./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 35987657 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-?-3598765 [2022-07-21 14:02:46,895 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 14:02:46,898 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 14:02:46,945 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 14:02:46,946 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 14:02:46,947 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 14:02:46,952 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 14:02:46,956 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 14:02:46,958 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 14:02:46,963 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 14:02:46,965 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 14:02:46,969 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 14:02:46,970 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 14:02:46,972 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 14:02:46,974 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 14:02:46,978 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 14:02:46,980 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 14:02:46,982 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 14:02:46,985 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 14:02:46,992 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 14:02:46,994 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 14:02:46,998 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 14:02:46,999 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 14:02:47,000 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 14:02:47,002 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 14:02:47,010 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 14:02:47,010 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 14:02:47,011 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 14:02:47,012 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 14:02:47,012 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 14:02:47,014 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 14:02:47,014 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 14:02:47,016 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 14:02:47,017 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 14:02:47,018 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 14:02:47,019 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 14:02:47,019 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 14:02:47,020 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 14:02:47,020 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 14:02:47,020 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 14:02:47,021 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 14:02:47,022 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 14:02:47,028 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 14:02:47,067 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 14:02:47,068 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 14:02:47,068 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 14:02:47,069 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 14:02:47,070 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 14:02:47,070 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 14:02:47,071 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 14:02:47,071 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 14:02:47,071 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 14:02:47,072 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 14:02:47,073 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 14:02:47,073 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 14:02:47,073 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 14:02:47,073 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 14:02:47,073 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 14:02:47,074 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 14:02:47,074 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 14:02:47,074 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 14:02:47,074 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 14:02:47,075 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 14:02:47,075 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 14:02:47,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:02:47,075 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 14:02:47,075 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 14:02:47,075 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 14:02:47,076 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 14:02:47,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 14:02:47,076 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 14:02:47,076 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 14:02:47,076 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 14:02:47,077 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 807baa6191d907795e80ff5436f6f636b6dbcf7109bdc782ca0ac1b857ff64f7 [2022-07-21 14:02:47,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 14:02:47,426 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 14:02:47,429 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 14:02:47,430 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 14:02:47,432 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 14:02:47,434 INFO L432 ainManager$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 [2022-07-21 14:02:47,489 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55631c4ef/475f2188597846b9b593a5c42fce4363/FLAG166e3bbe1 [2022-07-21 14:02:48,494 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 14:02:48,495 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 [2022-07-21 14:02:48,559 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55631c4ef/475f2188597846b9b593a5c42fce4363/FLAG166e3bbe1 [2022-07-21 14:02:48,869 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55631c4ef/475f2188597846b9b593a5c42fce4363 [2022-07-21 14:02:48,873 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 14:02:48,874 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 14:02:48,877 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 14:02:48,877 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 14:02:48,881 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 14:02:48,882 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:02:48" (1/1) ... [2022-07-21 14:02:48,883 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d52a949 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:02:48, skipping insertion in model container [2022-07-21 14:02:48,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:02:48" (1/1) ... [2022-07-21 14:02:48,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 14:02:49,100 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 14:02:55,116 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] [2022-07-21 14:02:55,120 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] [2022-07-21 14:02:55,120 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] [2022-07-21 14:02:55,121 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] [2022-07-21 14:02:55,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:02:55,288 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 14:02:56,135 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] [2022-07-21 14:02:56,136 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] [2022-07-21 14:02:56,136 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] [2022-07-21 14:02:56,137 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] [2022-07-21 14:02:56,146 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:02:56,679 INFO L208 MainTranslator]: Completed translation [2022-07-21 14:02:56,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:02:56 WrapperNode [2022-07-21 14:02:56,681 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 14:02:56,682 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 14:02:56,682 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 14:02:56,682 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 14:02:56,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:02:56" (1/1) ... [2022-07-21 14:02:56,857 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:02:56" (1/1) ... [2022-07-21 14:02:57,197 INFO L137 Inliner]: procedures = 619, calls = 4107, calls flagged for inlining = 350, calls inlined = 330, statements flattened = 10294 [2022-07-21 14:02:57,198 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 14:02:57,199 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 14:02:57,199 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 14:02:57,199 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 14:02:57,208 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:02:56" (1/1) ... [2022-07-21 14:02:57,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:02:56" (1/1) ... [2022-07-21 14:02:57,342 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:02:56" (1/1) ... [2022-07-21 14:02:57,350 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:02:56" (1/1) ... [2022-07-21 14:02:57,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:02:56" (1/1) ... [2022-07-21 14:02:57,562 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:02:56" (1/1) ... [2022-07-21 14:02:57,819 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:02:56" (1/1) ... [2022-07-21 14:02:57,909 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 14:02:57,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 14:02:57,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 14:02:57,913 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 14:02:57,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:02:56" (1/1) ... [2022-07-21 14:02:57,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:02:57,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 14:02:57,970 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) [2022-07-21 14:02:58,035 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 [2022-07-21 14:02:58,077 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-07-21 14:02:58,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-07-21 14:02:58,078 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-21 14:02:58,078 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-21 14:02:58,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 14:02:58,078 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 14:02:58,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2022-07-21 14:02:58,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2022-07-21 14:02:58,078 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_clean_rx_irq [2022-07-21 14:02:58,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_clean_rx_irq [2022-07-21 14:02:58,079 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_setup_rx_resources [2022-07-21 14:02:58,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_setup_rx_resources [2022-07-21 14:02:58,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 14:02:58,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 14:02:58,079 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_tx_ctxtdesc [2022-07-21 14:02:58,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_tx_ctxtdesc [2022-07-21 14:02:58,080 INFO L130 BoogieDeclarations]: Found specification of procedure skb_header_pointer [2022-07-21 14:02:58,080 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_header_pointer [2022-07-21 14:02:58,080 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-21 14:02:58,080 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-21 14:02:58,080 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_write_eitr [2022-07-21 14:02:58,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_write_eitr [2022-07-21 14:02:58,081 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-07-21 14:02:58,081 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-07-21 14:02:58,081 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_set_uc_addr_vf [2022-07-21 14:02:58,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_set_uc_addr_vf [2022-07-21 14:02:58,081 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-07-21 14:02:58,081 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-07-21 14:02:58,081 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-21 14:02:58,082 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-21 14:02:58,082 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-21 14:02:58,082 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-21 14:02:58,082 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~bool~0~TO~~s32~0 [2022-07-21 14:02:58,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~bool~0~TO~~s32~0 [2022-07-21 14:02:58,083 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 14:02:58,083 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 14:02:58,083 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_desc_unused [2022-07-21 14:02:58,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_desc_unused [2022-07-21 14:02:58,083 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_poll_for_ack [2022-07-21 14:02:58,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_poll_for_ack [2022-07-21 14:02:58,084 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_setup_tx_resources [2022-07-21 14:02:58,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_setup_tx_resources [2022-07-21 14:02:58,084 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_remove [2022-07-21 14:02:58,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_remove [2022-07-21 14:02:58,084 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-21 14:02:58,084 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-21 14:02:58,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-21 14:02:58,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-21 14:02:58,085 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-21 14:02:58,085 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-21 14:02:58,086 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-21 14:02:58,086 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-21 14:02:58,086 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-21 14:02:58,087 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-21 14:02:58,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 14:02:58,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 14:02:58,088 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-07-21 14:02:58,088 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-07-21 14:02:58,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 14:02:58,088 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-21 14:02:58,088 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-21 14:02:58,089 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_resume [2022-07-21 14:02:58,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_resume [2022-07-21 14:02:58,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-07-21 14:02:58,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-07-21 14:02:58,089 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-21 14:02:58,090 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-21 14:02:58,090 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-21 14:02:58,090 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-21 14:02:58,090 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_write_mbx_vf [2022-07-21 14:02:58,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_write_mbx_vf [2022-07-21 14:02:58,091 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_read_posted_mbx [2022-07-21 14:02:58,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_read_posted_mbx [2022-07-21 14:02:58,091 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_read_mbx_vf [2022-07-21 14:02:58,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_read_mbx_vf [2022-07-21 14:02:58,091 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-21 14:02:58,091 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-21 14:02:58,092 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-21 14:02:58,092 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-21 14:02:58,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-21 14:02:58,092 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_reinit_locked [2022-07-21 14:02:58,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_reinit_locked [2022-07-21 14:02:58,092 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_up [2022-07-21 14:02:58,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_up [2022-07-21 14:02:58,093 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-07-21 14:02:58,093 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-07-21 14:02:58,093 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-21 14:02:58,094 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-21 14:02:58,094 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-21 14:02:58,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-21 14:02:58,094 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_free_irq [2022-07-21 14:02:58,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_free_irq [2022-07-21 14:02:58,095 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_set_rar_vf [2022-07-21 14:02:58,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_set_rar_vf [2022-07-21 14:02:58,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-21 14:02:58,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-21 14:02:58,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-21 14:02:58,095 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header_len [2022-07-21 14:02:58,096 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header_len [2022-07-21 14:02:58,096 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 14:02:58,096 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-21 14:02:58,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-21 14:02:58,096 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_set_vfta_vf [2022-07-21 14:02:58,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_set_vfta_vf [2022-07-21 14:02:58,096 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-07-21 14:02:58,096 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-07-21 14:02:58,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 14:02:58,097 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 14:02:58,097 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_down [2022-07-21 14:02:58,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_down [2022-07-21 14:02:58,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-21 14:02:58,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-21 14:02:58,099 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-21 14:02:58,100 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-21 14:02:58,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-21 14:02:58,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-21 14:02:58,102 INFO L130 BoogieDeclarations]: Found specification of procedure map_vector_to_txq [2022-07-21 14:02:58,102 INFO L138 BoogieDeclarations]: Found implementation of procedure map_vector_to_txq [2022-07-21 14:02:58,103 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2022-07-21 14:02:58,103 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2022-07-21 14:02:58,103 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_free_all_rx_resources [2022-07-21 14:02:58,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_free_all_rx_resources [2022-07-21 14:02:58,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-21 14:02:58,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-21 14:02:58,121 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-21 14:02:58,121 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-21 14:02:58,121 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_tx_timeout [2022-07-21 14:02:58,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_tx_timeout [2022-07-21 14:02:58,121 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-21 14:02:58,122 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-21 14:02:58,122 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2022-07-21 14:02:58,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2022-07-21 14:02:58,122 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_negotiate_api [2022-07-21 14:02:58,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_negotiate_api [2022-07-21 14:02:58,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 14:02:58,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-21 14:02:58,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-21 14:02:58,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-21 14:02:58,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-21 14:02:58,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-21 14:02:58,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-21 14:02:58,123 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_alloc_rx_buffers [2022-07-21 14:02:58,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_alloc_rx_buffers [2022-07-21 14:02:58,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-21 14:02:58,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-21 14:02:58,124 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_init_interrupt_scheme [2022-07-21 14:02:58,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_init_interrupt_scheme [2022-07-21 14:02:58,124 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-21 14:02:58,124 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-21 14:02:58,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 14:02:58,124 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-21 14:02:58,124 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-21 14:02:58,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-21 14:02:58,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-21 14:02:58,125 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 14:02:58,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 14:02:58,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 14:02:58,125 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-21 14:02:58,125 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_free_tx_resources [2022-07-21 14:02:58,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_free_tx_resources [2022-07-21 14:02:58,125 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_init_hw_vf [2022-07-21 14:02:58,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_init_hw_vf [2022-07-21 14:02:58,126 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-07-21 14:02:58,126 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-07-21 14:02:58,126 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_maybe_stop_tx [2022-07-21 14:02:58,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_maybe_stop_tx [2022-07-21 14:02:58,126 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_check_for_msg_vf [2022-07-21 14:02:58,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_check_for_msg_vf [2022-07-21 14:02:58,127 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-21 14:02:58,127 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-21 14:02:58,127 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_busy_poll_recv [2022-07-21 14:02:58,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_busy_poll_recv [2022-07-21 14:02:58,127 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_write_posted_mbx [2022-07-21 14:02:58,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_write_posted_mbx [2022-07-21 14:02:58,127 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~$Pointer$~TO~~s32~0 [2022-07-21 14:02:58,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~$Pointer$~TO~~s32~0 [2022-07-21 14:02:58,128 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-21 14:02:58,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-21 14:02:58,128 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-21 14:02:58,128 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-21 14:02:58,128 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 14:02:58,129 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 14:02:58,129 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~~s32~0 [2022-07-21 14:02:58,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~~s32~0 [2022-07-21 14:02:58,129 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_init_last_counter_stats [2022-07-21 14:02:58,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_init_last_counter_stats [2022-07-21 14:02:58,129 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_io_resume [2022-07-21 14:02:58,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_io_resume [2022-07-21 14:02:58,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-21 14:02:58,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-21 14:02:58,130 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_up_complete [2022-07-21 14:02:58,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_up_complete [2022-07-21 14:02:58,130 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2022-07-21 14:02:58,130 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2022-07-21 14:02:58,130 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_set_ivar [2022-07-21 14:02:58,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_set_ivar [2022-07-21 14:02:58,131 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_check_for_bit_vf [2022-07-21 14:02:58,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_check_for_bit_vf [2022-07-21 14:02:58,131 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-21 14:02:58,131 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-21 14:02:58,131 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-21 14:02:58,131 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-21 14:02:58,131 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_shutdown [2022-07-21 14:02:58,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_shutdown [2022-07-21 14:02:58,132 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_reset_interrupt_capability [2022-07-21 14:02:58,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_reset_interrupt_capability [2022-07-21 14:02:58,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 14:02:58,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 14:02:58,132 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-21 14:02:58,132 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-21 14:02:58,132 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_nway_reset [2022-07-21 14:02:58,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_nway_reset [2022-07-21 14:02:58,133 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-21 14:02:58,133 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-21 14:02:58,133 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_obtain_mbx_lock_vf [2022-07-21 14:02:58,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_obtain_mbx_lock_vf [2022-07-21 14:02:58,133 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_clean_tx_ring [2022-07-21 14:02:58,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_clean_tx_ring [2022-07-21 14:02:58,133 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_check_for_rst_vf [2022-07-21 14:02:58,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_check_for_rst_vf [2022-07-21 14:02:58,133 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_read_v2p_mailbox [2022-07-21 14:02:58,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_read_v2p_mailbox [2022-07-21 14:02:58,134 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-21 14:02:58,134 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-21 14:02:58,134 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_check_for_ack_vf [2022-07-21 14:02:58,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_check_for_ack_vf [2022-07-21 14:02:58,134 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 14:02:58,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 14:02:58,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 14:02:58,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 14:02:58,135 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_update_stats [2022-07-21 14:02:58,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_update_stats [2022-07-21 14:02:58,135 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-21 14:02:58,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-21 14:02:58,135 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_irq_enable [2022-07-21 14:02:58,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_irq_enable [2022-07-21 14:02:58,135 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-21 14:02:58,136 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-21 14:02:58,136 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-21 14:02:58,137 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-21 14:02:58,139 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-21 14:02:58,140 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_start_hw_vf [2022-07-21 14:02:58,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_start_hw_vf [2022-07-21 14:02:58,140 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-07-21 14:02:58,140 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-07-21 14:02:58,140 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-21 14:02:58,140 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-21 14:02:58,140 INFO L130 BoogieDeclarations]: Found specification of procedure napi_hash_del [2022-07-21 14:02:58,140 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_hash_del [2022-07-21 14:02:58,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-21 14:02:58,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-21 14:02:58,142 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2022-07-21 14:02:58,142 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2022-07-21 14:02:58,142 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_all_queues [2022-07-21 14:02:58,142 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_all_queues [2022-07-21 14:02:58,142 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_set_rx_mode [2022-07-21 14:02:58,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_set_rx_mode [2022-07-21 14:02:58,142 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-07-21 14:02:58,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-07-21 14:02:58,143 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-21 14:02:58,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-21 14:02:58,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 14:02:58,143 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 14:02:58,143 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~$Pointer$~X~~u32~0~TO~~s32~0 [2022-07-21 14:02:58,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~$Pointer$~X~~u32~0~TO~~s32~0 [2022-07-21 14:02:58,143 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_poll_for_msg [2022-07-21 14:02:58,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_poll_for_msg [2022-07-21 14:02:58,144 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_suspend [2022-07-21 14:02:58,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_suspend [2022-07-21 14:02:58,144 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-21 14:02:58,144 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-21 14:02:58,144 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-21 14:02:58,144 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-21 14:02:58,144 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-21 14:02:58,144 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-21 14:02:58,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 14:02:58,145 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-21 14:02:58,145 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-21 14:02:58,145 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-21 14:02:58,145 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-21 14:02:58,145 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-21 14:02:58,145 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-21 14:02:58,145 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_link_test [2022-07-21 14:02:58,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_link_test [2022-07-21 14:02:58,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 14:02:58,146 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_vlan_rx_add_vid [2022-07-21 14:02:58,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_vlan_rx_add_vid [2022-07-21 14:02:58,146 INFO L130 BoogieDeclarations]: Found specification of procedure map_vector_to_rxq [2022-07-21 14:02:58,146 INFO L138 BoogieDeclarations]: Found implementation of procedure map_vector_to_rxq [2022-07-21 14:02:58,146 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~~bool~0~TO~~s32~0 [2022-07-21 14:02:58,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~~bool~0~TO~~s32~0 [2022-07-21 14:02:58,146 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2022-07-21 14:02:58,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2022-07-21 14:02:58,152 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-07-21 14:02:58,152 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-07-21 14:02:58,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 14:02:58,153 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_get_mac_addr_vf [2022-07-21 14:02:58,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_get_mac_addr_vf [2022-07-21 14:02:58,153 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_configure [2022-07-21 14:02:58,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_configure [2022-07-21 14:02:58,153 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_free_all_tx_resources [2022-07-21 14:02:58,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_free_all_tx_resources [2022-07-21 14:02:58,153 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-21 14:02:58,153 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-21 14:02:58,154 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-21 14:02:58,154 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-21 14:02:58,154 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_get_queues [2022-07-21 14:02:58,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_get_queues [2022-07-21 14:02:58,154 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-21 14:02:58,154 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-21 14:02:58,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-07-21 14:02:58,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-07-21 14:02:58,155 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_write_msg_read_ack [2022-07-21 14:02:58,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_write_msg_read_ack [2022-07-21 14:02:58,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-21 14:02:58,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-21 14:02:58,155 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-21 14:02:58,155 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-21 14:02:58,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-21 14:02:58,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-21 14:02:58,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-21 14:02:58,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-21 14:02:58,156 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-07-21 14:02:58,156 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-07-21 14:02:58,156 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_open [2022-07-21 14:02:58,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_open [2022-07-21 14:02:58,156 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2022-07-21 14:02:58,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2022-07-21 14:02:58,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_ixgbevf_exit_module_17_2 [2022-07-21 14:02:58,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_ixgbevf_exit_module_17_2 [2022-07-21 14:02:58,157 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_check_mac_link_vf [2022-07-21 14:02:58,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_check_mac_link_vf [2022-07-21 14:02:58,157 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_clear_interrupt_scheme [2022-07-21 14:02:58,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_clear_interrupt_scheme [2022-07-21 14:02:58,157 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_get_regs_len [2022-07-21 14:02:58,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_get_regs_len [2022-07-21 14:02:58,157 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-21 14:02:58,158 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-21 14:02:58,158 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-21 14:02:58,158 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-21 14:02:58,158 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-21 14:02:58,158 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-21 14:02:58,158 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-21 14:02:58,158 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-21 14:02:58,158 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_update_mc_addr_list_vf [2022-07-21 14:02:58,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_update_mc_addr_list_vf [2022-07-21 14:02:58,159 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_free_rx_resources [2022-07-21 14:02:58,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_free_rx_resources [2022-07-21 14:02:58,159 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-21 14:02:58,159 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-21 14:02:58,159 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-21 14:02:58,159 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-21 14:02:58,159 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 14:02:58,159 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 14:02:58,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 14:02:58,160 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_init_mbx_params_vf [2022-07-21 14:02:58,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_init_mbx_params_vf [2022-07-21 14:02:58,160 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-07-21 14:02:58,160 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-07-21 14:02:58,160 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_free_q_vectors [2022-07-21 14:02:58,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_free_q_vectors [2022-07-21 14:02:58,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 14:02:58,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 14:02:58,161 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_disable_rx_queue [2022-07-21 14:02:58,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_disable_rx_queue [2022-07-21 14:02:58,161 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_reset [2022-07-21 14:02:58,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_reset [2022-07-21 14:02:58,161 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_close [2022-07-21 14:02:58,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_close [2022-07-21 14:02:58,161 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-07-21 14:02:58,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-07-21 14:02:58,162 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2022-07-21 14:02:58,162 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2022-07-21 14:02:58,162 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2022-07-21 14:02:58,162 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2022-07-21 14:02:58,162 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-21 14:02:58,162 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-21 14:02:58,162 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2022-07-21 14:02:58,162 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2022-07-21 14:02:58,162 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-21 14:02:58,163 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-21 14:02:58,163 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-07-21 14:02:58,163 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-07-21 14:02:58,163 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-07-21 14:02:58,166 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-07-21 14:02:58,166 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-07-21 14:02:58,166 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-07-21 14:02:58,166 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-07-21 14:02:58,166 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-07-21 14:02:58,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-21 14:02:58,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-21 14:02:58,167 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-21 14:02:58,167 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-21 14:02:58,167 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-07-21 14:02:58,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-07-21 14:02:58,167 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_clean_rx_ring [2022-07-21 14:02:58,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_clean_rx_ring [2022-07-21 14:02:58,167 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_stop_hw_vf [2022-07-21 14:02:58,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_stop_hw_vf [2022-07-21 14:02:58,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2022-07-21 14:02:58,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2022-07-21 14:02:58,168 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_reset_hw_vf [2022-07-21 14:02:58,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_reset_hw_vf [2022-07-21 14:02:58,168 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-07-21 14:02:58,168 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-07-21 14:02:58,168 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-21 14:02:58,168 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-21 14:02:58,169 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_unmap_and_free_tx_resource [2022-07-21 14:02:58,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_unmap_and_free_tx_resource [2022-07-21 14:02:58,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 14:02:58,169 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-07-21 14:02:58,169 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-07-21 14:02:58,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-21 14:02:58,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-21 14:02:58,169 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2022-07-21 14:02:58,170 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2022-07-21 14:02:59,534 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 14:02:59,538 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 14:02:59,692 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 14:05:23,241 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-21 14:05:23,339 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 14:05:23,366 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 14:05:23,367 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2022-07-21 14:05:23,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:05:23 BoogieIcfgContainer [2022-07-21 14:05:23,372 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 14:05:23,374 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 14:05:23,374 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 14:05:23,376 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 14:05:23,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 02:02:48" (1/3) ... [2022-07-21 14:05:23,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bc2ca2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:05:23, skipping insertion in model container [2022-07-21 14:05:23,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:02:56" (2/3) ... [2022-07-21 14:05:23,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bc2ca2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:05:23, skipping insertion in model container [2022-07-21 14:05:23,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:05:23" (3/3) ... [2022-07-21 14:05:23,379 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbevf-ixgbevf.cil.i [2022-07-21 14:05:23,391 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 14:05:23,392 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-07-21 14:05:23,526 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 14:05:23,534 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@61ed22de, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@b7ac323 [2022-07-21 14:05:23,534 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-07-21 14:05:23,549 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) [2022-07-21 14:05:23,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-07-21 14:05:23,585 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:05:23,586 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] [2022-07-21 14:05:23,587 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:05:23,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:05:23,593 INFO L85 PathProgramCache]: Analyzing trace with hash -2015187387, now seen corresponding path program 1 times [2022-07-21 14:05:23,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:05:23,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714500972] [2022-07-21 14:05:23,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:05:23,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:05:24,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:25,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:05:25,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:25,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:25,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:25,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:05:25,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:25,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:25,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:25,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:05:25,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:25,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:25,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:25,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:05:25,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:25,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:25,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:25,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:05:25,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:25,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:25,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:25,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:05:25,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:25,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:25,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:25,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:05:25,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:25,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:25,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:25,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:05:25,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:25,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:25,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:25,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:05:25,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:25,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:25,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:25,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 14:05:25,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:25,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:25,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:25,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:05:25,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:25,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:25,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:25,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 14:05:25,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:25,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:25,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:25,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 14:05:25,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:25,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:25,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:25,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 14:05:25,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:25,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:25,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:25,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 14:05:25,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:25,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:25,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:25,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 14:05:25,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:25,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:25,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:25,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 14:05:25,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:25,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:25,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:25,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 14:05:25,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:25,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:25,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:25,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 14:05:25,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:25,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:25,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:25,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 14:05:25,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:25,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:25,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:25,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 14:05:25,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:25,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:25,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:25,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 14:05:25,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:25,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:25,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:25,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 14:05:25,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:25,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:25,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:25,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 14:05:25,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:25,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:25,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:25,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-21 14:05:25,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:25,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:25,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:25,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-21 14:05:25,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:25,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:25,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:25,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 14:05:25,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:25,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:25,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:26,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-21 14:05:26,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:26,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:26,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:26,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-21 14:05:26,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:26,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:26,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:26,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-21 14:05:26,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:26,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-07-21 14:05:26,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:26,057 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3741 trivial. 0 not checked. [2022-07-21 14:05:26,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:05:26,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714500972] [2022-07-21 14:05:26,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714500972] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:05:26,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:05:26,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 14:05:26,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202089901] [2022-07-21 14:05:26,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:05:26,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 14:05:26,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:05:26,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 14:05:26,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 14:05:26,105 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) [2022-07-21 14:05:28,225 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 [] [2022-07-21 14:05:30,523 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:05:56,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:05:56,505 INFO L93 Difference]: Finished difference Result 12079 states and 17577 transitions. [2022-07-21 14:05:56,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 14:05:56,509 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 [2022-07-21 14:05:56,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:05:56,606 INFO L225 Difference]: With dead ends: 12079 [2022-07-21 14:05:56,606 INFO L226 Difference]: Without dead ends: 8245 [2022-07-21 14:05:56,647 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 [2022-07-21 14:05:56,651 INFO L413 NwaCegarLoop]: 5697 mSDtfsCounter, 7541 mSDsluCounter, 5939 mSDsCounter, 0 mSdLazyCounter, 3814 mSolverCounterSat, 2798 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8297 SdHoareTripleChecker+Valid, 11636 SdHoareTripleChecker+Invalid, 6614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2798 IncrementalHoareTripleChecker+Valid, 3814 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.4s IncrementalHoareTripleChecker+Time [2022-07-21 14:05:56,654 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8297 Valid, 11636 Invalid, 6614 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2798 Valid, 3814 Invalid, 2 Unknown, 0 Unchecked, 29.4s Time] [2022-07-21 14:05:56,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8245 states. [2022-07-21 14:05:57,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8245 to 7561. [2022-07-21 14:05:57,129 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) [2022-07-21 14:05:57,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7561 states to 7561 states and 10406 transitions. [2022-07-21 14:05:57,188 INFO L78 Accepts]: Start accepts. Automaton has 7561 states and 10406 transitions. Word has length 346 [2022-07-21 14:05:57,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:05:57,190 INFO L495 AbstractCegarLoop]: Abstraction has 7561 states and 10406 transitions. [2022-07-21 14:05:57,190 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) [2022-07-21 14:05:57,190 INFO L276 IsEmpty]: Start isEmpty. Operand 7561 states and 10406 transitions. [2022-07-21 14:05:57,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2022-07-21 14:05:57,200 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:05:57,201 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] [2022-07-21 14:05:57,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 14:05:57,202 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:05:57,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:05:57,202 INFO L85 PathProgramCache]: Analyzing trace with hash 1430957260, now seen corresponding path program 1 times [2022-07-21 14:05:57,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:05:57,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460643965] [2022-07-21 14:05:57,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:05:57,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:05:57,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:05:58,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:58,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:05:58,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:58,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:05:58,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:58,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:05:58,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:58,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:05:58,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:58,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:05:58,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:58,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:05:58,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:58,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:05:58,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:58,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:05:58,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:58,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 14:05:58,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:58,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:05:58,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:58,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 14:05:58,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:58,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 14:05:58,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:58,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 14:05:58,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:58,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 14:05:58,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:58,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 14:05:58,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:58,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 14:05:58,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:58,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 14:05:58,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:58,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 14:05:58,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:58,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 14:05:58,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:58,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 14:05:58,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:58,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 14:05:58,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:58,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 14:05:58,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:58,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 14:05:58,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:58,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-21 14:05:58,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:58,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-21 14:05:58,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:58,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 14:05:58,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:58,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-21 14:05:58,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:58,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-21 14:05:58,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:05:58,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-21 14:05:58,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-21 14:05:58,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:05:58,712 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3741 trivial. 0 not checked. [2022-07-21 14:05:58,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:05:58,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460643965] [2022-07-21 14:05:58,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460643965] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:05:58,713 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:05:58,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 14:05:58,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017089321] [2022-07-21 14:05:58,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:05:58,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-21 14:05:58,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:05:58,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-21 14:05:58,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-21 14:05:58,717 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) [2022-07-21 14:06:00,824 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 [] [2022-07-21 14:06:03,104 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 14:06:27,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:06:27,687 INFO L93 Difference]: Finished difference Result 18054 states and 25103 transitions. [2022-07-21 14:06:27,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 14:06:27,689 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 [2022-07-21 14:06:27,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:06:27,773 INFO L225 Difference]: With dead ends: 18054 [2022-07-21 14:06:27,774 INFO L226 Difference]: Without dead ends: 10556 [2022-07-21 14:06:27,812 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 [2022-07-21 14:06:27,813 INFO L413 NwaCegarLoop]: 6065 mSDtfsCounter, 6086 mSDsluCounter, 6123 mSDsCounter, 0 mSdLazyCounter, 3641 mSolverCounterSat, 2241 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6708 SdHoareTripleChecker+Valid, 12188 SdHoareTripleChecker+Invalid, 5884 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2241 IncrementalHoareTripleChecker+Valid, 3641 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.2s IncrementalHoareTripleChecker+Time [2022-07-21 14:06:27,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6708 Valid, 12188 Invalid, 5884 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2241 Valid, 3641 Invalid, 2 Unknown, 0 Unchecked, 28.2s Time] [2022-07-21 14:06:27,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10556 states. [2022-07-21 14:06:28,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10556 to 9690. [2022-07-21 14:06:28,233 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) [2022-07-21 14:06:28,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9690 states to 9690 states and 13320 transitions. [2022-07-21 14:06:28,280 INFO L78 Accepts]: Start accepts. Automaton has 9690 states and 13320 transitions. Word has length 363 [2022-07-21 14:06:28,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:06:28,284 INFO L495 AbstractCegarLoop]: Abstraction has 9690 states and 13320 transitions. [2022-07-21 14:06:28,285 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) [2022-07-21 14:06:28,286 INFO L276 IsEmpty]: Start isEmpty. Operand 9690 states and 13320 transitions. [2022-07-21 14:06:28,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2022-07-21 14:06:28,300 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:06:28,301 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] [2022-07-21 14:06:28,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 14:06:28,302 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:06:28,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:06:28,302 INFO L85 PathProgramCache]: Analyzing trace with hash -545826148, now seen corresponding path program 1 times [2022-07-21 14:06:28,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:06:28,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207508734] [2022-07-21 14:06:28,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:06:28,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:06:28,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 14:06:29,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:29,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 14:06:29,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:29,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-21 14:06:29,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:29,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 14:06:29,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:29,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-21 14:06:29,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:29,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-21 14:06:29,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:29,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-21 14:06:29,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:29,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-21 14:06:29,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:29,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-21 14:06:29,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:29,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-21 14:06:29,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:29,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-21 14:06:29,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:29,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-21 14:06:29,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:29,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-21 14:06:29,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:29,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-21 14:06:29,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:29,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-21 14:06:29,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:29,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-21 14:06:29,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:29,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-21 14:06:29,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:29,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-21 14:06:29,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:29,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-21 14:06:29,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:29,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-21 14:06:29,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:29,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-21 14:06:29,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:29,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-21 14:06:29,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:29,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-21 14:06:29,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:29,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-21 14:06:29,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:29,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-21 14:06:29,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:29,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-21 14:06:29,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:29,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-21 14:06:29,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:29,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-21 14:06:29,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:29,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-21 14:06:29,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:29,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-21 14:06:29,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-21 14:06:29,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:29,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-07-21 14:06:29,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:30,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-21 14:06:30,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:30,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-07-21 14:06:30,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:30,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:06:30,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:30,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-21 14:06:30,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:30,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2022-07-21 14:06:30,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:30,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-07-21 14:06:30,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:06:30,092 INFO L134 CoverageAnalysis]: Checked inductivity of 4054 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4054 trivial. 0 not checked. [2022-07-21 14:06:30,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:06:30,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207508734] [2022-07-21 14:06:30,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207508734] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:06:30,094 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:06:30,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 14:06:30,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639822162] [2022-07-21 14:06:30,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:06:30,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 14:06:30,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:06:30,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 14:06:30,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:06:30,097 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) [2022-07-21 14:06:32,204 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 []