./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-stmicro-stmmac-stmmac.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 48ae22c8c2494b96697ffe1db529f00fa4b52cdca22138b3bf77c84445f7f2f5 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 14:17:14,846 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 14:17:14,848 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 14:17:14,889 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 14:17:14,890 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 14:17:14,891 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 14:17:14,895 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 14:17:14,898 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 14:17:14,900 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 14:17:14,904 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 14:17:14,905 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 14:17:14,909 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 14:17:14,910 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 14:17:14,911 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 14:17:14,912 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 14:17:14,915 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 14:17:14,916 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 14:17:14,917 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 14:17:14,918 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 14:17:14,924 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 14:17:14,925 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 14:17:14,926 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 14:17:14,928 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 14:17:14,928 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 14:17:14,930 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 14:17:14,936 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 14:17:14,937 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 14:17:14,937 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 14:17:14,938 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 14:17:14,938 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 14:17:14,939 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 14:17:14,939 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 14:17:14,941 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 14:17:14,941 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 14:17:14,943 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 14:17:14,943 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 14:17:14,944 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 14:17:14,944 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 14:17:14,944 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 14:17:14,944 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 14:17:14,945 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 14:17:14,946 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 14:17:14,951 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 14:17:14,983 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 14:17:14,983 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 14:17:14,984 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 14:17:14,984 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 14:17:14,985 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 14:17:14,985 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 14:17:14,985 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 14:17:14,986 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 14:17:14,986 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 14:17:14,986 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 14:17:14,987 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 14:17:14,987 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 14:17:14,987 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 14:17:14,987 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 14:17:14,993 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 14:17:14,993 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 14:17:14,993 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 14:17:14,993 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 14:17:14,994 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 14:17:14,994 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 14:17:14,994 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 14:17:14,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:17:14,994 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 14:17:14,995 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 14:17:14,995 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 14:17:14,995 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 14:17:14,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 14:17:14,995 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 14:17:14,996 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 14:17:14,996 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 14:17:14,996 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48ae22c8c2494b96697ffe1db529f00fa4b52cdca22138b3bf77c84445f7f2f5 [2022-07-21 14:17:15,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 14:17:15,333 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 14:17:15,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 14:17:15,338 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 14:17:15,338 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 14:17:15,339 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i [2022-07-21 14:17:15,400 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d22712b8/8a57b531d4764c5c97817907864ae1e1/FLAG1081f562d [2022-07-21 14:17:16,405 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 14:17:16,406 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-drivers-clk1_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i [2022-07-21 14:17:16,500 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d22712b8/8a57b531d4764c5c97817907864ae1e1/FLAG1081f562d [2022-07-21 14:17:16,777 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d22712b8/8a57b531d4764c5c97817907864ae1e1 [2022-07-21 14:17:16,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 14:17:16,782 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 14:17:16,786 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 14:17:16,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 14:17:16,789 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 14:17:16,790 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:17:16" (1/1) ... [2022-07-21 14:17:16,791 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5da6ce90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:17:16, skipping insertion in model container [2022-07-21 14:17:16,792 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:17:16" (1/1) ... [2022-07-21 14:17:16,798 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 14:17:17,150 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 14:17:26,237 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_linux-drivers-clk1_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[788938,788951] [2022-07-21 14:17:26,283 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:17:26,405 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 14:17:27,476 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_linux-drivers-clk1_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[788938,788951] [2022-07-21 14:17:27,488 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:17:28,023 INFO L208 MainTranslator]: Completed translation [2022-07-21 14:17:28,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:17:28 WrapperNode [2022-07-21 14:17:28,024 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 14:17:28,026 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 14:17:28,026 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 14:17:28,026 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 14:17:28,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:17:28" (1/1) ... [2022-07-21 14:17:28,305 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:17:28" (1/1) ... [2022-07-21 14:17:28,962 INFO L137 Inliner]: procedures = 926, calls = 12277, calls flagged for inlining = 543, calls inlined = 454, statements flattened = 18346 [2022-07-21 14:17:28,963 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 14:17:28,965 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 14:17:28,965 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 14:17:28,979 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 14:17:28,987 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:17:28" (1/1) ... [2022-07-21 14:17:28,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:17:28" (1/1) ... [2022-07-21 14:17:29,236 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:17:28" (1/1) ... [2022-07-21 14:17:29,237 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:17:28" (1/1) ... [2022-07-21 14:17:29,750 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:17:28" (1/1) ... [2022-07-21 14:17:29,800 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:17:28" (1/1) ... [2022-07-21 14:17:29,904 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:17:28" (1/1) ... [2022-07-21 14:17:30,008 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 14:17:30,011 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 14:17:30,011 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 14:17:30,011 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 14:17:30,012 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:17:28" (1/1) ... [2022-07-21 14:17:30,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:17:30,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 14:17:30,043 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 14:17:30,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 14:17:30,083 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_coalesce [2022-07-21 14:17:30,084 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_coalesce [2022-07-21 14:17:30,084 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-07-21 14:17:30,084 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-07-21 14:17:30,084 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_owner [2022-07-21 14:17:30,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_owner [2022-07-21 14:17:30,084 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-21 14:17:30,085 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-21 14:17:30,085 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_rx_watchdog [2022-07-21 14:17:30,085 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_rx_watchdog [2022-07-21 14:17:30,085 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_filter [2022-07-21 14:17:30,085 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_filter [2022-07-21 14:17:30,085 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-21 14:17:30,086 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-21 14:17:30,086 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-21 14:17:30,086 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-21 14:17:30,086 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-07-21 14:17:30,086 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-07-21 14:17:30,086 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-07-21 14:17:30,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-07-21 14:17:30,087 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~VOID [2022-07-21 14:17:30,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~VOID [2022-07-21 14:17:30,087 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clean_desc3___0 [2022-07-21 14:17:30,087 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clean_desc3___0 [2022-07-21 14:17:30,087 INFO L130 BoogieDeclarations]: Found specification of procedure ehn_desc_tx_set_on_chain [2022-07-21 14:17:30,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ehn_desc_tx_set_on_chain [2022-07-21 14:17:30,088 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-21 14:17:30,088 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-21 14:17:30,088 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-21 14:17:30,088 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-21 14:17:30,088 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_probe [2022-07-21 14:17:30,088 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_probe [2022-07-21 14:17:30,089 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_poll_controller [2022-07-21 14:17:30,089 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_poll_controller [2022-07-21 14:17:30,089 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-21 14:17:30,089 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-21 14:17:30,089 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_suspend [2022-07-21 14:17:30,089 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_suspend [2022-07-21 14:17:30,090 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-21 14:17:30,090 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-21 14:17:30,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_register_19_2 [2022-07-21 14:17:30,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_register_19_2 [2022-07-21 14:17:30,090 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_operation_mode [2022-07-21 14:17:30,090 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_operation_mode [2022-07-21 14:17:30,091 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_ctrl_ane [2022-07-21 14:17:30,091 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_ctrl_ane [2022-07-21 14:17:30,091 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-21 14:17:30,091 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-21 14:17:30,091 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~int [2022-07-21 14:17:30,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~int [2022-07-21 14:17:30,091 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_16kib_bfsize [2022-07-21 14:17:30,092 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_16kib_bfsize [2022-07-21 14:17:30,092 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_timer [2022-07-21 14:17:30,092 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_timer [2022-07-21 14:17:30,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-21 14:17:30,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-21 14:17:30,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 14:17:30,093 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~VOID [2022-07-21 14:17:30,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~VOID [2022-07-21 14:17:30,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-07-21 14:17:30,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_clk1__more_at_exit [2022-07-21 14:17:30,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-21 14:17:30,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-21 14:17:30,094 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_release_tx_desc [2022-07-21 14:17:30,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_release_tx_desc [2022-07-21 14:17:30,094 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_dump_regs [2022-07-21 14:17:30,094 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_dump_regs [2022-07-21 14:17:30,094 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-21 14:17:30,094 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-21 14:17:30,095 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dump_mac_regs [2022-07-21 14:17:30,095 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dump_mac_regs [2022-07-21 14:17:30,095 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_ls [2022-07-21 14:17:30,095 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_ls [2022-07-21 14:17:30,095 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_close_tx_desc [2022-07-21 14:17:30,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_close_tx_desc [2022-07-21 14:17:30,095 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-07-21 14:17:30,096 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-07-21 14:17:30,096 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_core_init [2022-07-21 14:17:30,096 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_core_init [2022-07-21 14:17:30,096 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2022-07-21 14:17:30,096 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2022-07-21 14:17:30,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 14:17:30,097 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_tx_skbufs [2022-07-21 14:17:30,097 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_tx_skbufs [2022-07-21 14:17:30,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 14:17:30,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-21 14:17:30,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-21 14:17:30,097 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 14:17:30,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 14:17:30,098 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_rx_ipc_enable [2022-07-21 14:17:30,098 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_rx_ipc_enable [2022-07-21 14:17:30,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 14:17:30,098 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_status [2022-07-21 14:17:30,098 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_status [2022-07-21 14:17:30,098 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-07-21 14:17:30,099 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-07-21 14:17:30,099 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-07-21 14:17:30,099 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-07-21 14:17:30,099 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_adv [2022-07-21 14:17:30,099 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_adv [2022-07-21 14:17:30,099 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-21 14:17:30,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-07-21 14:17:30,100 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_fix_mac_speed [2022-07-21 14:17:30,100 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_fix_mac_speed [2022-07-21 14:17:30,100 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-07-21 14:17:30,100 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-07-21 14:17:30,100 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 14:17:30,100 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 14:17:30,101 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_addend [2022-07-21 14:17:30,101 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_addend [2022-07-21 14:17:30,101 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_enable_dma_transmission [2022-07-21 14:17:30,101 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_enable_dma_transmission [2022-07-21 14:17:30,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-21 14:17:30,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-21 14:17:30,102 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2022-07-21 14:17:30,102 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2022-07-21 14:17:30,102 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_suspend [2022-07-21 14:17:30,102 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_suspend [2022-07-21 14:17:30,102 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_pauseparam [2022-07-21 14:17:30,102 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_pauseparam [2022-07-21 14:17:30,102 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_free_rx_buffers [2022-07-21 14:17:30,103 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_free_rx_buffers [2022-07-21 14:17:30,103 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-21 14:17:30,103 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-21 14:17:30,103 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_dma_chain [2022-07-21 14:17:30,103 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_dma_chain [2022-07-21 14:17:30,103 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_frame_len [2022-07-21 14:17:30,104 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_frame_len [2022-07-21 14:17:30,104 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_init_rx_desc [2022-07-21 14:17:30,104 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_init_rx_desc [2022-07-21 14:17:30,104 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_interrupt [2022-07-21 14:17:30,104 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_interrupt [2022-07-21 14:17:30,104 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_init_rx_desc [2022-07-21 14:17:30,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_init_rx_desc [2022-07-21 14:17:30,105 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_mac_addr [2022-07-21 14:17:30,105 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_mac_addr [2022-07-21 14:17:30,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 14:17:30,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 14:17:30,105 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_status [2022-07-21 14:17:30,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_status [2022-07-21 14:17:30,106 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-21 14:17:30,106 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-21 14:17:30,106 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_reset_eee_mode [2022-07-21 14:17:30,106 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_reset_eee_mode [2022-07-21 14:17:30,106 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_enable_tx_timestamp [2022-07-21 14:17:30,106 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_enable_tx_timestamp [2022-07-21 14:17:30,106 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2022-07-21 14:17:30,107 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2022-07-21 14:17:30,107 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_set_rx_owner [2022-07-21 14:17:30,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_set_rx_owner [2022-07-21 14:17:30,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 14:17:30,107 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-21 14:17:30,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-21 14:17:30,107 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_display_ring [2022-07-21 14:17:30,108 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_display_ring [2022-07-21 14:17:30,108 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2022-07-21 14:17:30,108 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2022-07-21 14:17:30,108 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-21 14:17:30,108 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-21 14:17:30,108 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_timestamp_status [2022-07-21 14:17:30,108 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_timestamp_status [2022-07-21 14:17:30,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-21 14:17:30,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-21 14:17:30,109 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_pls [2022-07-21 14:17:30,109 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_pls [2022-07-21 14:17:30,109 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_enable_tx_timestamp [2022-07-21 14:17:30,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_enable_tx_timestamp [2022-07-21 14:17:30,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_prepare_enable_29 [2022-07-21 14:17:30,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_prepare_enable_29 [2022-07-21 14:17:30,110 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_rx_ipc_enable [2022-07-21 14:17:30,110 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_rx_ipc_enable [2022-07-21 14:17:30,110 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-21 14:17:30,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-21 14:17:30,110 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-07-21 14:17:30,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-07-21 14:17:30,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 14:17:30,111 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 14:17:30,111 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_rx_buffers [2022-07-21 14:17:30,111 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_rx_buffers [2022-07-21 14:17:30,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-07-21 14:17:30,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-07-21 14:17:30,112 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_setup [2022-07-21 14:17:30,112 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_setup [2022-07-21 14:17:30,112 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2022-07-21 14:17:30,112 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2022-07-21 14:17:30,112 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-21 14:17:30,112 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-21 14:17:30,113 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-21 14:17:30,113 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-21 14:17:30,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 14:17:30,113 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_set_umac_addr [2022-07-21 14:17:30,113 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_set_umac_addr [2022-07-21 14:17:30,113 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_len [2022-07-21 14:17:30,113 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_len [2022-07-21 14:17:30,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 14:17:30,114 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-21 14:17:30,114 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-21 14:17:30,114 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_pmt [2022-07-21 14:17:30,114 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_pmt [2022-07-21 14:17:30,114 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_timestamp_status [2022-07-21 14:17:30,114 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_timestamp_status [2022-07-21 14:17:30,115 INFO L130 BoogieDeclarations]: Found specification of procedure clk_get_rate [2022-07-21 14:17:30,115 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_get_rate [2022-07-21 14:17:30,115 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_release [2022-07-21 14:17:30,115 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_release [2022-07-21 14:17:30,115 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_enable_dma_irq [2022-07-21 14:17:30,115 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_enable_dma_irq [2022-07-21 14:17:30,116 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_timeout [2022-07-21 14:17:30,116 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_timeout [2022-07-21 14:17:30,116 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-21 14:17:30,116 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-21 14:17:30,116 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_systime [2022-07-21 14:17:30,116 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_systime [2022-07-21 14:17:30,116 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-21 14:17:30,117 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-21 14:17:30,117 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-21 14:17:30,117 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-21 14:17:30,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-21 14:17:30,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-21 14:17:30,117 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_time [2022-07-21 14:17:30,118 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_time [2022-07-21 14:17:30,118 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_core_init [2022-07-21 14:17:30,118 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_core_init [2022-07-21 14:17:30,118 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_hw_feature [2022-07-21 14:17:30,118 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_hw_feature [2022-07-21 14:17:30,119 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_setsettings [2022-07-21 14:17:30,119 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_setsettings [2022-07-21 14:17:30,119 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2022-07-21 14:17:30,119 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2022-07-21 14:17:30,119 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-21 14:17:30,119 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-21 14:17:30,119 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-07-21 14:17:30,119 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-07-21 14:17:30,120 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_set_rx_owner [2022-07-21 14:17:30,120 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_set_rx_owner [2022-07-21 14:17:30,120 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-21 14:17:30,120 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-21 14:17:30,120 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_ls [2022-07-21 14:17:30,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_ls [2022-07-21 14:17:30,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_handler_2_5 [2022-07-21 14:17:30,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_handler_2_5 [2022-07-21 14:17:30,121 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_init [2022-07-21 14:17:30,121 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_init [2022-07-21 14:17:30,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 14:17:30,121 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_set_filter [2022-07-21 14:17:30,121 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_set_filter [2022-07-21 14:17:30,122 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-07-21 14:17:30,122 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-07-21 14:17:30,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 14:17:30,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 14:17:30,122 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_jumbo_frm [2022-07-21 14:17:30,122 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_jumbo_frm [2022-07-21 14:17:30,122 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_freq [2022-07-21 14:17:30,123 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_freq [2022-07-21 14:17:30,123 INFO L130 BoogieDeclarations]: Found specification of procedure phy_disconnect [2022-07-21 14:17:30,123 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_disconnect [2022-07-21 14:17:30,123 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2022-07-21 14:17:30,123 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2022-07-21 14:17:30,123 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-21 14:17:30,123 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-21 14:17:30,124 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-07-21 14:17:30,124 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-07-21 14:17:30,124 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_time [2022-07-21 14:17:30,124 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_time [2022-07-21 14:17:30,124 INFO L130 BoogieDeclarations]: Found specification of procedure phy_stop [2022-07-21 14:17:30,124 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_stop [2022-07-21 14:17:30,125 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2022-07-21 14:17:30,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2022-07-21 14:17:30,125 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_release_tx_desc [2022-07-21 14:17:30,125 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_release_tx_desc [2022-07-21 14:17:30,125 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_timestamp_status [2022-07-21 14:17:30,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_timestamp_status [2022-07-21 14:17:30,125 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_mode [2022-07-21 14:17:30,126 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_mode [2022-07-21 14:17:30,126 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_disable_eee_mode [2022-07-21 14:17:30,126 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_disable_eee_mode [2022-07-21 14:17:30,126 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_remove [2022-07-21 14:17:30,126 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_remove [2022-07-21 14:17:30,126 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_set_tx_owner [2022-07-21 14:17:30,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_set_tx_owner [2022-07-21 14:17:30,127 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-21 14:17:30,127 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-21 14:17:30,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 14:17:30,127 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 14:17:30,127 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_remove [2022-07-21 14:17:30,127 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_remove [2022-07-21 14:17:30,127 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_len [2022-07-21 14:17:30,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_len [2022-07-21 14:17:30,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 14:17:30,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 14:17:30,128 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dma_interrupt [2022-07-21 14:17:30,128 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dma_interrupt [2022-07-21 14:17:30,128 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2022-07-21 14:17:30,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2022-07-21 14:17:30,128 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-21 14:17:30,129 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-21 14:17:30,129 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_status [2022-07-21 14:17:30,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_status [2022-07-21 14:17:30,129 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_mac [2022-07-21 14:17:30,129 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_mac [2022-07-21 14:17:30,129 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_resume [2022-07-21 14:17:30,129 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_resume [2022-07-21 14:17:30,130 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 14:17:30,130 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 14:17:30,130 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_desc3 [2022-07-21 14:17:30,130 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_desc3 [2022-07-21 14:17:30,130 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2022-07-21 14:17:30,130 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2022-07-21 14:17:30,130 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-07-21 14:17:30,131 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-07-21 14:17:30,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-21 14:17:30,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-21 14:17:30,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 14:17:30,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 14:17:30,131 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_mac_addr [2022-07-21 14:17:30,131 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_mac_addr [2022-07-21 14:17:30,132 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_flush_tx_fifo [2022-07-21 14:17:30,132 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_flush_tx_fifo [2022-07-21 14:17:30,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 14:17:30,132 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_open [2022-07-21 14:17:30,132 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_open [2022-07-21 14:17:30,132 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-07-21 14:17:30,132 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-07-21 14:17:30,133 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2022-07-21 14:17:30,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2022-07-21 14:17:30,133 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_owner [2022-07-21 14:17:30,133 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_owner [2022-07-21 14:17:30,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-07-21 14:17:30,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-07-21 14:17:30,133 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_ts_info [2022-07-21 14:17:30,134 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_ts_info [2022-07-21 14:17:30,134 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_setmsglevel [2022-07-21 14:17:30,134 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_setmsglevel [2022-07-21 14:17:30,134 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-21 14:17:30,134 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-21 14:17:30,134 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_get_regs_len [2022-07-21 14:17:30,134 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_get_regs_len [2022-07-21 14:17:30,135 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_prepare_tx_desc [2022-07-21 14:17:30,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_prepare_tx_desc [2022-07-21 14:17:30,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-21 14:17:30,135 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_timestamp_status [2022-07-21 14:17:30,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_timestamp_status [2022-07-21 14:17:30,135 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_hw_tstamping [2022-07-21 14:17:30,135 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_hw_tstamping [2022-07-21 14:17:30,136 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_flow_ctrl [2022-07-21 14:17:30,136 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_flow_ctrl [2022-07-21 14:17:30,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-07-21 14:17:30,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-07-21 14:17:30,136 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_link [2022-07-21 14:17:30,136 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_link [2022-07-21 14:17:30,136 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_eee_init [2022-07-21 14:17:30,137 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_eee_init [2022-07-21 14:17:30,137 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-21 14:17:30,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-21 14:17:30,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-21 14:17:30,137 INFO L130 BoogieDeclarations]: Found specification of procedure init_dma_desc_rings [2022-07-21 14:17:30,137 INFO L138 BoogieDeclarations]: Found implementation of procedure init_dma_desc_rings [2022-07-21 14:17:30,137 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-21 14:17:30,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-21 14:17:30,138 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_init [2022-07-21 14:17:30,138 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_init [2022-07-21 14:17:30,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 14:17:30,138 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 14:17:30,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-21 14:17:30,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-21 14:17:30,139 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_set_tx_owner [2022-07-21 14:17:30,139 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_set_tx_owner [2022-07-21 14:17:30,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-21 14:17:30,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-21 14:17:30,139 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_systime [2022-07-21 14:17:30,139 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_systime [2022-07-21 14:17:30,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_2 [2022-07-21 14:17:30,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_2 [2022-07-21 14:17:30,140 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_hw_features [2022-07-21 14:17:30,140 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_hw_features [2022-07-21 14:17:30,140 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-07-21 14:17:30,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-07-21 14:17:30,140 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_stop_tx [2022-07-21 14:17:30,140 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_stop_tx [2022-07-21 14:17:30,141 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2022-07-21 14:17:30,141 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2022-07-21 14:17:30,141 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_interrupt [2022-07-21 14:17:30,141 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_interrupt [2022-07-21 14:17:30,141 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_get_umac_addr [2022-07-21 14:17:30,141 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_get_umac_addr [2022-07-21 14:17:30,141 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_probe [2022-07-21 14:17:30,142 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_probe [2022-07-21 14:17:30,142 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2022-07-21 14:17:30,142 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2022-07-21 14:17:30,142 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-21 14:17:30,142 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-21 14:17:30,142 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_ext_status [2022-07-21 14:17:30,142 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_ext_status [2022-07-21 14:17:30,143 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dvr_probe [2022-07-21 14:17:30,143 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dvr_probe [2022-07-21 14:17:30,143 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_timestamp [2022-07-21 14:17:30,143 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_timestamp [2022-07-21 14:17:30,143 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-21 14:17:30,143 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-21 14:17:30,144 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_stop_rx [2022-07-21 14:17:30,144 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_stop_rx [2022-07-21 14:17:30,144 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_resume [2022-07-21 14:17:30,144 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_resume [2022-07-21 14:17:30,144 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_diagnostic_fr [2022-07-21 14:17:30,144 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_diagnostic_fr [2022-07-21 14:17:30,144 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma_desc_resources [2022-07-21 14:17:30,144 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma_desc_resources [2022-07-21 14:17:30,145 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_mdio_reset [2022-07-21 14:17:30,145 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_mdio_reset [2022-07-21 14:17:30,145 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clean_desc3 [2022-07-21 14:17:30,145 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clean_desc3 [2022-07-21 14:17:30,145 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 14:17:30,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 14:17:30,145 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_enable [2022-07-21 14:17:30,146 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_enable [2022-07-21 14:17:30,146 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_op_set_eee [2022-07-21 14:17:30,146 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_op_set_eee [2022-07-21 14:17:30,146 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-21 14:17:30,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-21 14:17:30,146 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_init_tx_desc [2022-07-21 14:17:30,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_init_tx_desc [2022-07-21 14:17:30,147 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_init_tx_desc [2022-07-21 14:17:30,147 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_init_tx_desc [2022-07-21 14:17:30,147 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_close_tx_desc [2022-07-21 14:17:30,147 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_close_tx_desc [2022-07-21 14:17:30,147 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_irq_status [2022-07-21 14:17:30,147 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_irq_status [2022-07-21 14:17:30,147 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_wol [2022-07-21 14:17:30,148 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_wol [2022-07-21 14:17:30,148 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_systime [2022-07-21 14:17:30,148 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_systime [2022-07-21 14:17:30,148 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_umac_addr [2022-07-21 14:17:30,148 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_umac_addr [2022-07-21 14:17:30,148 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_clear_tx_ic [2022-07-21 14:17:30,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_clear_tx_ic [2022-07-21 14:17:30,149 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-21 14:17:30,149 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-21 14:17:30,149 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-07-21 14:17:30,149 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-07-21 14:17:30,149 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-21 14:17:30,149 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-21 14:17:30,149 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_unregister_platform [2022-07-21 14:17:30,149 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_unregister_platform [2022-07-21 14:17:30,150 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_irq_status [2022-07-21 14:17:30,150 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_irq_status [2022-07-21 14:17:30,150 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_timestamp [2022-07-21 14:17:30,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_timestamp [2022-07-21 14:17:30,150 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_owner [2022-07-21 14:17:30,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_owner [2022-07-21 14:17:30,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 14:17:30,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 14:17:30,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 14:17:30,151 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_rx_mode [2022-07-21 14:17:30,151 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_rx_mode [2022-07-21 14:17:30,151 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-21 14:17:30,151 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-21 14:17:30,151 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-07-21 14:17:30,151 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-07-21 14:17:30,152 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-21 14:17:30,152 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-21 14:17:30,152 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_display_ring [2022-07-21 14:17:30,152 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_display_ring [2022-07-21 14:17:30,152 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2022-07-21 14:17:30,152 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2022-07-21 14:17:30,152 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_getdrvinfo [2022-07-21 14:17:30,153 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_getdrvinfo [2022-07-21 14:17:30,153 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_sub_second_increment [2022-07-21 14:17:30,153 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_sub_second_increment [2022-07-21 14:17:30,153 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-21 14:17:30,153 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-21 14:17:30,153 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_check_if_running [2022-07-21 14:17:30,153 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_check_if_running [2022-07-21 14:17:30,153 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_umac_addr [2022-07-21 14:17:30,154 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_umac_addr [2022-07-21 14:17:30,154 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_op_get_eee [2022-07-21 14:17:30,154 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_op_get_eee [2022-07-21 14:17:30,154 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_pmt [2022-07-21 14:17:30,154 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_pmt [2022-07-21 14:17:30,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-07-21 14:17:30,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-07-21 14:17:30,155 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-07-21 14:17:30,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-07-21 14:17:30,155 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-21 14:17:30,155 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-21 14:17:30,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_clk_disable_unprepare_21 [2022-07-21 14:17:30,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_clk_disable_unprepare_21 [2022-07-21 14:17:30,155 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_refill_desc3 [2022-07-21 14:17:30,155 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_refill_desc3 [2022-07-21 14:17:30,156 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clear_descriptors [2022-07-21 14:17:30,156 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clear_descriptors [2022-07-21 14:17:30,156 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-07-21 14:17:30,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-07-21 14:17:30,156 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_flow_ctrl [2022-07-21 14:17:30,156 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_flow_ctrl [2022-07-21 14:17:30,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 14:17:30,157 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_sysfs_dma_cap_open [2022-07-21 14:17:30,157 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_sysfs_dma_cap_open [2022-07-21 14:17:30,157 INFO L130 BoogieDeclarations]: Found specification of procedure phy_start [2022-07-21 14:17:30,157 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_start [2022-07-21 14:17:30,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-07-21 14:17:30,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-07-21 14:17:30,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-07-21 14:17:30,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-07-21 14:17:30,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-21 14:17:30,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-21 14:17:30,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-21 14:17:30,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-21 14:17:30,158 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_disable_dma_irq [2022-07-21 14:17:30,158 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_disable_dma_irq [2022-07-21 14:17:30,158 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-21 14:17:30,159 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-21 14:17:30,159 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-21 14:17:30,159 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-21 14:17:30,159 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2022-07-21 14:17:30,159 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2022-07-21 14:17:30,159 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_irq_wake [2022-07-21 14:17:30,159 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_irq_wake [2022-07-21 14:17:30,160 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dvr_remove [2022-07-21 14:17:30,160 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dvr_remove [2022-07-21 14:17:30,160 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_status [2022-07-21 14:17:30,160 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_status [2022-07-21 14:17:30,160 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_start_rx [2022-07-21 14:17:30,160 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_start_rx [2022-07-21 14:17:30,160 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-07-21 14:17:30,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-07-21 14:17:30,161 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 14:17:30,161 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 14:17:30,161 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_is_jumbo_frm [2022-07-21 14:17:30,161 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_is_jumbo_frm [2022-07-21 14:17:30,161 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-07-21 14:17:30,161 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-07-21 14:17:30,161 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_sysfs_ring_open [2022-07-21 14:17:30,162 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_sysfs_ring_open [2022-07-21 14:17:30,162 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_owner [2022-07-21 14:17:30,162 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_owner [2022-07-21 14:17:30,162 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-07-21 14:17:30,162 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2022-07-21 14:17:30,162 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq_byname [2022-07-21 14:17:30,162 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_irq_byname [2022-07-21 14:17:30,163 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_err [2022-07-21 14:17:30,163 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_err [2022-07-21 14:17:30,163 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-21 14:17:30,163 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-21 14:17:30,163 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_start_tx [2022-07-21 14:17:30,163 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_start_tx [2022-07-21 14:17:30,163 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-21 14:17:30,164 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-21 14:17:30,164 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_prepare_tx_desc [2022-07-21 14:17:30,164 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_prepare_tx_desc [2022-07-21 14:17:30,164 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_frame_len [2022-07-21 14:17:30,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_frame_len [2022-07-21 14:17:30,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_18 [2022-07-21 14:17:30,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_18 [2022-07-21 14:17:30,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_17 [2022-07-21 14:17:30,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_17 [2022-07-21 14:17:30,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_16 [2022-07-21 14:17:30,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_16 [2022-07-21 14:17:30,165 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-21 14:17:30,165 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-21 14:17:30,165 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_tx_set_on_chain [2022-07-21 14:17:30,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_tx_set_on_chain [2022-07-21 14:17:30,165 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_pauseparam [2022-07-21 14:17:30,166 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_pauseparam [2022-07-21 14:17:30,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-21 14:17:30,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-21 14:17:30,166 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-21 14:17:30,166 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-21 14:17:30,166 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dump_dma_regs [2022-07-21 14:17:30,166 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dump_dma_regs [2022-07-21 14:17:30,167 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-21 14:17:30,167 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-21 14:17:30,167 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_getsettings [2022-07-21 14:17:30,167 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_getsettings [2022-07-21 14:17:30,167 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-21 14:17:30,167 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-21 14:17:30,167 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-21 14:17:30,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-21 14:17:30,168 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_coalesce [2022-07-21 14:17:30,168 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_coalesce [2022-07-21 14:17:30,168 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-21 14:17:30,168 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-21 14:17:30,168 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_disable_dma_irq [2022-07-21 14:17:30,168 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_disable_dma_irq [2022-07-21 14:17:30,168 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_wol [2022-07-21 14:17:30,169 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_wol [2022-07-21 14:17:30,169 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_clear_tx_ic [2022-07-21 14:17:30,169 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_clear_tx_ic [2022-07-21 14:17:30,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 14:17:30,169 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-21 14:17:30,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-21 14:17:30,169 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config [2022-07-21 14:17:30,169 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config [2022-07-21 14:17:30,170 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_time [2022-07-21 14:17:30,170 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_time [2022-07-21 14:17:30,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-21 14:17:30,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-21 14:17:30,170 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-21 14:17:30,170 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-21 14:17:30,170 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_resume [2022-07-21 14:17:30,171 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_resume [2022-07-21 14:17:31,930 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 14:17:31,937 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 14:17:32,094 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 14:17:56,239 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 14:17:56,295 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 14:17:56,295 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-21 14:17:56,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:17:56 BoogieIcfgContainer [2022-07-21 14:17:56,304 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 14:17:56,306 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 14:17:56,306 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 14:17:56,309 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 14:17:56,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 02:17:16" (1/3) ... [2022-07-21 14:17:56,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a34bec7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:17:56, skipping insertion in model container [2022-07-21 14:17:56,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:17:28" (2/3) ... [2022-07-21 14:17:56,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a34bec7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:17:56, skipping insertion in model container [2022-07-21 14:17:56,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:17:56" (3/3) ... [2022-07-21 14:17:56,313 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-drivers-clk1_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i [2022-07-21 14:17:56,326 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 14:17:56,326 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 14:17:56,500 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 14:17:56,508 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@2f6ed695, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6ecaeb97 [2022-07-21 14:17:56,508 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 14:17:56,528 INFO L276 IsEmpty]: Start isEmpty. Operand has 5298 states, 3739 states have (on average 1.350361059106713) internal successors, (5049), 3878 states have internal predecessors, (5049), 1266 states have call successors, (1266), 292 states have call predecessors, (1266), 291 states have return successors, (1251), 1175 states have call predecessors, (1251), 1251 states have call successors, (1251) [2022-07-21 14:17:56,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-07-21 14:17:56,536 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:17:56,537 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-21 14:17:56,537 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:17:56,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:17:56,542 INFO L85 PathProgramCache]: Analyzing trace with hash -211975035, now seen corresponding path program 1 times [2022-07-21 14:17:56,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:17:56,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132826271] [2022-07-21 14:17:56,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:17:56,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:17:57,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:17:58,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:17:58,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:17:58,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:17:58,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:17:58,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 14:17:58,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:17:58,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-21 14:17:58,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:17:58,424 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-21 14:17:58,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:17:58,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132826271] [2022-07-21 14:17:58,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132826271] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:17:58,428 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:17:58,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 14:17:58,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098196765] [2022-07-21 14:17:58,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:17:58,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 14:17:58,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:17:58,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 14:17:58,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:17:58,479 INFO L87 Difference]: Start difference. First operand has 5298 states, 3739 states have (on average 1.350361059106713) internal successors, (5049), 3878 states have internal predecessors, (5049), 1266 states have call successors, (1266), 292 states have call predecessors, (1266), 291 states have return successors, (1251), 1175 states have call predecessors, (1251), 1251 states have call successors, (1251) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-21 14:17:58,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:17:58,950 INFO L93 Difference]: Finished difference Result 10559 states and 15345 transitions. [2022-07-21 14:17:58,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 14:17:58,952 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 39 [2022-07-21 14:17:58,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:17:59,013 INFO L225 Difference]: With dead ends: 10559 [2022-07-21 14:17:59,014 INFO L226 Difference]: Without dead ends: 5276 [2022-07-21 14:17:59,058 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-21 14:17:59,062 INFO L413 NwaCegarLoop]: 7375 mSDtfsCounter, 7366 mSDsluCounter, 14747 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7368 SdHoareTripleChecker+Valid, 22122 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 14:17:59,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7368 Valid, 22122 Invalid, 10 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 14:17:59,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5276 states. [2022-07-21 14:17:59,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5276 to 5276. [2022-07-21 14:17:59,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5276 states, 3734 states have (on average 1.2975361542581683) internal successors, (4845), 3860 states have internal predecessors, (4845), 1251 states have call successors, (1251), 292 states have call predecessors, (1251), 290 states have return successors, (1248), 1172 states have call predecessors, (1248), 1248 states have call successors, (1248) [2022-07-21 14:17:59,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5276 states to 5276 states and 7344 transitions. [2022-07-21 14:17:59,640 INFO L78 Accepts]: Start accepts. Automaton has 5276 states and 7344 transitions. Word has length 39 [2022-07-21 14:17:59,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:17:59,643 INFO L495 AbstractCegarLoop]: Abstraction has 5276 states and 7344 transitions. [2022-07-21 14:17:59,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-21 14:17:59,644 INFO L276 IsEmpty]: Start isEmpty. Operand 5276 states and 7344 transitions. [2022-07-21 14:17:59,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-07-21 14:17:59,647 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:17:59,647 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-07-21 14:17:59,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 14:17:59,648 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:17:59,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:17:59,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1929273928, now seen corresponding path program 1 times [2022-07-21 14:17:59,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:17:59,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852066755] [2022-07-21 14:17:59,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:17:59,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:18:00,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:18:00,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 14:18:00,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:18:00,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 14:18:00,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:18:00,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 14:18:00,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:18:00,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-21 14:18:00,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:18:00,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-21 14:18:00,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:18:00,909 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-07-21 14:18:00,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:18:00,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852066755] [2022-07-21 14:18:00,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852066755] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:18:00,915 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:18:00,915 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 14:18:00,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747557549] [2022-07-21 14:18:00,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:18:00,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 14:18:00,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:18:00,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 14:18:00,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:18:00,919 INFO L87 Difference]: Start difference. First operand 5276 states and 7344 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-21 14:18:01,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:18:01,390 INFO L93 Difference]: Finished difference Result 10499 states and 14850 transitions. [2022-07-21 14:18:01,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 14:18:01,391 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 44 [2022-07-21 14:18:01,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:18:01,494 INFO L225 Difference]: With dead ends: 10499 [2022-07-21 14:18:01,495 INFO L226 Difference]: Without dead ends: 9436 [2022-07-21 14:18:01,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-21 14:18:01,518 INFO L413 NwaCegarLoop]: 8938 mSDtfsCounter, 7444 mSDsluCounter, 25250 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7444 SdHoareTripleChecker+Valid, 34188 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 14:18:01,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7444 Valid, 34188 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 14:18:01,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9436 states. [2022-07-21 14:18:01,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9436 to 9405. [2022-07-21 14:18:01,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9405 states, 6611 states have (on average 1.2969293601573135) internal successors, (8574), 6849 states have internal predecessors, (8574), 2230 states have call successors, (2230), 567 states have call predecessors, (2230), 563 states have return successors, (2459), 2079 states have call predecessors, (2459), 2228 states have call successors, (2459) [2022-07-21 14:18:02,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9405 states to 9405 states and 13263 transitions. [2022-07-21 14:18:02,083 INFO L78 Accepts]: Start accepts. Automaton has 9405 states and 13263 transitions. Word has length 44 [2022-07-21 14:18:02,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:18:02,085 INFO L495 AbstractCegarLoop]: Abstraction has 9405 states and 13263 transitions. [2022-07-21 14:18:02,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (7), 3 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-21 14:18:02,086 INFO L276 IsEmpty]: Start isEmpty. Operand 9405 states and 13263 transitions. [2022-07-21 14:18:02,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1053 [2022-07-21 14:18:02,213 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:18:02,216 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 12, 12, 8, 8, 6, 6, 4, 4, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:18:02,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 14:18:02,217 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:18:02,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:18:02,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1117045970, now seen corresponding path program 1 times [2022-07-21 14:18:02,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:18:02,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988269744] [2022-07-21 14:18:02,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:18:02,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:18:03,133 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-21 14:18:03,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1814099233] [2022-07-21 14:18:03,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:18:03,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 14:18:03,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 14:18:03,157 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 14:18:03,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-21 14:18:08,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:18:08,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 26312 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-21 14:18:08,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:18:08,744 INFO L134 CoverageAnalysis]: Checked inductivity of 4788 backedges. 1515 proven. 0 refuted. 0 times theorem prover too weak. 3273 trivial. 0 not checked. [2022-07-21 14:18:08,745 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:18:08,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:18:08,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988269744] [2022-07-21 14:18:08,745 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-21 14:18:08,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1814099233] [2022-07-21 14:18:08,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1814099233] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:18:08,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:18:08,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 14:18:08,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141095777] [2022-07-21 14:18:08,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:18:08,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 14:18:08,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:18:08,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 14:18:08,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 14:18:08,751 INFO L87 Difference]: Start difference. First operand 9405 states and 13263 transitions. Second operand has 6 states, 6 states have (on average 72.66666666666667) internal successors, (436), 6 states have internal predecessors, (436), 4 states have call successors, (127), 2 states have call predecessors, (127), 4 states have return successors, (125), 4 states have call predecessors, (125), 4 states have call successors, (125) [2022-07-21 14:18:09,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:18:09,215 INFO L93 Difference]: Finished difference Result 17624 states and 24762 transitions. [2022-07-21 14:18:09,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 14:18:09,216 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 72.66666666666667) internal successors, (436), 6 states have internal predecessors, (436), 4 states have call successors, (127), 2 states have call predecessors, (127), 4 states have return successors, (125), 4 states have call predecessors, (125), 4 states have call successors, (125) Word has length 1052 [2022-07-21 14:18:09,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:18:09,291 INFO L225 Difference]: With dead ends: 17624 [2022-07-21 14:18:09,291 INFO L226 Difference]: Without dead ends: 9409 [2022-07-21 14:18:09,337 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1053 GetRequests, 1047 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-21 14:18:09,338 INFO L413 NwaCegarLoop]: 7333 mSDtfsCounter, 18 mSDsluCounter, 29289 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 36622 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 14:18:09,339 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 36622 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 14:18:09,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9409 states. [2022-07-21 14:18:09,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9409 to 9409. [2022-07-21 14:18:09,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9409 states, 6613 states have (on average 1.2968395584454862) internal successors, (8576), 6852 states have internal predecessors, (8576), 2231 states have call successors, (2231), 567 states have call predecessors, (2231), 564 states have return successors, (2461), 2080 states have call predecessors, (2461), 2229 states have call successors, (2461) [2022-07-21 14:18:09,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9409 states to 9409 states and 13268 transitions. [2022-07-21 14:18:09,791 INFO L78 Accepts]: Start accepts. Automaton has 9409 states and 13268 transitions. Word has length 1052 [2022-07-21 14:18:09,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:18:09,795 INFO L495 AbstractCegarLoop]: Abstraction has 9409 states and 13268 transitions. [2022-07-21 14:18:09,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 72.66666666666667) internal successors, (436), 6 states have internal predecessors, (436), 4 states have call successors, (127), 2 states have call predecessors, (127), 4 states have return successors, (125), 4 states have call predecessors, (125), 4 states have call successors, (125) [2022-07-21 14:18:09,796 INFO L276 IsEmpty]: Start isEmpty. Operand 9409 states and 13268 transitions. [2022-07-21 14:18:09,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1059 [2022-07-21 14:18:09,901 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:18:09,901 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 13, 13, 8, 8, 6, 6, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:18:10,000 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-21 14:18:10,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 14:18:10,128 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:18:10,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:18:10,128 INFO L85 PathProgramCache]: Analyzing trace with hash 21516336, now seen corresponding path program 1 times [2022-07-21 14:18:10,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:18:10,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471502225] [2022-07-21 14:18:10,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:18:10,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:18:10,779 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-21 14:18:10,780 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [262468244] [2022-07-21 14:18:10,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:18:10,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 14:18:10,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 14:18:10,782 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 14:18:10,784 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-21 14:18:16,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:18:16,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 26344 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-21 14:18:16,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:18:16,321 INFO L134 CoverageAnalysis]: Checked inductivity of 4815 backedges. 1515 proven. 0 refuted. 0 times theorem prover too weak. 3300 trivial. 0 not checked. [2022-07-21 14:18:16,321 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:18:16,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:18:16,321 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471502225] [2022-07-21 14:18:16,322 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-21 14:18:16,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [262468244] [2022-07-21 14:18:16,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [262468244] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:18:16,322 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:18:16,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 14:18:16,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425672843] [2022-07-21 14:18:16,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:18:16,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 14:18:16,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:18:16,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 14:18:16,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 14:18:16,326 INFO L87 Difference]: Start difference. First operand 9409 states and 13268 transitions. Second operand has 6 states, 6 states have (on average 73.0) internal successors, (438), 6 states have internal predecessors, (438), 4 states have call successors, (128), 2 states have call predecessors, (128), 4 states have return successors, (126), 4 states have call predecessors, (126), 4 states have call successors, (126) [2022-07-21 14:18:16,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:18:16,878 INFO L93 Difference]: Finished difference Result 17632 states and 24773 transitions. [2022-07-21 14:18:16,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 14:18:16,879 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 73.0) internal successors, (438), 6 states have internal predecessors, (438), 4 states have call successors, (128), 2 states have call predecessors, (128), 4 states have return successors, (126), 4 states have call predecessors, (126), 4 states have call successors, (126) Word has length 1058 [2022-07-21 14:18:16,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:18:16,951 INFO L225 Difference]: With dead ends: 17632 [2022-07-21 14:18:16,951 INFO L226 Difference]: Without dead ends: 9413 [2022-07-21 14:18:16,986 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1059 GetRequests, 1053 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-07-21 14:18:16,988 INFO L413 NwaCegarLoop]: 7331 mSDtfsCounter, 19 mSDsluCounter, 29281 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 36612 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 14:18:16,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 36612 Invalid, 62 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 14:18:17,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9413 states. [2022-07-21 14:18:17,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9413 to 9413. [2022-07-21 14:18:17,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9413 states, 6615 states have (on average 1.2967498110355253) internal successors, (8578), 6855 states have internal predecessors, (8578), 2232 states have call successors, (2232), 567 states have call predecessors, (2232), 565 states have return successors, (2464), 2081 states have call predecessors, (2464), 2230 states have call successors, (2464) [2022-07-21 14:18:17,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9413 states to 9413 states and 13274 transitions. [2022-07-21 14:18:17,353 INFO L78 Accepts]: Start accepts. Automaton has 9413 states and 13274 transitions. Word has length 1058 [2022-07-21 14:18:17,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:18:17,357 INFO L495 AbstractCegarLoop]: Abstraction has 9413 states and 13274 transitions. [2022-07-21 14:18:17,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 73.0) internal successors, (438), 6 states have internal predecessors, (438), 4 states have call successors, (128), 2 states have call predecessors, (128), 4 states have return successors, (126), 4 states have call predecessors, (126), 4 states have call successors, (126) [2022-07-21 14:18:17,358 INFO L276 IsEmpty]: Start isEmpty. Operand 9413 states and 13274 transitions. [2022-07-21 14:18:17,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1067 [2022-07-21 14:18:17,441 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:18:17,442 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 16, 16, 14, 14, 8, 8, 5, 5, 4, 4, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:18:17,539 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-21 14:18:17,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-07-21 14:18:17,656 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:18:17,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:18:17,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1330928687, now seen corresponding path program 1 times [2022-07-21 14:18:17,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:18:17,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298644714] [2022-07-21 14:18:17,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:18:17,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:18:18,431 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-21 14:18:18,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1014040238] [2022-07-21 14:18:18,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:18:18,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 14:18:18,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 14:18:18,435 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 14:18:18,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-21 14:18:23,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:18:23,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 26377 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 14:18:23,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:18:23,417 INFO L134 CoverageAnalysis]: Checked inductivity of 4851 backedges. 1490 proven. 0 refuted. 0 times theorem prover too weak. 3361 trivial. 0 not checked. [2022-07-21 14:18:23,417 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:18:23,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:18:23,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298644714] [2022-07-21 14:18:23,418 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-21 14:18:23,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1014040238] [2022-07-21 14:18:23,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1014040238] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:18:23,418 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:18:23,418 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 14:18:23,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828026064] [2022-07-21 14:18:23,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:18:23,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 14:18:23,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:18:23,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 14:18:23,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:18:23,421 INFO L87 Difference]: Start difference. First operand 9413 states and 13274 transitions. Second operand has 5 states, 5 states have (on average 81.8) internal successors, (409), 4 states have internal predecessors, (409), 2 states have call successors, (118), 2 states have call predecessors, (118), 3 states have return successors, (116), 3 states have call predecessors, (116), 2 states have call successors, (116) [2022-07-21 14:18:24,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:18:24,019 INFO L93 Difference]: Finished difference Result 18873 states and 27120 transitions. [2022-07-21 14:18:24,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 14:18:24,024 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 81.8) internal successors, (409), 4 states have internal predecessors, (409), 2 states have call successors, (118), 2 states have call predecessors, (118), 3 states have return successors, (116), 3 states have call predecessors, (116), 2 states have call successors, (116) Word has length 1066 [2022-07-21 14:18:24,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:18:24,091 INFO L225 Difference]: With dead ends: 18873 [2022-07-21 14:18:24,092 INFO L226 Difference]: Without dead ends: 9493 [2022-07-21 14:18:24,137 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1065 GetRequests, 1062 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:18:24,138 INFO L413 NwaCegarLoop]: 7377 mSDtfsCounter, 164 mSDsluCounter, 21920 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 29297 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 14:18:24,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 29297 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 14:18:24,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9493 states. [2022-07-21 14:18:24,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9493 to 9421. [2022-07-21 14:18:24,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9421 states, 6621 states have (on average 1.2964808941247545) internal successors, (8584), 6861 states have internal predecessors, (8584), 2232 states have call successors, (2232), 567 states have call predecessors, (2232), 567 states have return successors, (2468), 2083 states have call predecessors, (2468), 2230 states have call successors, (2468) [2022-07-21 14:18:24,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9421 states to 9421 states and 13284 transitions. [2022-07-21 14:18:24,571 INFO L78 Accepts]: Start accepts. Automaton has 9421 states and 13284 transitions. Word has length 1066 [2022-07-21 14:18:24,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:18:24,574 INFO L495 AbstractCegarLoop]: Abstraction has 9421 states and 13284 transitions. [2022-07-21 14:18:24,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 81.8) internal successors, (409), 4 states have internal predecessors, (409), 2 states have call successors, (118), 2 states have call predecessors, (118), 3 states have return successors, (116), 3 states have call predecessors, (116), 2 states have call successors, (116) [2022-07-21 14:18:24,575 INFO L276 IsEmpty]: Start isEmpty. Operand 9421 states and 13284 transitions. [2022-07-21 14:18:24,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1082 [2022-07-21 14:18:24,655 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:18:24,657 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 14, 14, 8, 8, 6, 6, 4, 4, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:18:24,778 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-21 14:18:24,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 14:18:24,872 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:18:24,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:18:24,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1460115199, now seen corresponding path program 1 times [2022-07-21 14:18:24,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:18:24,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090589733] [2022-07-21 14:18:24,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:18:24,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:18:25,726 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-21 14:18:25,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [878476317] [2022-07-21 14:18:25,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:18:25,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 14:18:25,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 14:18:25,732 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 14:18:25,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-21 14:18:31,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:18:31,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 26680 conjuncts, 38 conjunts are in the unsatisfiable core [2022-07-21 14:18:31,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:18:31,513 INFO L134 CoverageAnalysis]: Checked inductivity of 4914 backedges. 323 proven. 0 refuted. 0 times theorem prover too weak. 4591 trivial. 0 not checked. [2022-07-21 14:18:31,513 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:18:31,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:18:31,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090589733] [2022-07-21 14:18:31,514 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-21 14:18:31,514 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [878476317] [2022-07-21 14:18:31,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [878476317] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:18:31,514 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:18:31,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-07-21 14:18:31,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638135328] [2022-07-21 14:18:31,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:18:31,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-07-21 14:18:31,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:18:31,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-07-21 14:18:31,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2022-07-21 14:18:31,518 INFO L87 Difference]: Start difference. First operand 9421 states and 13284 transitions. Second operand has 15 states, 14 states have (on average 28.928571428571427) internal successors, (405), 14 states have internal predecessors, (405), 4 states have call successors, (116), 2 states have call predecessors, (116), 4 states have return successors, (114), 4 states have call predecessors, (114), 4 states have call successors, (114) [2022-07-21 14:18:32,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:18:32,681 INFO L93 Difference]: Finished difference Result 18856 states and 26587 transitions. [2022-07-21 14:18:32,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-07-21 14:18:32,682 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 28.928571428571427) internal successors, (405), 14 states have internal predecessors, (405), 4 states have call successors, (116), 2 states have call predecessors, (116), 4 states have return successors, (114), 4 states have call predecessors, (114), 4 states have call successors, (114) Word has length 1081 [2022-07-21 14:18:32,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:18:32,743 INFO L225 Difference]: With dead ends: 18856 [2022-07-21 14:18:32,743 INFO L226 Difference]: Without dead ends: 9415 [2022-07-21 14:18:32,783 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1094 GetRequests, 1067 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=161, Invalid=651, Unknown=0, NotChecked=0, Total=812 [2022-07-21 14:18:32,784 INFO L413 NwaCegarLoop]: 7301 mSDtfsCounter, 51 mSDsluCounter, 94800 mSDsCounter, 0 mSdLazyCounter, 642 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 102101 SdHoareTripleChecker+Invalid, 695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-21 14:18:32,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 102101 Invalid, 695 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [53 Valid, 642 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-21 14:18:32,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9415 states. [2022-07-21 14:18:33,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9415 to 9415. [2022-07-21 14:18:33,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9415 states, 6617 states have (on average 1.2962067402145987) internal successors, (8577), 6856 states have internal predecessors, (8577), 2231 states have call successors, (2231), 566 states have call predecessors, (2231), 566 states have return successors, (2467), 2082 states have call predecessors, (2467), 2229 states have call successors, (2467) [2022-07-21 14:18:33,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9415 states to 9415 states and 13275 transitions. [2022-07-21 14:18:33,183 INFO L78 Accepts]: Start accepts. Automaton has 9415 states and 13275 transitions. Word has length 1081 [2022-07-21 14:18:33,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:18:33,184 INFO L495 AbstractCegarLoop]: Abstraction has 9415 states and 13275 transitions. [2022-07-21 14:18:33,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 28.928571428571427) internal successors, (405), 14 states have internal predecessors, (405), 4 states have call successors, (116), 2 states have call predecessors, (116), 4 states have return successors, (114), 4 states have call predecessors, (114), 4 states have call successors, (114) [2022-07-21 14:18:33,185 INFO L276 IsEmpty]: Start isEmpty. Operand 9415 states and 13275 transitions. [2022-07-21 14:18:33,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1086 [2022-07-21 14:18:33,247 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:18:33,248 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 14, 14, 8, 8, 6, 6, 4, 4, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:18:33,350 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-21 14:18:33,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 14:18:33,476 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:18:33,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:18:33,476 INFO L85 PathProgramCache]: Analyzing trace with hash 385514358, now seen corresponding path program 1 times [2022-07-21 14:18:33,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:18:33,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710226255] [2022-07-21 14:18:33,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:18:33,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:18:34,213 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-21 14:18:34,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [980430177] [2022-07-21 14:18:34,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:18:34,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 14:18:34,214 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 14:18:34,215 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 14:18:34,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-21 14:18:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:18:39,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 26721 conjuncts, 7 conjunts are in the unsatisfiable core [2022-07-21 14:18:39,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:18:39,671 INFO L134 CoverageAnalysis]: Checked inductivity of 4914 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4914 trivial. 0 not checked. [2022-07-21 14:18:39,671 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:18:39,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:18:39,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710226255] [2022-07-21 14:18:39,672 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-21 14:18:39,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [980430177] [2022-07-21 14:18:39,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [980430177] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:18:39,672 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:18:39,673 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 14:18:39,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763695627] [2022-07-21 14:18:39,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:18:39,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 14:18:39,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:18:39,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 14:18:39,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:18:39,676 INFO L87 Difference]: Start difference. First operand 9415 states and 13275 transitions. Second operand has 5 states, 5 states have (on average 80.2) internal successors, (401), 5 states have internal predecessors, (401), 1 states have call successors, (116), 1 states have call predecessors, (116), 1 states have return successors, (114), 1 states have call predecessors, (114), 1 states have call successors, (114) [2022-07-21 14:18:40,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:18:40,035 INFO L93 Difference]: Finished difference Result 18820 states and 26539 transitions. [2022-07-21 14:18:40,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 14:18:40,036 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 80.2) internal successors, (401), 5 states have internal predecessors, (401), 1 states have call successors, (116), 1 states have call predecessors, (116), 1 states have return successors, (114), 1 states have call predecessors, (114), 1 states have call successors, (114) Word has length 1085 [2022-07-21 14:18:40,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:18:40,105 INFO L225 Difference]: With dead ends: 18820 [2022-07-21 14:18:40,106 INFO L226 Difference]: Without dead ends: 9415 [2022-07-21 14:18:40,154 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1086 GetRequests, 1081 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-21 14:18:40,155 INFO L413 NwaCegarLoop]: 7330 mSDtfsCounter, 3 mSDsluCounter, 21982 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 29312 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 14:18:40,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 29312 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 14:18:40,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9415 states. [2022-07-21 14:18:40,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9415 to 9415. [2022-07-21 14:18:40,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9415 states, 6617 states have (on average 1.296055614326734) internal successors, (8576), 6856 states have internal predecessors, (8576), 2231 states have call successors, (2231), 566 states have call predecessors, (2231), 566 states have return successors, (2467), 2082 states have call predecessors, (2467), 2229 states have call successors, (2467) [2022-07-21 14:18:40,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9415 states to 9415 states and 13274 transitions. [2022-07-21 14:18:40,578 INFO L78 Accepts]: Start accepts. Automaton has 9415 states and 13274 transitions. Word has length 1085 [2022-07-21 14:18:40,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:18:40,578 INFO L495 AbstractCegarLoop]: Abstraction has 9415 states and 13274 transitions. [2022-07-21 14:18:40,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 80.2) internal successors, (401), 5 states have internal predecessors, (401), 1 states have call successors, (116), 1 states have call predecessors, (116), 1 states have return successors, (114), 1 states have call predecessors, (114), 1 states have call successors, (114) [2022-07-21 14:18:40,579 INFO L276 IsEmpty]: Start isEmpty. Operand 9415 states and 13274 transitions. [2022-07-21 14:18:40,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1086 [2022-07-21 14:18:40,636 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:18:40,636 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 14, 14, 8, 8, 6, 6, 4, 4, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:18:40,743 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-21 14:18:40,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 14:18:40,850 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:18:40,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:18:40,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1046261812, now seen corresponding path program 1 times [2022-07-21 14:18:40,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:18:40,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195042775] [2022-07-21 14:18:40,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:18:40,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:18:41,505 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-21 14:18:41,505 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1577878491] [2022-07-21 14:18:41,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:18:41,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 14:18:41,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 14:18:41,508 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 14:18:41,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-21 14:18:46,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:18:46,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 26722 conjuncts, 20 conjunts are in the unsatisfiable core [2022-07-21 14:18:46,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:18:47,105 INFO L134 CoverageAnalysis]: Checked inductivity of 4914 backedges. 1484 proven. 0 refuted. 0 times theorem prover too weak. 3430 trivial. 0 not checked. [2022-07-21 14:18:47,106 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:18:47,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:18:47,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195042775] [2022-07-21 14:18:47,106 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-21 14:18:47,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1577878491] [2022-07-21 14:18:47,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1577878491] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:18:47,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:18:47,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-21 14:18:47,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481247182] [2022-07-21 14:18:47,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:18:47,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-21 14:18:47,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:18:47,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-21 14:18:47,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-21 14:18:47,110 INFO L87 Difference]: Start difference. First operand 9415 states and 13274 transitions. Second operand has 10 states, 10 states have (on average 41.8) internal successors, (418), 7 states have internal predecessors, (418), 2 states have call successors, (120), 2 states have call predecessors, (120), 5 states have return successors, (118), 5 states have call predecessors, (118), 2 states have call successors, (118) [2022-07-21 14:18:47,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:18:47,984 INFO L93 Difference]: Finished difference Result 18815 states and 27092 transitions. [2022-07-21 14:18:47,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-21 14:18:47,986 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 41.8) internal successors, (418), 7 states have internal predecessors, (418), 2 states have call successors, (120), 2 states have call predecessors, (120), 5 states have return successors, (118), 5 states have call predecessors, (118), 2 states have call successors, (118) Word has length 1085 [2022-07-21 14:18:47,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:18:48,073 INFO L225 Difference]: With dead ends: 18815 [2022-07-21 14:18:48,073 INFO L226 Difference]: Without dead ends: 9427 [2022-07-21 14:18:48,139 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1085 GetRequests, 1076 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-07-21 14:18:48,140 INFO L413 NwaCegarLoop]: 7349 mSDtfsCounter, 2 mSDsluCounter, 58726 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 66075 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-21 14:18:48,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 66075 Invalid, 111 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-21 14:18:48,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9427 states. [2022-07-21 14:18:48,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9427 to 9427. [2022-07-21 14:18:48,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9427 states, 6627 states have (on average 1.295608872793119) internal successors, (8586), 6866 states have internal predecessors, (8586), 2231 states have call successors, (2231), 566 states have call predecessors, (2231), 568 states have return successors, (2559), 2084 states have call predecessors, (2559), 2229 states have call successors, (2559) [2022-07-21 14:18:48,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9427 states to 9427 states and 13376 transitions. [2022-07-21 14:18:48,644 INFO L78 Accepts]: Start accepts. Automaton has 9427 states and 13376 transitions. Word has length 1085 [2022-07-21 14:18:48,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:18:48,646 INFO L495 AbstractCegarLoop]: Abstraction has 9427 states and 13376 transitions. [2022-07-21 14:18:48,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 41.8) internal successors, (418), 7 states have internal predecessors, (418), 2 states have call successors, (120), 2 states have call predecessors, (120), 5 states have return successors, (118), 5 states have call predecessors, (118), 2 states have call successors, (118) [2022-07-21 14:18:48,646 INFO L276 IsEmpty]: Start isEmpty. Operand 9427 states and 13376 transitions. [2022-07-21 14:18:48,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1088 [2022-07-21 14:18:48,700 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:18:48,701 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 14, 14, 8, 8, 5, 5, 4, 4, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:18:48,811 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-21 14:18:48,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 14:18:48,928 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:18:48,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:18:48,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1613806057, now seen corresponding path program 1 times [2022-07-21 14:18:48,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:18:48,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909889682] [2022-07-21 14:18:48,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:18:48,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:18:49,698 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-21 14:18:49,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [665249022] [2022-07-21 14:18:49,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:18:49,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 14:18:49,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 14:18:49,707 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 14:18:49,708 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-21 14:18:54,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:18:55,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 26729 conjuncts, 20 conjunts are in the unsatisfiable core [2022-07-21 14:18:55,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:18:55,185 INFO L134 CoverageAnalysis]: Checked inductivity of 4899 backedges. 1484 proven. 0 refuted. 0 times theorem prover too weak. 3415 trivial. 0 not checked. [2022-07-21 14:18:55,186 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:18:55,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:18:55,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909889682] [2022-07-21 14:18:55,186 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-21 14:18:55,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [665249022] [2022-07-21 14:18:55,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [665249022] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:18:55,186 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:18:55,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-21 14:18:55,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371459991] [2022-07-21 14:18:55,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:18:55,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-21 14:18:55,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:18:55,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-21 14:18:55,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-07-21 14:18:55,190 INFO L87 Difference]: Start difference. First operand 9427 states and 13376 transitions. Second operand has 10 states, 10 states have (on average 42.0) internal successors, (420), 7 states have internal predecessors, (420), 2 states have call successors, (121), 2 states have call predecessors, (121), 5 states have return successors, (119), 5 states have call predecessors, (119), 2 states have call successors, (119) [2022-07-21 14:18:55,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:18:55,901 INFO L93 Difference]: Finished difference Result 18837 states and 27384 transitions. [2022-07-21 14:18:55,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-21 14:18:55,903 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 42.0) internal successors, (420), 7 states have internal predecessors, (420), 2 states have call successors, (121), 2 states have call predecessors, (121), 5 states have return successors, (119), 5 states have call predecessors, (119), 2 states have call successors, (119) Word has length 1087 [2022-07-21 14:18:55,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:18:55,969 INFO L225 Difference]: With dead ends: 18837 [2022-07-21 14:18:55,970 INFO L226 Difference]: Without dead ends: 9437 [2022-07-21 14:18:56,013 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1087 GetRequests, 1078 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2022-07-21 14:18:56,014 INFO L413 NwaCegarLoop]: 7336 mSDtfsCounter, 1 mSDsluCounter, 58623 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 65959 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-21 14:18:56,015 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 65959 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-21 14:18:56,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9437 states. [2022-07-21 14:18:56,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9437 to 9427. [2022-07-21 14:18:56,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9427 states, 6627 states have (on average 1.295608872793119) internal successors, (8586), 6866 states have internal predecessors, (8586), 2231 states have call successors, (2231), 566 states have call predecessors, (2231), 568 states have return successors, (2559), 2084 states have call predecessors, (2559), 2229 states have call successors, (2559) [2022-07-21 14:18:56,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9427 states to 9427 states and 13376 transitions. [2022-07-21 14:18:56,519 INFO L78 Accepts]: Start accepts. Automaton has 9427 states and 13376 transitions. Word has length 1087 [2022-07-21 14:18:56,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:18:56,521 INFO L495 AbstractCegarLoop]: Abstraction has 9427 states and 13376 transitions. [2022-07-21 14:18:56,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 42.0) internal successors, (420), 7 states have internal predecessors, (420), 2 states have call successors, (121), 2 states have call predecessors, (121), 5 states have return successors, (119), 5 states have call predecessors, (119), 2 states have call successors, (119) [2022-07-21 14:18:56,521 INFO L276 IsEmpty]: Start isEmpty. Operand 9427 states and 13376 transitions. [2022-07-21 14:18:56,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1088 [2022-07-21 14:18:56,585 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:18:56,586 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 14, 14, 8, 8, 5, 5, 4, 4, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:18:56,709 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-07-21 14:18:56,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 14:18:56,800 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:18:56,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:18:56,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1611971691, now seen corresponding path program 1 times [2022-07-21 14:18:56,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:18:56,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880240508] [2022-07-21 14:18:56,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:18:56,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:18:57,610 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-21 14:18:57,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [799360338] [2022-07-21 14:18:57,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:18:57,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 14:18:57,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 14:18:57,613 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 14:18:57,614 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-07-21 14:19:07,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:19:07,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 26726 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-21 14:19:07,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:19:07,990 INFO L134 CoverageAnalysis]: Checked inductivity of 4899 backedges. 1526 proven. 0 refuted. 0 times theorem prover too weak. 3373 trivial. 0 not checked. [2022-07-21 14:19:07,991 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:19:07,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:19:07,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880240508] [2022-07-21 14:19:07,991 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-21 14:19:07,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [799360338] [2022-07-21 14:19:07,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [799360338] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:19:07,992 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:19:07,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:19:07,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591697462] [2022-07-21 14:19:07,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:19:07,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:19:07,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:19:07,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:19:07,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:19:07,995 INFO L87 Difference]: Start difference. First operand 9427 states and 13376 transitions. Second operand has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 2 states have call successors, (121), 2 states have call predecessors, (121), 2 states have return successors, (119), 2 states have call predecessors, (119), 2 states have call successors, (119) [2022-07-21 14:19:08,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:19:08,267 INFO L93 Difference]: Finished difference Result 18839 states and 27302 transitions. [2022-07-21 14:19:08,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:19:08,267 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 2 states have call successors, (121), 2 states have call predecessors, (121), 2 states have return successors, (119), 2 states have call predecessors, (119), 2 states have call successors, (119) Word has length 1087 [2022-07-21 14:19:08,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:19:08,326 INFO L225 Difference]: With dead ends: 18839 [2022-07-21 14:19:08,326 INFO L226 Difference]: Without dead ends: 9439 [2022-07-21 14:19:08,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1086 GetRequests, 1085 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:19:08,372 INFO L413 NwaCegarLoop]: 7330 mSDtfsCounter, 10 mSDsluCounter, 7319 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 14649 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 14:19:08,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 14649 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 14:19:08,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9439 states. [2022-07-21 14:19:08,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9439 to 9429. [2022-07-21 14:19:08,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9429 states, 6629 states have (on average 1.2955196862271836) internal successors, (8588), 6868 states have internal predecessors, (8588), 2231 states have call successors, (2231), 566 states have call predecessors, (2231), 568 states have return successors, (2559), 2084 states have call predecessors, (2559), 2229 states have call successors, (2559) [2022-07-21 14:19:08,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9429 states to 9429 states and 13378 transitions. [2022-07-21 14:19:08,705 INFO L78 Accepts]: Start accepts. Automaton has 9429 states and 13378 transitions. Word has length 1087 [2022-07-21 14:19:08,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:19:08,708 INFO L495 AbstractCegarLoop]: Abstraction has 9429 states and 13378 transitions. [2022-07-21 14:19:08,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 2 states have call successors, (121), 2 states have call predecessors, (121), 2 states have return successors, (119), 2 states have call predecessors, (119), 2 states have call successors, (119) [2022-07-21 14:19:08,709 INFO L276 IsEmpty]: Start isEmpty. Operand 9429 states and 13378 transitions. [2022-07-21 14:19:08,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1157 [2022-07-21 14:19:08,769 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:19:08,769 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 8, 8, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:19:08,919 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-07-21 14:19:09,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-07-21 14:19:09,062 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:19:09,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:19:09,063 INFO L85 PathProgramCache]: Analyzing trace with hash 712410492, now seen corresponding path program 1 times [2022-07-21 14:19:09,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:19:09,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978104954] [2022-07-21 14:19:09,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:19:09,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:19:09,686 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-21 14:19:09,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1519929000] [2022-07-21 14:19:09,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:19:09,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 14:19:09,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 14:19:09,689 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 14:19:09,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-07-21 14:19:14,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:19:14,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 26925 conjuncts, 23 conjunts are in the unsatisfiable core [2022-07-21 14:19:14,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:19:15,082 INFO L134 CoverageAnalysis]: Checked inductivity of 5099 backedges. 1622 proven. 0 refuted. 0 times theorem prover too weak. 3477 trivial. 0 not checked. [2022-07-21 14:19:15,083 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:19:15,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 14:19:15,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978104954] [2022-07-21 14:19:15,083 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-21 14:19:15,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1519929000] [2022-07-21 14:19:15,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1519929000] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:19:15,084 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:19:15,084 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 14:19:15,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194977791] [2022-07-21 14:19:15,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:19:15,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 14:19:15,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 14:19:15,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 14:19:15,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-21 14:19:15,088 INFO L87 Difference]: Start difference. First operand 9429 states and 13378 transitions. Second operand has 8 states, 7 states have (on average 62.714285714285715) internal successors, (439), 6 states have internal predecessors, (439), 3 states have call successors, (132), 2 states have call predecessors, (132), 3 states have return successors, (130), 4 states have call predecessors, (130), 3 states have call successors, (130) [2022-07-21 14:19:16,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:19:16,525 INFO L93 Difference]: Finished difference Result 18851 states and 27326 transitions. [2022-07-21 14:19:16,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 14:19:16,526 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 62.714285714285715) internal successors, (439), 6 states have internal predecessors, (439), 3 states have call successors, (132), 2 states have call predecessors, (132), 3 states have return successors, (130), 4 states have call predecessors, (130), 3 states have call successors, (130) Word has length 1156 [2022-07-21 14:19:16,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:19:16,609 INFO L225 Difference]: With dead ends: 18851 [2022-07-21 14:19:16,609 INFO L226 Difference]: Without dead ends: 9449 [2022-07-21 14:19:16,669 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1159 GetRequests, 1149 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2022-07-21 14:19:16,669 INFO L413 NwaCegarLoop]: 7203 mSDtfsCounter, 12 mSDsluCounter, 43038 mSDsCounter, 0 mSdLazyCounter, 1128 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 50241 SdHoareTripleChecker+Invalid, 1137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-21 14:19:16,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 50241 Invalid, 1137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1128 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-21 14:19:16,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9449 states. [2022-07-21 14:19:17,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9449 to 9435. [2022-07-21 14:19:17,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9435 states, 6633 states have (on average 1.2953414744459522) internal successors, (8592), 6870 states have internal predecessors, (8592), 2233 states have call successors, (2233), 566 states have call predecessors, (2233), 568 states have return successors, (2561), 2086 states have call predecessors, (2561), 2231 states have call successors, (2561) [2022-07-21 14:19:17,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9435 states to 9435 states and 13386 transitions. [2022-07-21 14:19:17,219 INFO L78 Accepts]: Start accepts. Automaton has 9435 states and 13386 transitions. Word has length 1156 [2022-07-21 14:19:17,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:19:17,220 INFO L495 AbstractCegarLoop]: Abstraction has 9435 states and 13386 transitions. [2022-07-21 14:19:17,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 62.714285714285715) internal successors, (439), 6 states have internal predecessors, (439), 3 states have call successors, (132), 2 states have call predecessors, (132), 3 states have return successors, (130), 4 states have call predecessors, (130), 3 states have call successors, (130) [2022-07-21 14:19:17,220 INFO L276 IsEmpty]: Start isEmpty. Operand 9435 states and 13386 transitions. [2022-07-21 14:19:17,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1163 [2022-07-21 14:19:17,275 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:19:17,276 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 8, 8, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:19:17,380 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-07-21 14:19:17,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 14:19:17,492 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_drivers_clk1__more_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 14:19:17,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:19:17,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1317500960, now seen corresponding path program 1 times [2022-07-21 14:19:17,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 14:19:17,493 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594126663] [2022-07-21 14:19:17,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:19:17,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 14:19:18,136 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-21 14:19:18,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [456087029] [2022-07-21 14:19:18,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:19:18,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 14:19:18,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 14:19:18,139 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-21 14:19:18,140 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process