./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbevf-ixgbevf.cil.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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbevf-ixgbevf.cil.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 807baa6191d907795e80ff5436f6f636b6dbcf7109bdc782ca0ac1b857ff64f7 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 03:10:34,675 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 03:10:34,677 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 03:10:34,717 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 03:10:34,718 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 03:10:34,719 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 03:10:34,723 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 03:10:34,729 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 03:10:34,730 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 03:10:34,732 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 03:10:34,733 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 03:10:34,734 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 03:10:34,734 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 03:10:34,735 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 03:10:34,736 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 03:10:34,737 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 03:10:34,737 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 03:10:34,738 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 03:10:34,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 03:10:34,744 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 03:10:34,748 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 03:10:34,749 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 03:10:34,750 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 03:10:34,751 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 03:10:34,752 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 03:10:34,755 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 03:10:34,756 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 03:10:34,756 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 03:10:34,757 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 03:10:34,758 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 03:10:34,758 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 03:10:34,759 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 03:10:34,760 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 03:10:34,761 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 03:10:34,761 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 03:10:34,763 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 03:10:34,763 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 03:10:34,763 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 03:10:34,764 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 03:10:34,764 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 03:10:34,764 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 03:10:34,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 03:10:34,769 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 03:10:34,795 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 03:10:34,796 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 03:10:34,796 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 03:10:34,796 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 03:10:34,797 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 03:10:34,797 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 03:10:34,797 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 03:10:34,797 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 03:10:34,798 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 03:10:34,798 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 03:10:34,799 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 03:10:34,799 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 03:10:34,799 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 03:10:34,799 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 03:10:34,799 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 03:10:34,800 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 03:10:34,800 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 03:10:34,800 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 03:10:34,800 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 03:10:34,800 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 03:10:34,800 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 03:10:34,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 03:10:34,801 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 03:10:34,801 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 03:10:34,801 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 03:10:34,801 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 03:10:34,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 03:10:34,802 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 03:10:34,802 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 03:10:34,802 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 03:10:34,802 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 807baa6191d907795e80ff5436f6f636b6dbcf7109bdc782ca0ac1b857ff64f7 [2022-07-14 03:10:35,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 03:10:35,023 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 03:10:35,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 03:10:35,028 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 03:10:35,028 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 03:10:35,029 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbevf-ixgbevf.cil.i [2022-07-14 03:10:35,083 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1524fee59/13a9050e72424e009c90f5ee31fbbbcf/FLAG05308f861 [2022-07-14 03:10:35,922 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 03:10:35,923 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbevf-ixgbevf.cil.i [2022-07-14 03:10:36,000 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1524fee59/13a9050e72424e009c90f5ee31fbbbcf/FLAG05308f861 [2022-07-14 03:10:36,370 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1524fee59/13a9050e72424e009c90f5ee31fbbbcf [2022-07-14 03:10:36,372 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 03:10:36,374 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 03:10:36,376 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 03:10:36,376 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 03:10:36,381 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 03:10:36,381 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:10:36" (1/1) ... [2022-07-14 03:10:36,382 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5400768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:10:36, skipping insertion in model container [2022-07-14 03:10:36,382 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:10:36" (1/1) ... [2022-07-14 03:10:36,388 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 03:10:36,577 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 03:10:40,735 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbevf-ixgbevf.cil.i[513173,513186] [2022-07-14 03:10:40,738 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbevf-ixgbevf.cil.i[513320,513333] [2022-07-14 03:10:40,739 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbevf-ixgbevf.cil.i[513459,513472] [2022-07-14 03:10:40,740 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbevf-ixgbevf.cil.i[513617,513630] [2022-07-14 03:10:40,775 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:10:40,842 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 03:10:41,465 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbevf-ixgbevf.cil.i[513173,513186] [2022-07-14 03:10:41,466 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbevf-ixgbevf.cil.i[513320,513333] [2022-07-14 03:10:41,466 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbevf-ixgbevf.cil.i[513459,513472] [2022-07-14 03:10:41,467 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-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbevf-ixgbevf.cil.i[513617,513630] [2022-07-14 03:10:41,476 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:10:41,778 INFO L208 MainTranslator]: Completed translation [2022-07-14 03:10:41,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:10:41 WrapperNode [2022-07-14 03:10:41,780 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 03:10:41,781 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 03:10:41,781 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 03:10:41,781 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 03:10:41,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:10:41" (1/1) ... [2022-07-14 03:10:41,927 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:10:41" (1/1) ... [2022-07-14 03:10:42,247 INFO L137 Inliner]: procedures = 619, calls = 4107, calls flagged for inlining = 350, calls inlined = 330, statements flattened = 10294 [2022-07-14 03:10:42,248 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 03:10:42,249 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 03:10:42,249 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 03:10:42,249 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 03:10:42,260 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:10:41" (1/1) ... [2022-07-14 03:10:42,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:10:41" (1/1) ... [2022-07-14 03:10:42,368 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:10:41" (1/1) ... [2022-07-14 03:10:42,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:10:41" (1/1) ... [2022-07-14 03:10:42,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:10:41" (1/1) ... [2022-07-14 03:10:42,623 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:10:41" (1/1) ... [2022-07-14 03:10:42,699 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:10:41" (1/1) ... [2022-07-14 03:10:42,890 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 03:10:42,891 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 03:10:42,891 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 03:10:42,892 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 03:10:42,896 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:10:41" (1/1) ... [2022-07-14 03:10:42,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 03:10:42,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 03:10:42,928 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 03:10:42,947 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 03:10:42,964 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-07-14 03:10:42,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-07-14 03:10:42,964 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-14 03:10:42,964 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-14 03:10:42,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 03:10:42,965 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 03:10:42,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2022-07-14 03:10:42,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2022-07-14 03:10:42,965 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_clean_rx_irq [2022-07-14 03:10:42,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_clean_rx_irq [2022-07-14 03:10:42,965 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_setup_rx_resources [2022-07-14 03:10:42,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_setup_rx_resources [2022-07-14 03:10:42,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 03:10:42,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 03:10:42,966 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_tx_ctxtdesc [2022-07-14 03:10:42,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_tx_ctxtdesc [2022-07-14 03:10:42,966 INFO L130 BoogieDeclarations]: Found specification of procedure skb_header_pointer [2022-07-14 03:10:42,966 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_header_pointer [2022-07-14 03:10:42,967 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-14 03:10:42,967 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-14 03:10:42,967 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_write_eitr [2022-07-14 03:10:42,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_write_eitr [2022-07-14 03:10:42,967 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-07-14 03:10:42,967 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-07-14 03:10:42,967 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_set_uc_addr_vf [2022-07-14 03:10:42,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_set_uc_addr_vf [2022-07-14 03:10:42,968 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-07-14 03:10:42,968 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-07-14 03:10:42,968 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-14 03:10:42,968 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-14 03:10:42,968 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-14 03:10:42,968 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-14 03:10:42,969 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~bool~0~TO~~s32~0 [2022-07-14 03:10:42,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~bool~0~TO~~s32~0 [2022-07-14 03:10:42,969 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-14 03:10:42,969 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-14 03:10:42,969 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_desc_unused [2022-07-14 03:10:42,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_desc_unused [2022-07-14 03:10:42,969 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_poll_for_ack [2022-07-14 03:10:42,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_poll_for_ack [2022-07-14 03:10:42,970 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_setup_tx_resources [2022-07-14 03:10:42,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_setup_tx_resources [2022-07-14 03:10:42,970 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_remove [2022-07-14 03:10:42,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_remove [2022-07-14 03:10:42,970 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-14 03:10:42,971 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-14 03:10:42,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-14 03:10:42,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-14 03:10:42,971 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-14 03:10:42,972 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-14 03:10:42,972 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-14 03:10:42,973 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-14 03:10:42,973 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-14 03:10:42,973 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-14 03:10:42,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 03:10:42,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 03:10:42,974 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-07-14 03:10:42,974 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-07-14 03:10:42,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 03:10:42,975 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-14 03:10:42,975 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-14 03:10:42,975 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_resume [2022-07-14 03:10:42,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_resume [2022-07-14 03:10:42,975 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-07-14 03:10:42,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-07-14 03:10:42,975 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-14 03:10:42,976 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-14 03:10:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-14 03:10:42,976 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-14 03:10:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_write_mbx_vf [2022-07-14 03:10:42,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_write_mbx_vf [2022-07-14 03:10:42,977 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_read_posted_mbx [2022-07-14 03:10:42,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_read_posted_mbx [2022-07-14 03:10:42,977 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_read_mbx_vf [2022-07-14 03:10:42,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_read_mbx_vf [2022-07-14 03:10:42,977 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-14 03:10:42,977 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-14 03:10:42,977 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-14 03:10:42,978 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-14 03:10:42,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-14 03:10:42,978 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_reinit_locked [2022-07-14 03:10:42,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_reinit_locked [2022-07-14 03:10:42,978 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_up [2022-07-14 03:10:42,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_up [2022-07-14 03:10:42,979 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-07-14 03:10:42,979 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-07-14 03:10:42,979 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-14 03:10:42,979 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-14 03:10:42,979 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-14 03:10:42,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-14 03:10:42,980 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_free_irq [2022-07-14 03:10:42,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_free_irq [2022-07-14 03:10:42,981 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_set_rar_vf [2022-07-14 03:10:42,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_set_rar_vf [2022-07-14 03:10:42,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-14 03:10:42,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-14 03:10:42,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-14 03:10:42,981 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header_len [2022-07-14 03:10:42,981 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header_len [2022-07-14 03:10:42,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-14 03:10:42,982 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-14 03:10:42,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-14 03:10:42,982 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_set_vfta_vf [2022-07-14 03:10:42,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_set_vfta_vf [2022-07-14 03:10:42,982 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-07-14 03:10:42,982 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-07-14 03:10:42,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 03:10:42,983 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 03:10:42,983 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_down [2022-07-14 03:10:42,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_down [2022-07-14 03:10:42,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-14 03:10:42,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-14 03:10:42,984 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-14 03:10:42,986 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-14 03:10:42,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-14 03:10:42,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-14 03:10:42,987 INFO L130 BoogieDeclarations]: Found specification of procedure map_vector_to_txq [2022-07-14 03:10:42,988 INFO L138 BoogieDeclarations]: Found implementation of procedure map_vector_to_txq [2022-07-14 03:10:42,988 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2022-07-14 03:10:42,989 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2022-07-14 03:10:42,989 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_free_all_rx_resources [2022-07-14 03:10:42,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_free_all_rx_resources [2022-07-14 03:10:42,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-14 03:10:42,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-14 03:10:42,994 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-14 03:10:42,994 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-14 03:10:42,994 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_tx_timeout [2022-07-14 03:10:42,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_tx_timeout [2022-07-14 03:10:42,994 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-14 03:10:42,995 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-14 03:10:42,995 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2022-07-14 03:10:42,995 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2022-07-14 03:10:42,995 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_negotiate_api [2022-07-14 03:10:42,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_negotiate_api [2022-07-14 03:10:42,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 03:10:42,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-14 03:10:42,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-14 03:10:42,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-14 03:10:42,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-14 03:10:42,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-14 03:10:42,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-14 03:10:42,996 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_alloc_rx_buffers [2022-07-14 03:10:42,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_alloc_rx_buffers [2022-07-14 03:10:42,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-14 03:10:42,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-14 03:10:42,997 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_init_interrupt_scheme [2022-07-14 03:10:42,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_init_interrupt_scheme [2022-07-14 03:10:42,997 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-14 03:10:42,997 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-14 03:10:42,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 03:10:42,997 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-14 03:10:42,997 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-14 03:10:42,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 03:10:42,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 03:10:42,998 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-14 03:10:42,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-14 03:10:42,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 03:10:42,998 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-14 03:10:42,998 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_free_tx_resources [2022-07-14 03:10:42,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_free_tx_resources [2022-07-14 03:10:42,999 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_init_hw_vf [2022-07-14 03:10:42,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_init_hw_vf [2022-07-14 03:10:42,999 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-07-14 03:10:42,999 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-07-14 03:10:42,999 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_maybe_stop_tx [2022-07-14 03:10:42,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_maybe_stop_tx [2022-07-14 03:10:43,000 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_check_for_msg_vf [2022-07-14 03:10:43,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_check_for_msg_vf [2022-07-14 03:10:43,001 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-14 03:10:43,001 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-14 03:10:43,001 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_busy_poll_recv [2022-07-14 03:10:43,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_busy_poll_recv [2022-07-14 03:10:43,001 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_write_posted_mbx [2022-07-14 03:10:43,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_write_posted_mbx [2022-07-14 03:10:43,001 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~$Pointer$~TO~~s32~0 [2022-07-14 03:10:43,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~$Pointer$~TO~~s32~0 [2022-07-14 03:10:43,002 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-14 03:10:43,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-14 03:10:43,002 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-14 03:10:43,002 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-14 03:10:43,002 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 03:10:43,002 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 03:10:43,003 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~~s32~0 [2022-07-14 03:10:43,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~~s32~0 [2022-07-14 03:10:43,003 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_init_last_counter_stats [2022-07-14 03:10:43,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_init_last_counter_stats [2022-07-14 03:10:43,004 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_io_resume [2022-07-14 03:10:43,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_io_resume [2022-07-14 03:10:43,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-14 03:10:43,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-14 03:10:43,005 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_up_complete [2022-07-14 03:10:43,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_up_complete [2022-07-14 03:10:43,005 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2022-07-14 03:10:43,005 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2022-07-14 03:10:43,005 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_set_ivar [2022-07-14 03:10:43,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_set_ivar [2022-07-14 03:10:43,006 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_check_for_bit_vf [2022-07-14 03:10:43,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_check_for_bit_vf [2022-07-14 03:10:43,006 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-14 03:10:43,006 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-14 03:10:43,006 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-14 03:10:43,006 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-14 03:10:43,007 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_shutdown [2022-07-14 03:10:43,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_shutdown [2022-07-14 03:10:43,007 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_reset_interrupt_capability [2022-07-14 03:10:43,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_reset_interrupt_capability [2022-07-14 03:10:43,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 03:10:43,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 03:10:43,007 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-14 03:10:43,007 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-14 03:10:43,008 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_nway_reset [2022-07-14 03:10:43,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_nway_reset [2022-07-14 03:10:43,008 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-14 03:10:43,008 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-14 03:10:43,008 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_obtain_mbx_lock_vf [2022-07-14 03:10:43,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_obtain_mbx_lock_vf [2022-07-14 03:10:43,008 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_clean_tx_ring [2022-07-14 03:10:43,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_clean_tx_ring [2022-07-14 03:10:43,009 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_check_for_rst_vf [2022-07-14 03:10:43,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_check_for_rst_vf [2022-07-14 03:10:43,009 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_read_v2p_mailbox [2022-07-14 03:10:43,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_read_v2p_mailbox [2022-07-14 03:10:43,009 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-14 03:10:43,009 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-14 03:10:43,009 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_check_for_ack_vf [2022-07-14 03:10:43,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_check_for_ack_vf [2022-07-14 03:10:43,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 03:10:43,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 03:10:43,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 03:10:43,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 03:10:43,010 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_update_stats [2022-07-14 03:10:43,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_update_stats [2022-07-14 03:10:43,010 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 03:10:43,011 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 03:10:43,011 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_irq_enable [2022-07-14 03:10:43,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_irq_enable [2022-07-14 03:10:43,011 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-14 03:10:43,011 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-14 03:10:43,011 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-14 03:10:43,012 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-14 03:10:43,015 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-14 03:10:43,015 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_start_hw_vf [2022-07-14 03:10:43,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_start_hw_vf [2022-07-14 03:10:43,015 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-07-14 03:10:43,015 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-07-14 03:10:43,015 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-14 03:10:43,016 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-14 03:10:43,016 INFO L130 BoogieDeclarations]: Found specification of procedure napi_hash_del [2022-07-14 03:10:43,016 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_hash_del [2022-07-14 03:10:43,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-14 03:10:43,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-14 03:10:43,017 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2022-07-14 03:10:43,017 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2022-07-14 03:10:43,017 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_all_queues [2022-07-14 03:10:43,018 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_all_queues [2022-07-14 03:10:43,018 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_set_rx_mode [2022-07-14 03:10:43,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_set_rx_mode [2022-07-14 03:10:43,018 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-07-14 03:10:43,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-07-14 03:10:43,018 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-14 03:10:43,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-14 03:10:43,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 03:10:43,018 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 03:10:43,019 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~$Pointer$~X~~u32~0~TO~~s32~0 [2022-07-14 03:10:43,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~$Pointer$~X~~u32~0~TO~~s32~0 [2022-07-14 03:10:43,019 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_poll_for_msg [2022-07-14 03:10:43,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_poll_for_msg [2022-07-14 03:10:43,019 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_suspend [2022-07-14 03:10:43,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_suspend [2022-07-14 03:10:43,019 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-14 03:10:43,019 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-14 03:10:43,020 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-14 03:10:43,020 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-14 03:10:43,020 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-14 03:10:43,020 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-14 03:10:43,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 03:10:43,020 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-14 03:10:43,020 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-14 03:10:43,020 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-14 03:10:43,020 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-14 03:10:43,021 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-14 03:10:43,021 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-14 03:10:43,021 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_link_test [2022-07-14 03:10:43,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_link_test [2022-07-14 03:10:43,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 03:10:43,021 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_vlan_rx_add_vid [2022-07-14 03:10:43,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_vlan_rx_add_vid [2022-07-14 03:10:43,021 INFO L130 BoogieDeclarations]: Found specification of procedure map_vector_to_rxq [2022-07-14 03:10:43,022 INFO L138 BoogieDeclarations]: Found implementation of procedure map_vector_to_rxq [2022-07-14 03:10:43,022 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~~bool~0~TO~~s32~0 [2022-07-14 03:10:43,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~~bool~0~TO~~s32~0 [2022-07-14 03:10:43,022 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2022-07-14 03:10:43,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2022-07-14 03:10:43,022 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-07-14 03:10:43,022 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-07-14 03:10:43,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 03:10:43,022 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_get_mac_addr_vf [2022-07-14 03:10:43,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_get_mac_addr_vf [2022-07-14 03:10:43,023 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_configure [2022-07-14 03:10:43,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_configure [2022-07-14 03:10:43,023 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_free_all_tx_resources [2022-07-14 03:10:43,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_free_all_tx_resources [2022-07-14 03:10:43,023 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-14 03:10:43,023 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-14 03:10:43,023 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-14 03:10:43,023 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-14 03:10:43,024 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_get_queues [2022-07-14 03:10:43,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_get_queues [2022-07-14 03:10:43,024 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-14 03:10:43,024 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-14 03:10:43,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-07-14 03:10:43,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-07-14 03:10:43,024 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_write_msg_read_ack [2022-07-14 03:10:43,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_write_msg_read_ack [2022-07-14 03:10:43,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-14 03:10:43,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-14 03:10:43,025 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-14 03:10:43,025 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-14 03:10:43,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-14 03:10:43,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-14 03:10:43,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-14 03:10:43,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-14 03:10:43,026 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-07-14 03:10:43,026 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-07-14 03:10:43,026 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_open [2022-07-14 03:10:43,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_open [2022-07-14 03:10:43,026 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2022-07-14 03:10:43,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2022-07-14 03:10:43,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_ixgbevf_exit_module_17_2 [2022-07-14 03:10:43,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_ixgbevf_exit_module_17_2 [2022-07-14 03:10:43,026 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_check_mac_link_vf [2022-07-14 03:10:43,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_check_mac_link_vf [2022-07-14 03:10:43,027 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_clear_interrupt_scheme [2022-07-14 03:10:43,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_clear_interrupt_scheme [2022-07-14 03:10:43,027 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_get_regs_len [2022-07-14 03:10:43,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_get_regs_len [2022-07-14 03:10:43,027 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-14 03:10:43,027 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-14 03:10:43,027 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-14 03:10:43,028 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-14 03:10:43,028 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-14 03:10:43,028 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-14 03:10:43,028 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-14 03:10:43,028 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-14 03:10:43,028 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_update_mc_addr_list_vf [2022-07-14 03:10:43,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_update_mc_addr_list_vf [2022-07-14 03:10:43,028 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_free_rx_resources [2022-07-14 03:10:43,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_free_rx_resources [2022-07-14 03:10:43,029 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-14 03:10:43,029 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-14 03:10:43,029 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-14 03:10:43,029 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-14 03:10:43,029 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 03:10:43,029 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 03:10:43,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-14 03:10:43,029 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_init_mbx_params_vf [2022-07-14 03:10:43,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_init_mbx_params_vf [2022-07-14 03:10:43,030 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-07-14 03:10:43,030 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-07-14 03:10:43,030 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_free_q_vectors [2022-07-14 03:10:43,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_free_q_vectors [2022-07-14 03:10:43,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 03:10:43,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 03:10:43,030 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_disable_rx_queue [2022-07-14 03:10:43,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_disable_rx_queue [2022-07-14 03:10:43,031 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_reset [2022-07-14 03:10:43,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_reset [2022-07-14 03:10:43,031 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_close [2022-07-14 03:10:43,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_close [2022-07-14 03:10:43,031 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-07-14 03:10:43,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-07-14 03:10:43,031 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2022-07-14 03:10:43,032 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2022-07-14 03:10:43,032 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2022-07-14 03:10:43,032 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2022-07-14 03:10:43,032 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-14 03:10:43,032 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-14 03:10:43,032 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2022-07-14 03:10:43,032 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2022-07-14 03:10:43,032 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-14 03:10:43,033 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-14 03:10:43,033 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-07-14 03:10:43,033 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-07-14 03:10:43,033 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-07-14 03:10:43,033 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-07-14 03:10:43,033 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-07-14 03:10:43,033 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-07-14 03:10:43,033 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-07-14 03:10:43,033 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-07-14 03:10:43,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-14 03:10:43,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-14 03:10:43,034 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-14 03:10:43,034 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-14 03:10:43,034 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 03:10:43,034 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 03:10:43,034 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_clean_rx_ring [2022-07-14 03:10:43,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_clean_rx_ring [2022-07-14 03:10:43,035 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_stop_hw_vf [2022-07-14 03:10:43,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_stop_hw_vf [2022-07-14 03:10:43,035 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2022-07-14 03:10:43,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2022-07-14 03:10:43,035 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_reset_hw_vf [2022-07-14 03:10:43,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_reset_hw_vf [2022-07-14 03:10:43,035 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-07-14 03:10:43,035 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-07-14 03:10:43,036 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-14 03:10:43,036 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-14 03:10:43,036 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_unmap_and_free_tx_resource [2022-07-14 03:10:43,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_unmap_and_free_tx_resource [2022-07-14 03:10:43,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 03:10:43,036 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-07-14 03:10:43,036 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-07-14 03:10:43,036 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-14 03:10:43,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-14 03:10:43,037 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2022-07-14 03:10:43,037 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2022-07-14 03:10:44,387 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 03:10:44,390 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 03:10:44,610 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 03:13:05,707 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-14 03:13:05,807 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 03:13:05,838 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 03:13:05,839 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2022-07-14 03:13:05,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:13:05 BoogieIcfgContainer [2022-07-14 03:13:05,845 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 03:13:05,849 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 03:13:05,849 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 03:13:05,854 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 03:13:05,854 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 03:10:36" (1/3) ... [2022-07-14 03:13:05,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@436ac4f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 03:13:05, skipping insertion in model container [2022-07-14 03:13:05,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:10:41" (2/3) ... [2022-07-14 03:13:05,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@436ac4f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 03:13:05, skipping insertion in model container [2022-07-14 03:13:05,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:13:05" (3/3) ... [2022-07-14 03:13:05,857 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbevf-ixgbevf.cil.i [2022-07-14 03:13:05,875 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 03:13:05,876 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-07-14 03:13:06,040 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 03:13:06,047 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@4afecf80, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3839446e [2022-07-14 03:13:06,047 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-07-14 03:13:06,062 INFO L276 IsEmpty]: Start isEmpty. Operand has 3885 states, 2802 states have (on average 1.323340471092077) internal successors, (3708), 2845 states have internal predecessors, (3708), 883 states have call successors, (883), 199 states have call predecessors, (883), 198 states have return successors, (876), 872 states have call predecessors, (876), 876 states have call successors, (876) [2022-07-14 03:13:06,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-07-14 03:13:06,085 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:13:06,086 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 29, 29, 29, 29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:13:06,086 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:13:06,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:13:06,092 INFO L85 PathProgramCache]: Analyzing trace with hash -2015187387, now seen corresponding path program 1 times [2022-07-14 03:13:06,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:13:06,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419342651] [2022-07-14 03:13:06,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:13:06,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:13:07,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:07,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 03:13:07,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:07,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:07,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:07,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 03:13:07,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:07,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:07,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:07,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 03:13:07,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:07,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:07,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:07,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 03:13:07,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:07,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:07,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 03:13:07,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:07,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:07,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:07,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 03:13:07,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:07,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:07,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:07,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 03:13:07,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:07,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:07,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:07,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 03:13:07,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:07,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:07,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:07,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 03:13:07,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:07,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:07,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:07,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 03:13:07,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:07,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:07,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:07,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 03:13:07,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:07,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:07,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:07,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 03:13:07,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:07,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:07,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:07,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 03:13:07,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:07,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:07,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:07,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 03:13:07,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:07,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:07,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:07,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 03:13:07,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:07,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:07,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:07,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 03:13:07,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:07,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:07,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:08,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 03:13:08,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:08,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:08,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:08,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-14 03:13:08,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:08,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:08,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:08,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-14 03:13:08,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:08,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:08,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:08,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-14 03:13:08,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:08,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:08,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:08,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-14 03:13:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:08,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:08,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:08,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-14 03:13:08,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:08,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:08,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:08,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-14 03:13:08,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:08,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:08,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:08,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 03:13:08,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:08,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:08,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:08,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-14 03:13:08,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:08,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:08,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:08,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-14 03:13:08,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:08,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:08,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:08,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-14 03:13:08,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:08,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:08,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:08,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-14 03:13:08,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:08,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:08,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:08,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-14 03:13:08,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:08,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:08,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:08,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-14 03:13:08,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:08,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-07-14 03:13:08,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:08,372 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3741 trivial. 0 not checked. [2022-07-14 03:13:08,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:13:08,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419342651] [2022-07-14 03:13:08,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419342651] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:13:08,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:13:08,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 03:13:08,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101811247] [2022-07-14 03:13:08,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:13:08,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 03:13:08,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:13:08,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 03:13:08,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 03:13:08,419 INFO L87 Difference]: Start difference. First operand has 3885 states, 2802 states have (on average 1.323340471092077) internal successors, (3708), 2845 states have internal predecessors, (3708), 883 states have call successors, (883), 199 states have call predecessors, (883), 198 states have return successors, (876), 872 states have call predecessors, (876), 876 states have call successors, (876) Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-07-14 03:13:10,534 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 03:13:12,811 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 03:13:37,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:13:37,772 INFO L93 Difference]: Finished difference Result 12079 states and 17577 transitions. [2022-07-14 03:13:37,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 03:13:37,774 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 346 [2022-07-14 03:13:37,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:13:37,862 INFO L225 Difference]: With dead ends: 12079 [2022-07-14 03:13:37,862 INFO L226 Difference]: Without dead ends: 8245 [2022-07-14 03:13:37,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 03:13:37,906 INFO L413 NwaCegarLoop]: 5700 mSDtfsCounter, 7541 mSDsluCounter, 5944 mSDsCounter, 0 mSdLazyCounter, 3814 mSolverCounterSat, 2798 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8296 SdHoareTripleChecker+Valid, 11644 SdHoareTripleChecker+Invalid, 6614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2798 IncrementalHoareTripleChecker+Valid, 3814 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.3s IncrementalHoareTripleChecker+Time [2022-07-14 03:13:37,907 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8296 Valid, 11644 Invalid, 6614 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2798 Valid, 3814 Invalid, 2 Unknown, 0 Unchecked, 28.3s Time] [2022-07-14 03:13:37,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8245 states. [2022-07-14 03:13:38,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8245 to 7561. [2022-07-14 03:13:38,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7561 states, 5463 states have (on average 1.281896393922753) internal successors, (7003), 5548 states have internal predecessors, (7003), 1703 states have call successors, (1703), 394 states have call predecessors, (1703), 393 states have return successors, (1700), 1692 states have call predecessors, (1700), 1700 states have call successors, (1700) [2022-07-14 03:13:38,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7561 states to 7561 states and 10406 transitions. [2022-07-14 03:13:38,413 INFO L78 Accepts]: Start accepts. Automaton has 7561 states and 10406 transitions. Word has length 346 [2022-07-14 03:13:38,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:13:38,418 INFO L495 AbstractCegarLoop]: Abstraction has 7561 states and 10406 transitions. [2022-07-14 03:13:38,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-07-14 03:13:38,419 INFO L276 IsEmpty]: Start isEmpty. Operand 7561 states and 10406 transitions. [2022-07-14 03:13:38,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2022-07-14 03:13:38,434 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:13:38,435 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 29, 29, 29, 29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:13:38,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-14 03:13:38,437 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:13:38,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:13:38,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1430957260, now seen corresponding path program 1 times [2022-07-14 03:13:38,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:13:38,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477817083] [2022-07-14 03:13:38,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:13:38,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:13:38,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 03:13:39,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:39,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 03:13:39,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:39,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 03:13:39,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:39,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 03:13:39,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:39,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 03:13:39,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:39,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 03:13:39,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:39,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 03:13:39,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:39,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 03:13:39,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:39,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 03:13:39,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:39,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 03:13:39,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:39,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 03:13:39,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:39,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 03:13:39,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:39,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 03:13:39,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:39,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 03:13:39,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:39,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 03:13:39,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:39,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 03:13:39,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:39,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 03:13:39,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:39,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-14 03:13:39,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:39,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-14 03:13:39,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:39,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-14 03:13:39,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:39,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-14 03:13:39,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:39,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-14 03:13:39,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:39,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-14 03:13:39,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:39,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 03:13:39,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:39,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-14 03:13:39,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:39,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-14 03:13:39,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:39,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-14 03:13:39,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:39,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-14 03:13:39,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:39,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-14 03:13:39,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:13:39,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-14 03:13:39,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-14 03:13:39,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:13:39,983 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3741 trivial. 0 not checked. [2022-07-14 03:13:39,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:13:39,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477817083] [2022-07-14 03:13:39,984 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477817083] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:13:39,984 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:13:39,984 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 03:13:39,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677220742] [2022-07-14 03:13:39,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:13:39,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 03:13:39,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:13:39,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 03:13:39,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 03:13:39,988 INFO L87 Difference]: Start difference. First operand 7561 states and 10406 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-07-14 03:13:42,084 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 03:13:44,378 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 03:14:09,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:14:09,203 INFO L93 Difference]: Finished difference Result 18054 states and 25103 transitions. [2022-07-14 03:14:09,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 03:14:09,204 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 363 [2022-07-14 03:14:09,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:14:09,283 INFO L225 Difference]: With dead ends: 18054 [2022-07-14 03:14:09,284 INFO L226 Difference]: Without dead ends: 10556 [2022-07-14 03:14:09,319 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 03:14:09,320 INFO L413 NwaCegarLoop]: 6060 mSDtfsCounter, 6086 mSDsluCounter, 6112 mSDsCounter, 0 mSdLazyCounter, 3641 mSolverCounterSat, 2241 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6707 SdHoareTripleChecker+Valid, 12172 SdHoareTripleChecker+Invalid, 5884 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2241 IncrementalHoareTripleChecker+Valid, 3641 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.3s IncrementalHoareTripleChecker+Time [2022-07-14 03:14:09,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6707 Valid, 12172 Invalid, 5884 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2241 Valid, 3641 Invalid, 2 Unknown, 0 Unchecked, 28.3s Time] [2022-07-14 03:14:09,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10556 states. [2022-07-14 03:14:09,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10556 to 9690. [2022-07-14 03:14:09,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9690 states, 7096 states have (on average 1.2859357384441938) internal successors, (9125), 7200 states have internal predecessors, (9125), 2099 states have call successors, (2099), 495 states have call predecessors, (2099), 493 states have return successors, (2096), 2083 states have call predecessors, (2096), 2096 states have call successors, (2096) [2022-07-14 03:14:09,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9690 states to 9690 states and 13320 transitions. [2022-07-14 03:14:09,766 INFO L78 Accepts]: Start accepts. Automaton has 9690 states and 13320 transitions. Word has length 363 [2022-07-14 03:14:09,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:14:09,768 INFO L495 AbstractCegarLoop]: Abstraction has 9690 states and 13320 transitions. [2022-07-14 03:14:09,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-07-14 03:14:09,769 INFO L276 IsEmpty]: Start isEmpty. Operand 9690 states and 13320 transitions. [2022-07-14 03:14:09,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2022-07-14 03:14:09,783 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:14:09,783 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 29, 29, 29, 29, 29, 29, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:14:09,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-14 03:14:09,784 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:14:09,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:14:09,785 INFO L85 PathProgramCache]: Analyzing trace with hash -545826148, now seen corresponding path program 1 times [2022-07-14 03:14:09,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:14:09,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339560236] [2022-07-14 03:14:09,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:14:09,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:14:10,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 03:14:10,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:10,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 03:14:10,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:10,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 03:14:10,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:10,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 03:14:10,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:10,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 03:14:10,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:10,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 03:14:10,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:10,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 03:14:10,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:10,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 03:14:10,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:10,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:10,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 03:14:10,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:11,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 03:14:11,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:11,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 03:14:11,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:11,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 03:14:11,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:11,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 03:14:11,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:11,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 03:14:11,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:11,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 03:14:11,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:11,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 03:14:11,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:11,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 03:14:11,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:11,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-14 03:14:11,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:11,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-14 03:14:11,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:11,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-14 03:14:11,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:11,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-14 03:14:11,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:11,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-14 03:14:11,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:11,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-14 03:14:11,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:11,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 03:14:11,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:11,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-14 03:14:11,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:11,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-14 03:14:11,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:11,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-14 03:14:11,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:11,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-14 03:14:11,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:11,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-14 03:14:11,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:11,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-14 03:14:11,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-14 03:14:11,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-07-14 03:14:11,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-14 03:14:11,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-07-14 03:14:11,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:11,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-14 03:14:11,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2022-07-14 03:14:11,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-07-14 03:14:11,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:11,549 INFO L134 CoverageAnalysis]: Checked inductivity of 4054 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4054 trivial. 0 not checked. [2022-07-14 03:14:11,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:14:11,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339560236] [2022-07-14 03:14:11,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339560236] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:14:11,551 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:14:11,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 03:14:11,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253067729] [2022-07-14 03:14:11,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:14:11,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 03:14:11,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:14:11,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 03:14:11,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 03:14:11,553 INFO L87 Difference]: Start difference. First operand 9690 states and 13320 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-07-14 03:14:13,654 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 03:14:31,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:14:31,598 INFO L93 Difference]: Finished difference Result 10549 states and 14751 transitions. [2022-07-14 03:14:31,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 03:14:31,599 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 402 [2022-07-14 03:14:31,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:14:31,666 INFO L225 Difference]: With dead ends: 10549 [2022-07-14 03:14:31,667 INFO L226 Difference]: Without dead ends: 10518 [2022-07-14 03:14:31,684 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-14 03:14:31,685 INFO L413 NwaCegarLoop]: 5047 mSDtfsCounter, 6091 mSDsluCounter, 5862 mSDsCounter, 0 mSdLazyCounter, 2931 mSolverCounterSat, 1858 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6584 SdHoareTripleChecker+Valid, 10909 SdHoareTripleChecker+Invalid, 4790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1858 IncrementalHoareTripleChecker+Valid, 2931 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.4s IncrementalHoareTripleChecker+Time [2022-07-14 03:14:31,685 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6584 Valid, 10909 Invalid, 4790 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1858 Valid, 2931 Invalid, 1 Unknown, 0 Unchecked, 19.4s Time] [2022-07-14 03:14:31,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10518 states. [2022-07-14 03:14:32,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10518 to 9659. [2022-07-14 03:14:32,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9659 states, 7082 states have (on average 1.2856537701214346) internal successors, (9105), 7180 states have internal predecessors, (9105), 2084 states have call successors, (2084), 492 states have call predecessors, (2084), 492 states have return successors, (2084), 2075 states have call predecessors, (2084), 2084 states have call successors, (2084) [2022-07-14 03:14:32,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9659 states to 9659 states and 13273 transitions. [2022-07-14 03:14:32,099 INFO L78 Accepts]: Start accepts. Automaton has 9659 states and 13273 transitions. Word has length 402 [2022-07-14 03:14:32,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:14:32,102 INFO L495 AbstractCegarLoop]: Abstraction has 9659 states and 13273 transitions. [2022-07-14 03:14:32,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-07-14 03:14:32,103 INFO L276 IsEmpty]: Start isEmpty. Operand 9659 states and 13273 transitions. [2022-07-14 03:14:32,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2022-07-14 03:14:32,125 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:14:32,125 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 29, 29, 29, 29, 29, 29, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:14:32,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-14 03:14:32,127 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:14:32,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:14:32,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1497943882, now seen corresponding path program 1 times [2022-07-14 03:14:32,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 03:14:32,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436928438] [2022-07-14 03:14:32,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:14:32,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 03:14:32,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-14 03:14:33,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:33,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-14 03:14:33,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:33,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-14 03:14:33,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:33,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-14 03:14:33,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:33,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-14 03:14:33,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:33,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-14 03:14:33,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:33,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-14 03:14:33,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:33,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-14 03:14:33,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:33,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-14 03:14:33,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:33,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-14 03:14:33,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:33,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-14 03:14:33,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:33,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-14 03:14:33,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:33,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-14 03:14:33,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:33,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-14 03:14:33,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:33,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-14 03:14:33,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:33,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-14 03:14:33,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:33,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-14 03:14:33,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:33,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-14 03:14:33,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:33,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-14 03:14:33,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:33,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-14 03:14:33,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:33,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-14 03:14:33,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:33,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-14 03:14:33,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:33,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-14 03:14:33,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:33,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-14 03:14:33,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:33,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-14 03:14:33,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:33,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-14 03:14:33,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:33,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-14 03:14:33,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:33,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-14 03:14:33,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:33,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-14 03:14:33,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:33,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-14 03:14:33,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-14 03:14:33,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-07-14 03:14:33,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-14 03:14:33,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-14 03:14:33,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-14 03:14:33,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-14 03:14:33,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-07-14 03:14:33,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-14 03:14:33,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2022-07-14 03:14:33,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:14:33,623 INFO L134 CoverageAnalysis]: Checked inductivity of 4063 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4060 trivial. 0 not checked. [2022-07-14 03:14:33,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-14 03:14:33,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436928438] [2022-07-14 03:14:33,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436928438] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:14:33,624 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:14:33,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 03:14:33,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641202723] [2022-07-14 03:14:33,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:14:33,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 03:14:33,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-14 03:14:33,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 03:14:33,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 03:14:33,626 INFO L87 Difference]: Start difference. First operand 9659 states and 13273 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2022-07-14 03:14:35,734 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-14 03:14:38,000 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []