./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 c3fed411 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-tmp.no-commuhash-c3fed41 [2021-12-16 03:53:39,282 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-16 03:53:39,304 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-16 03:53:39,340 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-16 03:53:39,342 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-16 03:53:39,346 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-16 03:53:39,348 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-16 03:53:39,355 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-16 03:53:39,359 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-16 03:53:39,365 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-16 03:53:39,366 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-16 03:53:39,368 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-16 03:53:39,368 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-16 03:53:39,371 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-16 03:53:39,374 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-16 03:53:39,377 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-16 03:53:39,378 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-16 03:53:39,379 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-16 03:53:39,384 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-16 03:53:39,389 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-16 03:53:39,391 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-16 03:53:39,392 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-16 03:53:39,394 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-16 03:53:39,395 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-16 03:53:39,403 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-16 03:53:39,403 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-16 03:53:39,404 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-16 03:53:39,406 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-16 03:53:39,406 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-16 03:53:39,407 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-16 03:53:39,407 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-16 03:53:39,408 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-16 03:53:39,410 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-16 03:53:39,411 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-16 03:53:39,412 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-16 03:53:39,412 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-16 03:53:39,413 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-16 03:53:39,413 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-16 03:53:39,414 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-16 03:53:39,414 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-16 03:53:39,415 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-16 03:53:39,417 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-16 03:53:39,459 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-16 03:53:39,459 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-16 03:53:39,460 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-16 03:53:39,460 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-16 03:53:39,461 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-16 03:53:39,461 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-16 03:53:39,462 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-16 03:53:39,462 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-16 03:53:39,462 INFO L138 SettingsManager]: * Use SBE=true [2021-12-16 03:53:39,463 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-16 03:53:39,464 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-16 03:53:39,464 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-16 03:53:39,464 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-16 03:53:39,464 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-16 03:53:39,464 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-16 03:53:39,465 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-16 03:53:39,465 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-16 03:53:39,465 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-16 03:53:39,465 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-16 03:53:39,465 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-16 03:53:39,466 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-16 03:53:39,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 03:53:39,466 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-16 03:53:39,466 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-16 03:53:39,466 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-16 03:53:39,467 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-16 03:53:39,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-16 03:53:39,467 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-16 03:53:39,467 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-16 03:53:39,468 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-16 03:53:39,468 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-16 03:53:39,468 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f6913532a755844f996d9829f52a3e3b688eef2b6253ebf9e48902f9dc25d55 [2021-12-16 03:53:39,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-16 03:53:39,766 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-16 03:53:39,769 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-16 03:53:39,770 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-16 03:53:39,770 INFO L275 PluginConnector]: CDTParser initialized [2021-12-16 03:53:39,772 INFO L432 ainManager$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 [2021-12-16 03:53:39,845 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7a30cadd/520fb765ee9043ee855a8c4ce3d0ee1a/FLAGc49ff6e69 [2021-12-16 03:53:40,751 INFO L306 CDTParser]: Found 1 translation units. [2021-12-16 03:53:40,752 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 [2021-12-16 03:53:40,819 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7a30cadd/520fb765ee9043ee855a8c4ce3d0ee1a/FLAGc49ff6e69 [2021-12-16 03:53:41,296 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7a30cadd/520fb765ee9043ee855a8c4ce3d0ee1a [2021-12-16 03:53:41,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-16 03:53:41,299 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-16 03:53:41,301 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-16 03:53:41,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-16 03:53:41,304 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-16 03:53:41,305 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 03:53:41" (1/1) ... [2021-12-16 03:53:41,306 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@686aac42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:53:41, skipping insertion in model container [2021-12-16 03:53:41,306 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 03:53:41" (1/1) ... [2021-12-16 03:53:41,312 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-16 03:53:41,521 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-16 03:53:46,264 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] [2021-12-16 03:53:46,457 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 03:53:46,534 INFO L203 MainTranslator]: Completed pre-run [2021-12-16 03:53:47,036 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] [2021-12-16 03:53:47,051 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-16 03:53:47,360 INFO L208 MainTranslator]: Completed translation [2021-12-16 03:53:47,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:53:47 WrapperNode [2021-12-16 03:53:47,362 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-16 03:53:47,363 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-16 03:53:47,363 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-16 03:53:47,363 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-16 03:53:47,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:53:47" (1/1) ... [2021-12-16 03:53:47,695 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:53:47" (1/1) ... [2021-12-16 03:53:47,969 INFO L137 Inliner]: procedures = 567, calls = 7123, calls flagged for inlining = 254, calls inlined = 183, statements flattened = 10378 [2021-12-16 03:53:47,970 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-16 03:53:47,971 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-16 03:53:47,971 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-16 03:53:47,971 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-16 03:53:47,979 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:53:47" (1/1) ... [2021-12-16 03:53:47,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:53:47" (1/1) ... [2021-12-16 03:53:48,036 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:53:47" (1/1) ... [2021-12-16 03:53:48,036 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:53:47" (1/1) ... [2021-12-16 03:53:48,299 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:53:47" (1/1) ... [2021-12-16 03:53:48,324 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:53:47" (1/1) ... [2021-12-16 03:53:48,371 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:53:47" (1/1) ... [2021-12-16 03:53:48,429 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-16 03:53:48,431 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-16 03:53:48,431 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-16 03:53:48,431 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-16 03:53:48,432 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:53:47" (1/1) ... [2021-12-16 03:53:48,439 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-16 03:53:48,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-16 03:53:48,461 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) [2021-12-16 03:53:48,474 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 [2021-12-16 03:53:48,502 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-16 03:53:48,502 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-16 03:53:48,502 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-12-16 03:53:48,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-12-16 03:53:48,503 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-16 03:53:48,503 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-16 03:53:48,503 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-16 03:53:48,503 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_irq [2021-12-16 03:53:48,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_irq [2021-12-16 03:53:48,503 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-12-16 03:53:48,503 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-12-16 03:53:48,504 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-12-16 03:53:48,504 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-12-16 03:53:48,504 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_completion_interrupt [2021-12-16 03:53:48,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_completion_interrupt [2021-12-16 03:53:48,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-16 03:53:48,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-16 03:53:48,504 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg [2021-12-16 03:53:48,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg [2021-12-16 03:53:48,505 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_reset [2021-12-16 03:53:48,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_reset [2021-12-16 03:53:48,505 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2021-12-16 03:53:48,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2021-12-16 03:53:48,505 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-16 03:53:48,505 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-16 03:53:48,506 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_send [2021-12-16 03:53:48,506 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_send [2021-12-16 03:53:48,506 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-12-16 03:53:48,506 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-12-16 03:53:48,506 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-16 03:53:48,506 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-16 03:53:48,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-16 03:53:48,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-16 03:53:48,507 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2021-12-16 03:53:48,507 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2021-12-16 03:53:48,507 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-16 03:53:48,507 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-16 03:53:48,507 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-16 03:53:48,507 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-16 03:53:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-16 03:53:48,508 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-16 03:53:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_regs_len [2021-12-16 03:53:48,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_regs_len [2021-12-16 03:53:48,508 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-16 03:53:48,509 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-16 03:53:48,509 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2021-12-16 03:53:48,509 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2021-12-16 03:53:48,509 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_all [2021-12-16 03:53:48,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_all [2021-12-16 03:53:48,510 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mailbox_command [2021-12-16 03:53:48,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mailbox_command [2021-12-16 03:53:48,510 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-16 03:53:48,510 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-16 03:53:48,510 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_irq_mask [2021-12-16 03:53:48,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_irq_mask [2021-12-16 03:53:48,511 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-16 03:53:48,511 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-16 03:53:48,512 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-16 03:53:48,512 INFO L130 BoogieDeclarations]: Found specification of procedure __qlge_vlan_rx_add_vid [2021-12-16 03:53:48,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __qlge_vlan_rx_add_vid [2021-12-16 03:53:48,512 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-16 03:53:48,513 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-16 03:53:48,513 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-16 03:53:48,513 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-16 03:53:48,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-16 03:53:48,513 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-16 03:53:48,513 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-16 03:53:48,514 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_asic_error [2021-12-16 03:53:48,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_asic_error [2021-12-16 03:53:48,514 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_buffer_queues [2021-12-16 03:53:48,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_buffer_queues [2021-12-16 03:53:48,515 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_mem_resources [2021-12-16 03:53:48,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_mem_resources [2021-12-16 03:53:48,515 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_xgmac_reg [2021-12-16 03:53:48,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_xgmac_reg [2021-12-16 03:53:48,515 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-16 03:53:48,516 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-16 03:53:48,516 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2021-12-16 03:53:48,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2021-12-16 03:53:48,516 INFO L130 BoogieDeclarations]: Found specification of procedure ql_eeh_close [2021-12-16 03:53:48,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_eeh_close [2021-12-16 03:53:48,516 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-16 03:53:48,516 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-16 03:53:48,516 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr_reg [2021-12-16 03:53:48,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr_reg [2021-12-16 03:53:48,517 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-16 03:53:48,517 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-16 03:53:48,517 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-12-16 03:53:48,517 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-12-16 03:53:48,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-16 03:53:48,517 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-12-16 03:53:48,517 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-12-16 03:53:48,518 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-16 03:53:48,518 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-16 03:53:48,518 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-16 03:53:48,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-16 03:53:48,518 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_close [2021-12-16 03:53:48,518 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_close [2021-12-16 03:53:48,518 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mb_sts [2021-12-16 03:53:48,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mb_sts [2021-12-16 03:53:48,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-16 03:53:48,518 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_open [2021-12-16 03:53:48,518 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_open [2021-12-16 03:53:48,518 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-12-16 03:53:48,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-12-16 03:53:48,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-16 03:53:48,519 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-16 03:53:48,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-16 03:53:48,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-16 03:53:48,519 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-16 03:53:48,519 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-16 03:53:48,519 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-16 03:53:48,519 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2021-12-16 03:53:48,519 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2021-12-16 03:53:48,519 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_buffers [2021-12-16 03:53:48,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_buffers [2021-12-16 03:53:48,519 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-12-16 03:53:48,520 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-12-16 03:53:48,520 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-16 03:53:48,520 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-16 03:53:48,520 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write32 [2021-12-16 03:53:48,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write32 [2021-12-16 03:53:48,520 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cam_route_initialize [2021-12-16 03:53:48,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cam_route_initialize [2021-12-16 03:53:48,520 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-16 03:53:48,520 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-16 03:53:48,520 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-16 03:53:48,520 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-16 03:53:48,520 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2021-12-16 03:53:48,520 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2021-12-16 03:53:48,521 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_trylock [2021-12-16 03:53:48,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_trylock [2021-12-16 03:53:48,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-16 03:53:48,521 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_mpi_reg [2021-12-16 03:53:48,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_mpi_reg [2021-12-16 03:53:48,521 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2021-12-16 03:53:48,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2021-12-16 03:53:48,521 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2021-12-16 03:53:48,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2021-12-16 03:53:48,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-16 03:53:48,521 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-16 03:53:48,521 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-16 03:53:48,521 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-16 03:53:48,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-16 03:53:48,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-16 03:53:48,522 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-16 03:53:48,522 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2021-12-16 03:53:48,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2021-12-16 03:53:48,522 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8012_flash_params [2021-12-16 03:53:48,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8012_flash_params [2021-12-16 03:53:48,522 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-16 03:53:48,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-16 03:53:48,522 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-16 03:53:48,522 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-16 03:53:48,522 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-16 03:53:48,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-16 03:53:48,522 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_completion_interrupt [2021-12-16 03:53:48,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_completion_interrupt [2021-12-16 03:53:48,523 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-16 03:53:48,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-16 03:53:48,523 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clear_routing_entries [2021-12-16 03:53:48,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clear_routing_entries [2021-12-16 03:53:48,523 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-16 03:53:48,523 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-16 03:53:48,523 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_off [2021-12-16 03:53:48,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_off [2021-12-16 03:53:48,523 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-16 03:53:48,523 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-16 03:53:48,523 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-16 03:53:48,523 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-16 03:53:48,523 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8000_port_initialize [2021-12-16 03:53:48,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8000_port_initialize [2021-12-16 03:53:48,523 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-12-16 03:53:48,523 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-12-16 03:53:48,524 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-16 03:53:48,524 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-16 03:53:48,524 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-16 03:53:48,524 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-16 03:53:48,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mpi_mutex_of_ql_adapter [2021-12-16 03:53:48,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mpi_mutex_of_ql_adapter [2021-12-16 03:53:48,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-16 03:53:48,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-16 03:53:48,524 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8012_port_initialize [2021-12-16 03:53:48,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8012_port_initialize [2021-12-16 03:53:48,524 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-16 03:53:48,524 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-16 03:53:48,524 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_flash_word [2021-12-16 03:53:48,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_flash_word [2021-12-16 03:53:48,524 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_subqueue [2021-12-16 03:53:48,524 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_subqueue [2021-12-16 03:53:48,524 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-16 03:53:48,525 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-16 03:53:48,525 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_adapter_resources [2021-12-16 03:53:48,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_adapter_resources [2021-12-16 03:53:48,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-16 03:53:48,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-16 03:53:48,525 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2021-12-16 03:53:48,525 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2021-12-16 03:53:48,525 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-12-16 03:53:48,525 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-12-16 03:53:48,525 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-16 03:53:48,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-16 03:53:48,525 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_resources [2021-12-16 03:53:48,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_resources [2021-12-16 03:53:48,525 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-16 03:53:48,525 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-16 03:53:48,525 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-16 03:53:48,525 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-16 03:53:48,526 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-16 03:53:48,526 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-16 03:53:48,526 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2021-12-16 03:53:48,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2021-12-16 03:53:48,526 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-16 03:53:48,526 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-16 03:53:48,526 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-16 03:53:48,526 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_on [2021-12-16 03:53:48,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_on [2021-12-16 03:53:48,526 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_multicast_list [2021-12-16 03:53:48,526 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_multicast_list [2021-12-16 03:53:48,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mpi_mutex_of_ql_adapter [2021-12-16 03:53:48,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mpi_mutex_of_ql_adapter [2021-12-16 03:53:48,526 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-16 03:53:48,526 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-16 03:53:48,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-16 03:53:48,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-16 03:53:48,527 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-12-16 03:53:48,527 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-12-16 03:53:48,527 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-16 03:53:48,527 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-16 03:53:48,527 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-12-16 03:53:48,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-12-16 03:53:48,527 INFO L130 BoogieDeclarations]: Found specification of procedure ql_tx_ring_clean [2021-12-16 03:53:48,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_tx_ring_clean [2021-12-16 03:53:48,527 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-16 03:53:48,527 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-16 03:53:48,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-16 03:53:48,527 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-16 03:53:48,527 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_mpi_reg [2021-12-16 03:53:48,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_mpi_reg [2021-12-16 03:53:48,528 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-16 03:53:48,528 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-16 03:53:48,528 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-16 03:53:48,528 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-16 03:53:48,528 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-16 03:53:48,528 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-16 03:53:48,528 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_subqueue [2021-12-16 03:53:48,528 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_subqueue [2021-12-16 03:53:48,528 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-16 03:53:48,528 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-16 03:53:48,528 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-16 03:53:48,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-16 03:53:48,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-16 03:53:48,528 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-16 03:53:48,528 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-16 03:53:48,529 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-16 03:53:48,529 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-16 03:53:48,529 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-16 03:53:48,529 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-16 03:53:48,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-16 03:53:48,529 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2021-12-16 03:53:48,529 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2021-12-16 03:53:48,529 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_suspend [2021-12-16 03:53:48,529 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_suspend [2021-12-16 03:53:48,529 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-12-16 03:53:48,529 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-12-16 03:53:48,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-16 03:53:48,529 INFO L130 BoogieDeclarations]: Found specification of procedure ql_validate_flash [2021-12-16 03:53:48,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_validate_flash [2021-12-16 03:53:48,530 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-16 03:53:48,530 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-16 03:53:48,530 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cancel_all_work_sync [2021-12-16 03:53:48,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cancel_all_work_sync [2021-12-16 03:53:48,530 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-16 03:53:48,530 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-16 03:53:48,530 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-16 03:53:48,530 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-16 03:53:48,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-12-16 03:53:48,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-12-16 03:53:48,530 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8000_flash_params [2021-12-16 03:53:48,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8000_flash_params [2021-12-16 03:53:48,530 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-12-16 03:53:48,530 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-12-16 03:53:48,531 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2021-12-16 03:53:48,531 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2021-12-16 03:53:48,531 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-16 03:53:48,531 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-16 03:53:48,531 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-16 03:53:48,535 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-16 03:53:48,535 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-16 03:53:48,535 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-16 03:53:48,536 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_initialize [2021-12-16 03:53:48,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_initialize [2021-12-16 03:53:48,536 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-12-16 03:53:48,536 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-12-16 03:53:48,536 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-12-16 03:53:48,537 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-12-16 03:53:48,537 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-16 03:53:48,537 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-16 03:53:48,537 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-16 03:53:48,537 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-16 03:53:48,537 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_db_reg [2021-12-16 03:53:48,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_db_reg [2021-12-16 03:53:48,537 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-16 03:53:48,538 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-16 03:53:48,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-16 03:53:48,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-16 03:53:48,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-16 03:53:48,538 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2021-12-16 03:53:48,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2021-12-16 03:53:48,538 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-16 03:53:48,539 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-16 03:53:48,539 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-16 03:53:48,539 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-16 03:53:48,539 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_fw_error [2021-12-16 03:53:48,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_fw_error [2021-12-16 03:53:48,539 INFO L130 BoogieDeclarations]: Found specification of procedure ql_unmap_send [2021-12-16 03:53:48,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_unmap_send [2021-12-16 03:53:48,539 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-16 03:53:48,540 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-16 03:53:48,540 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_handler [2021-12-16 03:53:48,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_handler [2021-12-16 03:53:48,540 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-16 03:53:48,540 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-16 03:53:48,540 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_mgmnt_traffic_ctl [2021-12-16 03:53:48,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_mgmnt_traffic_ctl [2021-12-16 03:53:48,541 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_reg_rdy [2021-12-16 03:53:48,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_reg_rdy [2021-12-16 03:53:48,541 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_routing_reg [2021-12-16 03:53:48,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_routing_reg [2021-12-16 03:53:48,541 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-16 03:53:48,541 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-16 03:53:48,541 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-16 03:53:48,541 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-16 03:53:48,542 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cfg [2021-12-16 03:53:48,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cfg [2021-12-16 03:53:48,542 INFO L130 BoogieDeclarations]: Found specification of procedure ql_lbq_block_size [2021-12-16 03:53:48,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_lbq_block_size [2021-12-16 03:53:48,542 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-16 03:53:48,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-16 03:53:48,542 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-16 03:53:48,543 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-16 03:53:48,543 INFO L130 BoogieDeclarations]: Found specification of procedure netif_get_num_default_rss_queues [2021-12-16 03:53:48,543 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_get_num_default_rss_queues [2021-12-16 03:53:48,543 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_cfg [2021-12-16 03:53:48,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_cfg [2021-12-16 03:53:48,543 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-16 03:53:48,543 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-16 03:53:48,543 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-16 03:53:48,544 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-16 03:53:48,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-16 03:53:48,544 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read32 [2021-12-16 03:53:48,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read32 [2021-12-16 03:53:48,544 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2021-12-16 03:53:48,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2021-12-16 03:53:48,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-16 03:53:48,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-16 03:53:48,545 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2021-12-16 03:53:48,545 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2021-12-16 03:53:48,545 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2021-12-16 03:53:48,545 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2021-12-16 03:53:48,545 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_resume [2021-12-16 03:53:48,545 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_resume [2021-12-16 03:53:49,535 INFO L236 CfgBuilder]: Building ICFG [2021-12-16 03:53:49,539 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-16 03:54:02,376 INFO L277 CfgBuilder]: Performing block encoding [2021-12-16 03:54:02,398 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-16 03:54:02,399 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-16 03:54:02,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:54:02 BoogieIcfgContainer [2021-12-16 03:54:02,406 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-16 03:54:02,407 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-16 03:54:02,408 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-16 03:54:02,412 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-16 03:54:02,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 03:53:41" (1/3) ... [2021-12-16 03:54:02,413 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1302090a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 03:54:02, skipping insertion in model container [2021-12-16 03:54:02,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:53:47" (2/3) ... [2021-12-16 03:54:02,414 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1302090a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 03:54:02, skipping insertion in model container [2021-12-16 03:54:02,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:54:02" (3/3) ... [2021-12-16 03:54:02,416 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-ldv_main0.cil.out.i [2021-12-16 03:54:02,425 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-16 03:54:02,426 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-16 03:54:02,488 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-16 03:54:02,494 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 [2021-12-16 03:54:02,495 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-16 03:54:02,562 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) [2021-12-16 03:54:02,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-12-16 03:54:02,568 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:54:02,569 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:54:02,569 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:54:02,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:54:02,574 INFO L85 PathProgramCache]: Analyzing trace with hash -86894888, now seen corresponding path program 1 times [2021-12-16 03:54:02,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:54:02,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846782128] [2021-12-16 03:54:02,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:54:02,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:54:03,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:54:03,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:54:03,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:54:03,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 03:54:03,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:54:03,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 03:54:03,525 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:54:03,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846782128] [2021-12-16 03:54:03,526 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846782128] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:54:03,527 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:54:03,527 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 03:54:03,528 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162683105] [2021-12-16 03:54:03,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:54:03,532 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 03:54:03,532 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:54:03,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 03:54:03,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 03:54:03,580 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) [2021-12-16 03:54:10,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:54:10,186 INFO L93 Difference]: Finished difference Result 6598 states and 9535 transitions. [2021-12-16 03:54:10,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 03:54:10,193 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 [2021-12-16 03:54:10,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:54:10,249 INFO L225 Difference]: With dead ends: 6598 [2021-12-16 03:54:10,250 INFO L226 Difference]: Without dead ends: 3473 [2021-12-16 03:54:10,278 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-16 03:54:10,285 INFO L933 BasicCegarLoop]: 3701 mSDtfsCounter, 5897 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 1689 mSolverCounterSat, 2421 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6174 SdHoareTripleChecker+Valid, 4246 SdHoareTripleChecker+Invalid, 4110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2421 IncrementalHoareTripleChecker+Valid, 1689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2021-12-16 03:54:10,287 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6174 Valid, 4246 Invalid, 4110 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2421 Valid, 1689 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2021-12-16 03:54:10,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3473 states. [2021-12-16 03:54:10,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3473 to 3104. [2021-12-16 03:54:10,545 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) [2021-12-16 03:54:10,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3104 states to 3104 states and 4423 transitions. [2021-12-16 03:54:10,579 INFO L78 Accepts]: Start accepts. Automaton has 3104 states and 4423 transitions. Word has length 17 [2021-12-16 03:54:10,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:54:10,580 INFO L470 AbstractCegarLoop]: Abstraction has 3104 states and 4423 transitions. [2021-12-16 03:54:10,580 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) [2021-12-16 03:54:10,580 INFO L276 IsEmpty]: Start isEmpty. Operand 3104 states and 4423 transitions. [2021-12-16 03:54:10,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-12-16 03:54:10,583 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:54:10,583 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:54:10,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-16 03:54:10,584 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:54:10,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:54:10,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1598856956, now seen corresponding path program 1 times [2021-12-16 03:54:10,586 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:54:10,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979454300] [2021-12-16 03:54:10,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:54:10,587 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:54:10,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:54:11,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:54:11,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:54:11,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 03:54:11,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:54:11,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 03:54:11,169 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:54:11,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979454300] [2021-12-16 03:54:11,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979454300] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:54:11,170 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:54:11,170 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 03:54:11,170 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791785404] [2021-12-16 03:54:11,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:54:11,172 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 03:54:11,172 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:54:11,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 03:54:11,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 03:54:11,174 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) [2021-12-16 03:54:16,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:54:16,637 INFO L93 Difference]: Finished difference Result 3390 states and 4822 transitions. [2021-12-16 03:54:16,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 03:54:16,638 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 [2021-12-16 03:54:16,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:54:16,662 INFO L225 Difference]: With dead ends: 3390 [2021-12-16 03:54:16,663 INFO L226 Difference]: Without dead ends: 3386 [2021-12-16 03:54:16,667 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-16 03:54:16,668 INFO L933 BasicCegarLoop]: 3791 mSDtfsCounter, 5386 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 1741 mSolverCounterSat, 2305 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s 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, 5.1s IncrementalHoareTripleChecker+Time [2021-12-16 03:54:16,669 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5660 Valid, 4399 Invalid, 4046 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2305 Valid, 1741 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2021-12-16 03:54:16,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3386 states. [2021-12-16 03:54:16,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3386 to 3384. [2021-12-16 03:54:16,797 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) [2021-12-16 03:54:16,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3384 states to 3384 states and 4816 transitions. [2021-12-16 03:54:16,823 INFO L78 Accepts]: Start accepts. Automaton has 3384 states and 4816 transitions. Word has length 18 [2021-12-16 03:54:16,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:54:16,824 INFO L470 AbstractCegarLoop]: Abstraction has 3384 states and 4816 transitions. [2021-12-16 03:54:16,824 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) [2021-12-16 03:54:16,824 INFO L276 IsEmpty]: Start isEmpty. Operand 3384 states and 4816 transitions. [2021-12-16 03:54:16,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-12-16 03:54:16,825 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:54:16,825 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-16 03:54:16,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-16 03:54:16,826 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:54:16,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:54:16,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1977405861, now seen corresponding path program 1 times [2021-12-16 03:54:16,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:54:16,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157553689] [2021-12-16 03:54:16,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:54:16,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:54:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:54:17,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:54:17,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:54:17,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 03:54:17,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:54:17,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-16 03:54:17,306 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:54:17,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157553689] [2021-12-16 03:54:17,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157553689] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:54:17,308 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:54:17,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-16 03:54:17,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837095521] [2021-12-16 03:54:17,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:54:17,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-16 03:54:17,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:54:17,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-16 03:54:17,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-16 03:54:17,310 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) [2021-12-16 03:54:22,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-16 03:54:22,711 INFO L93 Difference]: Finished difference Result 3755 states and 5384 transitions. [2021-12-16 03:54:22,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-16 03:54:22,712 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 [2021-12-16 03:54:22,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-16 03:54:22,738 INFO L225 Difference]: With dead ends: 3755 [2021-12-16 03:54:22,739 INFO L226 Difference]: Without dead ends: 3744 [2021-12-16 03:54:22,743 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-16 03:54:22,744 INFO L933 BasicCegarLoop]: 3706 mSDtfsCounter, 5828 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 1685 mSolverCounterSat, 2401 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s 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, 5.1s IncrementalHoareTripleChecker+Time [2021-12-16 03:54:22,745 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6102 Valid, 4248 Invalid, 4086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2401 Valid, 1685 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2021-12-16 03:54:22,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3744 states. [2021-12-16 03:54:22,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3744 to 3375. [2021-12-16 03:54:22,880 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) [2021-12-16 03:54:22,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3375 states to 3375 states and 4801 transitions. [2021-12-16 03:54:22,896 INFO L78 Accepts]: Start accepts. Automaton has 3375 states and 4801 transitions. Word has length 19 [2021-12-16 03:54:22,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-16 03:54:22,896 INFO L470 AbstractCegarLoop]: Abstraction has 3375 states and 4801 transitions. [2021-12-16 03:54:22,897 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) [2021-12-16 03:54:22,897 INFO L276 IsEmpty]: Start isEmpty. Operand 3375 states and 4801 transitions. [2021-12-16 03:54:22,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-12-16 03:54:22,915 INFO L506 BasicCegarLoop]: Found error trace [2021-12-16 03:54:22,915 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] [2021-12-16 03:54:22,916 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-16 03:54:22,916 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-16 03:54:22,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-16 03:54:22,917 INFO L85 PathProgramCache]: Analyzing trace with hash -36426860, now seen corresponding path program 1 times [2021-12-16 03:54:22,918 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-16 03:54:22,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727400129] [2021-12-16 03:54:22,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-16 03:54:22,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-16 03:54:23,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:54:23,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-16 03:54:23,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:54:23,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-16 03:54:23,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:54:23,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-16 03:54:23,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:54:23,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-16 03:54:23,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:54:23,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-16 03:54:23,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:54:23,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-16 03:54:23,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:54:23,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-16 03:54:23,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:54:23,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:54:23,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:54:23,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-16 03:54:23,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:54:23,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-16 03:54:23,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:54:23,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-16 03:54:23,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-16 03:54:23,672 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-12-16 03:54:23,672 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-16 03:54:23,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727400129] [2021-12-16 03:54:23,673 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727400129] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-16 03:54:23,673 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-16 03:54:23,673 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-16 03:54:23,673 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388906421] [2021-12-16 03:54:23,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-16 03:54:23,674 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-16 03:54:23,675 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-16 03:54:23,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-16 03:54:23,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-16 03:54:23,676 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)