./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--firewire--firewire-ohci.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/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/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--firewire--firewire-ohci.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 566d5f55091b8d9986e40109bb4ed7c757a10d51a53e185fb47e2dfa177e6461 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 01:13:07,853 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 01:13:07,855 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 01:13:07,898 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 01:13:07,899 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 01:13:07,900 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 01:13:07,902 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 01:13:07,904 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 01:13:07,906 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 01:13:07,909 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 01:13:07,910 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 01:13:07,912 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 01:13:07,912 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 01:13:07,914 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 01:13:07,915 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 01:13:07,918 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 01:13:07,918 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 01:13:07,920 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 01:13:07,921 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 01:13:07,926 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 01:13:07,928 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 01:13:07,929 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 01:13:07,929 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 01:13:07,930 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 01:13:07,931 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 01:13:07,936 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 01:13:07,936 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 01:13:07,937 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 01:13:07,937 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 01:13:07,938 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 01:13:07,939 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 01:13:07,939 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 01:13:07,946 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 01:13:07,947 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 01:13:07,948 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 01:13:07,948 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 01:13:07,949 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 01:13:07,949 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 01:13:07,949 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 01:13:07,950 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 01:13:07,950 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 01:13:07,952 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 01:13:07,953 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 01:13:07,991 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 01:13:07,991 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 01:13:07,992 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 01:13:07,992 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 01:13:07,993 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 01:13:07,993 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 01:13:07,993 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 01:13:07,993 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 01:13:07,994 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 01:13:07,994 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 01:13:07,995 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 01:13:07,995 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 01:13:07,995 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 01:13:07,995 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 01:13:07,995 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 01:13:07,995 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 01:13:07,996 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 01:13:07,996 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 01:13:07,996 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 01:13:07,996 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 01:13:07,996 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 01:13:07,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 01:13:07,997 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 01:13:07,997 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 01:13:07,997 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 01:13:07,997 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 01:13:07,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 01:13:07,998 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 01:13:07,998 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 01:13:07,998 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 01:13:07,998 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 566d5f55091b8d9986e40109bb4ed7c757a10d51a53e185fb47e2dfa177e6461 [2022-07-14 01:13:08,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 01:13:08,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 01:13:08,198 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 01:13:08,199 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 01:13:08,199 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 01:13:08,200 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--firewire--firewire-ohci.ko-entry_point.cil.out.i [2022-07-14 01:13:08,268 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4202fd0d/46f6fd8b1fc74081aab500ee0b243918/FLAG3a63c6f6f [2022-07-14 01:13:08,975 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 01:13:08,976 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--firewire--firewire-ohci.ko-entry_point.cil.out.i [2022-07-14 01:13:09,024 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4202fd0d/46f6fd8b1fc74081aab500ee0b243918/FLAG3a63c6f6f [2022-07-14 01:13:09,274 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4202fd0d/46f6fd8b1fc74081aab500ee0b243918 [2022-07-14 01:13:09,276 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 01:13:09,277 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 01:13:09,277 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 01:13:09,278 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 01:13:09,281 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 01:13:09,282 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 01:13:09" (1/1) ... [2022-07-14 01:13:09,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c172de3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:13:09, skipping insertion in model container [2022-07-14 01:13:09,283 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 01:13:09" (1/1) ... [2022-07-14 01:13:09,288 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 01:13:09,431 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 01:13:10,897 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--firewire--firewire-ohci.ko-entry_point.cil.out.i[267295,267308] [2022-07-14 01:13:11,012 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 01:13:11,044 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 01:13:11,395 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--firewire--firewire-ohci.ko-entry_point.cil.out.i[267295,267308] [2022-07-14 01:13:11,407 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 01:13:11,511 INFO L208 MainTranslator]: Completed translation [2022-07-14 01:13:11,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:13:11 WrapperNode [2022-07-14 01:13:11,513 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 01:13:11,514 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 01:13:11,514 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 01:13:11,514 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 01:13:11,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:13:11" (1/1) ... [2022-07-14 01:13:11,616 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:13:11" (1/1) ... [2022-07-14 01:13:11,886 INFO L137 Inliner]: procedures = 373, calls = 2534, calls flagged for inlining = 157, calls inlined = 144, statements flattened = 6564 [2022-07-14 01:13:11,887 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 01:13:11,888 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 01:13:11,889 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 01:13:11,889 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 01:13:11,896 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:13:11" (1/1) ... [2022-07-14 01:13:11,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:13:11" (1/1) ... [2022-07-14 01:13:11,969 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:13:11" (1/1) ... [2022-07-14 01:13:11,970 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:13:11" (1/1) ... [2022-07-14 01:13:12,291 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:13:11" (1/1) ... [2022-07-14 01:13:12,345 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:13:11" (1/1) ... [2022-07-14 01:13:12,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:13:11" (1/1) ... [2022-07-14 01:13:12,438 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 01:13:12,439 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 01:13:12,439 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 01:13:12,439 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 01:13:12,441 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:13:11" (1/1) ... [2022-07-14 01:13:12,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 01:13:12,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 01:13:12,476 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-14 01:13:12,497 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-14 01:13:12,529 INFO L130 BoogieDeclarations]: Found specification of procedure context_stop [2022-07-14 01:13:12,530 INFO L138 BoogieDeclarations]: Found implementation of procedure context_stop [2022-07-14 01:13:12,530 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-14 01:13:12,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-14 01:13:12,530 INFO L130 BoogieDeclarations]: Found specification of procedure get_cycle_time [2022-07-14 01:13:12,530 INFO L138 BoogieDeclarations]: Found implementation of procedure get_cycle_time [2022-07-14 01:13:12,531 INFO L130 BoogieDeclarations]: Found specification of procedure pci_resume [2022-07-14 01:13:12,531 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_resume [2022-07-14 01:13:12,531 INFO L130 BoogieDeclarations]: Found specification of procedure ar_next_buffer_index [2022-07-14 01:13:12,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ar_next_buffer_index [2022-07-14 01:13:12,531 INFO L130 BoogieDeclarations]: Found specification of procedure flush_writes [2022-07-14 01:13:12,531 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_writes [2022-07-14 01:13:12,532 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-14 01:13:12,532 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-14 01:13:12,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_3 [2022-07-14 01:13:12,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_3 [2022-07-14 01:13:12,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 01:13:12,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 01:13:12,532 INFO L130 BoogieDeclarations]: Found specification of procedure context_run [2022-07-14 01:13:12,533 INFO L138 BoogieDeclarations]: Found implementation of procedure context_run [2022-07-14 01:13:12,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 01:13:12,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 01:13:12,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 01:13:12,533 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 01:13:12,533 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-14 01:13:12,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-14 01:13:12,534 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2022-07-14 01:13:12,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2022-07-14 01:13:12,534 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_stop_iso [2022-07-14 01:13:12,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_stop_iso [2022-07-14 01:13:12,534 INFO L130 BoogieDeclarations]: Found specification of procedure reg_read [2022-07-14 01:13:12,535 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_read [2022-07-14 01:13:12,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 01:13:12,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 01:13:12,535 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2022-07-14 01:13:12,535 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2022-07-14 01:13:12,535 INFO L130 BoogieDeclarations]: Found specification of procedure fw_core_handle_response [2022-07-14 01:13:12,535 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_core_handle_response [2022-07-14 01:13:12,536 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-14 01:13:12,536 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-14 01:13:12,536 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2022-07-14 01:13:12,536 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2022-07-14 01:13:12,536 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-14 01:13:12,536 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-14 01:13:12,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_phy_reg_mutex_of_fw_ohci [2022-07-14 01:13:12,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_phy_reg_mutex_of_fw_ohci [2022-07-14 01:13:12,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_phy_reg_mutex_of_fw_ohci [2022-07-14 01:13:12,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_phy_reg_mutex_of_fw_ohci [2022-07-14 01:13:12,537 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-14 01:13:12,538 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-14 01:13:12,538 INFO L130 BoogieDeclarations]: Found specification of procedure read_phy_reg [2022-07-14 01:13:12,538 INFO L138 BoogieDeclarations]: Found implementation of procedure read_phy_reg [2022-07-14 01:13:12,538 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2022-07-14 01:13:12,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2022-07-14 01:13:12,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-14 01:13:12,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-14 01:13:12,539 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2022-07-14 01:13:12,540 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2022-07-14 01:13:12,540 INFO L130 BoogieDeclarations]: Found specification of procedure pmac_ohci_on [2022-07-14 01:13:12,541 INFO L138 BoogieDeclarations]: Found implementation of procedure pmac_ohci_on [2022-07-14 01:13:12,541 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-14 01:13:12,541 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-14 01:13:12,541 INFO L130 BoogieDeclarations]: Found specification of procedure context_append [2022-07-14 01:13:12,541 INFO L138 BoogieDeclarations]: Found implementation of procedure context_append [2022-07-14 01:13:12,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 01:13:12,542 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 01:13:12,542 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_range_for_cpu [2022-07-14 01:13:12,542 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_range_for_cpu [2022-07-14 01:13:12,542 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-14 01:13:12,542 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-14 01:13:12,542 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-14 01:13:12,543 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-14 01:13:12,543 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-14 01:13:12,543 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-14 01:13:12,544 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-14 01:13:12,544 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-14 01:13:12,544 INFO L130 BoogieDeclarations]: Found specification of procedure context_release [2022-07-14 01:13:12,544 INFO L138 BoogieDeclarations]: Found implementation of procedure context_release [2022-07-14 01:13:12,544 INFO L130 BoogieDeclarations]: Found specification of procedure ar_context_release [2022-07-14 01:13:12,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ar_context_release [2022-07-14 01:13:12,544 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-14 01:13:12,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-14 01:13:12,545 INFO L130 BoogieDeclarations]: Found specification of procedure ar_context_link_page [2022-07-14 01:13:12,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ar_context_link_page [2022-07-14 01:13:12,545 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-14 01:13:12,545 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-14 01:13:12,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 01:13:12,546 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-14 01:13:12,546 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-14 01:13:12,546 INFO L130 BoogieDeclarations]: Found specification of procedure fw_ohci [2022-07-14 01:13:12,547 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_ohci [2022-07-14 01:13:12,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 01:13:12,547 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-14 01:13:12,547 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-14 01:13:12,547 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_start_iso [2022-07-14 01:13:12,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_start_iso [2022-07-14 01:13:12,548 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2022-07-14 01:13:12,548 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2022-07-14 01:13:12,548 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-14 01:13:12,549 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-14 01:13:12,549 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2022-07-14 01:13:12,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2022-07-14 01:13:12,549 INFO L130 BoogieDeclarations]: Found specification of procedure cycle_timer_ticks [2022-07-14 01:13:12,549 INFO L138 BoogieDeclarations]: Found implementation of procedure cycle_timer_ticks [2022-07-14 01:13:12,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 01:13:12,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 01:13:12,550 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2022-07-14 01:13:12,550 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2022-07-14 01:13:12,550 INFO L130 BoogieDeclarations]: Found specification of procedure fw_core_handle_request [2022-07-14 01:13:12,551 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_core_handle_request [2022-07-14 01:13:12,551 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-14 01:13:12,551 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-14 01:13:12,551 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-14 01:13:12,551 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-14 01:13:12,551 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-14 01:13:12,552 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-14 01:13:12,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-07-14 01:13:12,552 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-07-14 01:13:12,553 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-14 01:13:12,555 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-14 01:13:12,555 INFO L130 BoogieDeclarations]: Found specification of procedure context_get_descriptors [2022-07-14 01:13:12,555 INFO L138 BoogieDeclarations]: Found implementation of procedure context_get_descriptors [2022-07-14 01:13:12,555 INFO L130 BoogieDeclarations]: Found specification of procedure ar_context_run [2022-07-14 01:13:12,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ar_context_run [2022-07-14 01:13:12,557 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2022-07-14 01:13:12,557 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2022-07-14 01:13:12,557 INFO L130 BoogieDeclarations]: Found specification of procedure __printk_ratelimit [2022-07-14 01:13:12,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __printk_ratelimit [2022-07-14 01:13:12,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-14 01:13:12,563 INFO L130 BoogieDeclarations]: Found specification of procedure ar_context_init [2022-07-14 01:13:12,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ar_context_init [2022-07-14 01:13:12,563 INFO L130 BoogieDeclarations]: Found specification of procedure update_phy_reg [2022-07-14 01:13:12,563 INFO L138 BoogieDeclarations]: Found implementation of procedure update_phy_reg [2022-07-14 01:13:12,563 INFO L130 BoogieDeclarations]: Found specification of procedure detect_dead_context [2022-07-14 01:13:12,563 INFO L138 BoogieDeclarations]: Found implementation of procedure detect_dead_context [2022-07-14 01:13:12,564 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-14 01:13:12,564 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-14 01:13:12,564 INFO L130 BoogieDeclarations]: Found specification of procedure update_bus_time [2022-07-14 01:13:12,564 INFO L138 BoogieDeclarations]: Found implementation of procedure update_bus_time [2022-07-14 01:13:12,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-14 01:13:12,564 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_update_phy_reg [2022-07-14 01:13:12,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_update_phy_reg [2022-07-14 01:13:12,564 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_enable [2022-07-14 01:13:12,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_enable [2022-07-14 01:13:12,565 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-14 01:13:12,565 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-14 01:13:12,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 01:13:12,565 INFO L130 BoogieDeclarations]: Found specification of procedure set_multichannel_mask [2022-07-14 01:13:12,565 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multichannel_mask [2022-07-14 01:13:12,565 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-14 01:13:12,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-14 01:13:12,566 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2022-07-14 01:13:12,566 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2022-07-14 01:13:12,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 01:13:12,566 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 01:13:12,566 INFO L130 BoogieDeclarations]: Found specification of procedure software_reset [2022-07-14 01:13:12,566 INFO L138 BoogieDeclarations]: Found implementation of procedure software_reset [2022-07-14 01:13:12,567 INFO L130 BoogieDeclarations]: Found specification of procedure context_init [2022-07-14 01:13:12,567 INFO L138 BoogieDeclarations]: Found implementation of procedure context_init [2022-07-14 01:13:12,567 INFO L130 BoogieDeclarations]: Found specification of procedure flush_iso_completions [2022-07-14 01:13:12,567 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_iso_completions [2022-07-14 01:13:12,567 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-07-14 01:13:12,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-07-14 01:13:12,567 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 01:13:12,568 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 01:13:12,568 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-07-14 01:13:12,568 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-07-14 01:13:12,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 01:13:12,568 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-14 01:13:12,568 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-14 01:13:12,568 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-07-14 01:13:12,569 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-07-14 01:13:12,569 INFO L130 BoogieDeclarations]: Found specification of procedure read_paged_phy_reg [2022-07-14 01:13:12,569 INFO L138 BoogieDeclarations]: Found implementation of procedure read_paged_phy_reg [2022-07-14 01:13:12,569 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_range_for_device [2022-07-14 01:13:12,569 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_range_for_device [2022-07-14 01:13:12,569 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-07-14 01:13:12,570 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-07-14 01:13:12,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 01:13:12,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 01:13:12,570 INFO L130 BoogieDeclarations]: Found specification of procedure at_context_flush [2022-07-14 01:13:12,570 INFO L138 BoogieDeclarations]: Found implementation of procedure at_context_flush [2022-07-14 01:13:12,570 INFO L130 BoogieDeclarations]: Found specification of procedure context_add_buffer [2022-07-14 01:13:12,570 INFO L138 BoogieDeclarations]: Found implementation of procedure context_add_buffer [2022-07-14 01:13:12,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-14 01:13:12,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-14 01:13:12,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 01:13:12,571 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-14 01:13:12,571 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-14 01:13:12,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-14 01:13:12,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-14 01:13:12,571 INFO L130 BoogieDeclarations]: Found specification of procedure fw_fill_response [2022-07-14 01:13:12,572 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_fill_response [2022-07-14 01:13:12,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 01:13:12,572 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-14 01:13:12,572 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-14 01:13:12,572 INFO L130 BoogieDeclarations]: Found specification of procedure ar_buffer_bus [2022-07-14 01:13:12,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ar_buffer_bus [2022-07-14 01:13:12,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 01:13:12,573 INFO L130 BoogieDeclarations]: Found specification of procedure context_tasklet [2022-07-14 01:13:12,573 INFO L138 BoogieDeclarations]: Found implementation of procedure context_tasklet [2022-07-14 01:13:12,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-07-14 01:13:12,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-07-14 01:13:12,573 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-07-14 01:13:12,573 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-07-14 01:13:12,573 INFO L130 BoogieDeclarations]: Found specification of procedure copy_config_rom [2022-07-14 01:13:12,574 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_config_rom [2022-07-14 01:13:12,574 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-07-14 01:13:12,574 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-07-14 01:13:12,574 INFO L130 BoogieDeclarations]: Found specification of procedure pci_remove [2022-07-14 01:13:12,574 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_remove [2022-07-14 01:13:12,574 INFO L130 BoogieDeclarations]: Found specification of procedure reg_write [2022-07-14 01:13:12,574 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_write [2022-07-14 01:13:12,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_3 [2022-07-14 01:13:12,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_3 [2022-07-14 01:13:12,575 INFO L130 BoogieDeclarations]: Found specification of procedure bus_reset_work [2022-07-14 01:13:12,575 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_reset_work [2022-07-14 01:13:12,575 INFO L130 BoogieDeclarations]: Found specification of procedure ffs [2022-07-14 01:13:12,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ffs [2022-07-14 01:13:12,575 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-14 01:13:12,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-14 01:13:12,576 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2022-07-14 01:13:12,576 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2022-07-14 01:13:12,576 INFO L130 BoogieDeclarations]: Found specification of procedure ohci_read_phy_reg [2022-07-14 01:13:12,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ohci_read_phy_reg [2022-07-14 01:13:12,576 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-07-14 01:13:12,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-07-14 01:13:12,576 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-14 01:13:12,577 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-14 01:13:12,577 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-14 01:13:12,577 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-14 01:13:12,577 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-14 01:13:12,577 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-14 01:13:12,577 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 01:13:12,577 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 01:13:12,577 INFO L130 BoogieDeclarations]: Found specification of procedure log_ar_at_event [2022-07-14 01:13:12,578 INFO L138 BoogieDeclarations]: Found implementation of procedure log_ar_at_event [2022-07-14 01:13:12,578 INFO L130 BoogieDeclarations]: Found specification of procedure fw_schedule_bus_reset [2022-07-14 01:13:12,578 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_schedule_bus_reset [2022-07-14 01:13:12,578 INFO L130 BoogieDeclarations]: Found specification of procedure write_phy_reg [2022-07-14 01:13:12,578 INFO L138 BoogieDeclarations]: Found implementation of procedure write_phy_reg [2022-07-14 01:13:12,578 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-07-14 01:13:12,578 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-07-14 01:13:12,579 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-14 01:13:12,579 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-14 01:13:12,579 INFO L130 BoogieDeclarations]: Found specification of procedure find_branch_descriptor [2022-07-14 01:13:12,582 INFO L138 BoogieDeclarations]: Found implementation of procedure find_branch_descriptor [2022-07-14 01:13:12,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 01:13:12,582 INFO L130 BoogieDeclarations]: Found specification of procedure _p [2022-07-14 01:13:12,582 INFO L138 BoogieDeclarations]: Found implementation of procedure _p [2022-07-14 01:13:12,583 INFO L130 BoogieDeclarations]: Found specification of procedure at_context_transmit [2022-07-14 01:13:12,583 INFO L138 BoogieDeclarations]: Found implementation of procedure at_context_transmit [2022-07-14 01:13:12,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 01:13:12,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 01:13:12,583 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2022-07-14 01:13:12,584 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2022-07-14 01:13:13,384 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 01:13:13,389 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 01:13:13,884 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 01:13:25,955 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 01:13:25,982 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 01:13:25,982 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-14 01:13:25,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:13:25 BoogieIcfgContainer [2022-07-14 01:13:25,986 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 01:13:25,989 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 01:13:25,989 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 01:13:25,991 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 01:13:25,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 01:13:09" (1/3) ... [2022-07-14 01:13:25,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b29cb51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 01:13:25, skipping insertion in model container [2022-07-14 01:13:25,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 01:13:11" (2/3) ... [2022-07-14 01:13:25,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b29cb51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 01:13:25, skipping insertion in model container [2022-07-14 01:13:25,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 01:13:25" (3/3) ... [2022-07-14 01:13:25,994 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--firewire--firewire-ohci.ko-entry_point.cil.out.i [2022-07-14 01:13:26,006 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 01:13:26,006 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 01:13:26,099 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 01:13:26,103 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@530434ca, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@208dbccd [2022-07-14 01:13:26,104 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 01:13:26,114 INFO L276 IsEmpty]: Start isEmpty. Operand has 2463 states, 1763 states have (on average 1.4169030062393648) internal successors, (2498), 1832 states have internal predecessors, (2498), 579 states have call successors, (579), 120 states have call predecessors, (579), 119 states have return successors, (572), 563 states have call predecessors, (572), 572 states have call successors, (572) [2022-07-14 01:13:26,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2022-07-14 01:13:26,152 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:13:26,153 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:13:26,154 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:13:26,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:13:26,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1745855129, now seen corresponding path program 1 times [2022-07-14 01:13:26,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:13:26,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401567892] [2022-07-14 01:13:26,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:13:26,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:13:26,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:26,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:13:26,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:26,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:26,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:26,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:13:26,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:26,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:13:26,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:26,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:26,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:26,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:13:26,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:26,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:13:26,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:26,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:26,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:26,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:13:26,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:26,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:13:26,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:26,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:26,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:26,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:13:26,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:26,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 01:13:27,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:27,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:27,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:27,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:13:27,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:27,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 01:13:27,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:27,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:27,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:27,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:13:27,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:27,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-14 01:13:27,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:27,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:27,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:27,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-14 01:13:27,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:27,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:27,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:27,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-14 01:13:27,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:27,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:27,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:27,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-14 01:13:27,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:27,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:27,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:27,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-14 01:13:27,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:27,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:27,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:27,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-14 01:13:27,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:27,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:27,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:27,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-14 01:13:27,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:27,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:27,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:27,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-14 01:13:27,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:27,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:27,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:27,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-14 01:13:27,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:27,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:27,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:27,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-14 01:13:27,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:27,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:27,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:27,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-14 01:13:27,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:27,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:27,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:27,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-14 01:13:27,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:27,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:27,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:27,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-14 01:13:27,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:27,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:27,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:27,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-14 01:13:27,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:27,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:27,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:27,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-14 01:13:27,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:27,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:27,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:27,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-07-14 01:13:27,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:27,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:27,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:27,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-14 01:13:27,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:27,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:27,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:27,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-14 01:13:27,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:27,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:27,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:27,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-14 01:13:27,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:27,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:27,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:27,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-14 01:13:27,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:27,447 INFO L134 CoverageAnalysis]: Checked inductivity of 1749 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1749 trivial. 0 not checked. [2022-07-14 01:13:27,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:13:27,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401567892] [2022-07-14 01:13:27,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [401567892] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:13:27,449 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:13:27,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 01:13:27,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686001497] [2022-07-14 01:13:27,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:13:27,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 01:13:27,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:13:27,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 01:13:27,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 01:13:27,482 INFO L87 Difference]: Start difference. First operand has 2463 states, 1763 states have (on average 1.4169030062393648) internal successors, (2498), 1832 states have internal predecessors, (2498), 579 states have call successors, (579), 120 states have call predecessors, (579), 119 states have return successors, (572), 563 states have call predecessors, (572), 572 states have call successors, (572) Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (32), 5 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-14 01:13:31,076 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:13:33,188 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:13:36,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:13:36,493 INFO L93 Difference]: Finished difference Result 5152 states and 7805 transitions. [2022-07-14 01:13:36,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 01:13:36,496 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (32), 5 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 327 [2022-07-14 01:13:36,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:13:36,528 INFO L225 Difference]: With dead ends: 5152 [2022-07-14 01:13:36,529 INFO L226 Difference]: Without dead ends: 2674 [2022-07-14 01:13:36,547 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-07-14 01:13:36,550 INFO L413 NwaCegarLoop]: 3293 mSDtfsCounter, 1892 mSDsluCounter, 2859 mSDsCounter, 0 mSdLazyCounter, 1842 mSolverCounterSat, 1609 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1926 SdHoareTripleChecker+Valid, 6152 SdHoareTripleChecker+Invalid, 3453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1609 IncrementalHoareTripleChecker+Valid, 1842 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-07-14 01:13:36,551 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1926 Valid, 6152 Invalid, 3453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1609 Valid, 1842 Invalid, 2 Unknown, 0 Unchecked, 8.6s Time] [2022-07-14 01:13:36,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states. [2022-07-14 01:13:36,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2443. [2022-07-14 01:13:36,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2443 states, 1752 states have (on average 1.3710045662100456) internal successors, (2402), 1812 states have internal predecessors, (2402), 572 states have call successors, (572), 119 states have call predecessors, (572), 118 states have return successors, (566), 557 states have call predecessors, (566), 566 states have call successors, (566) [2022-07-14 01:13:36,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2443 states to 2443 states and 3540 transitions. [2022-07-14 01:13:36,774 INFO L78 Accepts]: Start accepts. Automaton has 2443 states and 3540 transitions. Word has length 327 [2022-07-14 01:13:36,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:13:36,776 INFO L495 AbstractCegarLoop]: Abstraction has 2443 states and 3540 transitions. [2022-07-14 01:13:36,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (32), 5 states have call predecessors, (32), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-14 01:13:36,776 INFO L276 IsEmpty]: Start isEmpty. Operand 2443 states and 3540 transitions. [2022-07-14 01:13:36,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2022-07-14 01:13:36,784 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:13:36,784 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:13:36,785 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-14 01:13:36,785 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:13:36,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:13:36,786 INFO L85 PathProgramCache]: Analyzing trace with hash -899076339, now seen corresponding path program 1 times [2022-07-14 01:13:36,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:13:36,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76761068] [2022-07-14 01:13:36,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:13:36,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:13:37,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:13:37,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:13:37,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:13:37,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:37,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:13:37,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:13:37,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:37,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:13:37,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:13:37,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:37,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:13:37,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 01:13:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:37,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:13:37,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 01:13:37,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:37,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:13:37,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-14 01:13:37,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:37,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-14 01:13:37,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:37,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-14 01:13:37,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-14 01:13:37,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:37,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-14 01:13:37,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:37,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-14 01:13:37,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:37,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-14 01:13:37,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:37,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-14 01:13:37,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:37,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-14 01:13:37,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:37,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-14 01:13:37,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:37,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-14 01:13:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:37,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-14 01:13:37,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:37,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-14 01:13:37,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:37,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-14 01:13:37,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:37,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-14 01:13:37,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:37,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-07-14 01:13:37,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:37,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-14 01:13:37,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:37,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-14 01:13:37,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:37,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-14 01:13:37,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:37,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-07-14 01:13:37,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:37,617 INFO L134 CoverageAnalysis]: Checked inductivity of 1749 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1749 trivial. 0 not checked. [2022-07-14 01:13:37,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:13:37,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76761068] [2022-07-14 01:13:37,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76761068] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:13:37,618 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:13:37,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 01:13:37,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731216053] [2022-07-14 01:13:37,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:13:37,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 01:13:37,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:13:37,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 01:13:37,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-14 01:13:37,622 INFO L87 Difference]: Start difference. First operand 2443 states and 3540 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-14 01:13:42,355 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:13:46,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:13:46,457 INFO L93 Difference]: Finished difference Result 6895 states and 10011 transitions. [2022-07-14 01:13:46,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-14 01:13:46,461 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 327 [2022-07-14 01:13:46,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:13:46,490 INFO L225 Difference]: With dead ends: 6895 [2022-07-14 01:13:46,490 INFO L226 Difference]: Without dead ends: 4511 [2022-07-14 01:13:46,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-07-14 01:13:46,505 INFO L413 NwaCegarLoop]: 4101 mSDtfsCounter, 6225 mSDsluCounter, 4125 mSDsCounter, 0 mSdLazyCounter, 2898 mSolverCounterSat, 4010 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6463 SdHoareTripleChecker+Valid, 8226 SdHoareTripleChecker+Invalid, 6909 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4010 IncrementalHoareTripleChecker+Valid, 2898 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2022-07-14 01:13:46,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6463 Valid, 8226 Invalid, 6909 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4010 Valid, 2898 Invalid, 1 Unknown, 0 Unchecked, 8.5s Time] [2022-07-14 01:13:46,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4511 states. [2022-07-14 01:13:46,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4511 to 4131. [2022-07-14 01:13:46,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4131 states, 2970 states have (on average 1.367003367003367) internal successors, (4060), 3065 states have internal predecessors, (4060), 938 states have call successors, (938), 223 states have call predecessors, (938), 222 states have return successors, (932), 922 states have call predecessors, (932), 932 states have call successors, (932) [2022-07-14 01:13:46,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4131 states to 4131 states and 5930 transitions. [2022-07-14 01:13:46,711 INFO L78 Accepts]: Start accepts. Automaton has 4131 states and 5930 transitions. Word has length 327 [2022-07-14 01:13:46,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:13:46,714 INFO L495 AbstractCegarLoop]: Abstraction has 4131 states and 5930 transitions. [2022-07-14 01:13:46,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-14 01:13:46,714 INFO L276 IsEmpty]: Start isEmpty. Operand 4131 states and 5930 transitions. [2022-07-14 01:13:46,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2022-07-14 01:13:46,719 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:13:46,720 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:13:46,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-14 01:13:46,720 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:13:46,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:13:46,721 INFO L85 PathProgramCache]: Analyzing trace with hash 941441440, now seen corresponding path program 1 times [2022-07-14 01:13:46,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:13:46,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468160168] [2022-07-14 01:13:46,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:13:46,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:13:46,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:13:47,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:47,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:13:47,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:13:47,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:47,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:13:47,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:13:47,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:47,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:13:47,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:13:47,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:47,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:13:47,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 01:13:47,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:47,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:13:47,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 01:13:47,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:47,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:13:47,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-14 01:13:47,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:47,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-14 01:13:47,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:47,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-14 01:13:47,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:47,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-14 01:13:47,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:47,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-14 01:13:47,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:47,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-14 01:13:47,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:47,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-14 01:13:47,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:47,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-14 01:13:47,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:47,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-14 01:13:47,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:47,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-14 01:13:47,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:47,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-14 01:13:47,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:47,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-14 01:13:47,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:47,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-14 01:13:47,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:47,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-14 01:13:47,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:47,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-14 01:13:47,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:47,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-07-14 01:13:47,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:47,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-14 01:13:47,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:47,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-14 01:13:47,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:47,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-14 01:13:47,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:47,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:47,478 INFO L134 CoverageAnalysis]: Checked inductivity of 1749 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1749 trivial. 0 not checked. [2022-07-14 01:13:47,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:13:47,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468160168] [2022-07-14 01:13:47,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468160168] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:13:47,479 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:13:47,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 01:13:47,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388082774] [2022-07-14 01:13:47,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:13:47,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 01:13:47,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:13:47,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 01:13:47,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-14 01:13:47,482 INFO L87 Difference]: Start difference. First operand 4131 states and 5930 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-14 01:13:51,515 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:13:53,618 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:13:55,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:13:55,912 INFO L93 Difference]: Finished difference Result 4507 states and 6550 transitions. [2022-07-14 01:13:55,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 01:13:55,913 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 325 [2022-07-14 01:13:55,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:13:55,943 INFO L225 Difference]: With dead ends: 4507 [2022-07-14 01:13:55,943 INFO L226 Difference]: Without dead ends: 4504 [2022-07-14 01:13:55,947 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-07-14 01:13:55,948 INFO L413 NwaCegarLoop]: 3245 mSDtfsCounter, 4893 mSDsluCounter, 2817 mSDsCounter, 0 mSdLazyCounter, 1854 mSolverCounterSat, 2066 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5233 SdHoareTripleChecker+Valid, 6062 SdHoareTripleChecker+Invalid, 3922 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2066 IncrementalHoareTripleChecker+Valid, 1854 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-07-14 01:13:55,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5233 Valid, 6062 Invalid, 3922 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2066 Valid, 1854 Invalid, 2 Unknown, 0 Unchecked, 8.2s Time] [2022-07-14 01:13:55,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4504 states. [2022-07-14 01:13:56,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4504 to 4134. [2022-07-14 01:13:56,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4134 states, 2973 states have (on average 1.3666330306088126) internal successors, (4063), 3067 states have internal predecessors, (4063), 937 states have call successors, (937), 224 states have call predecessors, (937), 223 states have return successors, (932), 922 states have call predecessors, (932), 932 states have call successors, (932) [2022-07-14 01:13:56,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4134 states to 4134 states and 5932 transitions. [2022-07-14 01:13:56,123 INFO L78 Accepts]: Start accepts. Automaton has 4134 states and 5932 transitions. Word has length 325 [2022-07-14 01:13:56,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:13:56,125 INFO L495 AbstractCegarLoop]: Abstraction has 4134 states and 5932 transitions. [2022-07-14 01:13:56,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 3 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-14 01:13:56,127 INFO L276 IsEmpty]: Start isEmpty. Operand 4134 states and 5932 transitions. [2022-07-14 01:13:56,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2022-07-14 01:13:56,133 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:13:56,133 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:13:56,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-14 01:13:56,133 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:13:56,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:13:56,134 INFO L85 PathProgramCache]: Analyzing trace with hash -881036577, now seen corresponding path program 1 times [2022-07-14 01:13:56,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:13:56,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55769848] [2022-07-14 01:13:56,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:13:56,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:13:56,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:13:56,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:56,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:13:56,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:13:56,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:56,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:13:56,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:13:56,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:56,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:13:56,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:13:56,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:56,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:13:56,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 01:13:56,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:56,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:13:56,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 01:13:56,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:56,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:13:56,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-14 01:13:56,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:56,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-14 01:13:56,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:56,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-14 01:13:56,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:56,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-14 01:13:56,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:56,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-14 01:13:56,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:56,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-14 01:13:56,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:56,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-14 01:13:56,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:56,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-14 01:13:56,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:56,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-14 01:13:56,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:56,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-14 01:13:56,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:56,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-14 01:13:56,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:56,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-14 01:13:56,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:56,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-14 01:13:56,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:56,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-14 01:13:56,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:56,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-14 01:13:56,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:56,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-07-14 01:13:56,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:56,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-14 01:13:56,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:56,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-14 01:13:56,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:56,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-14 01:13:56,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:13:56,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:13:56,842 INFO L134 CoverageAnalysis]: Checked inductivity of 1749 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1749 trivial. 0 not checked. [2022-07-14 01:13:56,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:13:56,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55769848] [2022-07-14 01:13:56,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55769848] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:13:56,843 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:13:56,843 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 01:13:56,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709431018] [2022-07-14 01:13:56,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:13:56,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 01:13:56,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:13:56,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 01:13:56,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-14 01:13:56,845 INFO L87 Difference]: Start difference. First operand 4134 states and 5932 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-14 01:14:00,563 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:14:02,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:14:02,858 INFO L93 Difference]: Finished difference Result 4506 states and 6548 transitions. [2022-07-14 01:14:02,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 01:14:02,859 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 326 [2022-07-14 01:14:02,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:14:02,883 INFO L225 Difference]: With dead ends: 4506 [2022-07-14 01:14:02,884 INFO L226 Difference]: Without dead ends: 4503 [2022-07-14 01:14:02,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-07-14 01:14:02,890 INFO L413 NwaCegarLoop]: 3243 mSDtfsCounter, 4891 mSDsluCounter, 2817 mSDsCounter, 0 mSdLazyCounter, 1855 mSolverCounterSat, 2064 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5231 SdHoareTripleChecker+Valid, 6060 SdHoareTripleChecker+Invalid, 3920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2064 IncrementalHoareTripleChecker+Valid, 1855 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-07-14 01:14:02,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5231 Valid, 6060 Invalid, 3920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2064 Valid, 1855 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2022-07-14 01:14:02,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4503 states. [2022-07-14 01:14:03,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4503 to 4133. [2022-07-14 01:14:03,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4133 states, 2973 states have (on average 1.3662966700302726) internal successors, (4062), 3066 states have internal predecessors, (4062), 936 states have call successors, (936), 224 states have call predecessors, (936), 223 states have return successors, (932), 922 states have call predecessors, (932), 932 states have call successors, (932) [2022-07-14 01:14:03,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4133 states to 4133 states and 5930 transitions. [2022-07-14 01:14:03,065 INFO L78 Accepts]: Start accepts. Automaton has 4133 states and 5930 transitions. Word has length 326 [2022-07-14 01:14:03,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:14:03,066 INFO L495 AbstractCegarLoop]: Abstraction has 4133 states and 5930 transitions. [2022-07-14 01:14:03,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-14 01:14:03,078 INFO L276 IsEmpty]: Start isEmpty. Operand 4133 states and 5930 transitions. [2022-07-14 01:14:03,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2022-07-14 01:14:03,083 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:14:03,083 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:14:03,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-14 01:14:03,084 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:14:03,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:14:03,084 INFO L85 PathProgramCache]: Analyzing trace with hash -1543275389, now seen corresponding path program 1 times [2022-07-14 01:14:03,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:14:03,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279440691] [2022-07-14 01:14:03,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:14:03,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:14:03,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:14:03,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:03,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:14:03,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:14:03,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:03,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:14:03,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:14:03,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:03,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:14:03,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:14:03,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:03,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:14:03,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 01:14:03,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:03,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:14:03,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 01:14:03,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:03,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:14:03,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-14 01:14:03,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:03,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-14 01:14:03,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:03,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-14 01:14:03,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:03,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-14 01:14:03,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:03,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-14 01:14:03,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:03,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-14 01:14:03,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:03,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-14 01:14:03,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:03,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-14 01:14:03,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:03,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-14 01:14:03,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:03,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-14 01:14:03,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:03,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-14 01:14:03,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:03,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-14 01:14:03,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:03,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-14 01:14:03,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:03,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-14 01:14:03,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:03,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-14 01:14:03,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:03,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-07-14 01:14:03,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:03,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-14 01:14:03,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:03,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-14 01:14:03,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:03,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-14 01:14:03,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:03,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:03,794 INFO L134 CoverageAnalysis]: Checked inductivity of 1749 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1749 trivial. 0 not checked. [2022-07-14 01:14:03,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:14:03,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279440691] [2022-07-14 01:14:03,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279440691] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:14:03,794 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:14:03,795 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 01:14:03,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013415277] [2022-07-14 01:14:03,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:14:03,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 01:14:03,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:14:03,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 01:14:03,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-14 01:14:03,797 INFO L87 Difference]: Start difference. First operand 4133 states and 5930 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-14 01:14:07,616 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:14:09,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:14:09,932 INFO L93 Difference]: Finished difference Result 4505 states and 6546 transitions. [2022-07-14 01:14:09,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 01:14:09,933 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 327 [2022-07-14 01:14:09,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:14:09,959 INFO L225 Difference]: With dead ends: 4505 [2022-07-14 01:14:09,959 INFO L226 Difference]: Without dead ends: 4502 [2022-07-14 01:14:09,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-07-14 01:14:09,964 INFO L413 NwaCegarLoop]: 3246 mSDtfsCounter, 4887 mSDsluCounter, 2821 mSDsCounter, 0 mSdLazyCounter, 1857 mSolverCounterSat, 2062 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5222 SdHoareTripleChecker+Valid, 6067 SdHoareTripleChecker+Invalid, 3920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2062 IncrementalHoareTripleChecker+Valid, 1857 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-07-14 01:14:09,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5222 Valid, 6067 Invalid, 3920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2062 Valid, 1857 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2022-07-14 01:14:09,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4502 states. [2022-07-14 01:14:10,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4502 to 4132. [2022-07-14 01:14:10,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4132 states, 2973 states have (on average 1.3659603094517323) internal successors, (4061), 3065 states have internal predecessors, (4061), 935 states have call successors, (935), 224 states have call predecessors, (935), 223 states have return successors, (932), 922 states have call predecessors, (932), 932 states have call successors, (932) [2022-07-14 01:14:10,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4132 states to 4132 states and 5928 transitions. [2022-07-14 01:14:10,150 INFO L78 Accepts]: Start accepts. Automaton has 4132 states and 5928 transitions. Word has length 327 [2022-07-14 01:14:10,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:14:10,151 INFO L495 AbstractCegarLoop]: Abstraction has 4132 states and 5928 transitions. [2022-07-14 01:14:10,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-14 01:14:10,151 INFO L276 IsEmpty]: Start isEmpty. Operand 4132 states and 5928 transitions. [2022-07-14 01:14:10,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2022-07-14 01:14:10,156 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:14:10,156 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:14:10,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-14 01:14:10,156 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:14:10,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:14:10,157 INFO L85 PathProgramCache]: Analyzing trace with hash -597837214, now seen corresponding path program 1 times [2022-07-14 01:14:10,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:14:10,157 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906682542] [2022-07-14 01:14:10,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:14:10,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:14:10,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:14:10,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:10,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:14:10,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:14:10,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:10,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:14:10,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:14:10,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:10,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:14:10,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:14:10,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:10,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:14:10,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 01:14:10,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:10,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:14:10,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 01:14:10,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:10,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:14:10,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-14 01:14:10,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:10,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-14 01:14:10,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:10,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-14 01:14:10,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:10,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-14 01:14:10,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:10,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-14 01:14:10,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:10,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-14 01:14:10,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:10,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-14 01:14:10,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:10,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-14 01:14:10,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:10,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-14 01:14:10,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:10,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-14 01:14:10,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:10,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-14 01:14:10,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:10,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-14 01:14:10,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:10,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-14 01:14:10,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:10,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-14 01:14:10,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:10,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-14 01:14:10,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:10,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-07-14 01:14:10,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:10,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-14 01:14:10,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:10,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-14 01:14:10,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:10,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-14 01:14:10,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:10,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:10,864 INFO L134 CoverageAnalysis]: Checked inductivity of 1749 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1749 trivial. 0 not checked. [2022-07-14 01:14:10,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:14:10,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906682542] [2022-07-14 01:14:10,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906682542] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:14:10,864 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:14:10,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-14 01:14:10,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310535526] [2022-07-14 01:14:10,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:14:10,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-14 01:14:10,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:14:10,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-14 01:14:10,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-14 01:14:10,867 INFO L87 Difference]: Start difference. First operand 4132 states and 5928 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-14 01:14:14,076 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:14:16,914 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:14:19,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:14:19,199 INFO L93 Difference]: Finished difference Result 4616 states and 6684 transitions. [2022-07-14 01:14:19,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-14 01:14:19,199 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 328 [2022-07-14 01:14:19,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:14:19,225 INFO L225 Difference]: With dead ends: 4616 [2022-07-14 01:14:19,225 INFO L226 Difference]: Without dead ends: 4597 [2022-07-14 01:14:19,228 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2022-07-14 01:14:19,229 INFO L413 NwaCegarLoop]: 3289 mSDtfsCounter, 4696 mSDsluCounter, 2956 mSDsCounter, 0 mSdLazyCounter, 1940 mSolverCounterSat, 2053 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5005 SdHoareTripleChecker+Valid, 6245 SdHoareTripleChecker+Invalid, 3995 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2053 IncrementalHoareTripleChecker+Valid, 1940 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-07-14 01:14:19,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5005 Valid, 6245 Invalid, 3995 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2053 Valid, 1940 Invalid, 2 Unknown, 0 Unchecked, 8.1s Time] [2022-07-14 01:14:19,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4597 states. [2022-07-14 01:14:19,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4597 to 4231. [2022-07-14 01:14:19,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4231 states, 3042 states have (on average 1.3629191321499015) internal successors, (4146), 3135 states have internal predecessors, (4146), 953 states have call successors, (953), 238 states have call predecessors, (953), 235 states have return successors, (948), 939 states have call predecessors, (948), 948 states have call successors, (948) [2022-07-14 01:14:19,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4231 states to 4231 states and 6047 transitions. [2022-07-14 01:14:19,413 INFO L78 Accepts]: Start accepts. Automaton has 4231 states and 6047 transitions. Word has length 328 [2022-07-14 01:14:19,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:14:19,415 INFO L495 AbstractCegarLoop]: Abstraction has 4231 states and 6047 transitions. [2022-07-14 01:14:19,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (29), 5 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-14 01:14:19,415 INFO L276 IsEmpty]: Start isEmpty. Operand 4231 states and 6047 transitions. [2022-07-14 01:14:19,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2022-07-14 01:14:19,427 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:14:19,427 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:14:19,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-14 01:14:19,428 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:14:19,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:14:19,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1254429493, now seen corresponding path program 1 times [2022-07-14 01:14:19,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:14:19,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466026095] [2022-07-14 01:14:19,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:14:19,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:14:19,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:19,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:14:19,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:19,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:19,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:19,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:14:19,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:19,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:14:19,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:19,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:19,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:19,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:14:19,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:19,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:14:19,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:19,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:19,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:19,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:14:19,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:19,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:14:19,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:19,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:19,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:19,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:14:19,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:19,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 01:14:19,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:19,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:19,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:19,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:14:19,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:19,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 01:14:19,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:19,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:19,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:19,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:14:19,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:19,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-14 01:14:19,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:19,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:19,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:19,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-14 01:14:19,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:19,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:19,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:19,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-14 01:14:19,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:19,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:19,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:19,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-14 01:14:19,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:19,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:19,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:19,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-14 01:14:19,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:19,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:19,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:19,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-14 01:14:19,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:19,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:19,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:19,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-14 01:14:19,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:19,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:19,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:19,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-14 01:14:19,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:19,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:19,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:19,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-14 01:14:19,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:19,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:19,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:19,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-14 01:14:19,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:19,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:19,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:19,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-14 01:14:19,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:20,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:20,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:20,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-14 01:14:20,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:20,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:20,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:20,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-14 01:14:20,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:20,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:20,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:20,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-14 01:14:20,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:20,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:20,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:20,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-14 01:14:20,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:20,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:20,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:20,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-07-14 01:14:20,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:20,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:20,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:20,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-14 01:14:20,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:20,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:20,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:20,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-14 01:14:20,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:20,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:20,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:20,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-14 01:14:20,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:20,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:20,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:20,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-14 01:14:20,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:20,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-07-14 01:14:20,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:20,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-14 01:14:20,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:20,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-07-14 01:14:20,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:20,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-14 01:14:20,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:20,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2022-07-14 01:14:20,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:20,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-14 01:14:20,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:20,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:20,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:20,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 01:14:20,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:20,132 INFO L134 CoverageAnalysis]: Checked inductivity of 1761 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1761 trivial. 0 not checked. [2022-07-14 01:14:20,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:14:20,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466026095] [2022-07-14 01:14:20,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466026095] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:14:20,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:14:20,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-14 01:14:20,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262186497] [2022-07-14 01:14:20,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:14:20,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-14 01:14:20,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:14:20,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 01:14:20,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-14 01:14:20,135 INFO L87 Difference]: Start difference. First operand 4231 states and 6047 transitions. Second operand has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-07-14 01:14:26,119 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:14:28,199 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:14:30,323 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:14:32,546 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:14:36,751 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:14:38,866 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:14:41,334 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:14:44,476 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:14:46,588 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:14:50,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:14:50,058 INFO L93 Difference]: Finished difference Result 13619 states and 19679 transitions. [2022-07-14 01:14:50,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-14 01:14:50,059 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 398 [2022-07-14 01:14:50,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:14:50,118 INFO L225 Difference]: With dead ends: 13619 [2022-07-14 01:14:50,119 INFO L226 Difference]: Without dead ends: 9447 [2022-07-14 01:14:50,146 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2022-07-14 01:14:50,148 INFO L413 NwaCegarLoop]: 4833 mSDtfsCounter, 7886 mSDsluCounter, 5810 mSDsCounter, 0 mSdLazyCounter, 8009 mSolverCounterSat, 4907 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8315 SdHoareTripleChecker+Valid, 10643 SdHoareTripleChecker+Invalid, 12925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4907 IncrementalHoareTripleChecker+Valid, 8009 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.4s IncrementalHoareTripleChecker+Time [2022-07-14 01:14:50,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8315 Valid, 10643 Invalid, 12925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4907 Valid, 8009 Invalid, 9 Unknown, 0 Unchecked, 29.4s Time] [2022-07-14 01:14:50,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9447 states. [2022-07-14 01:14:50,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9447 to 8318. [2022-07-14 01:14:50,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8318 states, 5994 states have (on average 1.3643643643643644) internal successors, (8178), 6173 states have internal predecessors, (8178), 1855 states have call successors, (1855), 469 states have call predecessors, (1855), 468 states have return successors, (1860), 1833 states have call predecessors, (1860), 1850 states have call successors, (1860) [2022-07-14 01:14:50,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8318 states to 8318 states and 11893 transitions. [2022-07-14 01:14:50,533 INFO L78 Accepts]: Start accepts. Automaton has 8318 states and 11893 transitions. Word has length 398 [2022-07-14 01:14:50,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:14:50,533 INFO L495 AbstractCegarLoop]: Abstraction has 8318 states and 11893 transitions. [2022-07-14 01:14:50,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.714285714285714) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (43), 6 states have call predecessors, (43), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-07-14 01:14:50,534 INFO L276 IsEmpty]: Start isEmpty. Operand 8318 states and 11893 transitions. [2022-07-14 01:14:50,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 394 [2022-07-14 01:14:50,544 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:14:50,544 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:14:50,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-14 01:14:50,544 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:14:50,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:14:50,545 INFO L85 PathProgramCache]: Analyzing trace with hash 216347951, now seen corresponding path program 1 times [2022-07-14 01:14:50,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:14:50,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459177827] [2022-07-14 01:14:50,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:14:50,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:14:50,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:50,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:14:50,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:50,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:50,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:50,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:14:50,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:50,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:14:50,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:50,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:50,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:50,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:14:50,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:50,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:14:50,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:50,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:50,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:50,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:14:50,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:50,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:14:50,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:50,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:50,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:50,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:14:50,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:50,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 01:14:50,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:50,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:50,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:50,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:14:50,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:50,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 01:14:50,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:50,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:50,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:50,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:14:50,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:50,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-14 01:14:50,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:50,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:50,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:50,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-14 01:14:50,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:50,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:50,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:50,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-14 01:14:50,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:50,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:50,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:50,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-14 01:14:50,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:50,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:50,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:50,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-14 01:14:50,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:50,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:50,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:50,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-14 01:14:50,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:51,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:51,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:51,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-14 01:14:51,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:51,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:51,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:51,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-14 01:14:51,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:51,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:51,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:51,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-14 01:14:51,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:51,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:51,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:51,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-14 01:14:51,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:51,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:51,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:51,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-14 01:14:51,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:51,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:51,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:51,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-14 01:14:51,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:51,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:51,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:51,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-14 01:14:51,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:51,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:51,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:51,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-14 01:14:51,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:51,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:51,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:51,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-14 01:14:51,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:51,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:51,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:51,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-07-14 01:14:51,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:51,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:51,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:51,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-14 01:14:51,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:51,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:51,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:51,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-14 01:14:51,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:51,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:51,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:51,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-14 01:14:51,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:51,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:51,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:51,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2022-07-14 01:14:51,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:51,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-07-14 01:14:51,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:51,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-14 01:14:51,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:51,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-07-14 01:14:51,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:51,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-07-14 01:14:51,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:51,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-07-14 01:14:51,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:51,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2022-07-14 01:14:51,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:51,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:14:51,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:51,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 01:14:51,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:14:51,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1761 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1761 trivial. 0 not checked. [2022-07-14 01:14:51,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:14:51,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459177827] [2022-07-14 01:14:51,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459177827] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:14:51,219 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:14:51,219 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-14 01:14:51,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807068628] [2022-07-14 01:14:51,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:14:51,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-14 01:14:51,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:14:51,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 01:14:51,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-14 01:14:51,221 INFO L87 Difference]: Start difference. First operand 8318 states and 11893 transitions. Second operand has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (41), 6 states have call predecessors, (41), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-07-14 01:14:55,306 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:14:58,758 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:15:00,871 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:15:02,963 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:15:05,088 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:15:09,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:15:09,683 INFO L93 Difference]: Finished difference Result 18640 states and 27092 transitions. [2022-07-14 01:15:09,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-14 01:15:09,684 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (41), 6 states have call predecessors, (41), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 393 [2022-07-14 01:15:09,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:15:09,734 INFO L225 Difference]: With dead ends: 18640 [2022-07-14 01:15:09,734 INFO L226 Difference]: Without dead ends: 10391 [2022-07-14 01:15:09,778 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-07-14 01:15:09,778 INFO L413 NwaCegarLoop]: 3321 mSDtfsCounter, 3664 mSDsluCounter, 4708 mSDsCounter, 0 mSdLazyCounter, 5760 mSolverCounterSat, 2721 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3862 SdHoareTripleChecker+Valid, 8029 SdHoareTripleChecker+Invalid, 8486 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2721 IncrementalHoareTripleChecker+Valid, 5760 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.9s IncrementalHoareTripleChecker+Time [2022-07-14 01:15:09,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3862 Valid, 8029 Invalid, 8486 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2721 Valid, 5760 Invalid, 5 Unknown, 0 Unchecked, 17.9s Time] [2022-07-14 01:15:09,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10391 states. [2022-07-14 01:15:10,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10391 to 8586. [2022-07-14 01:15:10,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8586 states, 6198 states have (on average 1.3607615359793481) internal successors, (8434), 6377 states have internal predecessors, (8434), 1919 states have call successors, (1919), 469 states have call predecessors, (1919), 468 states have return successors, (1924), 1897 states have call predecessors, (1924), 1914 states have call successors, (1924) [2022-07-14 01:15:10,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8586 states to 8586 states and 12277 transitions. [2022-07-14 01:15:10,238 INFO L78 Accepts]: Start accepts. Automaton has 8586 states and 12277 transitions. Word has length 393 [2022-07-14 01:15:10,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:15:10,239 INFO L495 AbstractCegarLoop]: Abstraction has 8586 states and 12277 transitions. [2022-07-14 01:15:10,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.285714285714286) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (41), 6 states have call predecessors, (41), 1 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-07-14 01:15:10,239 INFO L276 IsEmpty]: Start isEmpty. Operand 8586 states and 12277 transitions. [2022-07-14 01:15:10,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2022-07-14 01:15:10,250 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:15:10,250 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:15:10,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-14 01:15:10,251 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:15:10,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:15:10,251 INFO L85 PathProgramCache]: Analyzing trace with hash -661210648, now seen corresponding path program 1 times [2022-07-14 01:15:10,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:15:10,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500561389] [2022-07-14 01:15:10,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:15:10,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:15:10,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:15:10,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:15:10,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:15:10,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:15:10,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:15:10,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:15:10,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:15:10,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:15:10,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:15:10,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:15:10,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:15:10,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:15:10,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 01:15:10,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:15:10,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:15:10,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 01:15:10,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:15:10,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:15:10,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-14 01:15:10,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:15:10,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-14 01:15:10,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:15:10,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-14 01:15:10,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:15:10,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-14 01:15:10,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:15:10,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-14 01:15:10,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:15:10,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-14 01:15:10,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:15:10,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-14 01:15:10,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:15:10,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-14 01:15:10,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:15:10,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-14 01:15:10,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:15:10,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-14 01:15:10,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:15:10,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-14 01:15:10,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:15:10,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-14 01:15:10,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:15:10,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-14 01:15:10,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:15:10,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-14 01:15:10,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:15:10,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-14 01:15:10,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:15:10,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-07-14 01:15:10,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:15:10,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-14 01:15:10,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:15:10,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-14 01:15:10,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:15:10,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-14 01:15:10,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:15:10,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-07-14 01:15:10,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-14 01:15:10,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-07-14 01:15:10,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-14 01:15:10,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2022-07-14 01:15:10,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-07-14 01:15:10,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-07-14 01:15:10,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:15:10,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 01:15:10,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:10,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1761 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1761 trivial. 0 not checked. [2022-07-14 01:15:10,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:15:10,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500561389] [2022-07-14 01:15:10,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500561389] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:15:10,860 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:15:10,860 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-14 01:15:10,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477773035] [2022-07-14 01:15:10,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:15:10,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-14 01:15:10,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:15:10,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 01:15:10,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-14 01:15:10,862 INFO L87 Difference]: Start difference. First operand 8586 states and 12277 transitions. Second operand has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (41), 6 states have call predecessors, (41), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-07-14 01:15:16,432 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:15:18,596 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:15:22,167 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:15:24,276 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:15:27,081 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:15:29,212 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-07-14 01:15:31,311 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:15:33,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:15:33,546 INFO L93 Difference]: Finished difference Result 18296 states and 26570 transitions. [2022-07-14 01:15:33,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-14 01:15:33,546 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (41), 6 states have call predecessors, (41), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 397 [2022-07-14 01:15:33,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:15:33,589 INFO L225 Difference]: With dead ends: 18296 [2022-07-14 01:15:33,589 INFO L226 Difference]: Without dead ends: 9779 [2022-07-14 01:15:33,624 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2022-07-14 01:15:33,625 INFO L413 NwaCegarLoop]: 3108 mSDtfsCounter, 3356 mSDsluCounter, 5437 mSDsCounter, 0 mSdLazyCounter, 6456 mSolverCounterSat, 2527 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3511 SdHoareTripleChecker+Valid, 8545 SdHoareTripleChecker+Invalid, 8990 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2527 IncrementalHoareTripleChecker+Valid, 6456 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.2s IncrementalHoareTripleChecker+Time [2022-07-14 01:15:33,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3511 Valid, 8545 Invalid, 8990 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2527 Valid, 6456 Invalid, 7 Unknown, 0 Unchecked, 22.2s Time] [2022-07-14 01:15:33,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9779 states. [2022-07-14 01:15:33,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9779 to 8634. [2022-07-14 01:15:33,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8634 states, 6238 states have (on average 1.3610131452388585) internal successors, (8490), 6417 states have internal predecessors, (8490), 1927 states have call successors, (1927), 469 states have call predecessors, (1927), 468 states have return successors, (1932), 1905 states have call predecessors, (1932), 1922 states have call successors, (1932) [2022-07-14 01:15:33,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8634 states to 8634 states and 12349 transitions. [2022-07-14 01:15:33,987 INFO L78 Accepts]: Start accepts. Automaton has 8634 states and 12349 transitions. Word has length 397 [2022-07-14 01:15:33,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:15:33,988 INFO L495 AbstractCegarLoop]: Abstraction has 8634 states and 12349 transitions. [2022-07-14 01:15:33,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (41), 6 states have call predecessors, (41), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-07-14 01:15:33,988 INFO L276 IsEmpty]: Start isEmpty. Operand 8634 states and 12349 transitions. [2022-07-14 01:15:34,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2022-07-14 01:15:34,001 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 01:15:34,001 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 19, 19, 19, 19, 19, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 01:15:34,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-14 01:15:34,001 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 01:15:34,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 01:15:34,002 INFO L85 PathProgramCache]: Analyzing trace with hash 1065563856, now seen corresponding path program 1 times [2022-07-14 01:15:34,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 01:15:34,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002864374] [2022-07-14 01:15:34,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 01:15:34,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 01:15:34,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-14 01:15:34,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:15:34,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:15:34,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-14 01:15:34,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:15:34,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:15:34,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-14 01:15:34,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:15:34,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:15:34,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-14 01:15:34,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:15:34,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:15:34,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-14 01:15:34,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:15:34,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:15:34,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-14 01:15:34,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:15:34,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-14 01:15:34,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-14 01:15:34,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:15:34,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2022-07-14 01:15:34,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:15:34,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2022-07-14 01:15:34,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:15:34,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-14 01:15:34,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:15:34,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-14 01:15:34,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:15:34,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-07-14 01:15:34,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:15:34,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-14 01:15:34,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:15:34,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-14 01:15:34,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:15:34,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-14 01:15:34,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:15:34,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2022-07-14 01:15:34,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:15:34,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-14 01:15:34,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:15:34,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-07-14 01:15:34,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:15:34,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-14 01:15:34,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:15:34,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-14 01:15:34,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:15:34,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-14 01:15:34,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:15:34,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2022-07-14 01:15:34,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:15:34,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-14 01:15:34,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:15:34,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2022-07-14 01:15:34,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:15:34,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2022-07-14 01:15:34,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:15:34,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-07-14 01:15:34,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-07-14 01:15:34,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2022-07-14 01:15:34,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-14 01:15:34,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2022-07-14 01:15:34,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2022-07-14 01:15:34,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-07-14 01:15:34,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 01:15:34,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-14 01:15:34,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 01:15:34,642 INFO L134 CoverageAnalysis]: Checked inductivity of 1773 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1773 trivial. 0 not checked. [2022-07-14 01:15:34,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 01:15:34,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002864374] [2022-07-14 01:15:34,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002864374] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 01:15:34,642 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 01:15:34,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-14 01:15:34,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107359006] [2022-07-14 01:15:34,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 01:15:34,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-14 01:15:34,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 01:15:34,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-14 01:15:34,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-14 01:15:34,644 INFO L87 Difference]: Start difference. First operand 8634 states and 12349 transitions. Second operand has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (41), 7 states have call predecessors, (41), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-07-14 01:15:39,887 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:15:43,695 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:15:45,795 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 01:15:47,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 01:15:47,598 INFO L93 Difference]: Finished difference Result 9755 states and 14159 transitions. [2022-07-14 01:15:47,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-14 01:15:47,598 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (41), 7 states have call predecessors, (41), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 400 [2022-07-14 01:15:47,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 01:15:47,600 INFO L225 Difference]: With dead ends: 9755 [2022-07-14 01:15:47,600 INFO L226 Difference]: Without dead ends: 0 [2022-07-14 01:15:47,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 132 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2022-07-14 01:15:47,620 INFO L413 NwaCegarLoop]: 3106 mSDtfsCounter, 4501 mSDsluCounter, 3393 mSDsCounter, 0 mSdLazyCounter, 4328 mSolverCounterSat, 3452 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4662 SdHoareTripleChecker+Valid, 6499 SdHoareTripleChecker+Invalid, 7783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3452 IncrementalHoareTripleChecker+Valid, 4328 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2022-07-14 01:15:47,621 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4662 Valid, 6499 Invalid, 7783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3452 Valid, 4328 Invalid, 3 Unknown, 0 Unchecked, 12.5s Time] [2022-07-14 01:15:47,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-14 01:15:47,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-14 01:15:47,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 01:15:47,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-14 01:15:47,624 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 400 [2022-07-14 01:15:47,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 01:15:47,624 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 01:15:47,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.857142857142858) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (41), 7 states have call predecessors, (41), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2022-07-14 01:15:47,624 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-14 01:15:47,624 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-14 01:15:47,627 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-14 01:15:47,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-14 01:15:47,629 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-14 01:16:18,078 WARN L233 SmtUtils]: Spent 6.50s on a formula simplification. DAG size of input: 64 DAG size of output: 61 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-07-14 01:16:24,569 WARN L233 SmtUtils]: Spent 6.49s on a formula simplification. DAG size of input: 64 DAG size of output: 61 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-07-14 01:16:34,749 WARN L233 SmtUtils]: Spent 6.38s on a formula simplification. DAG size of input: 66 DAG size of output: 63 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-07-14 01:16:44,877 WARN L233 SmtUtils]: Spent 6.40s on a formula simplification. DAG size of input: 66 DAG size of output: 63 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-07-14 01:16:55,394 WARN L233 SmtUtils]: Spent 6.74s on a formula simplification. DAG size of input: 66 DAG size of output: 63 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-07-14 01:17:03,670 WARN L233 SmtUtils]: Spent 6.40s on a formula simplification. DAG size of input: 64 DAG size of output: 61 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-07-14 01:17:10,473 WARN L233 SmtUtils]: Spent 6.80s on a formula simplification. DAG size of input: 64 DAG size of output: 61 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or)