./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.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 5b31204b1d3e0e886bec362e36aa7180804ba0e69acfc232c20abd4ca078cb80 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 15:47:07,954 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 15:47:07,955 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 15:47:07,980 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 15:47:07,994 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 15:47:07,995 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 15:47:07,995 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 15:47:07,997 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 15:47:07,998 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 15:47:07,998 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 15:47:07,999 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 15:47:08,000 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 15:47:08,000 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 15:47:08,001 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 15:47:08,001 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 15:47:08,002 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 15:47:08,003 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 15:47:08,003 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 15:47:08,019 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 15:47:08,020 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 15:47:08,021 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 15:47:08,022 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 15:47:08,022 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 15:47:08,023 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 15:47:08,025 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 15:47:08,025 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 15:47:08,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 15:47:08,025 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 15:47:08,026 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 15:47:08,026 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 15:47:08,027 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 15:47:08,027 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 15:47:08,027 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 15:47:08,028 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 15:47:08,029 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 15:47:08,029 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 15:47:08,029 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 15:47:08,030 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 15:47:08,030 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 15:47:08,030 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 15:47:08,031 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 15:47:08,037 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 15:47:08,061 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 15:47:08,063 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 15:47:08,064 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 15:47:08,064 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 15:47:08,065 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 15:47:08,065 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 15:47:08,065 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 15:47:08,066 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 15:47:08,066 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 15:47:08,066 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 15:47:08,066 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 15:47:08,067 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 15:47:08,067 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 15:47:08,067 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 15:47:08,067 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 15:47:08,067 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 15:47:08,067 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 15:47:08,068 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 15:47:08,068 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 15:47:08,068 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 15:47:08,068 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 15:47:08,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:47:08,068 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 15:47:08,069 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 15:47:08,069 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 15:47:08,069 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 15:47:08,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 15:47:08,070 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 15:47:08,070 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 15:47:08,071 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 15:47:08,071 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 15:47:08,071 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b31204b1d3e0e886bec362e36aa7180804ba0e69acfc232c20abd4ca078cb80 [2021-12-22 15:47:08,274 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 15:47:08,296 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 15:47:08,299 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 15:47:08,300 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 15:47:08,301 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 15:47:08,302 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2021-12-22 15:47:08,358 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c3ba41b2/c907138a7e95474ab079256821177173/FLAGb4f62ac38 [2021-12-22 15:47:09,119 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 15:47:09,120 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2021-12-22 15:47:09,186 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c3ba41b2/c907138a7e95474ab079256821177173/FLAGb4f62ac38 [2021-12-22 15:47:09,329 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c3ba41b2/c907138a7e95474ab079256821177173 [2021-12-22 15:47:09,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 15:47:09,333 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 15:47:09,338 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 15:47:09,338 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 15:47:09,341 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 15:47:09,342 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:47:09" (1/1) ... [2021-12-22 15:47:09,343 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52c4815c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:47:09, skipping insertion in model container [2021-12-22 15:47:09,343 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 03:47:09" (1/1) ... [2021-12-22 15:47:09,349 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 15:47:09,499 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 15:47:13,383 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[524215,524228] [2021-12-22 15:47:13,385 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[524360,524373] [2021-12-22 15:47:13,413 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:47:13,484 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 15:47:13,840 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[524215,524228] [2021-12-22 15:47:13,841 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-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[524360,524373] [2021-12-22 15:47:13,846 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 15:47:14,202 INFO L208 MainTranslator]: Completed translation [2021-12-22 15:47:14,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:47:14 WrapperNode [2021-12-22 15:47:14,203 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 15:47:14,205 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 15:47:14,205 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 15:47:14,205 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 15:47:14,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:47:14" (1/1) ... [2021-12-22 15:47:14,440 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:47:14" (1/1) ... [2021-12-22 15:47:14,739 INFO L137 Inliner]: procedures = 586, calls = 6377, calls flagged for inlining = 287, calls inlined = 259, statements flattened = 12111 [2021-12-22 15:47:14,740 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 15:47:14,741 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 15:47:14,741 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 15:47:14,741 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 15:47:14,748 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:47:14" (1/1) ... [2021-12-22 15:47:14,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:47:14" (1/1) ... [2021-12-22 15:47:14,826 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:47:14" (1/1) ... [2021-12-22 15:47:14,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:47:14" (1/1) ... [2021-12-22 15:47:15,059 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:47:14" (1/1) ... [2021-12-22 15:47:15,083 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:47:14" (1/1) ... [2021-12-22 15:47:15,115 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:47:14" (1/1) ... [2021-12-22 15:47:15,161 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 15:47:15,162 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 15:47:15,163 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 15:47:15,163 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 15:47:15,164 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:47:14" (1/1) ... [2021-12-22 15:47:15,170 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 15:47:15,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 15:47:15,191 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) [2021-12-22 15:47:15,323 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 [2021-12-22 15:47:15,375 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-22 15:47:15,376 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-22 15:47:15,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-22 15:47:15,377 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-22 15:47:15,377 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-22 15:47:15,377 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-22 15:47:15,377 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_vfta [2021-12-22 15:47:15,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_vfta [2021-12-22 15:47:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 15:47:15,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 15:47:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_standby_eeprom [2021-12-22 15:47:15,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_standby_eeprom [2021-12-22 15:47:15,378 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-22 15:47:15,378 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-22 15:47:15,379 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-22 15:47:15,379 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-22 15:47:15,379 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-22 15:47:15,379 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-22 15:47:15,379 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-22 15:47:15,379 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-22 15:47:15,379 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_alloc_rx_buffers [2021-12-22 15:47:15,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_alloc_rx_buffers [2021-12-22 15:47:15,380 INFO L130 BoogieDeclarations]: Found specification of procedure mac_addr_valid [2021-12-22 15:47:15,380 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_addr_valid [2021-12-22 15:47:15,380 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_add_vid [2021-12-22 15:47:15,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_add_vid [2021-12-22 15:47:15,380 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_tx_resources [2021-12-22 15:47:15,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_tx_resources [2021-12-22 15:47:15,380 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-22 15:47:15,381 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-22 15:47:15,381 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_multi [2021-12-22 15:47:15,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_multi [2021-12-22 15:47:15,381 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_rar_set [2021-12-22 15:47:15,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_rar_set [2021-12-22 15:47:15,381 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-22 15:47:15,381 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-22 15:47:15,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-22 15:47:15,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-22 15:47:15,386 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-22 15:47:15,386 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-22 15:47:15,386 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-22 15:47:15,386 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-22 15:47:15,386 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_resume [2021-12-22 15:47:15,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_resume [2021-12-22 15:47:15,387 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-22 15:47:15,387 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-22 15:47:15,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-22 15:47:15,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-22 15:47:15,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 15:47:15,388 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-22 15:47:15,395 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-22 15:47:15,395 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_eeprom_checksum [2021-12-22 15:47:15,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_eeprom_checksum [2021-12-22 15:47:15,395 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-22 15:47:15,396 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-22 15:47:15,396 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_netpoll [2021-12-22 15:47:15,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_netpoll [2021-12-22 15:47:15,396 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-22 15:47:15,396 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-22 15:47:15,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 15:47:15,397 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_raise_clock [2021-12-22 15:47:15,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_raise_clock [2021-12-22 15:47:15,397 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_eeprom [2021-12-22 15:47:15,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_eeprom [2021-12-22 15:47:15,397 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-22 15:47:15,397 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-22 15:47:15,397 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_identify_xpak_vendor [2021-12-22 15:47:15,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_identify_xpak_vendor [2021-12-22 15:47:15,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 15:47:15,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-22 15:47:15,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-22 15:47:15,398 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_mac_reset [2021-12-22 15:47:15,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_mac_reset [2021-12-22 15:47:15,398 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_eeprom [2021-12-22 15:47:15,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_eeprom [2021-12-22 15:47:15,398 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 15:47:15,398 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_rx_resources [2021-12-22 15:47:15,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_rx_resources [2021-12-22 15:47:15,399 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-22 15:47:15,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-22 15:47:15,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-22 15:47:15,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-22 15:47:15,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 15:47:15,399 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 15:47:15,399 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-22 15:47:15,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-22 15:47:15,400 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-22 15:47:15,400 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-22 15:47:15,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-22 15:47:15,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-22 15:47:15,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-22 15:47:15,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-22 15:47:15,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-22 15:47:15,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-22 15:47:15,416 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_regs_len [2021-12-22 15:47:15,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_regs_len [2021-12-22 15:47:15,416 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-12-22 15:47:15,416 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-12-22 15:47:15,416 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-22 15:47:15,416 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-22 15:47:15,416 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_phy_reg [2021-12-22 15:47:15,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_phy_reg [2021-12-22 15:47:15,416 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_for_link [2021-12-22 15:47:15,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_for_link [2021-12-22 15:47:15,417 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_option [2021-12-22 15:47:15,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_option [2021-12-22 15:47:15,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 15:47:15,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-22 15:47:15,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-22 15:47:15,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-12-22 15:47:15,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-12-22 15:47:15,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-12-22 15:47:15,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-12-22 15:47:15,418 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-12-22 15:47:15,418 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-12-22 15:47:15,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 15:47:15,418 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-22 15:47:15,418 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-22 15:47:15,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-22 15:47:15,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-22 15:47:15,418 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-22 15:47:15,419 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-22 15:47:15,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 15:47:15,419 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:47:15,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-22 15:47:15,419 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_lower_clock [2021-12-22 15:47:15,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_lower_clock [2021-12-22 15:47:15,419 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_reset [2021-12-22 15:47:15,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_reset [2021-12-22 15:47:15,420 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:47:15,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-22 15:47:15,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-22 15:47:15,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-22 15:47:15,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-22 15:47:15,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-22 15:47:15,420 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_remove [2021-12-22 15:47:15,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_remove [2021-12-22 15:47:15,420 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-22 15:47:15,420 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-22 15:47:15,421 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_len [2021-12-22 15:47:15,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_len [2021-12-22 15:47:15,421 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_up [2021-12-22 15:47:15,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_up [2021-12-22 15:47:15,421 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_irq_enable [2021-12-22 15:47:15,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_irq_enable [2021-12-22 15:47:15,421 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-22 15:47:15,421 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-22 15:47:15,421 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-22 15:47:15,422 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-22 15:47:15,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-22 15:47:15,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-22 15:47:15,422 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_tx_resources [2021-12-22 15:47:15,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_tx_resources [2021-12-22 15:47:15,422 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_maybe_stop_tx [2021-12-22 15:47:15,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_maybe_stop_tx [2021-12-22 15:47:15,422 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_intr [2021-12-22 15:47:15,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_intr [2021-12-22 15:47:15,423 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-22 15:47:15,423 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-22 15:47:15,423 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-22 15:47:15,423 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-22 15:47:15,423 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_open [2021-12-22 15:47:15,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_open [2021-12-22 15:47:15,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 15:47:15,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 15:47:15,423 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-22 15:47:15,423 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-22 15:47:15,424 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-22 15:47:15,424 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-22 15:47:15,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 15:47:15,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 15:47:15,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 15:47:15,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 15:47:15,424 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-22 15:47:15,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-22 15:47:15,424 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-22 15:47:15,425 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-22 15:47:15,425 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-22 15:47:15,425 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-22 15:47:15,425 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_update_stats [2021-12-22 15:47:15,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_update_stats [2021-12-22 15:47:15,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-22 15:47:15,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-22 15:47:15,425 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_and_get_eeprom_data [2021-12-22 15:47:15,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_and_get_eeprom_data [2021-12-22 15:47:15,426 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-22 15:47:15,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-22 15:47:15,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 15:47:15,426 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 15:47:15,426 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-22 15:47:15,426 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-22 15:47:15,426 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2021-12-22 15:47:15,426 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2021-12-22 15:47:15,426 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_close [2021-12-22 15:47:15,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_close [2021-12-22 15:47:15,427 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-22 15:47:15,427 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-22 15:47:15,427 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-12-22 15:47:15,427 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-12-22 15:47:15,427 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-22 15:47:15,427 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-22 15:47:15,427 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-12-22 15:47:15,427 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-12-22 15:47:15,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 15:47:15,428 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-22 15:47:15,428 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-22 15:47:15,428 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-22 15:47:15,428 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-22 15:47:15,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 15:47:15,428 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2021-12-22 15:47:15,428 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2021-12-22 15:47:15,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 15:47:15,428 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-22 15:47:15,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-22 15:47:15,429 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-22 15:47:15,429 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-22 15:47:15,429 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-22 15:47:15,429 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-22 15:47:15,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-22 15:47:15,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-22 15:47:15,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-22 15:47:15,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-22 15:47:15,429 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_link_reset [2021-12-22 15:47:15,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_link_reset [2021-12-22 15:47:15,430 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_speed_duplex [2021-12-22 15:47:15,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_speed_duplex [2021-12-22 15:47:15,430 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-22 15:47:15,430 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-22 15:47:15,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2021-12-22 15:47:15,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2021-12-22 15:47:15,430 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-22 15:47:15,430 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-22 15:47:15,430 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-22 15:47:15,431 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-22 15:47:15,431 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-12-22 15:47:15,431 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-12-22 15:47:15,431 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-22 15:47:15,431 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-22 15:47:15,431 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_unmap_and_free_tx_resource [2021-12-22 15:47:15,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_unmap_and_free_tx_resource [2021-12-22 15:47:15,431 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-22 15:47:15,432 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-22 15:47:15,432 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 15:47:15,432 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 15:47:15,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 15:47:15,432 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_eeprom [2021-12-22 15:47:15,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_eeprom [2021-12-22 15:47:15,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 15:47:15,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 15:47:15,433 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_phy_reg [2021-12-22 15:47:15,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_phy_reg [2021-12-22 15:47:15,433 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-22 15:47:15,433 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-22 15:47:15,433 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_ee_mac_addr [2021-12-22 15:47:15,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_ee_mac_addr [2021-12-22 15:47:15,433 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-22 15:47:15,434 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-22 15:47:15,434 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-12-22 15:47:15,434 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-12-22 15:47:15,434 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_tx_ring [2021-12-22 15:47:15,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_tx_ring [2021-12-22 15:47:15,434 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2021-12-22 15:47:15,434 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2021-12-22 15:47:15,434 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-22 15:47:15,435 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-22 15:47:15,435 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_rx_ring [2021-12-22 15:47:15,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_rx_ring [2021-12-22 15:47:15,435 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_shift_out_bits [2021-12-22 15:47:15,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_shift_out_bits [2021-12-22 15:47:15,435 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_down [2021-12-22 15:47:15,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_down [2021-12-22 15:47:15,446 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_tx_timeout [2021-12-22 15:47:15,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_tx_timeout [2021-12-22 15:47:15,446 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_rx_resources [2021-12-22 15:47:15,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_rx_resources [2021-12-22 15:47:15,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-22 15:47:15,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-22 15:47:15,447 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-22 15:47:15,447 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-22 15:47:15,447 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-22 15:47:15,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-22 15:47:15,447 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-22 15:47:15,448 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-22 15:47:15,448 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-22 15:47:15,448 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-22 15:47:15,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 15:47:15,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-22 15:47:15,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-22 15:47:15,448 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-12-22 15:47:15,448 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_data [2021-12-22 15:47:15,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_data [2021-12-22 15:47:16,525 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 15:47:16,528 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 15:47:16,767 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 15:47:42,374 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-22 15:47:42,798 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 15:47:42,837 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 15:47:42,837 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-22 15:47:42,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:47:42 BoogieIcfgContainer [2021-12-22 15:47:42,842 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 15:47:42,844 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 15:47:42,844 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 15:47:42,846 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 15:47:42,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 03:47:09" (1/3) ... [2021-12-22 15:47:42,847 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36c64a97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:47:42, skipping insertion in model container [2021-12-22 15:47:42,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 03:47:14" (2/3) ... [2021-12-22 15:47:42,848 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36c64a97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 03:47:42, skipping insertion in model container [2021-12-22 15:47:42,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 03:47:42" (3/3) ... [2021-12-22 15:47:42,849 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2021-12-22 15:47:42,855 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 15:47:42,856 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-12-22 15:47:42,906 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 15:47:42,918 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-12-22 15:47:42,918 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-22 15:47:42,979 INFO L276 IsEmpty]: Start isEmpty. Operand has 3350 states, 2265 states have (on average 1.2657836644591611) internal successors, (2867), 2300 states have internal predecessors, (2867), 947 states have call successors, (947), 137 states have call predecessors, (947), 136 states have return successors, (942), 932 states have call predecessors, (942), 942 states have call successors, (942) [2021-12-22 15:47:43,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-12-22 15:47:43,002 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:47:43,003 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 15:47:43,003 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:47:43,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:47:43,007 INFO L85 PathProgramCache]: Analyzing trace with hash 1723236249, now seen corresponding path program 1 times [2021-12-22 15:47:43,013 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:47:43,015 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964059679] [2021-12-22 15:47:43,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:47:43,016 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:47:43,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:43,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:47:43,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:43,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:43,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:43,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:47:43,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:43,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:43,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:43,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:47:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:44,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:44,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:44,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:47:44,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:44,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:44,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:44,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:47:44,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:44,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:44,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:44,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:47:44,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:44,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:44,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:44,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:47:44,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:44,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:44,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:44,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:47:44,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:44,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:44,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:44,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:47:44,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:44,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:44,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:44,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:47:44,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:44,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:44,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:44,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:47:44,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:44,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:44,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:44,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:47:44,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:44,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:44,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:44,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:47:44,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:44,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:44,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:44,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:47:44,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:44,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:44,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:44,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:47:44,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:44,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:44,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:44,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:47:44,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:44,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:47:44,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:44,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-22 15:47:44,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:44,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2021-12-22 15:47:44,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:44,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-12-22 15:47:44,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:47:44,356 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2021-12-22 15:47:44,356 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:47:44,357 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964059679] [2021-12-22 15:47:44,357 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964059679] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:47:44,358 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:47:44,358 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:47:44,362 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000855506] [2021-12-22 15:47:44,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:47:44,367 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:47:44,368 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:47:44,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:47:44,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:47:44,404 INFO L87 Difference]: Start difference. First operand has 3350 states, 2265 states have (on average 1.2657836644591611) internal successors, (2867), 2300 states have internal predecessors, (2867), 947 states have call successors, (947), 137 states have call predecessors, (947), 136 states have return successors, (942), 932 states have call predecessors, (942), 942 states have call successors, (942) Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-22 15:48:03,091 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 15:48:04,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 15:48:04,656 INFO L93 Difference]: Finished difference Result 9681 states and 13957 transitions. [2021-12-22 15:48:04,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 15:48:04,659 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 222 [2021-12-22 15:48:04,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 15:48:04,734 INFO L225 Difference]: With dead ends: 9681 [2021-12-22 15:48:04,735 INFO L226 Difference]: Without dead ends: 6276 [2021-12-22 15:48:04,766 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 15:48:04,769 INFO L933 BasicCegarLoop]: 5183 mSDtfsCounter, 4827 mSDsluCounter, 5630 mSDsCounter, 0 mSdLazyCounter, 2985 mSolverCounterSat, 2580 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5595 SdHoareTripleChecker+Valid, 10813 SdHoareTripleChecker+Invalid, 5566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2580 IncrementalHoareTripleChecker+Valid, 2985 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.3s IncrementalHoareTripleChecker+Time [2021-12-22 15:48:04,770 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5595 Valid, 10813 Invalid, 5566 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2580 Valid, 2985 Invalid, 1 Unknown, 0 Unchecked, 19.3s Time] [2021-12-22 15:48:04,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6276 states. [2021-12-22 15:48:05,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6276 to 6019. [2021-12-22 15:48:05,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6019 states, 4083 states have (on average 1.2500612294881215) internal successors, (5104), 4140 states have internal predecessors, (5104), 1687 states have call successors, (1687), 247 states have call predecessors, (1687), 247 states have return successors, (1687), 1671 states have call predecessors, (1687), 1687 states have call successors, (1687) [2021-12-22 15:48:05,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6019 states to 6019 states and 8478 transitions. [2021-12-22 15:48:05,387 INFO L78 Accepts]: Start accepts. Automaton has 6019 states and 8478 transitions. Word has length 222 [2021-12-22 15:48:05,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 15:48:05,391 INFO L470 AbstractCegarLoop]: Abstraction has 6019 states and 8478 transitions. [2021-12-22 15:48:05,392 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-12-22 15:48:05,392 INFO L276 IsEmpty]: Start isEmpty. Operand 6019 states and 8478 transitions. [2021-12-22 15:48:05,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-12-22 15:48:05,399 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 15:48:05,399 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 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] [2021-12-22 15:48:05,400 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 15:48:05,400 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 15:48:05,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 15:48:05,401 INFO L85 PathProgramCache]: Analyzing trace with hash -633129653, now seen corresponding path program 1 times [2021-12-22 15:48:05,401 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 15:48:05,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346807581] [2021-12-22 15:48:05,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 15:48:05,401 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 15:48:05,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:05,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-22 15:48:05,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:05,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:05,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:05,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 15:48:05,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:05,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:05,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:05,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 15:48:05,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:05,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:05,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:05,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-22 15:48:05,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:05,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:05,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:05,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-12-22 15:48:05,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:05,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:05,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:05,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 15:48:05,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:05,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:05,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:05,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 15:48:05,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:05,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:05,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:05,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 15:48:05,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:05,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:05,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:06,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-22 15:48:06,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:06,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:06,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:06,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-22 15:48:06,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:06,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:06,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:06,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-12-22 15:48:06,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:06,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:06,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:06,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-22 15:48:06,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:06,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:06,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:06,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 15:48:06,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:06,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:06,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:06,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-22 15:48:06,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:06,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:06,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:06,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-22 15:48:06,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:06,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:06,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:06,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-22 15:48:06,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:06,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:06,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:06,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-12-22 15:48:06,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:06,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-22 15:48:06,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:06,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 15:48:06,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:06,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 15:48:06,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:06,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-22 15:48:06,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:06,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-22 15:48:06,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:06,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2021-12-22 15:48:06,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:06,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-22 15:48:06,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 15:48:06,191 INFO L134 CoverageAnalysis]: Checked inductivity of 1132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1132 trivial. 0 not checked. [2021-12-22 15:48:06,192 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 15:48:06,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346807581] [2021-12-22 15:48:06,192 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346807581] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 15:48:06,192 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 15:48:06,192 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 15:48:06,192 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148030236] [2021-12-22 15:48:06,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 15:48:06,194 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 15:48:06,194 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 15:48:06,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 15:48:06,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 15:48:06,194 INFO L87 Difference]: Start difference. First operand 6019 states and 8478 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25)