./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-ldv_main0.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e19ca921 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-ldv_main0.cil.out.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 3f6913532a755844f996d9829f52a3e3b688eef2b6253ebf9e48902f9dc25d55 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 14:33:44,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 14:33:44,841 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 14:33:44,858 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 14:33:44,858 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 14:33:44,859 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 14:33:44,860 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 14:33:44,861 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 14:33:44,862 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 14:33:44,863 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 14:33:44,863 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 14:33:44,864 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 14:33:44,865 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 14:33:44,865 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 14:33:44,866 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 14:33:44,867 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 14:33:44,867 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 14:33:44,868 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 14:33:44,869 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 14:33:44,870 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 14:33:44,871 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 14:33:44,872 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 14:33:44,873 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 14:33:44,873 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 14:33:44,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 14:33:44,875 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 14:33:44,875 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 14:33:44,876 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 14:33:44,876 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 14:33:44,877 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 14:33:44,877 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 14:33:44,878 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 14:33:44,878 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 14:33:44,879 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 14:33:44,879 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 14:33:44,880 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 14:33:44,880 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 14:33:44,880 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 14:33:44,881 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 14:33:44,881 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 14:33:44,882 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 14:33:44,882 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 14:33:44,895 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 14:33:44,896 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 14:33:44,896 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 14:33:44,896 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 14:33:44,897 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 14:33:44,897 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 14:33:44,897 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 14:33:44,897 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 14:33:44,898 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 14:33:44,898 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 14:33:44,898 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 14:33:44,899 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 14:33:44,899 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 14:33:44,899 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 14:33:44,899 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 14:33:44,899 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 14:33:44,899 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 14:33:44,899 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 14:33:44,899 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 14:33:44,900 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 14:33:44,900 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 14:33:44,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:33:44,900 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 14:33:44,900 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 14:33:44,900 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 14:33:44,900 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 14:33:44,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 14:33:44,901 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 14:33:44,901 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 14:33:44,901 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 14:33:44,901 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 14:33:44,901 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f6913532a755844f996d9829f52a3e3b688eef2b6253ebf9e48902f9dc25d55 [2021-12-22 14:33:45,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 14:33:45,126 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 14:33:45,127 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 14:33:45,128 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 14:33:45,130 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 14:33:45,131 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-ldv_main0.cil.out.i [2021-12-22 14:33:45,170 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46623f802/09e928549f5f4c1dafdffa5ed9b90953/FLAG56e6fbd08 [2021-12-22 14:33:45,822 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 14:33:45,822 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-ldv_main0.cil.out.i [2021-12-22 14:33:45,867 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46623f802/09e928549f5f4c1dafdffa5ed9b90953/FLAG56e6fbd08 [2021-12-22 14:33:45,959 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46623f802/09e928549f5f4c1dafdffa5ed9b90953 [2021-12-22 14:33:45,961 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 14:33:45,963 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 14:33:45,965 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 14:33:45,965 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 14:33:45,967 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 14:33:45,967 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:33:45" (1/1) ... [2021-12-22 14:33:45,968 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f533683 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:33:45, skipping insertion in model container [2021-12-22 14:33:45,968 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:33:45" (1/1) ... [2021-12-22 14:33:45,972 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 14:33:46,113 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 14:33:49,418 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-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-ldv_main0.cil.out.i[502624,502637] [2021-12-22 14:33:49,510 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:33:49,581 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 14:33:49,929 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-consumption/linux-3.8-rc1-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-ldv_main0.cil.out.i[502624,502637] [2021-12-22 14:33:49,940 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:33:50,153 INFO L208 MainTranslator]: Completed translation [2021-12-22 14:33:50,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:33:50 WrapperNode [2021-12-22 14:33:50,155 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 14:33:50,156 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 14:33:50,156 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 14:33:50,156 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 14:33:50,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:33:50" (1/1) ... [2021-12-22 14:33:50,306 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:33:50" (1/1) ... [2021-12-22 14:33:50,557 INFO L137 Inliner]: procedures = 567, calls = 7123, calls flagged for inlining = 254, calls inlined = 183, statements flattened = 10378 [2021-12-22 14:33:50,558 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 14:33:50,559 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 14:33:50,560 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 14:33:50,560 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 14:33:50,566 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:33:50" (1/1) ... [2021-12-22 14:33:50,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:33:50" (1/1) ... [2021-12-22 14:33:50,629 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:33:50" (1/1) ... [2021-12-22 14:33:50,630 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:33:50" (1/1) ... [2021-12-22 14:33:50,733 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:33:50" (1/1) ... [2021-12-22 14:33:50,857 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:33:50" (1/1) ... [2021-12-22 14:33:50,918 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:33:50" (1/1) ... [2021-12-22 14:33:50,956 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 14:33:50,969 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 14:33:50,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 14:33:50,970 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 14:33:50,971 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:33:50" (1/1) ... [2021-12-22 14:33:50,976 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:33:50,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:33:51,010 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-22 14:33:51,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-22 14:33:51,062 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-22 14:33:51,062 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-22 14:33:51,062 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-12-22 14:33:51,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-12-22 14:33:51,062 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-22 14:33:51,062 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-22 14:33:51,062 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-22 14:33:51,062 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_irq [2021-12-22 14:33:51,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_irq [2021-12-22 14:33:51,062 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-12-22 14:33:51,063 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-12-22 14:33:51,063 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-12-22 14:33:51,063 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-12-22 14:33:51,063 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_completion_interrupt [2021-12-22 14:33:51,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_completion_interrupt [2021-12-22 14:33:51,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 14:33:51,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 14:33:51,063 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg [2021-12-22 14:33:51,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg [2021-12-22 14:33:51,063 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_reset [2021-12-22 14:33:51,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_reset [2021-12-22 14:33:51,063 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2021-12-22 14:33:51,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2021-12-22 14:33:51,063 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-22 14:33:51,063 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-22 14:33:51,063 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_send [2021-12-22 14:33:51,064 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_send [2021-12-22 14:33:51,064 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-12-22 14:33:51,064 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-12-22 14:33:51,064 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-22 14:33:51,064 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-22 14:33:51,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-22 14:33:51,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-22 14:33:51,064 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2021-12-22 14:33:51,064 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2021-12-22 14:33:51,064 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-22 14:33:51,064 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-22 14:33:51,064 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-22 14:33:51,064 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-22 14:33:51,064 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-22 14:33:51,064 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-22 14:33:51,064 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_regs_len [2021-12-22 14:33:51,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_regs_len [2021-12-22 14:33:51,065 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-22 14:33:51,065 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-22 14:33:51,065 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2021-12-22 14:33:51,065 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2021-12-22 14:33:51,065 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_all [2021-12-22 14:33:51,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_all [2021-12-22 14:33:51,065 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mailbox_command [2021-12-22 14:33:51,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mailbox_command [2021-12-22 14:33:51,065 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-22 14:33:51,065 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-22 14:33:51,065 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_irq_mask [2021-12-22 14:33:51,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_irq_mask [2021-12-22 14:33:51,065 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-22 14:33:51,065 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-22 14:33:51,065 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-22 14:33:51,065 INFO L130 BoogieDeclarations]: Found specification of procedure __qlge_vlan_rx_add_vid [2021-12-22 14:33:51,066 INFO L138 BoogieDeclarations]: Found implementation of procedure __qlge_vlan_rx_add_vid [2021-12-22 14:33:51,066 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-22 14:33:51,066 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-22 14:33:51,066 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-22 14:33:51,066 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-22 14:33:51,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 14:33:51,066 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-22 14:33:51,066 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-22 14:33:51,066 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_asic_error [2021-12-22 14:33:51,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_asic_error [2021-12-22 14:33:51,066 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_buffer_queues [2021-12-22 14:33:51,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_buffer_queues [2021-12-22 14:33:51,066 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_mem_resources [2021-12-22 14:33:51,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_mem_resources [2021-12-22 14:33:51,066 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_xgmac_reg [2021-12-22 14:33:51,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_xgmac_reg [2021-12-22 14:33:51,067 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-22 14:33:51,067 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-22 14:33:51,067 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2021-12-22 14:33:51,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2021-12-22 14:33:51,067 INFO L130 BoogieDeclarations]: Found specification of procedure ql_eeh_close [2021-12-22 14:33:51,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_eeh_close [2021-12-22 14:33:51,067 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-22 14:33:51,067 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-22 14:33:51,067 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr_reg [2021-12-22 14:33:51,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr_reg [2021-12-22 14:33:51,067 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-22 14:33:51,067 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-22 14:33:51,067 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-12-22 14:33:51,067 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-12-22 14:33:51,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 14:33:51,067 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-12-22 14:33:51,067 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-12-22 14:33:51,068 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-22 14:33:51,068 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-22 14:33:51,068 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-22 14:33:51,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-22 14:33:51,068 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_close [2021-12-22 14:33:51,068 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_close [2021-12-22 14:33:51,068 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mb_sts [2021-12-22 14:33:51,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mb_sts [2021-12-22 14:33:51,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 14:33:51,068 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_open [2021-12-22 14:33:51,068 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_open [2021-12-22 14:33:51,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-12-22 14:33:51,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-12-22 14:33:51,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 14:33:51,070 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-22 14:33:51,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-22 14:33:51,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 14:33:51,070 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 14:33:51,070 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-22 14:33:51,070 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-22 14:33:51,070 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2021-12-22 14:33:51,070 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2021-12-22 14:33:51,071 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_buffers [2021-12-22 14:33:51,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_buffers [2021-12-22 14:33:51,071 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-12-22 14:33:51,071 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-12-22 14:33:51,071 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-22 14:33:51,071 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-22 14:33:51,071 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write32 [2021-12-22 14:33:51,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write32 [2021-12-22 14:33:51,072 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cam_route_initialize [2021-12-22 14:33:51,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cam_route_initialize [2021-12-22 14:33:51,072 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-22 14:33:51,072 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-22 14:33:51,072 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-22 14:33:51,072 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-22 14:33:51,072 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2021-12-22 14:33:51,073 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2021-12-22 14:33:51,073 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_trylock [2021-12-22 14:33:51,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_trylock [2021-12-22 14:33:51,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 14:33:51,073 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_mpi_reg [2021-12-22 14:33:51,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_mpi_reg [2021-12-22 14:33:51,073 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2021-12-22 14:33:51,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2021-12-22 14:33:51,073 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2021-12-22 14:33:51,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2021-12-22 14:33:51,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 14:33:51,074 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-22 14:33:51,074 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-22 14:33:51,074 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-22 14:33:51,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-22 14:33:51,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 14:33:51,074 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-22 14:33:51,074 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2021-12-22 14:33:51,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2021-12-22 14:33:51,075 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8012_flash_params [2021-12-22 14:33:51,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8012_flash_params [2021-12-22 14:33:51,075 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-22 14:33:51,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-22 14:33:51,075 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-22 14:33:51,075 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-22 14:33:51,075 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-22 14:33:51,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-22 14:33:51,076 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_completion_interrupt [2021-12-22 14:33:51,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_completion_interrupt [2021-12-22 14:33:51,076 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-22 14:33:51,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-22 14:33:51,076 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clear_routing_entries [2021-12-22 14:33:51,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clear_routing_entries [2021-12-22 14:33:51,076 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-22 14:33:51,076 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-22 14:33:51,076 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_off [2021-12-22 14:33:51,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_off [2021-12-22 14:33:51,077 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-22 14:33:51,077 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-22 14:33:51,077 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-22 14:33:51,077 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-22 14:33:51,077 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8000_port_initialize [2021-12-22 14:33:51,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8000_port_initialize [2021-12-22 14:33:51,077 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-12-22 14:33:51,077 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-12-22 14:33:51,078 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-22 14:33:51,078 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-22 14:33:51,078 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-22 14:33:51,078 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-22 14:33:51,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mpi_mutex_of_ql_adapter [2021-12-22 14:33:51,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mpi_mutex_of_ql_adapter [2021-12-22 14:33:51,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 14:33:51,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 14:33:51,078 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8012_port_initialize [2021-12-22 14:33:51,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8012_port_initialize [2021-12-22 14:33:51,079 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-22 14:33:51,079 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-22 14:33:51,079 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_flash_word [2021-12-22 14:33:51,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_flash_word [2021-12-22 14:33:51,079 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_subqueue [2021-12-22 14:33:51,079 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_subqueue [2021-12-22 14:33:51,079 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-22 14:33:51,080 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-22 14:33:51,080 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_adapter_resources [2021-12-22 14:33:51,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_adapter_resources [2021-12-22 14:33:51,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 14:33:51,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 14:33:51,080 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2021-12-22 14:33:51,080 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2021-12-22 14:33:51,080 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-12-22 14:33:51,080 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-12-22 14:33:51,081 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-22 14:33:51,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-22 14:33:51,081 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_resources [2021-12-22 14:33:51,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_resources [2021-12-22 14:33:51,081 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-22 14:33:51,081 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-22 14:33:51,081 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-22 14:33:51,081 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-22 14:33:51,081 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-22 14:33:51,082 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-22 14:33:51,082 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2021-12-22 14:33:51,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2021-12-22 14:33:51,082 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-22 14:33:51,082 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-22 14:33:51,082 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-22 14:33:51,082 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_on [2021-12-22 14:33:51,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_on [2021-12-22 14:33:51,082 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_multicast_list [2021-12-22 14:33:51,083 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_multicast_list [2021-12-22 14:33:51,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mpi_mutex_of_ql_adapter [2021-12-22 14:33:51,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mpi_mutex_of_ql_adapter [2021-12-22 14:33:51,083 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-22 14:33:51,083 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-22 14:33:51,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-22 14:33:51,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-22 14:33:51,083 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-12-22 14:33:51,083 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-12-22 14:33:51,084 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-22 14:33:51,084 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-22 14:33:51,084 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-12-22 14:33:51,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-12-22 14:33:51,084 INFO L130 BoogieDeclarations]: Found specification of procedure ql_tx_ring_clean [2021-12-22 14:33:51,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_tx_ring_clean [2021-12-22 14:33:51,084 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-22 14:33:51,084 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-22 14:33:51,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 14:33:51,085 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 14:33:51,085 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_mpi_reg [2021-12-22 14:33:51,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_mpi_reg [2021-12-22 14:33:51,085 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-22 14:33:51,085 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-22 14:33:51,085 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-22 14:33:51,085 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-22 14:33:51,085 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-22 14:33:51,085 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-22 14:33:51,086 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_subqueue [2021-12-22 14:33:51,086 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_subqueue [2021-12-22 14:33:51,086 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-22 14:33:51,086 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-22 14:33:51,086 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-22 14:33:51,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-22 14:33:51,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 14:33:51,086 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-22 14:33:51,086 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-22 14:33:51,087 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-22 14:33:51,087 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-22 14:33:51,087 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-22 14:33:51,087 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-22 14:33:51,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 14:33:51,087 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2021-12-22 14:33:51,087 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2021-12-22 14:33:51,087 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_suspend [2021-12-22 14:33:51,088 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_suspend [2021-12-22 14:33:51,088 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-12-22 14:33:51,088 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-12-22 14:33:51,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 14:33:51,088 INFO L130 BoogieDeclarations]: Found specification of procedure ql_validate_flash [2021-12-22 14:33:51,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_validate_flash [2021-12-22 14:33:51,088 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-22 14:33:51,088 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-22 14:33:51,088 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cancel_all_work_sync [2021-12-22 14:33:51,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cancel_all_work_sync [2021-12-22 14:33:51,089 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-22 14:33:51,089 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-22 14:33:51,089 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-22 14:33:51,089 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-22 14:33:51,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-12-22 14:33:51,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-12-22 14:33:51,089 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8000_flash_params [2021-12-22 14:33:51,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8000_flash_params [2021-12-22 14:33:51,089 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-12-22 14:33:51,090 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-12-22 14:33:51,090 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2021-12-22 14:33:51,090 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2021-12-22 14:33:51,090 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-22 14:33:51,090 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-22 14:33:51,090 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-22 14:33:51,090 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-22 14:33:51,090 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-22 14:33:51,090 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-22 14:33:51,091 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_initialize [2021-12-22 14:33:51,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_initialize [2021-12-22 14:33:51,091 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-12-22 14:33:51,091 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-12-22 14:33:51,091 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-12-22 14:33:51,091 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-12-22 14:33:51,091 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-22 14:33:51,091 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-22 14:33:51,091 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-22 14:33:51,092 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-22 14:33:51,092 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_db_reg [2021-12-22 14:33:51,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_db_reg [2021-12-22 14:33:51,092 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 14:33:51,092 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 14:33:51,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 14:33:51,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 14:33:51,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 14:33:51,092 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2021-12-22 14:33:51,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2021-12-22 14:33:51,093 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-22 14:33:51,093 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-22 14:33:51,093 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-22 14:33:51,093 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-22 14:33:51,093 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_fw_error [2021-12-22 14:33:51,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_fw_error [2021-12-22 14:33:51,093 INFO L130 BoogieDeclarations]: Found specification of procedure ql_unmap_send [2021-12-22 14:33:51,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_unmap_send [2021-12-22 14:33:51,093 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-22 14:33:51,094 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-22 14:33:51,094 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_handler [2021-12-22 14:33:51,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_handler [2021-12-22 14:33:51,094 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-22 14:33:51,094 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-22 14:33:51,094 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_mgmnt_traffic_ctl [2021-12-22 14:33:51,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_mgmnt_traffic_ctl [2021-12-22 14:33:51,094 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_reg_rdy [2021-12-22 14:33:51,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_reg_rdy [2021-12-22 14:33:51,095 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_routing_reg [2021-12-22 14:33:51,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_routing_reg [2021-12-22 14:33:51,095 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-22 14:33:51,095 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-22 14:33:51,095 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-22 14:33:51,095 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-22 14:33:51,095 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cfg [2021-12-22 14:33:51,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cfg [2021-12-22 14:33:51,095 INFO L130 BoogieDeclarations]: Found specification of procedure ql_lbq_block_size [2021-12-22 14:33:51,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_lbq_block_size [2021-12-22 14:33:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-22 14:33:51,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-22 14:33:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-22 14:33:51,096 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-22 14:33:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure netif_get_num_default_rss_queues [2021-12-22 14:33:51,096 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_get_num_default_rss_queues [2021-12-22 14:33:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_cfg [2021-12-22 14:33:51,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_cfg [2021-12-22 14:33:51,097 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-22 14:33:51,097 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-22 14:33:51,097 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-22 14:33:51,097 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-22 14:33:51,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 14:33:51,097 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read32 [2021-12-22 14:33:51,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read32 [2021-12-22 14:33:51,097 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2021-12-22 14:33:51,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2021-12-22 14:33:51,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-22 14:33:51,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-22 14:33:51,098 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2021-12-22 14:33:51,098 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2021-12-22 14:33:51,098 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2021-12-22 14:33:51,098 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2021-12-22 14:33:51,098 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_resume [2021-12-22 14:33:51,098 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_resume [2021-12-22 14:33:51,914 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 14:33:51,917 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 14:34:03,908 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 14:34:03,932 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 14:34:03,932 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-22 14:34:03,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:34:03 BoogieIcfgContainer [2021-12-22 14:34:03,935 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 14:34:03,938 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 14:34:03,938 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 14:34:03,941 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 14:34:03,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 02:33:45" (1/3) ... [2021-12-22 14:34:03,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@739cb23a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:34:03, skipping insertion in model container [2021-12-22 14:34:03,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:33:50" (2/3) ... [2021-12-22 14:34:03,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@739cb23a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:34:03, skipping insertion in model container [2021-12-22 14:34:03,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:34:03" (3/3) ... [2021-12-22 14:34:03,944 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-ldv_main0.cil.out.i [2021-12-22 14:34:03,947 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 14:34:03,947 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 14:34:03,990 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 14:34:04,002 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-22 14:34:04,002 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 14:34:04,054 INFO L276 IsEmpty]: Start isEmpty. Operand has 3121 states, 2200 states have (on average 1.345) internal successors, (2959), 2245 states have internal predecessors, (2959), 748 states have call successors, (748), 171 states have call predecessors, (748), 171 states have return successors, (748), 740 states have call predecessors, (748), 748 states have call successors, (748) [2021-12-22 14:34:04,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-12-22 14:34:04,061 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:34:04,062 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 14:34:04,062 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:34:04,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:34:04,066 INFO L85 PathProgramCache]: Analyzing trace with hash -86894888, now seen corresponding path program 1 times [2021-12-22 14:34:04,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:34:04,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314734294] [2021-12-22 14:34:04,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:34:04,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:34:04,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:34:04,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:34:04,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:34:04,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:34:04,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:34:04,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 14:34:04,756 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:34:04,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [314734294] [2021-12-22 14:34:04,756 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [314734294] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:34:04,757 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:34:04,757 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 14:34:04,758 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679890212] [2021-12-22 14:34:04,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:34:04,762 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 14:34:04,762 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:34:04,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 14:34:04,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 14:34:04,789 INFO L87 Difference]: Start difference. First operand has 3121 states, 2200 states have (on average 1.345) internal successors, (2959), 2245 states have internal predecessors, (2959), 748 states have call successors, (748), 171 states have call predecessors, (748), 171 states have return successors, (748), 740 states have call predecessors, (748), 748 states have call successors, (748) Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-22 14:34:09,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:34:09,200 INFO L93 Difference]: Finished difference Result 6598 states and 9535 transitions. [2021-12-22 14:34:09,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 14:34:09,202 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 17 [2021-12-22 14:34:09,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:34:09,241 INFO L225 Difference]: With dead ends: 6598 [2021-12-22 14:34:09,241 INFO L226 Difference]: Without dead ends: 3473 [2021-12-22 14:34:09,259 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 14:34:09,262 INFO L933 BasicCegarLoop]: 3701 mSDtfsCounter, 5897 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 1689 mSolverCounterSat, 2421 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6174 SdHoareTripleChecker+Valid, 4246 SdHoareTripleChecker+Invalid, 4110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2421 IncrementalHoareTripleChecker+Valid, 1689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-12-22 14:34:09,264 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6174 Valid, 4246 Invalid, 4110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2421 Valid, 1689 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2021-12-22 14:34:09,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3473 states. [2021-12-22 14:34:09,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3473 to 3104. [2021-12-22 14:34:09,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3104 states, 2187 states have (on average 1.3415637860082306) internal successors, (2934), 2229 states have internal predecessors, (2934), 747 states have call successors, (747), 171 states have call predecessors, (747), 169 states have return successors, (742), 734 states have call predecessors, (742), 742 states have call successors, (742) [2021-12-22 14:34:09,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3104 states to 3104 states and 4423 transitions. [2021-12-22 14:34:09,433 INFO L78 Accepts]: Start accepts. Automaton has 3104 states and 4423 transitions. Word has length 17 [2021-12-22 14:34:09,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:34:09,433 INFO L470 AbstractCegarLoop]: Abstraction has 3104 states and 4423 transitions. [2021-12-22 14:34:09,434 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-22 14:34:09,434 INFO L276 IsEmpty]: Start isEmpty. Operand 3104 states and 4423 transitions. [2021-12-22 14:34:09,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-12-22 14:34:09,437 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:34:09,437 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 14:34:09,437 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 14:34:09,437 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:34:09,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:34:09,438 INFO L85 PathProgramCache]: Analyzing trace with hash 1598856956, now seen corresponding path program 1 times [2021-12-22 14:34:09,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:34:09,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114133469] [2021-12-22 14:34:09,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:34:09,439 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:34:09,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:34:09,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:34:09,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:34:09,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:34:09,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:34:09,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 14:34:09,735 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:34:09,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114133469] [2021-12-22 14:34:09,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114133469] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:34:09,736 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:34:09,736 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 14:34:09,736 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127547810] [2021-12-22 14:34:09,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:34:09,737 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 14:34:09,737 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:34:09,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 14:34:09,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 14:34:09,739 INFO L87 Difference]: Start difference. First operand 3104 states and 4423 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-22 14:34:13,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:34:13,703 INFO L93 Difference]: Finished difference Result 3390 states and 4822 transitions. [2021-12-22 14:34:13,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 14:34:13,704 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 18 [2021-12-22 14:34:13,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:34:13,719 INFO L225 Difference]: With dead ends: 3390 [2021-12-22 14:34:13,719 INFO L226 Difference]: Without dead ends: 3386 [2021-12-22 14:34:13,723 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 14:34:13,725 INFO L933 BasicCegarLoop]: 3791 mSDtfsCounter, 5386 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 1741 mSolverCounterSat, 2305 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5660 SdHoareTripleChecker+Valid, 4399 SdHoareTripleChecker+Invalid, 4046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2305 IncrementalHoareTripleChecker+Valid, 1741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2021-12-22 14:34:13,725 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5660 Valid, 4399 Invalid, 4046 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2305 Valid, 1741 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2021-12-22 14:34:13,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3386 states. [2021-12-22 14:34:13,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3386 to 3384. [2021-12-22 14:34:13,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3384 states, 2381 states have (on average 1.3460730785384292) internal successors, (3205), 2423 states have internal predecessors, (3205), 807 states have call successors, (807), 197 states have call predecessors, (807), 195 states have return successors, (804), 795 states have call predecessors, (804), 804 states have call successors, (804) [2021-12-22 14:34:13,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3384 states to 3384 states and 4816 transitions. [2021-12-22 14:34:13,840 INFO L78 Accepts]: Start accepts. Automaton has 3384 states and 4816 transitions. Word has length 18 [2021-12-22 14:34:13,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:34:13,840 INFO L470 AbstractCegarLoop]: Abstraction has 3384 states and 4816 transitions. [2021-12-22 14:34:13,840 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-22 14:34:13,841 INFO L276 IsEmpty]: Start isEmpty. Operand 3384 states and 4816 transitions. [2021-12-22 14:34:13,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-12-22 14:34:13,841 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:34:13,841 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 14:34:13,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 14:34:13,842 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:34:13,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:34:13,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1977405861, now seen corresponding path program 1 times [2021-12-22 14:34:13,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:34:13,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844004965] [2021-12-22 14:34:13,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:34:13,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:34:14,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:34:14,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:34:14,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:34:14,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:34:14,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:34:14,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 14:34:14,288 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:34:14,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844004965] [2021-12-22 14:34:14,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844004965] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:34:14,288 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:34:14,288 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 14:34:14,288 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432124042] [2021-12-22 14:34:14,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:34:14,289 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-22 14:34:14,289 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:34:14,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-22 14:34:14,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-22 14:34:14,289 INFO L87 Difference]: Start difference. First operand 3384 states and 4816 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-22 14:34:18,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:34:18,988 INFO L93 Difference]: Finished difference Result 3755 states and 5384 transitions. [2021-12-22 14:34:18,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-22 14:34:18,989 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 19 [2021-12-22 14:34:18,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:34:19,002 INFO L225 Difference]: With dead ends: 3755 [2021-12-22 14:34:19,002 INFO L226 Difference]: Without dead ends: 3744 [2021-12-22 14:34:19,003 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-22 14:34:19,004 INFO L933 BasicCegarLoop]: 3706 mSDtfsCounter, 5828 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 1685 mSolverCounterSat, 2401 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6102 SdHoareTripleChecker+Valid, 4248 SdHoareTripleChecker+Invalid, 4086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2401 IncrementalHoareTripleChecker+Valid, 1685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2021-12-22 14:34:19,004 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6102 Valid, 4248 Invalid, 4086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2401 Valid, 1685 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2021-12-22 14:34:19,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3744 states. [2021-12-22 14:34:19,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3744 to 3375. [2021-12-22 14:34:19,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3375 states, 2375 states have (on average 1.3448421052631578) internal successors, (3194), 2416 states have internal predecessors, (3194), 804 states have call successors, (804), 196 states have call predecessors, (804), 195 states have return successors, (803), 794 states have call predecessors, (803), 803 states have call successors, (803) [2021-12-22 14:34:19,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3375 states to 3375 states and 4801 transitions. [2021-12-22 14:34:19,085 INFO L78 Accepts]: Start accepts. Automaton has 3375 states and 4801 transitions. Word has length 19 [2021-12-22 14:34:19,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:34:19,085 INFO L470 AbstractCegarLoop]: Abstraction has 3375 states and 4801 transitions. [2021-12-22 14:34:19,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2021-12-22 14:34:19,086 INFO L276 IsEmpty]: Start isEmpty. Operand 3375 states and 4801 transitions. [2021-12-22 14:34:19,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-12-22 14:34:19,097 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:34:19,097 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-12-22 14:34:19,097 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 14:34:19,097 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:34:19,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:34:19,098 INFO L85 PathProgramCache]: Analyzing trace with hash -36426860, now seen corresponding path program 1 times [2021-12-22 14:34:19,098 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:34:19,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036729356] [2021-12-22 14:34:19,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:34:19,099 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:34:19,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:34:19,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:34:19,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:34:19,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-22 14:34:19,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:34:19,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 14:34:19,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:34:19,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-22 14:34:19,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:34:19,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:34:19,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:34:19,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-22 14:34:19,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:34:19,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-22 14:34:19,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:34:19,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:34:19,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:34:19,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-22 14:34:19,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:34:19,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-22 14:34:19,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:34:19,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:34:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:34:19,509 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-12-22 14:34:19,509 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:34:19,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036729356] [2021-12-22 14:34:19,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036729356] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:34:19,510 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:34:19,510 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 14:34:19,510 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517325531] [2021-12-22 14:34:19,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:34:19,511 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 14:34:19,511 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:34:19,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 14:34:19,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-22 14:34:19,512 INFO L87 Difference]: Start difference. First operand 3375 states and 4801 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (14), 6 states have call predecessors, (14), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-22 14:34:29,786 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:34:31,815 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:34:34,028 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:34:35,465 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:34:38,090 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-22 14:34:41,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:34:41,326 INFO L93 Difference]: Finished difference Result 4288 states and 6288 transitions. [2021-12-22 14:34:41,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-22 14:34:41,326 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (14), 6 states have call predecessors, (14), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 78 [2021-12-22 14:34:41,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:34:41,327 INFO L225 Difference]: With dead ends: 4288 [2021-12-22 14:34:41,327 INFO L226 Difference]: Without dead ends: 0 [2021-12-22 14:34:41,341 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-22 14:34:41,342 INFO L933 BasicCegarLoop]: 4083 mSDtfsCounter, 7396 mSDsluCounter, 2586 mSDsCounter, 0 mSdLazyCounter, 6826 mSolverCounterSat, 4814 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7659 SdHoareTripleChecker+Valid, 6669 SdHoareTripleChecker+Invalid, 11643 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4814 IncrementalHoareTripleChecker+Valid, 6826 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.3s IncrementalHoareTripleChecker+Time [2021-12-22 14:34:41,342 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7659 Valid, 6669 Invalid, 11643 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4814 Valid, 6826 Invalid, 3 Unknown, 0 Unchecked, 21.3s Time] [2021-12-22 14:34:41,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-22 14:34:41,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-22 14:34:41,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 14:34:41,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-22 14:34:41,344 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 78 [2021-12-22 14:34:41,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:34:41,344 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-22 14:34:41,344 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (14), 6 states have call predecessors, (14), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-22 14:34:41,344 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-22 14:34:41,344 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-22 14:34:41,346 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-22 14:34:41,347 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-22 14:34:41,348 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.