./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_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-sp_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 dac49eff911c415c5e3abe3f83531cb71a1bf616fed1a86cc9f731a40011a721 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 09:59:13,868 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 09:59:13,938 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-10 09:59:13,942 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 09:59:13,942 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 09:59:13,962 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 09:59:13,963 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 09:59:13,965 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 09:59:13,966 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 09:59:13,967 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 09:59:13,967 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 09:59:13,968 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 09:59:13,968 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 09:59:13,968 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 09:59:13,969 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 09:59:13,969 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 09:59:13,971 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 09:59:13,972 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 09:59:13,972 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 09:59:13,972 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 09:59:13,972 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 09:59:13,976 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 09:59:13,977 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 09:59:13,977 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 09:59:13,977 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 09:59:13,977 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 09:59:13,977 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 09:59:13,978 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 09:59:13,978 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 09:59:13,978 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 09:59:13,978 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 09:59:13,978 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 09:59:13,979 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 09:59:13,979 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 09:59:13,979 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 09:59:13,979 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 09:59:13,979 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 09:59:13,980 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 09:59:13,980 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 09:59:13,981 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 09:59:13,981 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 09:59:13,982 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 09:59:13,982 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dac49eff911c415c5e3abe3f83531cb71a1bf616fed1a86cc9f731a40011a721 [2024-11-10 09:59:14,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 09:59:14,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 09:59:14,277 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 09:59:14,278 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 09:59:14,279 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 09:59:14,280 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-56.i [2024-11-10 09:59:15,807 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 09:59:16,062 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 09:59:16,063 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-56.i [2024-11-10 09:59:16,080 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b94f34f6e/c043b8b00a2343bbb8fad47e068a49cb/FLAG2e6975afc [2024-11-10 09:59:16,093 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b94f34f6e/c043b8b00a2343bbb8fad47e068a49cb [2024-11-10 09:59:16,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 09:59:16,097 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 09:59:16,098 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 09:59:16,099 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 09:59:16,104 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 09:59:16,105 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:59:16" (1/1) ... [2024-11-10 09:59:16,106 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ad432d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:16, skipping insertion in model container [2024-11-10 09:59:16,106 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:59:16" (1/1) ... [2024-11-10 09:59:16,143 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 09:59:16,339 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-sp_file-56.i[917,930] [2024-11-10 09:59:16,409 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 09:59:16,421 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 09:59:16,431 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-sp_file-56.i[917,930] [2024-11-10 09:59:16,466 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 09:59:16,496 INFO L204 MainTranslator]: Completed translation [2024-11-10 09:59:16,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:16 WrapperNode [2024-11-10 09:59:16,497 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 09:59:16,498 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 09:59:16,498 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 09:59:16,498 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 09:59:16,504 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:16" (1/1) ... [2024-11-10 09:59:16,518 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:16" (1/1) ... [2024-11-10 09:59:16,561 INFO L138 Inliner]: procedures = 30, calls = 178, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 584 [2024-11-10 09:59:16,562 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 09:59:16,562 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 09:59:16,562 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 09:59:16,563 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 09:59:16,572 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:16" (1/1) ... [2024-11-10 09:59:16,573 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:16" (1/1) ... [2024-11-10 09:59:16,581 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:16" (1/1) ... [2024-11-10 09:59:16,589 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-10 09:59:16,589 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:16" (1/1) ... [2024-11-10 09:59:16,590 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:16" (1/1) ... [2024-11-10 09:59:16,616 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:16" (1/1) ... [2024-11-10 09:59:16,619 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:16" (1/1) ... [2024-11-10 09:59:16,626 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:16" (1/1) ... [2024-11-10 09:59:16,636 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:16" (1/1) ... [2024-11-10 09:59:16,650 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 09:59:16,651 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 09:59:16,651 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 09:59:16,651 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 09:59:16,652 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:16" (1/1) ... [2024-11-10 09:59:16,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 09:59:16,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 09:59:16,695 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 09:59:16,698 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 09:59:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 09:59:16,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-10 09:59:16,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-10 09:59:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-10 09:59:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-10 09:59:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-10 09:59:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-10 09:59:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 09:59:16,749 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 09:59:16,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-10 09:59:16,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 09:59:16,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 09:59:16,880 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 09:59:16,882 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 09:59:17,514 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L139: 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 09:59:17,563 INFO L? ?]: Removed 158 outVars from TransFormulas that were not future-live. [2024-11-10 09:59:17,563 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 09:59:17,595 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 09:59:17,595 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 09:59:17,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:59:17 BoogieIcfgContainer [2024-11-10 09:59:17,597 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 09:59:17,599 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 09:59:17,599 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 09:59:17,604 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 09:59:17,604 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 09:59:16" (1/3) ... [2024-11-10 09:59:17,605 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59690f36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:59:17, skipping insertion in model container [2024-11-10 09:59:17,606 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:59:16" (2/3) ... [2024-11-10 09:59:17,607 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59690f36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:59:17, skipping insertion in model container [2024-11-10 09:59:17,607 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:59:17" (3/3) ... [2024-11-10 09:59:17,608 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-56.i [2024-11-10 09:59:17,627 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 09:59:17,627 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 09:59:17,688 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 09:59:17,717 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;@3d3dbd2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 09:59:17,717 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 09:59:17,722 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 09:59:17,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-10 09:59:17,736 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:59:17,737 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 09:59:17,738 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:59:17,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:59:17,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1593093983, now seen corresponding path program 1 times [2024-11-10 09:59:17,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:59:17,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974805251] [2024-11-10 09:59:17,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:59:17,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:59:18,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:18,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:59:18,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:18,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:59:18,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:18,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:59:18,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:18,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:59:18,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:18,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:59:18,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:18,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:59:18,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:18,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:59:18,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:18,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:59:18,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:18,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:59:18,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:18,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:59:18,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:18,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:59:18,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:18,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:59:18,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:18,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:59:18,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:18,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:59:18,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:18,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 09:59:18,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:18,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 09:59:18,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:18,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 09:59:18,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:18,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 09:59:18,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:18,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 09:59:18,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:18,308 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 09:59:18,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:59:18,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974805251] [2024-11-10 09:59:18,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974805251] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:59:18,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:59:18,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 09:59:18,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519309937] [2024-11-10 09:59:18,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:59:18,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 09:59:18,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:59:18,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 09:59:18,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 09:59:18,351 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 09:59:18,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:59:18,396 INFO L93 Difference]: Finished difference Result 250 states and 392 transitions. [2024-11-10 09:59:18,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 09:59:18,400 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 09:59:18,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:59:18,411 INFO L225 Difference]: With dead ends: 250 [2024-11-10 09:59:18,411 INFO L226 Difference]: Without dead ends: 124 [2024-11-10 09:59:18,416 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 09:59:18,419 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 09:59:18,422 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 09:59:18,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-10 09:59:18,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2024-11-10 09:59:18,465 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 09:59:18,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 182 transitions. [2024-11-10 09:59:18,469 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 182 transitions. Word has length 153 [2024-11-10 09:59:18,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:59:18,470 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 182 transitions. [2024-11-10 09:59:18,470 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 09:59:18,471 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 182 transitions. [2024-11-10 09:59:18,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-10 09:59:18,475 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:59:18,476 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 09:59:18,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 09:59:18,476 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:59:18,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:59:18,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1395570744, now seen corresponding path program 1 times [2024-11-10 09:59:18,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:59:18,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434711824] [2024-11-10 09:59:18,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:59:18,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:59:18,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:21,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:59:21,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:21,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:59:21,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:21,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:59:21,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:21,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:59:21,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:21,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:59:21,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:21,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:59:21,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:21,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:59:21,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:21,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:59:21,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:21,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:59:21,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:21,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:59:21,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:21,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:59:21,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:21,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:59:21,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:21,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:59:21,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:21,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:59:21,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:21,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 09:59:21,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:21,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 09:59:21,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:21,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 09:59:21,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:21,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 09:59:21,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:21,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 09:59:21,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:21,234 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 09:59:21,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:59:21,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434711824] [2024-11-10 09:59:21,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434711824] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:59:21,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:59:21,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-10 09:59:21,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349425117] [2024-11-10 09:59:21,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:59:21,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-10 09:59:21,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:59:21,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-10 09:59:21,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-11-10 09:59:21,240 INFO L87 Difference]: Start difference. First operand 124 states and 182 transitions. Second operand has 16 states, 16 states have (on average 3.8125) internal successors, (61), 16 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 09:59:23,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:59:23,184 INFO L93 Difference]: Finished difference Result 492 states and 727 transitions. [2024-11-10 09:59:23,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 09:59:23,203 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.8125) internal successors, (61), 16 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 09:59:23,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:59:23,212 INFO L225 Difference]: With dead ends: 492 [2024-11-10 09:59:23,215 INFO L226 Difference]: Without dead ends: 371 [2024-11-10 09:59:23,217 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=117, Invalid=533, Unknown=0, NotChecked=0, Total=650 [2024-11-10 09:59:23,218 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 826 mSDsluCounter, 1071 mSDsCounter, 0 mSdLazyCounter, 1551 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 826 SdHoareTripleChecker+Valid, 1189 SdHoareTripleChecker+Invalid, 1634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 1551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-10 09:59:23,221 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [826 Valid, 1189 Invalid, 1634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 1551 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-10 09:59:23,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2024-11-10 09:59:23,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 202. [2024-11-10 09:59:23,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 161 states have (on average 1.3850931677018634) internal successors, (223), 161 states have internal predecessors, (223), 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 09:59:23,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 299 transitions. [2024-11-10 09:59:23,256 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 299 transitions. Word has length 153 [2024-11-10 09:59:23,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:59:23,257 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 299 transitions. [2024-11-10 09:59:23,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.8125) internal successors, (61), 16 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 09:59:23,258 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 299 transitions. [2024-11-10 09:59:23,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-10 09:59:23,260 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:59:23,260 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] [2024-11-10 09:59:23,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 09:59:23,261 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:59:23,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:59:23,261 INFO L85 PathProgramCache]: Analyzing trace with hash -28083407, now seen corresponding path program 1 times [2024-11-10 09:59:23,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:59:23,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827896660] [2024-11-10 09:59:23,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:59:23,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:59:23,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:59:23,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:59:23,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:59:23,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:59:23,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:59:23,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:59:23,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:59:23,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:59:23,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:59:23,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:59:23,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:59:23,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:59:23,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:59:23,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:59:23,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 09:59:23,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 09:59:23,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 09:59:23,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 09:59:23,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 09:59:23,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,419 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 09:59:23,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:59:23,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827896660] [2024-11-10 09:59:23,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827896660] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:59:23,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:59:23,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 09:59:23,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346152342] [2024-11-10 09:59:23,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:59:23,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 09:59:23,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:59:23,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 09:59:23,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 09:59:23,423 INFO L87 Difference]: Start difference. First operand 202 states and 299 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 09:59:23,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:59:23,523 INFO L93 Difference]: Finished difference Result 324 states and 480 transitions. [2024-11-10 09:59:23,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 09:59:23,524 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 09:59:23,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:59:23,526 INFO L225 Difference]: With dead ends: 324 [2024-11-10 09:59:23,526 INFO L226 Difference]: Without dead ends: 203 [2024-11-10 09:59:23,527 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 09:59:23,528 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 09:59:23,528 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 09:59:23,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2024-11-10 09:59:23,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2024-11-10 09:59:23,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 162 states have (on average 1.376543209876543) internal successors, (223), 162 states have internal predecessors, (223), 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 09:59:23,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 299 transitions. [2024-11-10 09:59:23,557 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 299 transitions. Word has length 154 [2024-11-10 09:59:23,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:59:23,558 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 299 transitions. [2024-11-10 09:59:23,558 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 09:59:23,558 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 299 transitions. [2024-11-10 09:59:23,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-10 09:59:23,560 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:59:23,560 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 09:59:23,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 09:59:23,561 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:59:23,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:59:23,561 INFO L85 PathProgramCache]: Analyzing trace with hash -1194614058, now seen corresponding path program 1 times [2024-11-10 09:59:23,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:59:23,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798284525] [2024-11-10 09:59:23,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:59:23,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:59:23,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:59:23,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:59:23,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:59:23,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:59:23,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:59:23,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:59:23,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:59:23,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:59:23,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:59:23,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:59:23,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:59:23,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:59:23,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:59:23,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:59:23,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 09:59:23,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 09:59:23,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 09:59:23,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 09:59:23,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 09:59:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,710 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 09:59:23,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:59:23,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798284525] [2024-11-10 09:59:23,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798284525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:59:23,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:59:23,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 09:59:23,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712367637] [2024-11-10 09:59:23,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:59:23,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 09:59:23,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:59:23,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 09:59:23,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 09:59:23,713 INFO L87 Difference]: Start difference. First operand 203 states and 299 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 09:59:23,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:59:23,792 INFO L93 Difference]: Finished difference Result 326 states and 481 transitions. [2024-11-10 09:59:23,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 09:59:23,793 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 09:59:23,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:59:23,795 INFO L225 Difference]: With dead ends: 326 [2024-11-10 09:59:23,795 INFO L226 Difference]: Without dead ends: 204 [2024-11-10 09:59:23,795 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 09:59:23,797 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 09:59:23,797 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 09:59:23,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-11-10 09:59:23,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204. [2024-11-10 09:59:23,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 163 states have (on average 1.3680981595092025) internal successors, (223), 163 states have internal predecessors, (223), 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 09:59:23,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 299 transitions. [2024-11-10 09:59:23,814 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 299 transitions. Word has length 154 [2024-11-10 09:59:23,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:59:23,815 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 299 transitions. [2024-11-10 09:59:23,815 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 09:59:23,815 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 299 transitions. [2024-11-10 09:59:23,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-10 09:59:23,817 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:59:23,817 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 09:59:23,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 09:59:23,817 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:59:23,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:59:23,818 INFO L85 PathProgramCache]: Analyzing trace with hash -1179658593, now seen corresponding path program 1 times [2024-11-10 09:59:23,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:59:23,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945276389] [2024-11-10 09:59:23,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:59:23,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:59:23,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:59:23,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:59:23,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:59:23,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:59:23,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:59:23,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:59:23,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:59:23,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:59:23,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:59:23,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:59:23,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:59:23,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:59:23,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:59:23,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:59:23,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 09:59:23,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 09:59:23,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 09:59:23,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 09:59:23,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 09:59:23,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:23,958 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 09:59:23,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:59:23,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945276389] [2024-11-10 09:59:23,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945276389] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:59:23,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:59:23,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 09:59:23,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060648367] [2024-11-10 09:59:23,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:59:23,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 09:59:23,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:59:23,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 09:59:23,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 09:59:23,961 INFO L87 Difference]: Start difference. First operand 204 states and 299 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 09:59:24,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:59:24,045 INFO L93 Difference]: Finished difference Result 327 states and 480 transitions. [2024-11-10 09:59:24,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 09:59:24,045 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 09:59:24,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:59:24,048 INFO L225 Difference]: With dead ends: 327 [2024-11-10 09:59:24,048 INFO L226 Difference]: Without dead ends: 204 [2024-11-10 09:59:24,048 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 09:59:24,049 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 09:59:24,049 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 09:59:24,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-11-10 09:59:24,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204. [2024-11-10 09:59:24,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 163 states have (on average 1.361963190184049) internal successors, (222), 163 states have internal predecessors, (222), 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 09:59:24,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 298 transitions. [2024-11-10 09:59:24,074 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 298 transitions. Word has length 154 [2024-11-10 09:59:24,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:59:24,075 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 298 transitions. [2024-11-10 09:59:24,075 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 09:59:24,075 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 298 transitions. [2024-11-10 09:59:24,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-11-10 09:59:24,077 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:59:24,078 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] [2024-11-10 09:59:24,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 09:59:24,078 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:59:24,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:59:24,079 INFO L85 PathProgramCache]: Analyzing trace with hash 801901686, now seen corresponding path program 1 times [2024-11-10 09:59:24,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:59:24,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367005926] [2024-11-10 09:59:24,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:59:24,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:59:24,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:24,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:59:24,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:24,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:59:24,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:24,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:59:24,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:24,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:59:24,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:24,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:59:24,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:24,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:59:24,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:24,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:59:24,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:24,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:59:24,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:24,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:59:24,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:24,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:59:24,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:24,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:59:24,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:24,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:59:24,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:24,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:59:24,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:24,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:59:24,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:24,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 09:59:24,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:24,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 09:59:24,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:24,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 09:59:24,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:24,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 09:59:24,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:24,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 09:59:24,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:24,226 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 09:59:24,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:59:24,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367005926] [2024-11-10 09:59:24,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367005926] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:59:24,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:59:24,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 09:59:24,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871403175] [2024-11-10 09:59:24,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:59:24,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 09:59:24,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:59:24,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 09:59:24,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 09:59:24,230 INFO L87 Difference]: Start difference. First operand 204 states and 298 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 09:59:24,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:59:24,322 INFO L93 Difference]: Finished difference Result 327 states and 478 transitions. [2024-11-10 09:59:24,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 09:59:24,323 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 09:59:24,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:59:24,325 INFO L225 Difference]: With dead ends: 327 [2024-11-10 09:59:24,325 INFO L226 Difference]: Without dead ends: 204 [2024-11-10 09:59:24,326 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 09:59:24,328 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 09:59:24,329 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 09:59:24,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-11-10 09:59:24,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204. [2024-11-10 09:59:24,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 163 states have (on average 1.3558282208588956) internal successors, (221), 163 states have internal predecessors, (221), 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 09:59:24,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 297 transitions. [2024-11-10 09:59:24,348 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 297 transitions. Word has length 154 [2024-11-10 09:59:24,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:59:24,349 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 297 transitions. [2024-11-10 09:59:24,349 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 09:59:24,349 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 297 transitions. [2024-11-10 09:59:24,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-10 09:59:24,351 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:59:24,351 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 09:59:24,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 09:59:24,351 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:59:24,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:59:24,351 INFO L85 PathProgramCache]: Analyzing trace with hash -942802349, now seen corresponding path program 1 times [2024-11-10 09:59:24,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:59:24,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843324015] [2024-11-10 09:59:24,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:59:24,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:59:24,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:24,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:59:24,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:24,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:59:24,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:24,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:59:24,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:24,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:59:24,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:24,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:59:24,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:24,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:59:24,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:24,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:59:24,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:24,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:59:24,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:24,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:59:24,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:24,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:59:24,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:24,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:59:24,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:24,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:59:24,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:24,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:59:24,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:24,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:59:24,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:24,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 09:59:24,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:24,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 09:59:24,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:24,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 09:59:24,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:24,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 09:59:24,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:24,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 09:59:24,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:24,606 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 09:59:24,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:59:24,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843324015] [2024-11-10 09:59:24,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843324015] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:59:24,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:59:24,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 09:59:24,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577772541] [2024-11-10 09:59:24,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:59:24,608 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 09:59:24,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:59:24,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 09:59:24,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 09:59:24,609 INFO L87 Difference]: Start difference. First operand 204 states and 297 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 09:59:24,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:59:24,648 INFO L93 Difference]: Finished difference Result 330 states and 480 transitions. [2024-11-10 09:59:24,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 09:59:24,649 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 09:59:24,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:59:24,651 INFO L225 Difference]: With dead ends: 330 [2024-11-10 09:59:24,651 INFO L226 Difference]: Without dead ends: 207 [2024-11-10 09:59:24,651 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 09:59:24,652 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 09:59:24,652 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 09:59:24,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-11-10 09:59:24,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2024-11-10 09:59:24,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 166 states have (on average 1.3493975903614457) internal successors, (224), 166 states have internal predecessors, (224), 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 09:59:24,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 300 transitions. [2024-11-10 09:59:24,666 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 300 transitions. Word has length 155 [2024-11-10 09:59:24,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:59:24,666 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 300 transitions. [2024-11-10 09:59:24,666 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 09:59:24,666 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 300 transitions. [2024-11-10 09:59:24,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-10 09:59:24,668 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:59:24,668 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 09:59:24,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 09:59:24,668 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:59:24,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:59:24,669 INFO L85 PathProgramCache]: Analyzing trace with hash -376280693, now seen corresponding path program 1 times [2024-11-10 09:59:24,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:59:24,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648382216] [2024-11-10 09:59:24,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:59:24,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:59:24,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:29,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:59:29,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:29,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:59:29,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:29,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:59:29,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:29,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:59:29,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:29,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:59:29,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:29,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:59:29,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:30,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:59:30,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:30,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:59:30,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:30,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:59:30,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:30,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:59:30,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:30,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:59:30,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:30,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:59:30,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:30,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:59:30,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:30,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:59:30,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:30,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 09:59:30,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:30,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 09:59:30,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:30,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 09:59:30,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:30,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 09:59:30,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:30,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 09:59:30,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:30,175 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 09:59:30,175 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:59:30,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648382216] [2024-11-10 09:59:30,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648382216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:59:30,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:59:30,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2024-11-10 09:59:30,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668974049] [2024-11-10 09:59:30,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:59:30,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-10 09:59:30,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:59:30,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-10 09:59:30,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2024-11-10 09:59:30,178 INFO L87 Difference]: Start difference. First operand 207 states and 300 transitions. Second operand has 19 states, 16 states have (on average 3.9375) internal successors, (63), 19 states have internal predecessors, (63), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 5 states have call successors, (19) [2024-11-10 09:59:33,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:59:33,202 INFO L93 Difference]: Finished difference Result 516 states and 740 transitions. [2024-11-10 09:59:33,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-10 09:59:33,203 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 3.9375) internal successors, (63), 19 states have internal predecessors, (63), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 5 states have call successors, (19) Word has length 155 [2024-11-10 09:59:33,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:59:33,206 INFO L225 Difference]: With dead ends: 516 [2024-11-10 09:59:33,206 INFO L226 Difference]: Without dead ends: 390 [2024-11-10 09:59:33,207 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 52 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=185, Invalid=937, Unknown=0, NotChecked=0, Total=1122 [2024-11-10 09:59:33,207 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 762 mSDsluCounter, 1022 mSDsCounter, 0 mSdLazyCounter, 1710 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 762 SdHoareTripleChecker+Valid, 1112 SdHoareTripleChecker+Invalid, 1821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 1710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-10 09:59:33,208 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [762 Valid, 1112 Invalid, 1821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 1710 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-10 09:59:33,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2024-11-10 09:59:33,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 232. [2024-11-10 09:59:33,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 190 states have (on average 1.3736842105263158) internal successors, (261), 190 states have internal predecessors, (261), 38 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-10 09:59:33,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 337 transitions. [2024-11-10 09:59:33,230 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 337 transitions. Word has length 155 [2024-11-10 09:59:33,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:59:33,230 INFO L471 AbstractCegarLoop]: Abstraction has 232 states and 337 transitions. [2024-11-10 09:59:33,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 3.9375) internal successors, (63), 19 states have internal predecessors, (63), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 5 states have call successors, (19) [2024-11-10 09:59:33,231 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 337 transitions. [2024-11-10 09:59:33,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-10 09:59:33,232 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:59:33,232 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 09:59:33,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 09:59:33,233 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:59:33,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:59:33,233 INFO L85 PathProgramCache]: Analyzing trace with hash -886814870, now seen corresponding path program 1 times [2024-11-10 09:59:33,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:59:33,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850925503] [2024-11-10 09:59:33,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:59:33,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:59:33,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:35,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:59:35,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:35,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:59:35,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:35,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:59:35,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:35,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:59:35,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:35,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:59:35,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:35,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:59:35,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:35,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:59:35,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:35,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:59:35,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:35,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:59:35,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:35,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:59:35,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:35,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:59:35,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:35,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:59:35,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:35,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:59:35,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:35,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:59:35,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:35,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 09:59:35,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:35,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 09:59:35,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:35,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 09:59:35,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:35,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 09:59:35,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:36,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 09:59:36,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:36,009 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 09:59:36,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:59:36,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850925503] [2024-11-10 09:59:36,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850925503] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:59:36,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:59:36,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-10 09:59:36,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271580537] [2024-11-10 09:59:36,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:59:36,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-10 09:59:36,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:59:36,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-10 09:59:36,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2024-11-10 09:59:36,013 INFO L87 Difference]: Start difference. First operand 232 states and 337 transitions. Second operand has 17 states, 16 states have (on average 3.9375) internal successors, (63), 17 states have internal predecessors, (63), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-10 09:59:37,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:59:37,839 INFO L93 Difference]: Finished difference Result 550 states and 788 transitions. [2024-11-10 09:59:37,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-10 09:59:37,839 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 3.9375) internal successors, (63), 17 states have internal predecessors, (63), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) Word has length 155 [2024-11-10 09:59:37,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:59:37,842 INFO L225 Difference]: With dead ends: 550 [2024-11-10 09:59:37,842 INFO L226 Difference]: Without dead ends: 424 [2024-11-10 09:59:37,843 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=166, Invalid=646, Unknown=0, NotChecked=0, Total=812 [2024-11-10 09:59:37,843 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 1090 mSDsluCounter, 858 mSDsCounter, 0 mSdLazyCounter, 1404 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1090 SdHoareTripleChecker+Valid, 964 SdHoareTripleChecker+Invalid, 1553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 1404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-10 09:59:37,844 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1090 Valid, 964 Invalid, 1553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 1404 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-10 09:59:37,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2024-11-10 09:59:37,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 260. [2024-11-10 09:59:37,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 260 states, 217 states have (on average 1.3963133640552996) internal successors, (303), 217 states have internal predecessors, (303), 38 states have call successors, (38), 4 states have call predecessors, (38), 4 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-10 09:59:37,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 379 transitions. [2024-11-10 09:59:37,864 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 379 transitions. Word has length 155 [2024-11-10 09:59:37,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:59:37,865 INFO L471 AbstractCegarLoop]: Abstraction has 260 states and 379 transitions. [2024-11-10 09:59:37,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 3.9375) internal successors, (63), 17 states have internal predecessors, (63), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-10 09:59:37,865 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 379 transitions. [2024-11-10 09:59:37,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-10 09:59:37,867 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:59:37,867 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 09:59:37,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 09:59:37,867 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:59:37,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:59:37,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1392373495, now seen corresponding path program 1 times [2024-11-10 09:59:37,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:59:37,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244613992] [2024-11-10 09:59:37,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:59:37,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:59:38,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:42,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:59:42,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:42,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:59:42,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:42,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:59:42,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:42,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:59:42,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:42,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:59:42,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:42,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:59:42,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:42,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:59:42,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:42,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:59:42,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:42,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:59:42,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:42,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:59:42,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:42,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:59:42,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:42,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:59:42,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:42,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:59:42,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:42,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:59:42,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:42,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 09:59:42,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:42,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 09:59:42,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:42,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 09:59:42,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:42,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 09:59:42,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:42,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 09:59:42,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:42,450 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 09:59:42,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:59:42,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244613992] [2024-11-10 09:59:42,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244613992] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:59:42,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:59:42,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2024-11-10 09:59:42,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857513557] [2024-11-10 09:59:42,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:59:42,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-10 09:59:42,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:59:42,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-10 09:59:42,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2024-11-10 09:59:42,452 INFO L87 Difference]: Start difference. First operand 260 states and 379 transitions. Second operand has 20 states, 17 states have (on average 3.7058823529411766) internal successors, (63), 20 states have internal predecessors, (63), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 5 states have call successors, (19) [2024-11-10 09:59:45,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:59:45,215 INFO L93 Difference]: Finished difference Result 539 states and 773 transitions. [2024-11-10 09:59:45,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-10 09:59:45,215 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 3.7058823529411766) internal successors, (63), 20 states have internal predecessors, (63), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 5 states have call successors, (19) Word has length 155 [2024-11-10 09:59:45,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:59:45,218 INFO L225 Difference]: With dead ends: 539 [2024-11-10 09:59:45,218 INFO L226 Difference]: Without dead ends: 412 [2024-11-10 09:59:45,219 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 52 SyntacticMatches, 1 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=197, Invalid=993, Unknown=0, NotChecked=0, Total=1190 [2024-11-10 09:59:45,219 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 583 mSDsluCounter, 1281 mSDsCounter, 0 mSdLazyCounter, 2079 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 583 SdHoareTripleChecker+Valid, 1388 SdHoareTripleChecker+Invalid, 2182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 2079 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-10 09:59:45,220 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [583 Valid, 1388 Invalid, 2182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 2079 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-10 09:59:45,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2024-11-10 09:59:45,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 259. [2024-11-10 09:59:45,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 216 states have (on average 1.3935185185185186) internal successors, (301), 216 states have internal predecessors, (301), 38 states have call successors, (38), 4 states have call predecessors, (38), 4 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-10 09:59:45,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 377 transitions. [2024-11-10 09:59:45,244 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 377 transitions. Word has length 155 [2024-11-10 09:59:45,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:59:45,245 INFO L471 AbstractCegarLoop]: Abstraction has 259 states and 377 transitions. [2024-11-10 09:59:45,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 3.7058823529411766) internal successors, (63), 20 states have internal predecessors, (63), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 5 states have call successors, (19) [2024-11-10 09:59:45,245 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 377 transitions. [2024-11-10 09:59:45,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-10 09:59:45,247 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:59:45,247 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 09:59:45,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-10 09:59:45,247 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:59:45,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:59:45,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1203695327, now seen corresponding path program 1 times [2024-11-10 09:59:45,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:59:45,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69818271] [2024-11-10 09:59:45,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:59:45,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:59:45,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:59:45,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:59:45,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:59:45,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:59:45,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:59:45,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:59:45,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:59:45,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:59:45,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:59:45,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:59:45,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:59:45,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:59:45,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:59:45,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:59:45,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 09:59:45,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 09:59:45,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 09:59:45,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 09:59:45,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 09:59:45,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:45,997 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 09:59:45,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:59:45,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69818271] [2024-11-10 09:59:45,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69818271] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:59:45,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:59:45,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 09:59:45,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729586146] [2024-11-10 09:59:45,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:59:45,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 09:59:45,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:59:45,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 09:59:45,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-10 09:59:45,999 INFO L87 Difference]: Start difference. First operand 259 states and 377 transitions. Second operand has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-10 09:59:46,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:59:46,606 INFO L93 Difference]: Finished difference Result 443 states and 644 transitions. [2024-11-10 09:59:46,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 09:59:46,607 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 155 [2024-11-10 09:59:46,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:59:46,608 INFO L225 Difference]: With dead ends: 443 [2024-11-10 09:59:46,609 INFO L226 Difference]: Without dead ends: 317 [2024-11-10 09:59:46,610 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 39 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2024-11-10 09:59:46,611 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 449 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 449 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 09:59:46,611 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [449 Valid, 306 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 408 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 09:59:46,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2024-11-10 09:59:46,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 275. [2024-11-10 09:59:46,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 232 states have (on average 1.396551724137931) internal successors, (324), 232 states have internal predecessors, (324), 38 states have call successors, (38), 4 states have call predecessors, (38), 4 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-10 09:59:46,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 400 transitions. [2024-11-10 09:59:46,642 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 400 transitions. Word has length 155 [2024-11-10 09:59:46,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:59:46,643 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 400 transitions. [2024-11-10 09:59:46,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-10 09:59:46,643 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 400 transitions. [2024-11-10 09:59:46,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-10 09:59:46,646 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:59:46,646 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 09:59:46,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-10 09:59:46,647 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:59:46,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:59:46,647 INFO L85 PathProgramCache]: Analyzing trace with hash -1648511579, now seen corresponding path program 1 times [2024-11-10 09:59:46,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:59:46,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786123130] [2024-11-10 09:59:46,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:59:46,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:59:46,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:50,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:59:50,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:50,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:59:50,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:50,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:59:50,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:50,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:59:50,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:50,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:59:50,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:50,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:59:50,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:50,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:59:50,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:50,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:59:50,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:50,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:59:50,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:50,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:59:50,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:50,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:59:50,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:50,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:59:50,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:50,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:59:50,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:50,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:59:50,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:50,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 09:59:50,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:50,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 09:59:50,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:50,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 09:59:50,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:50,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 09:59:50,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:50,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 09:59:50,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:50,848 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 09:59:50,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:59:50,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786123130] [2024-11-10 09:59:50,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786123130] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:59:50,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:59:50,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2024-11-10 09:59:50,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251624183] [2024-11-10 09:59:50,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:59:50,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-10 09:59:50,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:59:50,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-10 09:59:50,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=320, Unknown=0, NotChecked=0, Total=380 [2024-11-10 09:59:50,851 INFO L87 Difference]: Start difference. First operand 275 states and 400 transitions. Second operand has 20 states, 18 states have (on average 3.5) internal successors, (63), 20 states have internal predecessors, (63), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 5 states have call successors, (19) [2024-11-10 09:59:53,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:59:53,605 INFO L93 Difference]: Finished difference Result 546 states and 794 transitions. [2024-11-10 09:59:53,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-10 09:59:53,605 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 18 states have (on average 3.5) internal successors, (63), 20 states have internal predecessors, (63), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 5 states have call successors, (19) Word has length 155 [2024-11-10 09:59:53,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:59:53,608 INFO L225 Difference]: With dead ends: 546 [2024-11-10 09:59:53,608 INFO L226 Difference]: Without dead ends: 404 [2024-11-10 09:59:53,609 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 51 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 204 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=203, Invalid=853, Unknown=0, NotChecked=0, Total=1056 [2024-11-10 09:59:53,610 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 580 mSDsluCounter, 1174 mSDsCounter, 0 mSdLazyCounter, 2164 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 580 SdHoareTripleChecker+Valid, 1297 SdHoareTripleChecker+Invalid, 2267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 2164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-10 09:59:53,610 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [580 Valid, 1297 Invalid, 2267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 2164 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-10 09:59:53,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2024-11-10 09:59:53,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 276. [2024-11-10 09:59:53,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 233 states have (on average 1.3948497854077253) internal successors, (325), 233 states have internal predecessors, (325), 38 states have call successors, (38), 4 states have call predecessors, (38), 4 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-10 09:59:53,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 401 transitions. [2024-11-10 09:59:53,643 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 401 transitions. Word has length 155 [2024-11-10 09:59:53,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:59:53,643 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 401 transitions. [2024-11-10 09:59:53,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 18 states have (on average 3.5) internal successors, (63), 20 states have internal predecessors, (63), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 3 states have call predecessors, (19), 5 states have call successors, (19) [2024-11-10 09:59:53,644 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 401 transitions. [2024-11-10 09:59:53,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-10 09:59:53,645 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:59:53,645 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 09:59:53,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 09:59:53,646 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:59:53,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:59:53,646 INFO L85 PathProgramCache]: Analyzing trace with hash 2140897092, now seen corresponding path program 1 times [2024-11-10 09:59:53,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:59:53,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096348502] [2024-11-10 09:59:53,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:59:53,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:59:53,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:56,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 09:59:56,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:56,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 09:59:56,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:56,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 09:59:56,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:56,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 09:59:56,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:56,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 09:59:56,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:56,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 09:59:56,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:56,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 09:59:56,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:56,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 09:59:56,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:56,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 09:59:56,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:56,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 09:59:56,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:56,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 09:59:56,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:56,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 09:59:56,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:56,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 09:59:56,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:56,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 09:59:56,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:56,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 09:59:56,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:56,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 09:59:56,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:56,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 09:59:56,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:56,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 09:59:56,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:56,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 09:59:56,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 09:59:56,637 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 09:59:56,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 09:59:56,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096348502] [2024-11-10 09:59:56,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096348502] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 09:59:56,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 09:59:56,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-10 09:59:56,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186094961] [2024-11-10 09:59:56,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 09:59:56,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-10 09:59:56,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 09:59:56,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-10 09:59:56,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2024-11-10 09:59:56,640 INFO L87 Difference]: Start difference. First operand 276 states and 401 transitions. Second operand has 17 states, 15 states have (on average 4.2) internal successors, (63), 17 states have internal predecessors, (63), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-10 09:59:58,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 09:59:58,822 INFO L93 Difference]: Finished difference Result 575 states and 834 transitions. [2024-11-10 09:59:58,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-10 09:59:58,823 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 4.2) internal successors, (63), 17 states have internal predecessors, (63), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) Word has length 155 [2024-11-10 09:59:58,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 09:59:58,825 INFO L225 Difference]: With dead ends: 575 [2024-11-10 09:59:58,825 INFO L226 Difference]: Without dead ends: 427 [2024-11-10 09:59:58,826 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 53 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=159, Invalid=711, Unknown=0, NotChecked=0, Total=870 [2024-11-10 09:59:58,826 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 529 mSDsluCounter, 1047 mSDsCounter, 0 mSdLazyCounter, 1681 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 529 SdHoareTripleChecker+Valid, 1159 SdHoareTripleChecker+Invalid, 1807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 1681 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-10 09:59:58,827 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [529 Valid, 1159 Invalid, 1807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 1681 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-10 09:59:58,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2024-11-10 09:59:58,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 295. [2024-11-10 09:59:58,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 252 states have (on average 1.3968253968253967) internal successors, (352), 252 states have internal predecessors, (352), 38 states have call successors, (38), 4 states have call predecessors, (38), 4 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-10 09:59:58,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 428 transitions. [2024-11-10 09:59:58,860 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 428 transitions. Word has length 155 [2024-11-10 09:59:58,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 09:59:58,860 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 428 transitions. [2024-11-10 09:59:58,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 4.2) internal successors, (63), 17 states have internal predecessors, (63), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-10 09:59:58,861 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 428 transitions. [2024-11-10 09:59:58,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-10 09:59:58,863 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 09:59:58,863 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 09:59:58,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 09:59:58,864 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 09:59:58,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 09:59:58,864 INFO L85 PathProgramCache]: Analyzing trace with hash 316821004, now seen corresponding path program 1 times [2024-11-10 09:59:58,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 09:59:58,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871793725] [2024-11-10 09:59:58,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 09:59:58,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 09:59:58,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:01,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:00:01,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:01,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:00:01,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:01,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:00:01,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:01,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:00:01,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:01,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:00:01,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:01,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:00:01,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:01,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:00:01,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:01,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 10:00:01,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:01,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 10:00:01,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:01,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:00:01,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:01,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 10:00:01,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:01,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 10:00:01,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:01,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 10:00:01,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:01,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:00:01,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:01,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 10:00:01,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:01,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 10:00:01,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:01,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 10:00:01,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:01,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 10:00:01,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:01,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 10:00:01,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:01,496 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 10:00:01,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:00:01,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871793725] [2024-11-10 10:00:01,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871793725] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:00:01,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:00:01,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-10 10:00:01,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613278661] [2024-11-10 10:00:01,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:00:01,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-10 10:00:01,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:00:01,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-10 10:00:01,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2024-11-10 10:00:01,500 INFO L87 Difference]: Start difference. First operand 295 states and 428 transitions. Second operand has 17 states, 15 states have (on average 4.2) internal successors, (63), 17 states have internal predecessors, (63), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-10 10:00:03,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:00:03,372 INFO L93 Difference]: Finished difference Result 574 states and 831 transitions. [2024-11-10 10:00:03,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-10 10:00:03,372 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 4.2) internal successors, (63), 17 states have internal predecessors, (63), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) Word has length 155 [2024-11-10 10:00:03,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:00:03,376 INFO L225 Difference]: With dead ends: 574 [2024-11-10 10:00:03,376 INFO L226 Difference]: Without dead ends: 424 [2024-11-10 10:00:03,377 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=138, Invalid=564, Unknown=0, NotChecked=0, Total=702 [2024-11-10 10:00:03,378 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 357 mSDsluCounter, 1043 mSDsCounter, 0 mSdLazyCounter, 1686 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 1164 SdHoareTripleChecker+Invalid, 1771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 1686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-10 10:00:03,378 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [357 Valid, 1164 Invalid, 1771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 1686 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-10 10:00:03,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2024-11-10 10:00:03,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 311. [2024-11-10 10:00:03,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 268 states have (on average 1.3955223880597014) internal successors, (374), 268 states have internal predecessors, (374), 38 states have call successors, (38), 4 states have call predecessors, (38), 4 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-10 10:00:03,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 450 transitions. [2024-11-10 10:00:03,438 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 450 transitions. Word has length 155 [2024-11-10 10:00:03,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:00:03,438 INFO L471 AbstractCegarLoop]: Abstraction has 311 states and 450 transitions. [2024-11-10 10:00:03,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 4.2) internal successors, (63), 17 states have internal predecessors, (63), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-10 10:00:03,439 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 450 transitions. [2024-11-10 10:00:03,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-10 10:00:03,439 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:00:03,440 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 10:00:03,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-10 10:00:03,440 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:00:03,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:00:03,440 INFO L85 PathProgramCache]: Analyzing trace with hash -193713173, now seen corresponding path program 1 times [2024-11-10 10:00:03,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:00:03,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970850759] [2024-11-10 10:00:03,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:00:03,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:00:03,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:03,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:00:03,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:03,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:00:03,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:03,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:00:03,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:03,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:00:03,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:03,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:00:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:03,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:00:03,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:03,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:00:03,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:03,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 10:00:03,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:03,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 10:00:03,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:03,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:00:03,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:03,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 10:00:03,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:03,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 10:00:03,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:03,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 10:00:03,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:03,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:00:03,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:03,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 10:00:03,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:03,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 10:00:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:03,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 10:00:03,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:03,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 10:00:03,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:03,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 10:00:03,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:03,677 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 10:00:03,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:00:03,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970850759] [2024-11-10 10:00:03,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970850759] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:00:03,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:00:03,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 10:00:03,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986714140] [2024-11-10 10:00:03,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:00:03,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 10:00:03,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:00:03,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 10:00:03,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 10:00:03,679 INFO L87 Difference]: Start difference. First operand 311 states and 450 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 10:00:03,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:00:03,954 INFO L93 Difference]: Finished difference Result 497 states and 717 transitions. [2024-11-10 10:00:03,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 10:00:03,955 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 10:00:03,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:00:03,957 INFO L225 Difference]: With dead ends: 497 [2024-11-10 10:00:03,957 INFO L226 Difference]: Without dead ends: 355 [2024-11-10 10:00:03,957 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 10:00:03,958 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 51 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 566 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 10:00:03,961 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 566 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 10:00:03,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-11-10 10:00:03,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 313. [2024-11-10 10:00:03,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 270 states have (on average 1.3962962962962964) internal successors, (377), 270 states have internal predecessors, (377), 38 states have call successors, (38), 4 states have call predecessors, (38), 4 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-10 10:00:03,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 453 transitions. [2024-11-10 10:00:03,993 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 453 transitions. Word has length 155 [2024-11-10 10:00:03,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:00:03,994 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 453 transitions. [2024-11-10 10:00:03,995 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 10:00:03,995 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 453 transitions. [2024-11-10 10:00:03,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-10 10:00:03,996 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:00:03,996 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 10:00:03,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 10:00:03,996 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:00:03,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:00:03,997 INFO L85 PathProgramCache]: Analyzing trace with hash -699271798, now seen corresponding path program 1 times [2024-11-10 10:00:03,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:00:03,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762603681] [2024-11-10 10:00:03,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:00:03,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:00:04,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:07,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:00:07,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:07,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:00:07,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:07,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:00:07,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:07,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:00:07,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:07,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:00:07,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:07,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:00:07,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:07,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:00:07,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:07,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 10:00:07,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:07,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 10:00:07,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:07,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:00:07,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:07,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 10:00:07,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:07,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 10:00:08,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:08,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 10:00:08,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:08,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:00:08,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:08,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 10:00:08,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:08,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 10:00:08,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:08,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 10:00:08,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:08,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 10:00:08,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:08,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 10:00:08,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:08,080 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 10:00:08,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:00:08,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762603681] [2024-11-10 10:00:08,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762603681] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:00:08,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:00:08,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2024-11-10 10:00:08,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859864414] [2024-11-10 10:00:08,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:00:08,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-10 10:00:08,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:00:08,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-10 10:00:08,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2024-11-10 10:00:08,086 INFO L87 Difference]: Start difference. First operand 313 states and 453 transitions. Second operand has 21 states, 19 states have (on average 3.3157894736842106) internal successors, (63), 21 states have internal predecessors, (63), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-10 10:00:12,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:00:12,016 INFO L93 Difference]: Finished difference Result 574 states and 830 transitions. [2024-11-10 10:00:12,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-10 10:00:12,017 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 19 states have (on average 3.3157894736842106) internal successors, (63), 21 states have internal predecessors, (63), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) Word has length 155 [2024-11-10 10:00:12,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:00:12,019 INFO L225 Difference]: With dead ends: 574 [2024-11-10 10:00:12,019 INFO L226 Difference]: Without dead ends: 430 [2024-11-10 10:00:12,020 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 52 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=187, Invalid=1145, Unknown=0, NotChecked=0, Total=1332 [2024-11-10 10:00:12,021 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 417 mSDsluCounter, 1769 mSDsCounter, 0 mSdLazyCounter, 2857 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 417 SdHoareTripleChecker+Valid, 1909 SdHoareTripleChecker+Invalid, 2942 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 2857 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-10 10:00:12,021 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [417 Valid, 1909 Invalid, 2942 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 2857 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-10 10:00:12,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2024-11-10 10:00:12,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 312. [2024-11-10 10:00:12,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 269 states have (on average 1.3940520446096654) internal successors, (375), 269 states have internal predecessors, (375), 38 states have call successors, (38), 4 states have call predecessors, (38), 4 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-10 10:00:12,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 451 transitions. [2024-11-10 10:00:12,052 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 451 transitions. Word has length 155 [2024-11-10 10:00:12,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:00:12,053 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 451 transitions. [2024-11-10 10:00:12,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 19 states have (on average 3.3157894736842106) internal successors, (63), 21 states have internal predecessors, (63), 4 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 4 states have call successors, (19) [2024-11-10 10:00:12,053 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 451 transitions. [2024-11-10 10:00:12,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-10 10:00:12,054 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:00:12,054 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 10:00:12,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-10 10:00:12,054 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:00:12,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:00:12,055 INFO L85 PathProgramCache]: Analyzing trace with hash -499354490, now seen corresponding path program 1 times [2024-11-10 10:00:12,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:00:12,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945593951] [2024-11-10 10:00:12,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:00:12,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:00:12,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:15,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:00:15,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:15,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:00:15,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:15,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:00:15,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:15,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:00:15,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:15,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:00:15,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:15,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:00:15,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:15,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:00:15,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:15,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 10:00:15,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:15,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 10:00:15,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:15,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:00:15,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:15,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 10:00:15,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:15,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 10:00:15,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:15,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 10:00:15,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:15,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:00:15,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:15,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 10:00:15,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:15,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 10:00:15,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:15,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 10:00:15,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:15,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 10:00:15,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:16,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 10:00:16,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:16,012 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 10:00:16,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:00:16,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945593951] [2024-11-10 10:00:16,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945593951] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:00:16,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:00:16,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2024-11-10 10:00:16,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15311049] [2024-11-10 10:00:16,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:00:16,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-10 10:00:16,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:00:16,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-10 10:00:16,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=324, Unknown=0, NotChecked=0, Total=380 [2024-11-10 10:00:16,014 INFO L87 Difference]: Start difference. First operand 312 states and 451 transitions. Second operand has 20 states, 17 states have (on average 3.7058823529411766) internal successors, (63), 20 states have internal predecessors, (63), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 5 states have call successors, (19) [2024-11-10 10:00:18,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:00:18,841 INFO L93 Difference]: Finished difference Result 568 states and 820 transitions. [2024-11-10 10:00:18,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-10 10:00:18,841 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 3.7058823529411766) internal successors, (63), 20 states have internal predecessors, (63), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 5 states have call successors, (19) Word has length 155 [2024-11-10 10:00:18,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:00:18,844 INFO L225 Difference]: With dead ends: 568 [2024-11-10 10:00:18,844 INFO L226 Difference]: Without dead ends: 424 [2024-11-10 10:00:18,845 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 50 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=201, Invalid=921, Unknown=0, NotChecked=0, Total=1122 [2024-11-10 10:00:18,846 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 499 mSDsluCounter, 1261 mSDsCounter, 0 mSdLazyCounter, 2025 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 499 SdHoareTripleChecker+Valid, 1403 SdHoareTripleChecker+Invalid, 2131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 2025 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-10 10:00:18,846 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [499 Valid, 1403 Invalid, 2131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 2025 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-10 10:00:18,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2024-11-10 10:00:18,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 313. [2024-11-10 10:00:18,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 270 states have (on average 1.3925925925925926) internal successors, (376), 270 states have internal predecessors, (376), 38 states have call successors, (38), 4 states have call predecessors, (38), 4 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-10 10:00:18,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 452 transitions. [2024-11-10 10:00:18,879 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 452 transitions. Word has length 155 [2024-11-10 10:00:18,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:00:18,880 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 452 transitions. [2024-11-10 10:00:18,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 3.7058823529411766) internal successors, (63), 20 states have internal predecessors, (63), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 5 states have call successors, (19) [2024-11-10 10:00:18,880 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 452 transitions. [2024-11-10 10:00:18,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-10 10:00:18,881 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:00:18,881 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 10:00:18,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-10 10:00:18,882 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:00:18,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:00:18,882 INFO L85 PathProgramCache]: Analyzing trace with hash -625914813, now seen corresponding path program 1 times [2024-11-10 10:00:18,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:00:18,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572932767] [2024-11-10 10:00:18,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:00:18,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:00:18,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:19,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:00:19,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:19,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:00:19,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:19,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:00:19,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:19,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:00:19,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:19,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:00:19,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:19,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:00:19,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:19,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:00:19,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:19,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 10:00:19,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:19,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 10:00:19,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:19,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:00:19,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:19,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 10:00:19,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:19,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 10:00:19,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:19,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 10:00:19,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:19,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:00:19,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:19,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 10:00:19,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:19,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 10:00:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:19,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 10:00:19,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:19,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 10:00:19,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:19,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 10:00:19,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:19,421 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 10:00:19,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:00:19,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572932767] [2024-11-10 10:00:19,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572932767] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:00:19,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:00:19,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-10 10:00:19,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417712817] [2024-11-10 10:00:19,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:00:19,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 10:00:19,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:00:19,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 10:00:19,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-10 10:00:19,423 INFO L87 Difference]: Start difference. First operand 313 states and 452 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 10:00:19,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:00:19,997 INFO L93 Difference]: Finished difference Result 501 states and 723 transitions. [2024-11-10 10:00:19,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 10:00:19,998 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 155 [2024-11-10 10:00:19,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:00:20,000 INFO L225 Difference]: With dead ends: 501 [2024-11-10 10:00:20,000 INFO L226 Difference]: Without dead ends: 357 [2024-11-10 10:00:20,001 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 39 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-10 10:00:20,001 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 197 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 593 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 10:00:20,001 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 514 Invalid, 597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 593 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 10:00:20,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2024-11-10 10:00:20,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 315. [2024-11-10 10:00:20,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 272 states have (on average 1.3897058823529411) internal successors, (378), 272 states have internal predecessors, (378), 38 states have call successors, (38), 4 states have call predecessors, (38), 4 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-10 10:00:20,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 454 transitions. [2024-11-10 10:00:20,034 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 454 transitions. Word has length 155 [2024-11-10 10:00:20,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:00:20,034 INFO L471 AbstractCegarLoop]: Abstraction has 315 states and 454 transitions. [2024-11-10 10:00:20,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-11-10 10:00:20,034 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 454 transitions. [2024-11-10 10:00:20,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-10 10:00:20,035 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:00:20,036 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 10:00:20,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-10 10:00:20,036 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:00:20,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:00:20,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1589817867, now seen corresponding path program 1 times [2024-11-10 10:00:20,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:00:20,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300726239] [2024-11-10 10:00:20,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:00:20,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:00:20,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:20,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:00:20,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:20,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:00:20,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:20,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:00:20,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:20,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:00:20,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:20,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:00:20,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:20,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:00:20,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:20,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:00:20,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:20,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 10:00:20,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:20,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 10:00:20,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:20,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:00:20,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:20,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 10:00:20,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:20,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 10:00:20,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:20,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 10:00:20,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:20,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:00:20,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:20,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 10:00:20,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:20,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 10:00:20,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:20,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 10:00:20,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:20,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 10:00:20,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:20,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 10:00:20,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:20,291 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 10:00:20,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:00:20,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300726239] [2024-11-10 10:00:20,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300726239] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:00:20,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:00:20,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 10:00:20,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70690023] [2024-11-10 10:00:20,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:00:20,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 10:00:20,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:00:20,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 10:00:20,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 10:00:20,293 INFO L87 Difference]: Start difference. First operand 315 states and 454 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 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 10:00:20,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:00:20,548 INFO L93 Difference]: Finished difference Result 507 states and 723 transitions. [2024-11-10 10:00:20,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 10:00:20,549 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 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 10:00:20,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:00:20,551 INFO L225 Difference]: With dead ends: 507 [2024-11-10 10:00:20,551 INFO L226 Difference]: Without dead ends: 333 [2024-11-10 10:00:20,552 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 10:00:20,552 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 6 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 10:00:20,553 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 528 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 10:00:20,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2024-11-10 10:00:20,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 321. [2024-11-10 10:00:20,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 278 states have (on average 1.3776978417266188) internal successors, (383), 278 states have internal predecessors, (383), 38 states have call successors, (38), 4 states have call predecessors, (38), 4 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-10 10:00:20,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 459 transitions. [2024-11-10 10:00:20,581 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 459 transitions. Word has length 156 [2024-11-10 10:00:20,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:00:20,582 INFO L471 AbstractCegarLoop]: Abstraction has 321 states and 459 transitions. [2024-11-10 10:00:20,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 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 10:00:20,582 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 459 transitions. [2024-11-10 10:00:20,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-10 10:00:20,583 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:00:20,583 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 10:00:20,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-10 10:00:20,584 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:00:20,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:00:20,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1998642092, now seen corresponding path program 1 times [2024-11-10 10:00:20,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:00:20,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343882538] [2024-11-10 10:00:20,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:00:20,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:00:20,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:22,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:00:22,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:22,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:00:22,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:22,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-10 10:00:22,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:22,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 10:00:22,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:22,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 10:00:22,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:22,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-10 10:00:22,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:22,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-10 10:00:22,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:22,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 10:00:22,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:22,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 10:00:22,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:22,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:00:22,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:22,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 10:00:22,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:22,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 10:00:22,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:22,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 10:00:22,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:22,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:00:22,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:22,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-10 10:00:22,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:22,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 10:00:22,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:22,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-10 10:00:22,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:22,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 10:00:22,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:22,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 10:00:22,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:00:22,476 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 10:00:22,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:00:22,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343882538] [2024-11-10 10:00:22,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343882538] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:00:22,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:00:22,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-10 10:00:22,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082288409] [2024-11-10 10:00:22,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:00:22,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 10:00:22,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:00:22,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 10:00:22,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-10 10:00:22,479 INFO L87 Difference]: Start difference. First operand 321 states and 459 transitions. Second operand has 12 states, 11 states have (on average 5.818181818181818) internal successors, (64), 12 states have internal predecessors, (64), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-10 10:00:23,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:00:23,539 INFO L93 Difference]: Finished difference Result 696 states and 999 transitions. [2024-11-10 10:00:23,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-10 10:00:23,539 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.818181818181818) internal successors, (64), 12 states have internal predecessors, (64), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) Word has length 156 [2024-11-10 10:00:23,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:00:23,542 INFO L225 Difference]: With dead ends: 696 [2024-11-10 10:00:23,542 INFO L226 Difference]: Without dead ends: 536 [2024-11-10 10:00:23,542 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=202, Unknown=0, NotChecked=0, Total=272 [2024-11-10 10:00:23,543 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 473 mSDsluCounter, 668 mSDsCounter, 0 mSdLazyCounter, 1023 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 473 SdHoareTripleChecker+Valid, 778 SdHoareTripleChecker+Invalid, 1118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 1023 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-10 10:00:23,543 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [473 Valid, 778 Invalid, 1118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 1023 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-10 10:00:23,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2024-11-10 10:00:23,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 389. [2024-11-10 10:00:23,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 346 states have (on average 1.4248554913294798) internal successors, (493), 346 states have internal predecessors, (493), 38 states have call successors, (38), 4 states have call predecessors, (38), 4 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-10 10:00:23,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 569 transitions. [2024-11-10 10:00:23,579 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 569 transitions. Word has length 156 [2024-11-10 10:00:23,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:00:23,579 INFO L471 AbstractCegarLoop]: Abstraction has 389 states and 569 transitions. [2024-11-10 10:00:23,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.818181818181818) internal successors, (64), 12 states have internal predecessors, (64), 3 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 2 states have call predecessors, (19), 3 states have call successors, (19) [2024-11-10 10:00:23,579 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 569 transitions. [2024-11-10 10:00:23,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-10 10:00:23,581 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:00:23,581 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 10:00:23,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-10 10:00:23,581 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:00:23,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:00:23,582 INFO L85 PathProgramCache]: Analyzing trace with hash -1967622285, now seen corresponding path program 1 times [2024-11-10 10:00:23,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:00:23,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531726558] [2024-11-10 10:00:23,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:00:23,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:00:23,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat