./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 eb692b52 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-?-eb692b5 [2022-07-20 02:31:42,855 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 02:31:42,856 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 02:31:42,888 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 02:31:42,889 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 02:31:42,890 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 02:31:42,891 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 02:31:42,892 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 02:31:42,893 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 02:31:42,894 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 02:31:42,895 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 02:31:42,896 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 02:31:42,896 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 02:31:42,897 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 02:31:42,898 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 02:31:42,898 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 02:31:42,899 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 02:31:42,900 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 02:31:42,901 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 02:31:42,902 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 02:31:42,903 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 02:31:42,911 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 02:31:42,912 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 02:31:42,913 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 02:31:42,914 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 02:31:42,918 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 02:31:42,918 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 02:31:42,919 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 02:31:42,919 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 02:31:42,920 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 02:31:42,920 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 02:31:42,921 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 02:31:42,921 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 02:31:42,922 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 02:31:42,922 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 02:31:42,923 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 02:31:42,923 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 02:31:42,923 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 02:31:42,924 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 02:31:42,924 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 02:31:42,924 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 02:31:42,925 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 02:31:42,926 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 02:31:42,939 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 02:31:42,940 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 02:31:42,940 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 02:31:42,940 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 02:31:42,941 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 02:31:42,941 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 02:31:42,941 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 02:31:42,942 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 02:31:42,942 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 02:31:42,942 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 02:31:42,942 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 02:31:42,942 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 02:31:42,943 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 02:31:42,943 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 02:31:42,943 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 02:31:42,943 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 02:31:42,943 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 02:31:42,943 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 02:31:42,944 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 02:31:42,944 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 02:31:42,944 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 02:31:42,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 02:31:42,944 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 02:31:42,945 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 02:31:42,945 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 02:31:42,945 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 02:31:42,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 02:31:42,945 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 02:31:42,946 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 02:31:42,946 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 02:31:42,946 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 807baa6191d907795e80ff5436f6f636b6dbcf7109bdc782ca0ac1b857ff64f7 [2022-07-20 02:31:43,174 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 02:31:43,191 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 02:31:43,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 02:31:43,195 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 02:31:43,195 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 02:31:43,196 INFO L432 ainManager$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 [2022-07-20 02:31:43,249 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b54992f2f/4b2565680cef47dd86e352292a2346e1/FLAG081cd3d7a [2022-07-20 02:31:44,032 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 02:31:44,033 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 [2022-07-20 02:31:44,103 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b54992f2f/4b2565680cef47dd86e352292a2346e1/FLAG081cd3d7a [2022-07-20 02:31:44,226 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b54992f2f/4b2565680cef47dd86e352292a2346e1 [2022-07-20 02:31:44,228 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 02:31:44,230 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 02:31:44,232 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 02:31:44,232 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 02:31:44,234 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 02:31:44,235 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:31:44" (1/1) ... [2022-07-20 02:31:44,236 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@780acf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:31:44, skipping insertion in model container [2022-07-20 02:31:44,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:31:44" (1/1) ... [2022-07-20 02:31:44,240 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 02:31:44,386 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 02:31:47,515 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] [2022-07-20 02:31:47,518 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] [2022-07-20 02:31:47,518 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] [2022-07-20 02:31:47,518 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] [2022-07-20 02:31:47,540 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:31:47,596 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 02:31:48,060 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] [2022-07-20 02:31:48,061 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] [2022-07-20 02:31:48,062 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] [2022-07-20 02:31:48,062 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] [2022-07-20 02:31:48,071 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:31:48,259 INFO L208 MainTranslator]: Completed translation [2022-07-20 02:31:48,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:31:48 WrapperNode [2022-07-20 02:31:48,259 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 02:31:48,260 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 02:31:48,260 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 02:31:48,261 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 02:31:48,266 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:31:48" (1/1) ... [2022-07-20 02:31:48,391 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:31:48" (1/1) ... [2022-07-20 02:31:48,682 INFO L137 Inliner]: procedures = 619, calls = 4107, calls flagged for inlining = 350, calls inlined = 330, statements flattened = 10294 [2022-07-20 02:31:48,683 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 02:31:48,684 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 02:31:48,684 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 02:31:48,684 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 02:31:48,691 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:31:48" (1/1) ... [2022-07-20 02:31:48,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:31:48" (1/1) ... [2022-07-20 02:31:48,758 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:31:48" (1/1) ... [2022-07-20 02:31:48,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:31:48" (1/1) ... [2022-07-20 02:31:48,926 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:31:48" (1/1) ... [2022-07-20 02:31:48,957 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:31:48" (1/1) ... [2022-07-20 02:31:49,140 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:31:48" (1/1) ... [2022-07-20 02:31:49,192 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 02:31:49,193 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 02:31:49,193 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 02:31:49,195 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 02:31:49,195 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:31:48" (1/1) ... [2022-07-20 02:31:49,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 02:31:49,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 02:31:49,216 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) [2022-07-20 02:31:49,227 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 [2022-07-20 02:31:49,241 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-07-20 02:31:49,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-07-20 02:31:49,248 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-20 02:31:49,248 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-20 02:31:49,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 02:31:49,248 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 02:31:49,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2022-07-20 02:31:49,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2022-07-20 02:31:49,248 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_clean_rx_irq [2022-07-20 02:31:49,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_clean_rx_irq [2022-07-20 02:31:49,248 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_setup_rx_resources [2022-07-20 02:31:49,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_setup_rx_resources [2022-07-20 02:31:49,248 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 02:31:49,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 02:31:49,248 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_tx_ctxtdesc [2022-07-20 02:31:49,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_tx_ctxtdesc [2022-07-20 02:31:49,249 INFO L130 BoogieDeclarations]: Found specification of procedure skb_header_pointer [2022-07-20 02:31:49,249 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_header_pointer [2022-07-20 02:31:49,249 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-20 02:31:49,249 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-20 02:31:49,249 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_write_eitr [2022-07-20 02:31:49,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_write_eitr [2022-07-20 02:31:49,249 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-07-20 02:31:49,249 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-07-20 02:31:49,249 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_set_uc_addr_vf [2022-07-20 02:31:49,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_set_uc_addr_vf [2022-07-20 02:31:49,249 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-07-20 02:31:49,249 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-07-20 02:31:49,249 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-20 02:31:49,249 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-20 02:31:49,249 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-20 02:31:49,249 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-20 02:31:49,249 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~bool~0~TO~~s32~0 [2022-07-20 02:31:49,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~bool~0~TO~~s32~0 [2022-07-20 02:31:49,250 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-20 02:31:49,250 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-20 02:31:49,250 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_desc_unused [2022-07-20 02:31:49,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_desc_unused [2022-07-20 02:31:49,250 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_poll_for_ack [2022-07-20 02:31:49,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_poll_for_ack [2022-07-20 02:31:49,250 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_setup_tx_resources [2022-07-20 02:31:49,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_setup_tx_resources [2022-07-20 02:31:49,250 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_remove [2022-07-20 02:31:49,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_remove [2022-07-20 02:31:49,250 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-20 02:31:49,250 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-20 02:31:49,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-20 02:31:49,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-20 02:31:49,250 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-20 02:31:49,250 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-20 02:31:49,250 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-20 02:31:49,251 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-20 02:31:49,251 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-20 02:31:49,251 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-20 02:31:49,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 02:31:49,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 02:31:49,251 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-07-20 02:31:49,251 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-07-20 02:31:49,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 02:31:49,251 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-20 02:31:49,251 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-20 02:31:49,251 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_resume [2022-07-20 02:31:49,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_resume [2022-07-20 02:31:49,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-07-20 02:31:49,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-07-20 02:31:49,251 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-20 02:31:49,251 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-20 02:31:49,251 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-20 02:31:49,252 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-20 02:31:49,252 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_write_mbx_vf [2022-07-20 02:31:49,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_write_mbx_vf [2022-07-20 02:31:49,252 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_read_posted_mbx [2022-07-20 02:31:49,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_read_posted_mbx [2022-07-20 02:31:49,252 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_read_mbx_vf [2022-07-20 02:31:49,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_read_mbx_vf [2022-07-20 02:31:49,252 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-20 02:31:49,252 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-20 02:31:49,252 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-20 02:31:49,252 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-20 02:31:49,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-20 02:31:49,252 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_reinit_locked [2022-07-20 02:31:49,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_reinit_locked [2022-07-20 02:31:49,252 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_up [2022-07-20 02:31:49,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_up [2022-07-20 02:31:49,252 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-07-20 02:31:49,252 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-07-20 02:31:49,252 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-20 02:31:49,253 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-20 02:31:49,253 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-20 02:31:49,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-20 02:31:49,253 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_free_irq [2022-07-20 02:31:49,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_free_irq [2022-07-20 02:31:49,253 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_set_rar_vf [2022-07-20 02:31:49,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_set_rar_vf [2022-07-20 02:31:49,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-20 02:31:49,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-20 02:31:49,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-20 02:31:49,253 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header_len [2022-07-20 02:31:49,253 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header_len [2022-07-20 02:31:49,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-20 02:31:49,253 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-20 02:31:49,253 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-20 02:31:49,253 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_set_vfta_vf [2022-07-20 02:31:49,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_set_vfta_vf [2022-07-20 02:31:49,253 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-07-20 02:31:49,254 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-07-20 02:31:49,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 02:31:49,254 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 02:31:49,254 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_down [2022-07-20 02:31:49,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_down [2022-07-20 02:31:49,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-20 02:31:49,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-20 02:31:49,254 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-20 02:31:49,254 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-20 02:31:49,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-20 02:31:49,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-20 02:31:49,254 INFO L130 BoogieDeclarations]: Found specification of procedure map_vector_to_txq [2022-07-20 02:31:49,254 INFO L138 BoogieDeclarations]: Found implementation of procedure map_vector_to_txq [2022-07-20 02:31:49,254 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2022-07-20 02:31:49,254 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2022-07-20 02:31:49,254 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_free_all_rx_resources [2022-07-20 02:31:49,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_free_all_rx_resources [2022-07-20 02:31:49,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-20 02:31:49,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-20 02:31:49,255 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-20 02:31:49,255 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-20 02:31:49,255 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_tx_timeout [2022-07-20 02:31:49,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_tx_timeout [2022-07-20 02:31:49,255 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-20 02:31:49,255 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-20 02:31:49,255 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2022-07-20 02:31:49,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2022-07-20 02:31:49,255 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_negotiate_api [2022-07-20 02:31:49,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_negotiate_api [2022-07-20 02:31:49,255 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 02:31:49,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-20 02:31:49,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-20 02:31:49,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-20 02:31:49,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-20 02:31:49,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-20 02:31:49,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-20 02:31:49,255 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_alloc_rx_buffers [2022-07-20 02:31:49,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_alloc_rx_buffers [2022-07-20 02:31:49,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-20 02:31:49,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-20 02:31:49,256 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_init_interrupt_scheme [2022-07-20 02:31:49,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_init_interrupt_scheme [2022-07-20 02:31:49,256 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-20 02:31:49,256 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-20 02:31:49,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 02:31:49,256 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-20 02:31:49,256 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-20 02:31:49,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 02:31:49,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 02:31:49,256 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-20 02:31:49,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-20 02:31:49,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 02:31:49,256 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-20 02:31:49,256 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_free_tx_resources [2022-07-20 02:31:49,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_free_tx_resources [2022-07-20 02:31:49,256 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_init_hw_vf [2022-07-20 02:31:49,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_init_hw_vf [2022-07-20 02:31:49,256 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-07-20 02:31:49,256 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-07-20 02:31:49,257 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_maybe_stop_tx [2022-07-20 02:31:49,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_maybe_stop_tx [2022-07-20 02:31:49,257 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_check_for_msg_vf [2022-07-20 02:31:49,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_check_for_msg_vf [2022-07-20 02:31:49,257 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-20 02:31:49,257 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-20 02:31:49,257 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_busy_poll_recv [2022-07-20 02:31:49,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_busy_poll_recv [2022-07-20 02:31:49,257 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_write_posted_mbx [2022-07-20 02:31:49,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_write_posted_mbx [2022-07-20 02:31:49,257 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~$Pointer$~TO~~s32~0 [2022-07-20 02:31:49,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~$Pointer$~TO~~s32~0 [2022-07-20 02:31:49,257 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-20 02:31:49,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-20 02:31:49,257 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-20 02:31:49,257 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-20 02:31:49,257 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-20 02:31:49,257 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-20 02:31:49,257 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~~s32~0 [2022-07-20 02:31:49,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~~s32~0 [2022-07-20 02:31:49,257 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_init_last_counter_stats [2022-07-20 02:31:49,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_init_last_counter_stats [2022-07-20 02:31:49,258 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_io_resume [2022-07-20 02:31:49,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_io_resume [2022-07-20 02:31:49,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-20 02:31:49,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-20 02:31:49,258 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_up_complete [2022-07-20 02:31:49,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_up_complete [2022-07-20 02:31:49,258 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2022-07-20 02:31:49,258 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2022-07-20 02:31:49,258 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_set_ivar [2022-07-20 02:31:49,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_set_ivar [2022-07-20 02:31:49,258 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_check_for_bit_vf [2022-07-20 02:31:49,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_check_for_bit_vf [2022-07-20 02:31:49,258 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-20 02:31:49,258 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-20 02:31:49,258 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-20 02:31:49,258 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-20 02:31:49,258 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_shutdown [2022-07-20 02:31:49,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_shutdown [2022-07-20 02:31:49,258 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_reset_interrupt_capability [2022-07-20 02:31:49,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_reset_interrupt_capability [2022-07-20 02:31:49,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 02:31:49,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 02:31:49,259 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-20 02:31:49,259 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-20 02:31:49,259 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_nway_reset [2022-07-20 02:31:49,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_nway_reset [2022-07-20 02:31:49,259 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-20 02:31:49,259 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-20 02:31:49,259 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_obtain_mbx_lock_vf [2022-07-20 02:31:49,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_obtain_mbx_lock_vf [2022-07-20 02:31:49,259 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_clean_tx_ring [2022-07-20 02:31:49,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_clean_tx_ring [2022-07-20 02:31:49,259 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_check_for_rst_vf [2022-07-20 02:31:49,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_check_for_rst_vf [2022-07-20 02:31:49,259 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_read_v2p_mailbox [2022-07-20 02:31:49,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_read_v2p_mailbox [2022-07-20 02:31:49,259 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-20 02:31:49,259 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-20 02:31:49,259 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_check_for_ack_vf [2022-07-20 02:31:49,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_check_for_ack_vf [2022-07-20 02:31:49,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 02:31:49,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 02:31:49,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 02:31:49,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 02:31:49,260 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_update_stats [2022-07-20 02:31:49,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_update_stats [2022-07-20 02:31:49,260 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-20 02:31:49,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-20 02:31:49,260 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_irq_enable [2022-07-20 02:31:49,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_irq_enable [2022-07-20 02:31:49,260 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-20 02:31:49,260 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-20 02:31:49,260 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-20 02:31:49,260 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-20 02:31:49,260 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-20 02:31:49,260 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_start_hw_vf [2022-07-20 02:31:49,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_start_hw_vf [2022-07-20 02:31:49,260 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-07-20 02:31:49,260 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-07-20 02:31:49,260 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-20 02:31:49,260 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-20 02:31:49,261 INFO L130 BoogieDeclarations]: Found specification of procedure napi_hash_del [2022-07-20 02:31:49,261 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_hash_del [2022-07-20 02:31:49,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-20 02:31:49,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-20 02:31:49,261 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2022-07-20 02:31:49,261 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2022-07-20 02:31:49,261 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_all_queues [2022-07-20 02:31:49,261 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_all_queues [2022-07-20 02:31:49,261 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_set_rx_mode [2022-07-20 02:31:49,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_set_rx_mode [2022-07-20 02:31:49,261 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-07-20 02:31:49,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-07-20 02:31:49,261 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-20 02:31:49,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-20 02:31:49,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 02:31:49,261 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 02:31:49,261 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~$Pointer$~X~~u32~0~TO~~s32~0 [2022-07-20 02:31:49,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~$Pointer$~X~~u32~0~TO~~s32~0 [2022-07-20 02:31:49,261 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_poll_for_msg [2022-07-20 02:31:49,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_poll_for_msg [2022-07-20 02:31:49,261 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_suspend [2022-07-20 02:31:49,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_suspend [2022-07-20 02:31:49,262 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-20 02:31:49,262 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-20 02:31:49,262 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-20 02:31:49,262 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-20 02:31:49,262 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-20 02:31:49,262 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-20 02:31:49,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 02:31:49,262 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-20 02:31:49,262 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-20 02:31:49,262 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-20 02:31:49,262 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-20 02:31:49,262 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-20 02:31:49,262 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-20 02:31:49,262 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_link_test [2022-07-20 02:31:49,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_link_test [2022-07-20 02:31:49,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 02:31:49,262 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_vlan_rx_add_vid [2022-07-20 02:31:49,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_vlan_rx_add_vid [2022-07-20 02:31:49,262 INFO L130 BoogieDeclarations]: Found specification of procedure map_vector_to_rxq [2022-07-20 02:31:49,262 INFO L138 BoogieDeclarations]: Found implementation of procedure map_vector_to_rxq [2022-07-20 02:31:49,263 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~~bool~0~TO~~s32~0 [2022-07-20 02:31:49,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~~bool~0~TO~~s32~0 [2022-07-20 02:31:49,263 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2022-07-20 02:31:49,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2022-07-20 02:31:49,263 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-07-20 02:31:49,263 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-07-20 02:31:49,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 02:31:49,267 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_get_mac_addr_vf [2022-07-20 02:31:49,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_get_mac_addr_vf [2022-07-20 02:31:49,267 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_configure [2022-07-20 02:31:49,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_configure [2022-07-20 02:31:49,268 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_free_all_tx_resources [2022-07-20 02:31:49,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_free_all_tx_resources [2022-07-20 02:31:49,268 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-20 02:31:49,268 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-20 02:31:49,268 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-20 02:31:49,268 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-20 02:31:49,268 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_get_queues [2022-07-20 02:31:49,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_get_queues [2022-07-20 02:31:49,268 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-20 02:31:49,269 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-20 02:31:49,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-07-20 02:31:49,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-07-20 02:31:49,269 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_write_msg_read_ack [2022-07-20 02:31:49,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_write_msg_read_ack [2022-07-20 02:31:49,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-20 02:31:49,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-20 02:31:49,269 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-20 02:31:49,269 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-20 02:31:49,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-20 02:31:49,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-20 02:31:49,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-20 02:31:49,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-20 02:31:49,270 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-07-20 02:31:49,270 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-07-20 02:31:49,270 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_open [2022-07-20 02:31:49,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_open [2022-07-20 02:31:49,270 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2022-07-20 02:31:49,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u16~0~TO~~s32~0 [2022-07-20 02:31:49,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_ixgbevf_exit_module_17_2 [2022-07-20 02:31:49,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_ixgbevf_exit_module_17_2 [2022-07-20 02:31:49,271 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_check_mac_link_vf [2022-07-20 02:31:49,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_check_mac_link_vf [2022-07-20 02:31:49,271 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_clear_interrupt_scheme [2022-07-20 02:31:49,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_clear_interrupt_scheme [2022-07-20 02:31:49,271 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_get_regs_len [2022-07-20 02:31:49,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_get_regs_len [2022-07-20 02:31:49,272 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-20 02:31:49,272 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-20 02:31:49,272 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-20 02:31:49,272 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-20 02:31:49,272 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-20 02:31:49,272 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-20 02:31:49,272 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-20 02:31:49,272 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-20 02:31:49,272 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_update_mc_addr_list_vf [2022-07-20 02:31:49,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_update_mc_addr_list_vf [2022-07-20 02:31:49,273 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_free_rx_resources [2022-07-20 02:31:49,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_free_rx_resources [2022-07-20 02:31:49,273 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-20 02:31:49,273 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-20 02:31:49,273 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-20 02:31:49,273 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-20 02:31:49,273 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 02:31:49,273 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 02:31:49,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-20 02:31:49,274 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_init_mbx_params_vf [2022-07-20 02:31:49,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_init_mbx_params_vf [2022-07-20 02:31:49,274 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-07-20 02:31:49,274 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-07-20 02:31:49,274 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_free_q_vectors [2022-07-20 02:31:49,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_free_q_vectors [2022-07-20 02:31:49,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 02:31:49,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 02:31:49,274 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_disable_rx_queue [2022-07-20 02:31:49,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_disable_rx_queue [2022-07-20 02:31:49,275 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_reset [2022-07-20 02:31:49,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_reset [2022-07-20 02:31:49,275 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_close [2022-07-20 02:31:49,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_close [2022-07-20 02:31:49,276 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-07-20 02:31:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-07-20 02:31:49,276 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2022-07-20 02:31:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2022-07-20 02:31:49,277 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2022-07-20 02:31:49,277 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2022-07-20 02:31:49,277 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-20 02:31:49,277 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-20 02:31:49,278 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2022-07-20 02:31:49,281 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2022-07-20 02:31:49,282 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-20 02:31:49,282 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-20 02:31:49,282 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-07-20 02:31:49,282 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-07-20 02:31:49,282 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-07-20 02:31:49,282 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-07-20 02:31:49,282 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-07-20 02:31:49,282 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-07-20 02:31:49,282 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-07-20 02:31:49,283 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-07-20 02:31:49,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-20 02:31:49,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-20 02:31:49,283 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-20 02:31:49,284 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-20 02:31:49,284 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-07-20 02:31:49,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-07-20 02:31:49,284 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_clean_rx_ring [2022-07-20 02:31:49,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_clean_rx_ring [2022-07-20 02:31:49,284 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_stop_hw_vf [2022-07-20 02:31:49,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_stop_hw_vf [2022-07-20 02:31:49,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2022-07-20 02:31:49,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2022-07-20 02:31:49,284 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_reset_hw_vf [2022-07-20 02:31:49,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_reset_hw_vf [2022-07-20 02:31:49,285 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-07-20 02:31:49,285 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-07-20 02:31:49,285 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-20 02:31:49,285 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-20 02:31:49,285 INFO L130 BoogieDeclarations]: Found specification of procedure ixgbevf_unmap_and_free_tx_resource [2022-07-20 02:31:49,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgbevf_unmap_and_free_tx_resource [2022-07-20 02:31:49,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 02:31:49,285 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-07-20 02:31:49,285 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-07-20 02:31:49,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-20 02:31:49,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-20 02:31:49,286 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2022-07-20 02:31:49,286 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2022-07-20 02:31:50,338 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 02:31:50,341 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 02:31:50,453 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 02:34:09,759 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-20 02:34:09,870 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 02:34:09,893 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 02:34:09,894 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2022-07-20 02:34:09,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:34:09 BoogieIcfgContainer [2022-07-20 02:34:09,900 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 02:34:09,903 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 02:34:09,903 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 02:34:09,905 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 02:34:09,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 02:31:44" (1/3) ... [2022-07-20 02:34:09,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@194d6c16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:34:09, skipping insertion in model container [2022-07-20 02:34:09,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:31:48" (2/3) ... [2022-07-20 02:34:09,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@194d6c16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:34:09, skipping insertion in model container [2022-07-20 02:34:09,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:34:09" (3/3) ... [2022-07-20 02:34:09,908 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-ixgbevf-ixgbevf.cil.i [2022-07-20 02:34:09,917 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 02:34:09,918 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-07-20 02:34:10,012 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 02:34:10,019 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@45f820a7, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@765024de [2022-07-20 02:34:10,019 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-07-20 02:34:10,032 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) [2022-07-20 02:34:10,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-07-20 02:34:10,070 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:34:10,070 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] [2022-07-20 02:34:10,071 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 02:34:10,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:34:10,074 INFO L85 PathProgramCache]: Analyzing trace with hash -2015187387, now seen corresponding path program 1 times [2022-07-20 02:34:10,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:34:10,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099763580] [2022-07-20 02:34:10,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:34:10,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:34:10,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:34:11,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:11,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:34:11,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:11,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:34:11,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:11,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:34:11,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:11,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:34:11,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:11,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:34:11,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:11,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:34:11,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:11,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:34:11,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:11,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:34:11,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:11,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:34:11,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:11,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 02:34:11,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:11,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 02:34:11,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:11,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 02:34:11,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:11,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 02:34:11,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:11,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 02:34:11,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:11,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 02:34:11,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:11,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 02:34:11,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:11,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 02:34:11,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:11,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 02:34:11,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:11,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 02:34:11,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:11,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 02:34:11,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:11,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-20 02:34:11,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:11,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 02:34:11,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:11,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 02:34:11,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:11,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-20 02:34:11,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:11,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-20 02:34:11,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-20 02:34:11,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:11,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-20 02:34:11,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:11,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-20 02:34:11,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:11,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-20 02:34:11,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-07-20 02:34:11,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:11,887 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3741 trivial. 0 not checked. [2022-07-20 02:34:11,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:34:11,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099763580] [2022-07-20 02:34:11,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099763580] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:34:11,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:34:11,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 02:34:11,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092889803] [2022-07-20 02:34:11,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:34:11,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 02:34:11,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:34:11,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 02:34:11,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 02:34:11,916 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) [2022-07-20 02:34:14,002 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:34:16,278 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:34:37,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:34:37,580 INFO L93 Difference]: Finished difference Result 12079 states and 17577 transitions. [2022-07-20 02:34:37,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 02:34:37,582 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 [2022-07-20 02:34:37,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:34:37,638 INFO L225 Difference]: With dead ends: 12079 [2022-07-20 02:34:37,639 INFO L226 Difference]: Without dead ends: 8245 [2022-07-20 02:34:37,664 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 [2022-07-20 02:34:37,667 INFO L413 NwaCegarLoop]: 5704 mSDtfsCounter, 7541 mSDsluCounter, 5947 mSDsCounter, 0 mSdLazyCounter, 3814 mSolverCounterSat, 2798 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8291 SdHoareTripleChecker+Valid, 11651 SdHoareTripleChecker+Invalid, 6614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2798 IncrementalHoareTripleChecker+Valid, 3814 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.8s IncrementalHoareTripleChecker+Time [2022-07-20 02:34:37,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8291 Valid, 11651 Invalid, 6614 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2798 Valid, 3814 Invalid, 2 Unknown, 0 Unchecked, 24.8s Time] [2022-07-20 02:34:37,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8245 states. [2022-07-20 02:34:37,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8245 to 7561. [2022-07-20 02:34:37,968 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) [2022-07-20 02:34:38,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7561 states to 7561 states and 10406 transitions. [2022-07-20 02:34:38,014 INFO L78 Accepts]: Start accepts. Automaton has 7561 states and 10406 transitions. Word has length 346 [2022-07-20 02:34:38,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:34:38,018 INFO L495 AbstractCegarLoop]: Abstraction has 7561 states and 10406 transitions. [2022-07-20 02:34:38,018 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) [2022-07-20 02:34:38,019 INFO L276 IsEmpty]: Start isEmpty. Operand 7561 states and 10406 transitions. [2022-07-20 02:34:38,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2022-07-20 02:34:38,030 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:34:38,030 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] [2022-07-20 02:34:38,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 02:34:38,032 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 02:34:38,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:34:38,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1430957260, now seen corresponding path program 1 times [2022-07-20 02:34:38,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:34:38,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249579314] [2022-07-20 02:34:38,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:34:38,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:34:38,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:38,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:34:38,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:38,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:38,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:38,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:34:38,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:38,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:38,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:38,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:34:38,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:38,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:38,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:38,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:34:38,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:38,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:38,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:38,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:34:38,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:38,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:38,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:38,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:34:38,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:38,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:38,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:38,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:34:38,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:38,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:38,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:38,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:34:38,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:38,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:38,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:38,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:34:38,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:38,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:38,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:38,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:34:38,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:38,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:38,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:38,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 02:34:38,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:38,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:38,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:38,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 02:34:38,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:38,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:38,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:38,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 02:34:38,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:38,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:38,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:38,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 02:34:38,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:38,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:38,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:38,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 02:34:38,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:38,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:38,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:38,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 02:34:38,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:38,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:38,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:38,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 02:34:39,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:39,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:39,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:39,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 02:34:39,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:39,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:39,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:39,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 02:34:39,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:39,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:39,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:39,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 02:34:39,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:39,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:39,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:39,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 02:34:39,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:39,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:39,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:39,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-20 02:34:39,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:39,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:39,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:39,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 02:34:39,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:39,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:39,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:39,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 02:34:39,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:39,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:39,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:39,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-20 02:34:39,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:39,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:39,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:39,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-20 02:34:39,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:39,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:39,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:39,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-20 02:34:39,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:39,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:39,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:39,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-20 02:34:39,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:39,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:39,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:39,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-20 02:34:39,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:39,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:34:39,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:39,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-20 02:34:39,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:39,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-20 02:34:39,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:34:39,224 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3741 trivial. 0 not checked. [2022-07-20 02:34:39,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:34:39,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249579314] [2022-07-20 02:34:39,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249579314] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:34:39,225 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:34:39,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 02:34:39,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460506825] [2022-07-20 02:34:39,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:34:39,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 02:34:39,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:34:39,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 02:34:39,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 02:34:39,228 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) [2022-07-20 02:34:41,317 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:34:43,601 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 [] [2022-07-20 02:35:07,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:35:07,358 INFO L93 Difference]: Finished difference Result 18054 states and 25103 transitions. [2022-07-20 02:35:07,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 02:35:07,359 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 [2022-07-20 02:35:07,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:35:07,640 INFO L225 Difference]: With dead ends: 18054 [2022-07-20 02:35:07,640 INFO L226 Difference]: Without dead ends: 10556 [2022-07-20 02:35:07,662 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 [2022-07-20 02:35:07,663 INFO L413 NwaCegarLoop]: 6054 mSDtfsCounter, 6086 mSDsluCounter, 6106 mSDsCounter, 0 mSdLazyCounter, 3641 mSolverCounterSat, 2241 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6713 SdHoareTripleChecker+Valid, 12160 SdHoareTripleChecker+Invalid, 5884 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2241 IncrementalHoareTripleChecker+Valid, 3641 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.4s IncrementalHoareTripleChecker+Time [2022-07-20 02:35:07,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6713 Valid, 12160 Invalid, 5884 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2241 Valid, 3641 Invalid, 2 Unknown, 0 Unchecked, 27.4s Time] [2022-07-20 02:35:07,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10556 states. [2022-07-20 02:35:07,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10556 to 9690. [2022-07-20 02:35:08,002 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) [2022-07-20 02:35:08,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9690 states to 9690 states and 13320 transitions. [2022-07-20 02:35:08,043 INFO L78 Accepts]: Start accepts. Automaton has 9690 states and 13320 transitions. Word has length 363 [2022-07-20 02:35:08,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:35:08,045 INFO L495 AbstractCegarLoop]: Abstraction has 9690 states and 13320 transitions. [2022-07-20 02:35:08,046 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) [2022-07-20 02:35:08,046 INFO L276 IsEmpty]: Start isEmpty. Operand 9690 states and 13320 transitions. [2022-07-20 02:35:08,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2022-07-20 02:35:08,056 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:35:08,057 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] [2022-07-20 02:35:08,057 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 02:35:08,057 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 02:35:08,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:35:08,058 INFO L85 PathProgramCache]: Analyzing trace with hash -545826148, now seen corresponding path program 1 times [2022-07-20 02:35:08,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:35:08,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352409033] [2022-07-20 02:35:08,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:35:08,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:35:08,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:08,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:35:08,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:08,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:08,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:08,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:35:08,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:08,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:08,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:08,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:35:08,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:08,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:08,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:08,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:35:08,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:08,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:08,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:08,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:35:08,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:09,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:35:09,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:09,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:35:09,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:09,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:35:09,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:09,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:35:09,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:09,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:35:09,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:09,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 02:35:09,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:09,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 02:35:09,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:09,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 02:35:09,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:09,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 02:35:09,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:09,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 02:35:09,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:09,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 02:35:09,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:09,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 02:35:09,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:09,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 02:35:09,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:09,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 02:35:09,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:09,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 02:35:09,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:09,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 02:35:09,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:09,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-20 02:35:09,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:09,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 02:35:09,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:09,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 02:35:09,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:09,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-20 02:35:09,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:09,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-20 02:35:09,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:09,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-20 02:35:09,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:09,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-20 02:35:09,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:09,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-20 02:35:09,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:09,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-20 02:35:09,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-20 02:35:09,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-07-20 02:35:09,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-20 02:35:09,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-07-20 02:35:09,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:09,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-07-20 02:35:09,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2022-07-20 02:35:09,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-07-20 02:35:09,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:09,546 INFO L134 CoverageAnalysis]: Checked inductivity of 4054 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4054 trivial. 0 not checked. [2022-07-20 02:35:09,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:35:09,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352409033] [2022-07-20 02:35:09,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352409033] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:35:09,548 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:35:09,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 02:35:09,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337368518] [2022-07-20 02:35:09,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:35:09,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 02:35:09,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:35:09,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 02:35:09,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 02:35:09,550 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) [2022-07-20 02:35:11,626 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:35:29,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:35:29,670 INFO L93 Difference]: Finished difference Result 10549 states and 14751 transitions. [2022-07-20 02:35:29,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 02:35:29,671 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 402 [2022-07-20 02:35:29,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:35:29,746 INFO L225 Difference]: With dead ends: 10549 [2022-07-20 02:35:29,746 INFO L226 Difference]: Without dead ends: 10518 [2022-07-20 02:35:29,761 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-20 02:35:29,765 INFO L413 NwaCegarLoop]: 5049 mSDtfsCounter, 6091 mSDsluCounter, 5866 mSDsCounter, 0 mSdLazyCounter, 2931 mSolverCounterSat, 1858 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6582 SdHoareTripleChecker+Valid, 10915 SdHoareTripleChecker+Invalid, 4790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1858 IncrementalHoareTripleChecker+Valid, 2931 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.5s IncrementalHoareTripleChecker+Time [2022-07-20 02:35:29,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6582 Valid, 10915 Invalid, 4790 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1858 Valid, 2931 Invalid, 1 Unknown, 0 Unchecked, 19.5s Time] [2022-07-20 02:35:29,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10518 states. [2022-07-20 02:35:30,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10518 to 9659. [2022-07-20 02:35:30,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9659 states, 7082 states have (on average 1.2856537701214346) internal successors, (9105), 7180 states have internal predecessors, (9105), 2084 states have call successors, (2084), 492 states have call predecessors, (2084), 492 states have return successors, (2084), 2075 states have call predecessors, (2084), 2084 states have call successors, (2084) [2022-07-20 02:35:30,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9659 states to 9659 states and 13273 transitions. [2022-07-20 02:35:30,105 INFO L78 Accepts]: Start accepts. Automaton has 9659 states and 13273 transitions. Word has length 402 [2022-07-20 02:35:30,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:35:30,109 INFO L495 AbstractCegarLoop]: Abstraction has 9659 states and 13273 transitions. [2022-07-20 02:35:30,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2022-07-20 02:35:30,109 INFO L276 IsEmpty]: Start isEmpty. Operand 9659 states and 13273 transitions. [2022-07-20 02:35:30,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2022-07-20 02:35:30,126 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:35:30,126 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 29, 29, 29, 29, 29, 29, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:35:30,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 02:35:30,127 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 02:35:30,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:35:30,127 INFO L85 PathProgramCache]: Analyzing trace with hash 1497943882, now seen corresponding path program 1 times [2022-07-20 02:35:30,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:35:30,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547262860] [2022-07-20 02:35:30,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:35:30,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:35:30,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:30,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:35:30,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:30,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:30,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:30,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:35:30,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:30,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:30,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:35:30,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:30,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:30,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:30,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:35:30,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:30,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:30,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:30,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:35:30,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:30,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:30,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:30,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:35:30,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:30,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:30,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:30,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:35:31,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:31,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:35:31,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:31,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:35:31,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:31,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:35:31,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:31,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 02:35:31,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:31,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 02:35:31,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:31,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 02:35:31,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:31,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 02:35:31,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:31,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 02:35:31,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:31,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 02:35:31,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:31,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 02:35:31,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:31,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 02:35:31,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:31,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 02:35:31,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:31,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 02:35:31,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:31,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 02:35:31,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:31,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-20 02:35:31,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:31,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 02:35:31,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:31,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 02:35:31,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:31,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-20 02:35:31,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:31,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-20 02:35:31,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:31,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-20 02:35:31,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:31,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-20 02:35:31,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:31,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-20 02:35:31,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:31,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-20 02:35:31,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-20 02:35:31,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-07-20 02:35:31,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-20 02:35:31,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-20 02:35:31,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-20 02:35:31,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:31,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-07-20 02:35:31,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-20 02:35:31,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2022-07-20 02:35:31,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:31,485 INFO L134 CoverageAnalysis]: Checked inductivity of 4063 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4060 trivial. 0 not checked. [2022-07-20 02:35:31,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:35:31,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547262860] [2022-07-20 02:35:31,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547262860] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:35:31,486 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:35:31,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 02:35:31,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118500973] [2022-07-20 02:35:31,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:35:31,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 02:35:31,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:35:31,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 02:35:31,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 02:35:31,488 INFO L87 Difference]: Start difference. First operand 9659 states and 13273 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2022-07-20 02:35:33,573 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:35:35,920 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-20 02:35:58,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:35:58,120 INFO L93 Difference]: Finished difference Result 20425 states and 28384 transitions. [2022-07-20 02:35:58,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 02:35:58,120 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 427 [2022-07-20 02:35:58,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:35:58,173 INFO L225 Difference]: With dead ends: 20425 [2022-07-20 02:35:58,173 INFO L226 Difference]: Without dead ends: 13716 [2022-07-20 02:35:58,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-20 02:35:58,203 INFO L413 NwaCegarLoop]: 8857 mSDtfsCounter, 5031 mSDsluCounter, 7599 mSDsCounter, 0 mSdLazyCounter, 3659 mSolverCounterSat, 1687 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5652 SdHoareTripleChecker+Valid, 16456 SdHoareTripleChecker+Invalid, 5348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1687 IncrementalHoareTripleChecker+Valid, 3659 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.9s IncrementalHoareTripleChecker+Time [2022-07-20 02:35:58,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5652 Valid, 16456 Invalid, 5348 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1687 Valid, 3659 Invalid, 2 Unknown, 0 Unchecked, 25.9s Time] [2022-07-20 02:35:58,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13716 states. [2022-07-20 02:35:58,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13716 to 12597. [2022-07-20 02:35:58,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12597 states, 9257 states have (on average 1.2864859025602247) internal successors, (11909), 9384 states have internal predecessors, (11909), 2698 states have call successors, (2698), 641 states have call predecessors, (2698), 641 states have return successors, (2698), 2686 states have call predecessors, (2698), 2698 states have call successors, (2698) [2022-07-20 02:35:58,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12597 states to 12597 states and 17305 transitions. [2022-07-20 02:35:58,754 INFO L78 Accepts]: Start accepts. Automaton has 12597 states and 17305 transitions. Word has length 427 [2022-07-20 02:35:58,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:35:58,755 INFO L495 AbstractCegarLoop]: Abstraction has 12597 states and 17305 transitions. [2022-07-20 02:35:58,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2022-07-20 02:35:58,756 INFO L276 IsEmpty]: Start isEmpty. Operand 12597 states and 17305 transitions. [2022-07-20 02:35:58,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 503 [2022-07-20 02:35:58,782 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:35:58,782 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 29, 29, 29, 29, 29, 29, 9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:35:58,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-20 02:35:58,782 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-20 02:35:58,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:35:58,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1986385210, now seen corresponding path program 1 times [2022-07-20 02:35:58,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 02:35:58,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896028319] [2022-07-20 02:35:58,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:35:58,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 02:35:59,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 02:35:59,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:59,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-20 02:35:59,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:59,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-20 02:35:59,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:59,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 02:35:59,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:59,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2022-07-20 02:35:59,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:59,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2022-07-20 02:35:59,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:59,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-07-20 02:35:59,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:59,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2022-07-20 02:35:59,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:59,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-07-20 02:35:59,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:59,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 02:35:59,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:59,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-07-20 02:35:59,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:59,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-07-20 02:35:59,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:59,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 02:35:59,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:59,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 02:35:59,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:59,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 02:35:59,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:59,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-07-20 02:35:59,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:59,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 02:35:59,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:59,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2022-07-20 02:35:59,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:59,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 02:35:59,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:59,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-07-20 02:35:59,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:59,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-07-20 02:35:59,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:59,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-07-20 02:35:59,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:59,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 02:35:59,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:59,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 02:35:59,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:59,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2022-07-20 02:35:59,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:59,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2022-07-20 02:35:59,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:59,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-20 02:35:59,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:59,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2022-07-20 02:35:59,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:59,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-20 02:35:59,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:59,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2022-07-20 02:35:59,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2022-07-20 02:35:59,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2022-07-20 02:35:59,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-20 02:35:59,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2022-07-20 02:35:59,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-07-20 02:35:59,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:59,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-07-20 02:35:59,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-20 02:35:59,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-07-20 02:35:59,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:59,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:35:59,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:35:59,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2022-07-20 02:35:59,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 02:35:59,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 02:35:59,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 02:35:59,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2022-07-20 02:35:59,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2022-07-20 02:35:59,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2022-07-20 02:35:59,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:59,729 INFO L134 CoverageAnalysis]: Checked inductivity of 4404 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 4379 trivial. 0 not checked. [2022-07-20 02:35:59,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 02:35:59,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896028319] [2022-07-20 02:35:59,730 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896028319] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:35:59,730 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:35:59,730 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 02:35:59,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798288794] [2022-07-20 02:35:59,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:35:59,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 02:35:59,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 02:35:59,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 02:35:59,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 02:35:59,734 INFO L87 Difference]: Start difference. First operand 12597 states and 17305 transitions. Second operand has 4 states, 4 states have (on average 33.75) internal successors, (135), 3 states have internal predecessors, (135), 3 states have call successors, (46), 2 states have call predecessors, (46), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-07-20 02:36:01,805 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []