-11-10 09:49:41,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:49:41,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:49:41,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:41,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:49:41,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:41,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:49:41,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:41,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:49:41,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:41,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:49:41,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:41,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:49:41,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:41,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:49:41,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:41,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:49:41,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:41,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:49:41,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:41,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:49:41,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:41,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:49:41,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:41,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:49:41,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:41,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:49:41,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:41,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:49:41,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:41,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:49:41,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:41,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 09:49:41,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:41,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 09:49:41,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:41,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 09:49:41,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:41,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 09:49:41,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:41,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 09:49:41,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:41,802 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:49:41,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:49:41,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556867354] [2024-11-10 09:49:41,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556867354] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:49:41,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:49:41,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 09:49:41,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270009668] [2024-11-10 09:49:41,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:49:41,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 09:49:41,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:49:41,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 09:49:41,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:49:41,804 INFO L87 Difference]: Start difference. First operand 1108 states and 1572 transitions. Second operand has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 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) [2024-11-10 09:49:42,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:49:42,139 INFO L93 Difference]: Finished difference Result 2253 states and 3193 transitions. [2024-11-10 09:49:42,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 09:49:42,140 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 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 157 [2024-11-10 09:49:42,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:49:42,143 INFO L225 Difference]: With dead ends: 2253 [2024-11-10 09:49:42,143 INFO L226 Difference]: Without dead ends: 1148 [2024-11-10 09:49:42,144 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-10 09:49:42,145 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 68 mSDsluCounter, 531 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 732 SdHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 09:49:42,145 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 732 Invalid, 454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 09:49:42,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1148 states. [2024-11-10 09:49:42,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1148 to 1108. [2024-11-10 09:49:42,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1108 states, 1019 states have (on average 1.391560353287537) internal successors, (1418), 1025 states have internal predecessors, (1418), 74 states have call successors, (74), 14 states have call predecessors, (74), 14 states have return successors, (74), 68 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-10 09:49:42,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 1108 states and 1566 transitions. [2024-11-10 09:49:42,179 INFO L78 Accepts]: Start accepts. Automaton has 1108 states and 1566 transitions. Word has length 157 [2024-11-10 09:49:42,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:49:42,179 INFO L471 AbstractCegarLoop]: Abstraction has 1108 states and 1566 transitions. [2024-11-10 09:49:42,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 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) [2024-11-10 09:49:42,179 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 1566 transitions. [2024-11-10 09:49:42,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-10 09:49:42,180 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:49:42,180 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, 1, 1] [2024-11-10 09:49:42,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-10 09:49:42,180 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:49:42,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:49:42,181 INFO L85 PathProgramCache]: Analyzing trace with hash 2145875413, now seen corresponding path program 1 times [2024-11-10 09:49:42,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:49:42,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738469399] [2024-11-10 09:49:42,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:49:42,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:49:42,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:43,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:49:43,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:43,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:49:43,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:43,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:49:43,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:43,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:49:43,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:43,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:49:43,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:43,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:49:43,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:43,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:49:43,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:43,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:49:43,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:43,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:49:43,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:43,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:49:43,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:43,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:49:43,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:43,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:49:43,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:43,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:49:43,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:43,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:49:43,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:43,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 09:49:43,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:43,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 09:49:43,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:43,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 09:49:43,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:43,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 09:49:43,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:43,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 09:49:43,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:43,154 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:49:43,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:49:43,154 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738469399] [2024-11-10 09:49:43,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738469399] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:49:43,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:49:43,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-10 09:49:43,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36385443] [2024-11-10 09:49:43,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:49:43,155 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 09:49:43,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:49:43,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 09:49:43,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2024-11-10 09:49:43,155 INFO L87 Difference]: Start difference. First operand 1108 states and 1566 transitions. Second operand has 14 states, 13 states have (on average 5.0) internal successors, (65), 14 states have internal predecessors, (65), 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) [2024-11-10 09:49:43,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:49:43,913 INFO L93 Difference]: Finished difference Result 2329 states and 3286 transitions. [2024-11-10 09:49:43,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 09:49:43,914 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.0) internal successors, (65), 14 states have internal predecessors, (65), 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 157 [2024-11-10 09:49:43,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:49:43,918 INFO L225 Difference]: With dead ends: 2329 [2024-11-10 09:49:43,918 INFO L226 Difference]: Without dead ends: 1224 [2024-11-10 09:49:43,919 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2024-11-10 09:49:43,920 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 66 mSDsluCounter, 1466 mSDsCounter, 0 mSdLazyCounter, 1131 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 1677 SdHoareTripleChecker+Invalid, 1135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-10 09:49:43,920 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 1677 Invalid, 1135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1131 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-10 09:49:43,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1224 states. [2024-11-10 09:49:43,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1224 to 1112. [2024-11-10 09:49:43,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1112 states, 1023 states have (on average 1.3900293255131966) internal successors, (1422), 1029 states have internal predecessors, (1422), 74 states have call successors, (74), 14 states have call predecessors, (74), 14 states have return successors, (74), 68 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-10 09:49:43,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 1570 transitions. [2024-11-10 09:49:43,954 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 1570 transitions. Word has length 157 [2024-11-10 09:49:43,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:49:43,955 INFO L471 AbstractCegarLoop]: Abstraction has 1112 states and 1570 transitions. [2024-11-10 09:49:43,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.0) internal successors, (65), 14 states have internal predecessors, (65), 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) [2024-11-10 09:49:43,955 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1570 transitions. [2024-11-10 09:49:43,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-10 09:49:43,956 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:49:43,957 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, 1, 1] [2024-11-10 09:49:43,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-10 09:49:43,957 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:49:43,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:49:43,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1597735861, now seen corresponding path program 1 times [2024-11-10 09:49:43,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:49:43,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143948380] [2024-11-10 09:49:43,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:49:43,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:49:44,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:45,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:49:45,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:45,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:49:45,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:45,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:49:45,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:45,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:49:45,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:45,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:49:45,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:45,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:49:45,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:45,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:49:45,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:45,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:49:45,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:45,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:49:45,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:45,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:49:45,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:45,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:49:45,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:45,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:49:45,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:45,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:49:45,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:45,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:49:45,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:45,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 09:49:45,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:45,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 09:49:45,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:45,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 09:49:45,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:45,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 09:49:45,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:45,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 09:49:45,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:45,027 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:49:45,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:49:45,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143948380] [2024-11-10 09:49:45,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143948380] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:49:45,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:49:45,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-10 09:49:45,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529435963] [2024-11-10 09:49:45,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:49:45,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 09:49:45,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:49:45,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 09:49:45,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2024-11-10 09:49:45,029 INFO L87 Difference]: Start difference. First operand 1112 states and 1570 transitions. Second operand has 14 states, 13 states have (on average 5.0) internal successors, (65), 14 states have internal predecessors, (65), 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) [2024-11-10 09:49:45,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:49:45,966 INFO L93 Difference]: Finished difference Result 2328 states and 3282 transitions. [2024-11-10 09:49:45,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 09:49:45,966 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.0) internal successors, (65), 14 states have internal predecessors, (65), 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 157 [2024-11-10 09:49:45,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:49:45,970 INFO L225 Difference]: With dead ends: 2328 [2024-11-10 09:49:45,970 INFO L226 Difference]: Without dead ends: 1219 [2024-11-10 09:49:45,971 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2024-11-10 09:49:45,971 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 66 mSDsluCounter, 1598 mSDsCounter, 0 mSdLazyCounter, 1278 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 1810 SdHoareTripleChecker+Invalid, 1282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 09:49:45,971 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 1810 Invalid, 1282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1278 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 09:49:45,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1219 states. [2024-11-10 09:49:46,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1219 to 1101. [2024-11-10 09:49:46,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1101 states, 1012 states have (on average 1.391304347826087) internal successors, (1408), 1018 states have internal predecessors, (1408), 74 states have call successors, (74), 14 states have call predecessors, (74), 14 states have return successors, (74), 68 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-10 09:49:46,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1101 states to 1101 states and 1556 transitions. [2024-11-10 09:49:46,005 INFO L78 Accepts]: Start accepts. Automaton has 1101 states and 1556 transitions. Word has length 157 [2024-11-10 09:49:46,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:49:46,006 INFO L471 AbstractCegarLoop]: Abstraction has 1101 states and 1556 transitions. [2024-11-10 09:49:46,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.0) internal successors, (65), 14 states have internal predecessors, (65), 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) [2024-11-10 09:49:46,006 INFO L276 IsEmpty]: Start isEmpty. Operand 1101 states and 1556 transitions. [2024-11-10 09:49:46,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-10 09:49:46,007 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:49:46,007 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, 1, 1, 1] [2024-11-10 09:49:46,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-10 09:49:46,007 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:49:46,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:49:46,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1593923901, now seen corresponding path program 1 times [2024-11-10 09:49:46,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:49:46,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374290383] [2024-11-10 09:49:46,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:49:46,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:49:46,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:46,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:49:46,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:46,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:49:46,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:46,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:49:46,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:46,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:49:46,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:46,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:49:46,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:46,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:49:46,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:46,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:49:46,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:46,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:49:46,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:46,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:49:46,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:46,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:49:46,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:46,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:49:46,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:46,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:49:46,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:46,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:49:46,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:46,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:49:46,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:46,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 09:49:46,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:46,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 09:49:46,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:46,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 09:49:46,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:46,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 09:49:46,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:46,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 09:49:46,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:46,131 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:49:46,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:49:46,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374290383] [2024-11-10 09:49:46,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1374290383] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:49:46,132 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:49:46,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 09:49:46,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883088530] [2024-11-10 09:49:46,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:49:46,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 09:49:46,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:49:46,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 09:49:46,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:49:46,133 INFO L87 Difference]: Start difference. First operand 1101 states and 1556 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 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) [2024-11-10 09:49:46,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:49:46,184 INFO L93 Difference]: Finished difference Result 2239 states and 3159 transitions. [2024-11-10 09:49:46,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 09:49:46,184 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 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 158 [2024-11-10 09:49:46,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:49:46,188 INFO L225 Difference]: With dead ends: 2239 [2024-11-10 09:49:46,188 INFO L226 Difference]: Without dead ends: 1141 [2024-11-10 09:49:46,189 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 [2024-11-10 09:49:46,189 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 0 mSDsluCounter, 675 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 849 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 09:49:46,189 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 849 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 09:49:46,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1141 states. [2024-11-10 09:49:46,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1141 to 1111. [2024-11-10 09:49:46,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1111 states, 1022 states have (on average 1.3874755381604698) internal successors, (1418), 1028 states have internal predecessors, (1418), 74 states have call successors, (74), 14 states have call predecessors, (74), 14 states have return successors, (74), 68 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-10 09:49:46,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1111 states to 1111 states and 1566 transitions. [2024-11-10 09:49:46,221 INFO L78 Accepts]: Start accepts. Automaton has 1111 states and 1566 transitions. Word has length 158 [2024-11-10 09:49:46,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:49:46,222 INFO L471 AbstractCegarLoop]: Abstraction has 1111 states and 1566 transitions. [2024-11-10 09:49:46,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 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) [2024-11-10 09:49:46,222 INFO L276 IsEmpty]: Start isEmpty. Operand 1111 states and 1566 transitions. [2024-11-10 09:49:46,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-10 09:49:46,223 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:49:46,223 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, 1, 1, 1, 1, 1] [2024-11-10 09:49:46,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-10 09:49:46,223 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:49:46,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:49:46,224 INFO L85 PathProgramCache]: Analyzing trace with hash 1012035909, now seen corresponding path program 1 times [2024-11-10 09:49:46,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:49:46,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915522970] [2024-11-10 09:49:46,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:49:46,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:49:46,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:46,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:49:46,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:46,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:49:46,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:46,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:49:46,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:46,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:49:46,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:46,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:49:46,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:46,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:49:46,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:46,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:49:46,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:46,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:49:46,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:46,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:49:46,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:46,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:49:46,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:46,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:49:46,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:46,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:49:46,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:46,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:49:46,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:46,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:49:46,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:46,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 09:49:46,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:46,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 09:49:46,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:46,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 09:49:46,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:46,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 09:49:46,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:46,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 09:49:46,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:46,355 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:49:46,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:49:46,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915522970] [2024-11-10 09:49:46,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915522970] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:49:46,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:49:46,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 09:49:46,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176411016] [2024-11-10 09:49:46,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:49:46,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 09:49:46,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:49:46,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 09:49:46,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 09:49:46,357 INFO L87 Difference]: Start difference. First operand 1111 states and 1566 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 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) [2024-11-10 09:49:46,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:49:46,676 INFO L93 Difference]: Finished difference Result 3107 states and 4328 transitions. [2024-11-10 09:49:46,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 09:49:46,676 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 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 160 [2024-11-10 09:49:46,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:49:46,680 INFO L225 Difference]: With dead ends: 3107 [2024-11-10 09:49:46,681 INFO L226 Difference]: Without dead ends: 1999 [2024-11-10 09:49:46,682 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 [2024-11-10 09:49:46,682 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 139 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 379 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 09:49:46,682 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 347 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 379 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 09:49:46,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1999 states. [2024-11-10 09:49:46,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1999 to 1314. [2024-11-10 09:49:46,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1314 states, 1225 states have (on average 1.333061224489796) internal successors, (1633), 1231 states have internal predecessors, (1633), 74 states have call successors, (74), 14 states have call predecessors, (74), 14 states have return successors, (74), 68 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-10 09:49:46,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1314 states to 1314 states and 1781 transitions. [2024-11-10 09:49:46,737 INFO L78 Accepts]: Start accepts. Automaton has 1314 states and 1781 transitions. Word has length 160 [2024-11-10 09:49:46,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:49:46,737 INFO L471 AbstractCegarLoop]: Abstraction has 1314 states and 1781 transitions. [2024-11-10 09:49:46,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 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) [2024-11-10 09:49:46,738 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1781 transitions. [2024-11-10 09:49:46,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-10 09:49:46,739 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:49:46,739 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, 1, 1, 1, 1, 1] [2024-11-10 09:49:46,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-10 09:49:46,739 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:49:46,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:49:46,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1671841744, now seen corresponding path program 1 times [2024-11-10 09:49:46,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:49:46,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578440162] [2024-11-10 09:49:46,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:49:46,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:49:46,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:47,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:49:47,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:47,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:49:47,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:47,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:49:47,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:47,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:49:47,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:47,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:49:47,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:47,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:49:47,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:47,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:49:47,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:47,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:49:47,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:47,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:49:47,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:47,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:49:47,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:47,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:49:47,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:47,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:49:47,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:47,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:49:47,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:47,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:49:47,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:47,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 09:49:47,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:47,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 09:49:47,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:47,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 09:49:47,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:47,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 09:49:47,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:47,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 09:49:47,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:47,111 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:49:47,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:49:47,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578440162] [2024-11-10 09:49:47,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578440162] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:49:47,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:49:47,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 09:49:47,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332906157] [2024-11-10 09:49:47,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:49:47,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 09:49:47,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:49:47,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 09:49:47,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-10 09:49:47,112 INFO L87 Difference]: Start difference. First operand 1314 states and 1781 transitions. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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) [2024-11-10 09:49:47,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:49:47,687 INFO L93 Difference]: Finished difference Result 2825 states and 3729 transitions. [2024-11-10 09:49:47,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 09:49:47,687 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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 160 [2024-11-10 09:49:47,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:49:47,693 INFO L225 Difference]: With dead ends: 2825 [2024-11-10 09:49:47,693 INFO L226 Difference]: Without dead ends: 2822 [2024-11-10 09:49:47,694 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2024-11-10 09:49:47,694 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 266 mSDsluCounter, 750 mSDsCounter, 0 mSdLazyCounter, 693 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 870 SdHoareTripleChecker+Invalid, 782 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 09:49:47,694 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 870 Invalid, 782 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 693 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 09:49:47,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2822 states. [2024-11-10 09:49:47,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2822 to 2376. [2024-11-10 09:49:47,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2376 states, 2207 states have (on average 1.2976891708201177) internal successors, (2864), 2221 states have internal predecessors, (2864), 140 states have call successors, (140), 28 states have call predecessors, (140), 28 states have return successors, (140), 126 states have call predecessors, (140), 140 states have call successors, (140) [2024-11-10 09:49:47,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2376 states to 2376 states and 3144 transitions. [2024-11-10 09:49:47,767 INFO L78 Accepts]: Start accepts. Automaton has 2376 states and 3144 transitions. Word has length 160 [2024-11-10 09:49:47,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:49:47,767 INFO L471 AbstractCegarLoop]: Abstraction has 2376 states and 3144 transitions. [2024-11-10 09:49:47,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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) [2024-11-10 09:49:47,768 INFO L276 IsEmpty]: Start isEmpty. Operand 2376 states and 3144 transitions. [2024-11-10 09:49:47,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-10 09:49:47,770 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:49:47,770 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, 1, 1, 1, 1, 1, 1] [2024-11-10 09:49:47,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-10 09:49:47,770 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:49:47,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:49:47,770 INFO L85 PathProgramCache]: Analyzing trace with hash 638561078, now seen corresponding path program 1 times [2024-11-10 09:49:47,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:49:47,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834520038] [2024-11-10 09:49:47,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:49:47,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:49:47,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:48,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:49:48,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:48,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:49:48,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:48,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:49:48,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:48,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:49:48,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:48,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:49:48,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:48,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:49:48,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:48,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:49:48,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:48,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:49:48,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:48,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:49:48,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:48,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:49:48,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:48,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:49:48,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:48,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:49:48,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:48,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:49:48,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:48,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:49:48,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:48,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 09:49:48,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:48,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 09:49:48,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:48,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 09:49:48,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:48,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 09:49:48,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:48,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 09:49:48,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:48,817 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:49:48,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:49:48,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834520038] [2024-11-10 09:49:48,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834520038] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:49:48,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:49:48,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-10 09:49:48,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338881723] [2024-11-10 09:49:48,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:49:48,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-10 09:49:48,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:49:48,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-10 09:49:48,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-10 09:49:48,819 INFO L87 Difference]: Start difference. First operand 2376 states and 3144 transitions. Second operand has 10 states, 8 states have (on average 8.625) internal successors, (69), 10 states have internal predecessors, (69), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-10 09:49:49,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:49:49,970 INFO L93 Difference]: Finished difference Result 5352 states and 7034 transitions. [2024-11-10 09:49:49,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 09:49:49,970 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 8.625) internal successors, (69), 10 states have internal predecessors, (69), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) Word has length 161 [2024-11-10 09:49:49,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:49:49,976 INFO L225 Difference]: With dead ends: 5352 [2024-11-10 09:49:49,976 INFO L226 Difference]: Without dead ends: 2979 [2024-11-10 09:49:49,979 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-10 09:49:49,979 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 149 mSDsluCounter, 1100 mSDsCounter, 0 mSdLazyCounter, 1162 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 1329 SdHoareTripleChecker+Invalid, 1173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-10 09:49:49,980 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 1329 Invalid, 1173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1162 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-10 09:49:49,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2979 states. [2024-11-10 09:49:50,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2979 to 2456. [2024-11-10 09:49:50,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2456 states, 2269 states have (on average 1.2904363155575143) internal successors, (2928), 2285 states have internal predecessors, (2928), 152 states have call successors, (152), 34 states have call predecessors, (152), 34 states have return successors, (152), 136 states have call predecessors, (152), 152 states have call successors, (152) [2024-11-10 09:49:50,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2456 states to 2456 states and 3232 transitions. [2024-11-10 09:49:50,075 INFO L78 Accepts]: Start accepts. Automaton has 2456 states and 3232 transitions. Word has length 161 [2024-11-10 09:49:50,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:49:50,076 INFO L471 AbstractCegarLoop]: Abstraction has 2456 states and 3232 transitions. [2024-11-10 09:49:50,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 8.625) internal successors, (69), 10 states have internal predecessors, (69), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-10 09:49:50,076 INFO L276 IsEmpty]: Start isEmpty. Operand 2456 states and 3232 transitions. [2024-11-10 09:49:50,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-10 09:49:50,078 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:49:50,078 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:49:50,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-10 09:49:50,078 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:49:50,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:49:50,078 INFO L85 PathProgramCache]: Analyzing trace with hash 387070446, now seen corresponding path program 1 times [2024-11-10 09:49:50,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:49:50,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390612578] [2024-11-10 09:49:50,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:49:50,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:49:50,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:50,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:49:50,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:50,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:49:50,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:50,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:49:50,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:50,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:49:50,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:50,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:49:50,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:50,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:49:50,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:50,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:49:50,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:50,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:49:50,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:50,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:49:50,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:50,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:49:50,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:50,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:49:50,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:50,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:49:50,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:50,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:49:50,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:50,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:49:50,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:50,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 09:49:50,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:50,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 09:49:50,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:50,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 09:49:50,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:50,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 09:49:50,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:50,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 09:49:50,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:50,597 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:49:50,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:49:50,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390612578] [2024-11-10 09:49:50,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390612578] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:49:50,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:49:50,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 09:49:50,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528542269] [2024-11-10 09:49:50,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:49:50,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 09:49:50,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:49:50,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 09:49:50,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:49:50,599 INFO L87 Difference]: Start difference. First operand 2456 states and 3232 transitions. Second operand has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 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) [2024-11-10 09:49:51,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:49:51,047 INFO L93 Difference]: Finished difference Result 7140 states and 9391 transitions. [2024-11-10 09:49:51,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 09:49:51,048 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 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 162 [2024-11-10 09:49:51,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:49:51,055 INFO L225 Difference]: With dead ends: 7140 [2024-11-10 09:49:51,055 INFO L226 Difference]: Without dead ends: 4687 [2024-11-10 09:49:51,058 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-10 09:49:51,058 INFO L432 NwaCegarLoop]: 233 mSDtfsCounter, 152 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 682 SdHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 09:49:51,059 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 682 Invalid, 407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 09:49:51,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4687 states. [2024-11-10 09:49:51,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4687 to 4680. [2024-11-10 09:49:51,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4680 states, 4335 states have (on average 1.2844290657439446) internal successors, (5568), 4369 states have internal predecessors, (5568), 276 states have call successors, (276), 68 states have call predecessors, (276), 68 states have return successors, (276), 242 states have call predecessors, (276), 276 states have call successors, (276) [2024-11-10 09:49:51,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4680 states to 4680 states and 6120 transitions. [2024-11-10 09:49:51,255 INFO L78 Accepts]: Start accepts. Automaton has 4680 states and 6120 transitions. Word has length 162 [2024-11-10 09:49:51,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:49:51,256 INFO L471 AbstractCegarLoop]: Abstraction has 4680 states and 6120 transitions. [2024-11-10 09:49:51,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 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) [2024-11-10 09:49:51,256 INFO L276 IsEmpty]: Start isEmpty. Operand 4680 states and 6120 transitions. [2024-11-10 09:49:51,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-10 09:49:51,259 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:49:51,260 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:49:51,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-10 09:49:51,260 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:49:51,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:49:51,260 INFO L85 PathProgramCache]: Analyzing trace with hash -185844221, now seen corresponding path program 1 times [2024-11-10 09:49:51,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:49:51,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403372777] [2024-11-10 09:49:51,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:49:51,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:49:51,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:51,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:49:51,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:51,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:49:51,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:51,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:49:51,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:51,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:49:51,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:51,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:49:51,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:51,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:49:51,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:51,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:49:51,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:51,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:49:51,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:51,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:49:51,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:51,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:49:51,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:51,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:49:51,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:51,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:49:51,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:51,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:49:51,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:51,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:49:51,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:51,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 09:49:51,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:51,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 09:49:51,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:51,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 09:49:51,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:51,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 09:49:51,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:51,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 09:49:51,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:51,931 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:49:51,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:49:51,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403372777] [2024-11-10 09:49:51,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403372777] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:49:51,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:49:51,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 09:49:51,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346907934] [2024-11-10 09:49:51,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:49:51,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 09:49:51,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:49:51,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 09:49:51,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:49:51,933 INFO L87 Difference]: Start difference. First operand 4680 states and 6120 transitions. Second operand has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 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) [2024-11-10 09:49:52,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:49:52,457 INFO L93 Difference]: Finished difference Result 7326 states and 9632 transitions. [2024-11-10 09:49:52,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 09:49:52,458 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 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 162 [2024-11-10 09:49:52,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:49:52,465 INFO L225 Difference]: With dead ends: 7326 [2024-11-10 09:49:52,465 INFO L226 Difference]: Without dead ends: 4821 [2024-11-10 09:49:52,468 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-10 09:49:52,468 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 78 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 576 SdHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 09:49:52,468 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 576 Invalid, 409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 403 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 09:49:52,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4821 states. [2024-11-10 09:49:52,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4821 to 4680. [2024-11-10 09:49:52,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4680 states, 4335 states have (on average 1.2816608996539793) internal successors, (5556), 4369 states have internal predecessors, (5556), 276 states have call successors, (276), 68 states have call predecessors, (276), 68 states have return successors, (276), 242 states have call predecessors, (276), 276 states have call successors, (276) [2024-11-10 09:49:52,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4680 states to 4680 states and 6108 transitions. [2024-11-10 09:49:52,695 INFO L78 Accepts]: Start accepts. Automaton has 4680 states and 6108 transitions. Word has length 162 [2024-11-10 09:49:52,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:49:52,695 INFO L471 AbstractCegarLoop]: Abstraction has 4680 states and 6108 transitions. [2024-11-10 09:49:52,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 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) [2024-11-10 09:49:52,695 INFO L276 IsEmpty]: Start isEmpty. Operand 4680 states and 6108 transitions. [2024-11-10 09:49:52,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-10 09:49:52,698 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:49:52,698 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:49:52,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-10 09:49:52,699 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:49:52,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:49:52,699 INFO L85 PathProgramCache]: Analyzing trace with hash -479247228, now seen corresponding path program 1 times [2024-11-10 09:49:52,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:49:52,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101365001] [2024-11-10 09:49:52,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:49:52,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:49:52,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:52,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:49:52,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:52,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:49:52,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:52,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:49:52,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:52,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:49:52,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:52,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:49:52,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:52,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:49:52,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:52,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:49:52,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:52,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:49:52,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:52,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:49:52,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:52,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:49:52,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:52,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:49:52,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:52,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:49:52,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:52,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:49:52,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:52,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:49:52,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:52,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 09:49:52,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:52,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 09:49:52,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:52,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 09:49:52,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:52,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 09:49:52,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:52,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 09:49:52,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:52,832 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:49:52,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:49:52,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101365001] [2024-11-10 09:49:52,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2101365001] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:49:52,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:49:52,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 09:49:52,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044247074] [2024-11-10 09:49:52,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:49:52,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 09:49:52,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:49:52,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 09:49:52,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-10 09:49:52,833 INFO L87 Difference]: Start difference. First operand 4680 states and 6108 transitions. Second operand has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 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) [2024-11-10 09:49:53,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:49:53,023 INFO L93 Difference]: Finished difference Result 9497 states and 12381 transitions. [2024-11-10 09:49:53,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 09:49:53,024 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 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 162 [2024-11-10 09:49:53,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:49:53,031 INFO L225 Difference]: With dead ends: 9497 [2024-11-10 09:49:53,031 INFO L226 Difference]: Without dead ends: 4820 [2024-11-10 09:49:53,036 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 [2024-11-10 09:49:53,036 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 0 mSDsluCounter, 840 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1013 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 09:49:53,037 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1013 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 09:49:53,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4820 states. [2024-11-10 09:49:53,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4820 to 4660. [2024-11-10 09:49:53,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4660 states, 4315 states have (on average 1.2801853997682502) internal successors, (5524), 4349 states have internal predecessors, (5524), 276 states have call successors, (276), 68 states have call predecessors, (276), 68 states have return successors, (276), 242 states have call predecessors, (276), 276 states have call successors, (276) [2024-11-10 09:49:53,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4660 states to 4660 states and 6076 transitions. [2024-11-10 09:49:53,231 INFO L78 Accepts]: Start accepts. Automaton has 4660 states and 6076 transitions. Word has length 162 [2024-11-10 09:49:53,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:49:53,231 INFO L471 AbstractCegarLoop]: Abstraction has 4660 states and 6076 transitions. [2024-11-10 09:49:53,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 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) [2024-11-10 09:49:53,231 INFO L276 IsEmpty]: Start isEmpty. Operand 4660 states and 6076 transitions. [2024-11-10 09:49:53,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-10 09:49:53,234 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:49:53,234 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:49:53,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-10 09:49:53,234 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:49:53,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:49:53,234 INFO L85 PathProgramCache]: Analyzing trace with hash 398386573, now seen corresponding path program 1 times [2024-11-10 09:49:53,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:49:53,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076488675] [2024-11-10 09:49:53,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:49:53,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:49:53,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:53,824 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:49:53,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:53,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:49:53,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:53,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:49:53,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:53,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:49:53,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:53,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:49:53,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:53,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:49:53,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:53,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:49:53,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:53,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:49:53,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:53,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:49:53,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:53,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:49:53,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:53,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:49:53,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:53,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:49:53,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:53,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:49:53,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:53,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:49:53,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:53,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 09:49:53,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:53,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 09:49:53,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:53,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 09:49:53,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:53,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 09:49:53,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:53,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 09:49:53,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:53,835 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:49:53,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:49:53,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076488675] [2024-11-10 09:49:53,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076488675] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:49:53,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:49:53,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 09:49:53,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030539383] [2024-11-10 09:49:53,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:49:53,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 09:49:53,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:49:53,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 09:49:53,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-10 09:49:53,836 INFO L87 Difference]: Start difference. First operand 4660 states and 6076 transitions. Second operand has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 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) [2024-11-10 09:49:54,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:49:54,346 INFO L93 Difference]: Finished difference Result 10390 states and 13492 transitions. [2024-11-10 09:49:54,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 09:49:54,347 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 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 162 [2024-11-10 09:49:54,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:49:54,355 INFO L225 Difference]: With dead ends: 10390 [2024-11-10 09:49:54,356 INFO L226 Difference]: Without dead ends: 5733 [2024-11-10 09:49:54,361 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-10 09:49:54,362 INFO L432 NwaCegarLoop]: 242 mSDtfsCounter, 158 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 701 SdHoareTripleChecker+Invalid, 437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-10 09:49:54,362 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 701 Invalid, 437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-10 09:49:54,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5733 states. [2024-11-10 09:49:54,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5733 to 5708. [2024-11-10 09:49:54,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5708 states, 5274 states have (on average 1.2675388699279484) internal successors, (6685), 5317 states have internal predecessors, (6685), 346 states have call successors, (346), 87 states have call predecessors, (346), 87 states have return successors, (346), 303 states have call predecessors, (346), 346 states have call successors, (346) [2024-11-10 09:49:54,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5708 states to 5708 states and 7377 transitions. [2024-11-10 09:49:54,629 INFO L78 Accepts]: Start accepts. Automaton has 5708 states and 7377 transitions. Word has length 162 [2024-11-10 09:49:54,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:49:54,629 INFO L471 AbstractCegarLoop]: Abstraction has 5708 states and 7377 transitions. [2024-11-10 09:49:54,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 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) [2024-11-10 09:49:54,629 INFO L276 IsEmpty]: Start isEmpty. Operand 5708 states and 7377 transitions. [2024-11-10 09:49:54,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-10 09:49:54,632 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:49:54,632 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 09:49:54,632 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-10 09:49:54,632 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:49:54,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:49:54,632 INFO L85 PathProgramCache]: Analyzing trace with hash 2099019234, now seen corresponding path program 1 times [2024-11-10 09:49:54,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:49:54,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498437393] [2024-11-10 09:49:54,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:49:54,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:49:54,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:54,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:49:54,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:54,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:49:54,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:54,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:49:54,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:54,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:49:54,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:54,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:49:54,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:54,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:49:54,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:54,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:49:54,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:54,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:49:54,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:54,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:49:54,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:54,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:49:54,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:54,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:49:54,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:54,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:49:54,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:54,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:49:54,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:54,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:49:54,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:54,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 09:49:54,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:54,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 09:49:54,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:54,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 09:49:54,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:54,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 09:49:54,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:54,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 09:49:54,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:49:54,791 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-10 09:49:54,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:49:54,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498437393] [2024-11-10 09:49:54,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498437393] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:49:54,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:49:54,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 09:49:54,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671371630] [2024-11-10 09:49:54,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:49:54,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 09:49:54,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:49:54,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 09:49:54,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 09:49:54,792 INFO L87 Difference]: Start difference. First operand 5708 states and 7377 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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) [2024-11-10 09:49:55,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:49:55,010 INFO L93 Difference]: Finished difference Result 11413 states and 14751 transitions. [2024-11-10 09:49:55,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 09:49:55,010 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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 162 [2024-11-10 09:49:55,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:49:55,019 INFO L225 Difference]: With dead ends: 11413 [2024-11-10 09:49:55,019 INFO L226 Difference]: Without dead ends: 5708 [2024-11-10 09:49:55,025 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 [2024-11-10 09:49:55,026 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 1 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 09:49:55,026 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 511 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 09:49:55,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5708 states.