./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 839c364b 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 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 17:39:35,033 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 17:39:35,034 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 17:39:35,077 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 17:39:35,087 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 17:39:35,088 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 17:39:35,089 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 17:39:35,090 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 17:39:35,092 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 17:39:35,092 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 17:39:35,093 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 17:39:35,094 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 17:39:35,094 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 17:39:35,095 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 17:39:35,096 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 17:39:35,096 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 17:39:35,097 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 17:39:35,099 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 17:39:35,101 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 17:39:35,105 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 17:39:35,106 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 17:39:35,113 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 17:39:35,114 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 17:39:35,118 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 17:39:35,120 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 17:39:35,120 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 17:39:35,120 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 17:39:35,121 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 17:39:35,121 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 17:39:35,122 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 17:39:35,122 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 17:39:35,122 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 17:39:35,123 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 17:39:35,124 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 17:39:35,124 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 17:39:35,125 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 17:39:35,125 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 17:39:35,125 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 17:39:35,125 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 17:39:35,126 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 17:39:35,127 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 17:39:35,127 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-14 17:39:35,147 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 17:39:35,147 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 17:39:35,148 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 17:39:35,148 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 17:39:35,149 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 17:39:35,149 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 17:39:35,150 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 17:39:35,151 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 17:39:35,151 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 17:39:35,151 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 17:39:35,151 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 17:39:35,152 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 17:39:35,152 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 17:39:35,152 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 17:39:35,152 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 17:39:35,152 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 17:39:35,152 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 17:39:35,153 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 17:39:35,153 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 17:39:35,153 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 17:39:35,153 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 17:39:35,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:39:35,153 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 17:39:35,153 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 17:39:35,154 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 17:39:35,154 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 17:39:35,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 17:39:35,154 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-14 17:39:35,154 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-14 17:39:35,154 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 17:39:35,155 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 17:39:35,155 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f6913532a755844f996d9829f52a3e3b688eef2b6253ebf9e48902f9dc25d55 [2021-12-14 17:39:35,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 17:39:35,337 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 17:39:35,339 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 17:39:35,340 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 17:39:35,341 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 17:39:35,341 INFO L432 ainManager$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 [2021-12-14 17:39:35,393 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ccd75d06/8b5a857d9e6c4ab09e6bd9270fe0d245/FLAGe17da0fb1 [2021-12-14 17:39:36,107 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 17:39:36,107 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 [2021-12-14 17:39:36,154 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ccd75d06/8b5a857d9e6c4ab09e6bd9270fe0d245/FLAGe17da0fb1 [2021-12-14 17:39:36,433 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ccd75d06/8b5a857d9e6c4ab09e6bd9270fe0d245 [2021-12-14 17:39:36,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 17:39:36,436 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 17:39:36,437 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 17:39:36,437 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 17:39:36,440 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 17:39:36,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:39:36" (1/1) ... [2021-12-14 17:39:36,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10992ac4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:39:36, skipping insertion in model container [2021-12-14 17:39:36,441 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:39:36" (1/1) ... [2021-12-14 17:39:36,446 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 17:39:36,564 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 17:39:39,927 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] [2021-12-14 17:39:40,034 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:39:40,085 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 17:39:40,424 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] [2021-12-14 17:39:40,434 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 17:39:40,762 INFO L208 MainTranslator]: Completed translation [2021-12-14 17:39:40,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:39:40 WrapperNode [2021-12-14 17:39:40,764 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 17:39:40,765 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 17:39:40,765 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 17:39:40,766 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 17:39:40,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:39:40" (1/1) ... [2021-12-14 17:39:40,899 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:39:40" (1/1) ... [2021-12-14 17:39:41,126 INFO L137 Inliner]: procedures = 567, calls = 7123, calls flagged for inlining = 254, calls inlined = 183, statements flattened = 10378 [2021-12-14 17:39:41,126 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 17:39:41,127 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 17:39:41,127 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 17:39:41,127 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 17:39:41,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:39:40" (1/1) ... [2021-12-14 17:39:41,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:39:40" (1/1) ... [2021-12-14 17:39:41,186 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:39:40" (1/1) ... [2021-12-14 17:39:41,187 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:39:40" (1/1) ... [2021-12-14 17:39:41,395 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:39:40" (1/1) ... [2021-12-14 17:39:41,429 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:39:40" (1/1) ... [2021-12-14 17:39:41,459 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:39:40" (1/1) ... [2021-12-14 17:39:41,519 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 17:39:41,535 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 17:39:41,535 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 17:39:41,536 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 17:39:41,536 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:39:40" (1/1) ... [2021-12-14 17:39:41,558 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 17:39:41,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 17:39:41,609 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) [2021-12-14 17:39:41,671 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 [2021-12-14 17:39:41,689 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-12-14 17:39:41,690 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-12-14 17:39:41,690 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-12-14 17:39:41,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-12-14 17:39:41,690 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-12-14 17:39:41,690 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-14 17:39:41,690 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-14 17:39:41,690 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_irq [2021-12-14 17:39:41,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_irq [2021-12-14 17:39:41,691 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-12-14 17:39:41,691 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-12-14 17:39:41,691 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-12-14 17:39:41,691 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-12-14 17:39:41,691 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_completion_interrupt [2021-12-14 17:39:41,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_completion_interrupt [2021-12-14 17:39:41,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-14 17:39:41,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-14 17:39:41,692 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg [2021-12-14 17:39:41,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg [2021-12-14 17:39:41,692 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_reset [2021-12-14 17:39:41,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_reset [2021-12-14 17:39:41,692 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2021-12-14 17:39:41,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2021-12-14 17:39:41,693 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-14 17:39:41,693 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-14 17:39:41,693 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_send [2021-12-14 17:39:41,693 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_send [2021-12-14 17:39:41,693 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-12-14 17:39:41,693 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-12-14 17:39:41,693 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-14 17:39:41,693 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-14 17:39:41,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-12-14 17:39:41,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-12-14 17:39:41,694 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2021-12-14 17:39:41,694 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2021-12-14 17:39:41,694 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-14 17:39:41,694 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-14 17:39:41,695 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-14 17:39:41,695 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-14 17:39:41,695 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-14 17:39:41,695 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-14 17:39:41,695 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_regs_len [2021-12-14 17:39:41,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_regs_len [2021-12-14 17:39:41,695 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-14 17:39:41,696 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-14 17:39:41,696 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2021-12-14 17:39:41,696 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2021-12-14 17:39:41,696 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_all [2021-12-14 17:39:41,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_all [2021-12-14 17:39:41,696 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mailbox_command [2021-12-14 17:39:41,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mailbox_command [2021-12-14 17:39:41,697 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-14 17:39:41,697 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-14 17:39:41,697 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_irq_mask [2021-12-14 17:39:41,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_irq_mask [2021-12-14 17:39:41,697 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-14 17:39:41,698 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-14 17:39:41,698 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-14 17:39:41,698 INFO L130 BoogieDeclarations]: Found specification of procedure __qlge_vlan_rx_add_vid [2021-12-14 17:39:41,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __qlge_vlan_rx_add_vid [2021-12-14 17:39:41,699 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-14 17:39:41,699 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-14 17:39:41,699 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-14 17:39:41,699 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-14 17:39:41,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-14 17:39:41,699 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-14 17:39:41,699 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-14 17:39:41,700 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_asic_error [2021-12-14 17:39:41,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_asic_error [2021-12-14 17:39:41,700 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_buffer_queues [2021-12-14 17:39:41,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_buffer_queues [2021-12-14 17:39:41,700 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_mem_resources [2021-12-14 17:39:41,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_mem_resources [2021-12-14 17:39:41,701 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_xgmac_reg [2021-12-14 17:39:41,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_xgmac_reg [2021-12-14 17:39:41,701 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-14 17:39:41,701 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-14 17:39:41,701 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2021-12-14 17:39:41,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2021-12-14 17:39:41,701 INFO L130 BoogieDeclarations]: Found specification of procedure ql_eeh_close [2021-12-14 17:39:41,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_eeh_close [2021-12-14 17:39:41,702 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-14 17:39:41,702 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-14 17:39:41,702 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr_reg [2021-12-14 17:39:41,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr_reg [2021-12-14 17:39:41,702 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-14 17:39:41,702 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-14 17:39:41,702 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-12-14 17:39:41,703 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-12-14 17:39:41,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-14 17:39:41,703 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-12-14 17:39:41,703 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-12-14 17:39:41,703 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-14 17:39:41,703 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-14 17:39:41,704 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-14 17:39:41,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-14 17:39:41,704 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_close [2021-12-14 17:39:41,704 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_close [2021-12-14 17:39:41,705 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mb_sts [2021-12-14 17:39:41,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mb_sts [2021-12-14 17:39:41,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-14 17:39:41,705 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_open [2021-12-14 17:39:41,705 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_open [2021-12-14 17:39:41,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-12-14 17:39:41,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-12-14 17:39:41,706 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-14 17:39:41,706 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-14 17:39:41,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-14 17:39:41,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-14 17:39:41,706 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-14 17:39:41,706 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-14 17:39:41,707 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-14 17:39:41,707 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2021-12-14 17:39:41,707 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2021-12-14 17:39:41,707 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_buffers [2021-12-14 17:39:41,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_buffers [2021-12-14 17:39:41,707 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-12-14 17:39:41,708 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-12-14 17:39:41,708 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-14 17:39:41,710 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-14 17:39:41,710 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write32 [2021-12-14 17:39:41,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write32 [2021-12-14 17:39:41,711 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cam_route_initialize [2021-12-14 17:39:41,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cam_route_initialize [2021-12-14 17:39:41,712 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-14 17:39:41,712 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-14 17:39:41,712 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-14 17:39:41,712 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-14 17:39:41,716 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2021-12-14 17:39:41,716 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2021-12-14 17:39:41,716 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_trylock [2021-12-14 17:39:41,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_trylock [2021-12-14 17:39:41,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-14 17:39:41,717 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_mpi_reg [2021-12-14 17:39:41,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_mpi_reg [2021-12-14 17:39:41,717 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2021-12-14 17:39:41,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2021-12-14 17:39:41,717 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2021-12-14 17:39:41,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2021-12-14 17:39:41,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 17:39:41,717 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-14 17:39:41,718 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-14 17:39:41,718 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-14 17:39:41,718 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-14 17:39:41,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-14 17:39:41,718 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-14 17:39:41,718 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2021-12-14 17:39:41,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2021-12-14 17:39:41,718 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8012_flash_params [2021-12-14 17:39:41,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8012_flash_params [2021-12-14 17:39:41,718 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-14 17:39:41,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-14 17:39:41,719 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-14 17:39:41,719 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-14 17:39:41,719 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-14 17:39:41,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-14 17:39:41,719 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_completion_interrupt [2021-12-14 17:39:41,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_completion_interrupt [2021-12-14 17:39:41,719 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-12-14 17:39:41,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-12-14 17:39:41,720 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clear_routing_entries [2021-12-14 17:39:41,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clear_routing_entries [2021-12-14 17:39:41,720 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-14 17:39:41,720 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-14 17:39:41,720 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_off [2021-12-14 17:39:41,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_off [2021-12-14 17:39:41,720 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-14 17:39:41,720 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-14 17:39:41,721 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-14 17:39:41,721 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-14 17:39:41,721 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8000_port_initialize [2021-12-14 17:39:41,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8000_port_initialize [2021-12-14 17:39:41,721 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-12-14 17:39:41,721 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-12-14 17:39:41,721 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-14 17:39:41,721 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-14 17:39:41,722 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-14 17:39:41,722 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-14 17:39:41,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mpi_mutex_of_ql_adapter [2021-12-14 17:39:41,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mpi_mutex_of_ql_adapter [2021-12-14 17:39:41,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 17:39:41,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 17:39:41,722 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8012_port_initialize [2021-12-14 17:39:41,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8012_port_initialize [2021-12-14 17:39:41,723 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-14 17:39:41,723 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-14 17:39:41,723 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_flash_word [2021-12-14 17:39:41,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_flash_word [2021-12-14 17:39:41,723 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_subqueue [2021-12-14 17:39:41,723 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_subqueue [2021-12-14 17:39:41,723 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-14 17:39:41,723 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-14 17:39:41,724 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_adapter_resources [2021-12-14 17:39:41,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_adapter_resources [2021-12-14 17:39:41,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-14 17:39:41,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-14 17:39:41,724 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2021-12-14 17:39:41,724 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2021-12-14 17:39:41,724 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-12-14 17:39:41,724 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-12-14 17:39:41,725 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-14 17:39:41,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-14 17:39:41,725 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_resources [2021-12-14 17:39:41,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_resources [2021-12-14 17:39:41,725 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-14 17:39:41,725 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-14 17:39:41,725 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-14 17:39:41,725 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-14 17:39:41,726 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-14 17:39:41,726 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-14 17:39:41,726 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2021-12-14 17:39:41,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2021-12-14 17:39:41,726 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-14 17:39:41,726 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-14 17:39:41,726 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-14 17:39:41,726 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_on [2021-12-14 17:39:41,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_on [2021-12-14 17:39:41,727 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_multicast_list [2021-12-14 17:39:41,727 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_multicast_list [2021-12-14 17:39:41,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mpi_mutex_of_ql_adapter [2021-12-14 17:39:41,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mpi_mutex_of_ql_adapter [2021-12-14 17:39:41,727 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-14 17:39:41,727 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-14 17:39:41,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-14 17:39:41,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-14 17:39:41,728 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-12-14 17:39:41,728 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-12-14 17:39:41,728 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-14 17:39:41,728 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-14 17:39:41,729 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-12-14 17:39:41,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-12-14 17:39:41,729 INFO L130 BoogieDeclarations]: Found specification of procedure ql_tx_ring_clean [2021-12-14 17:39:41,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_tx_ring_clean [2021-12-14 17:39:41,729 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-14 17:39:41,729 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-14 17:39:41,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-14 17:39:41,729 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-14 17:39:41,730 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_mpi_reg [2021-12-14 17:39:41,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_mpi_reg [2021-12-14 17:39:41,730 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2021-12-14 17:39:41,730 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2021-12-14 17:39:41,730 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-12-14 17:39:41,730 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-12-14 17:39:41,730 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-14 17:39:41,730 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-14 17:39:41,731 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_subqueue [2021-12-14 17:39:41,734 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_subqueue [2021-12-14 17:39:41,734 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-14 17:39:41,734 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-14 17:39:41,734 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-12-14 17:39:41,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-12-14 17:39:41,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-14 17:39:41,735 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-14 17:39:41,735 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-14 17:39:41,735 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-14 17:39:41,736 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-14 17:39:41,736 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-14 17:39:41,736 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-14 17:39:41,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-14 17:39:41,736 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2021-12-14 17:39:41,736 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2021-12-14 17:39:41,736 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_suspend [2021-12-14 17:39:41,736 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_suspend [2021-12-14 17:39:41,737 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-12-14 17:39:41,737 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-12-14 17:39:41,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-14 17:39:41,737 INFO L130 BoogieDeclarations]: Found specification of procedure ql_validate_flash [2021-12-14 17:39:41,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_validate_flash [2021-12-14 17:39:41,737 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-14 17:39:41,737 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-14 17:39:41,737 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cancel_all_work_sync [2021-12-14 17:39:41,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cancel_all_work_sync [2021-12-14 17:39:41,738 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-14 17:39:41,738 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-14 17:39:41,738 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-12-14 17:39:41,738 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-12-14 17:39:41,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-12-14 17:39:41,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-12-14 17:39:41,738 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8000_flash_params [2021-12-14 17:39:41,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8000_flash_params [2021-12-14 17:39:41,738 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-12-14 17:39:41,738 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-12-14 17:39:41,738 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2021-12-14 17:39:41,739 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2021-12-14 17:39:41,739 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-14 17:39:41,739 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-14 17:39:41,739 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-14 17:39:41,739 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-14 17:39:41,739 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-14 17:39:41,739 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-14 17:39:41,739 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_initialize [2021-12-14 17:39:41,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_initialize [2021-12-14 17:39:41,739 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-12-14 17:39:41,739 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-12-14 17:39:41,740 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-12-14 17:39:41,740 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-12-14 17:39:41,740 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-14 17:39:41,740 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-14 17:39:41,740 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-12-14 17:39:41,740 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-12-14 17:39:41,740 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_db_reg [2021-12-14 17:39:41,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_db_reg [2021-12-14 17:39:41,740 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-14 17:39:41,740 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-14 17:39:41,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-14 17:39:41,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-14 17:39:41,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-14 17:39:41,741 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2021-12-14 17:39:41,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2021-12-14 17:39:41,741 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-14 17:39:41,741 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-14 17:39:41,741 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-14 17:39:41,741 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-14 17:39:41,741 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_fw_error [2021-12-14 17:39:41,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_fw_error [2021-12-14 17:39:41,742 INFO L130 BoogieDeclarations]: Found specification of procedure ql_unmap_send [2021-12-14 17:39:41,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_unmap_send [2021-12-14 17:39:41,742 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-12-14 17:39:41,742 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-12-14 17:39:41,742 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_handler [2021-12-14 17:39:41,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_handler [2021-12-14 17:39:41,742 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-14 17:39:41,742 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-14 17:39:41,742 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_mgmnt_traffic_ctl [2021-12-14 17:39:41,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_mgmnt_traffic_ctl [2021-12-14 17:39:41,742 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_reg_rdy [2021-12-14 17:39:41,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_reg_rdy [2021-12-14 17:39:41,743 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_routing_reg [2021-12-14 17:39:41,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_routing_reg [2021-12-14 17:39:41,743 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-14 17:39:41,743 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-14 17:39:41,743 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-12-14 17:39:41,743 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-12-14 17:39:41,743 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cfg [2021-12-14 17:39:41,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cfg [2021-12-14 17:39:41,743 INFO L130 BoogieDeclarations]: Found specification of procedure ql_lbq_block_size [2021-12-14 17:39:41,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_lbq_block_size [2021-12-14 17:39:41,744 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-14 17:39:41,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-14 17:39:41,744 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-12-14 17:39:41,744 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-12-14 17:39:41,744 INFO L130 BoogieDeclarations]: Found specification of procedure netif_get_num_default_rss_queues [2021-12-14 17:39:41,744 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_get_num_default_rss_queues [2021-12-14 17:39:41,744 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_cfg [2021-12-14 17:39:41,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_cfg [2021-12-14 17:39:41,785 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-14 17:39:41,785 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-14 17:39:41,785 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-14 17:39:41,785 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-14 17:39:41,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 17:39:41,785 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read32 [2021-12-14 17:39:41,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read32 [2021-12-14 17:39:41,785 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2021-12-14 17:39:41,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2021-12-14 17:39:41,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-14 17:39:41,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-14 17:39:41,785 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2021-12-14 17:39:41,785 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2021-12-14 17:39:41,785 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2021-12-14 17:39:41,786 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2021-12-14 17:39:41,786 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_resume [2021-12-14 17:39:41,786 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_resume [2021-12-14 17:39:42,558 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 17:39:42,560 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 17:39:56,786 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 17:39:56,801 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 17:39:56,801 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-14 17:39:56,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:39:56 BoogieIcfgContainer [2021-12-14 17:39:56,804 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 17:39:56,805 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 17:39:56,805 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 17:39:56,807 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 17:39:56,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:39:36" (1/3) ... [2021-12-14 17:39:56,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d30e49c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:39:56, skipping insertion in model container [2021-12-14 17:39:56,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:39:40" (2/3) ... [2021-12-14 17:39:56,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d30e49c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:39:56, skipping insertion in model container [2021-12-14 17:39:56,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:39:56" (3/3) ... [2021-12-14 17:39:56,809 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--net--ethernet--qlogic--qlge--qlge.ko-ldv_main0.cil.out.i [2021-12-14 17:39:56,812 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 17:39:56,812 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 17:39:56,846 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 17:39:56,850 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 [2021-12-14 17:39:56,851 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 17:39:56,892 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) [2021-12-14 17:39:56,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-12-14 17:39:56,895 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:39:56,896 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 17:39:56,896 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:39:56,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:39:56,899 INFO L85 PathProgramCache]: Analyzing trace with hash -86894888, now seen corresponding path program 1 times [2021-12-14 17:39:56,905 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:39:56,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282246459] [2021-12-14 17:39:56,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:39:56,906 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:39:57,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:57,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:39:57,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:57,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:39:57,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:39:57,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 17:39:57,529 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:39:57,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282246459] [2021-12-14 17:39:57,529 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282246459] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:39:57,530 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:39:57,530 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 17:39:57,531 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85554766] [2021-12-14 17:39:57,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:39:57,534 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 17:39:57,534 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:39:57,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 17:39:57,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 17:39:57,565 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) [2021-12-14 17:40:02,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:40:02,836 INFO L93 Difference]: Finished difference Result 6598 states and 9535 transitions. [2021-12-14 17:40:02,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 17:40:02,838 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 [2021-12-14 17:40:02,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:40:02,875 INFO L225 Difference]: With dead ends: 6598 [2021-12-14 17:40:02,875 INFO L226 Difference]: Without dead ends: 3473 [2021-12-14 17:40:02,895 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 [2021-12-14 17:40:02,899 INFO L933 BasicCegarLoop]: 3701 mSDtfsCounter, 5897 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 1689 mSolverCounterSat, 2421 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6174 SdHoareTripleChecker+Valid, 4246 SdHoareTripleChecker+Invalid, 4110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2421 IncrementalHoareTripleChecker+Valid, 1689 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2021-12-14 17:40:02,900 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6174 Valid, 4246 Invalid, 4110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2421 Valid, 1689 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2021-12-14 17:40:02,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3473 states. [2021-12-14 17:40:03,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3473 to 3104. [2021-12-14 17:40:03,061 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) [2021-12-14 17:40:03,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3104 states to 3104 states and 4423 transitions. [2021-12-14 17:40:03,092 INFO L78 Accepts]: Start accepts. Automaton has 3104 states and 4423 transitions. Word has length 17 [2021-12-14 17:40:03,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:40:03,092 INFO L470 AbstractCegarLoop]: Abstraction has 3104 states and 4423 transitions. [2021-12-14 17:40:03,093 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) [2021-12-14 17:40:03,093 INFO L276 IsEmpty]: Start isEmpty. Operand 3104 states and 4423 transitions. [2021-12-14 17:40:03,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-12-14 17:40:03,094 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:40:03,094 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 17:40:03,094 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 17:40:03,094 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:40:03,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:40:03,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1598856956, now seen corresponding path program 1 times [2021-12-14 17:40:03,096 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:40:03,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599123339] [2021-12-14 17:40:03,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:40:03,097 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:40:03,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:40:03,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:40:03,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:40:03,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:40:03,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:40:03,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 17:40:03,415 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:40:03,415 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599123339] [2021-12-14 17:40:03,415 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599123339] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:40:03,416 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:40:03,416 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 17:40:03,416 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580151178] [2021-12-14 17:40:03,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:40:03,417 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 17:40:03,417 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:40:03,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 17:40:03,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 17:40:03,418 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) [2021-12-14 17:40:07,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:40:07,429 INFO L93 Difference]: Finished difference Result 3390 states and 4822 transitions. [2021-12-14 17:40:07,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 17:40:07,429 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 [2021-12-14 17:40:07,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:40:07,444 INFO L225 Difference]: With dead ends: 3390 [2021-12-14 17:40:07,445 INFO L226 Difference]: Without dead ends: 3386 [2021-12-14 17:40:07,449 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 [2021-12-14 17:40:07,450 INFO L933 BasicCegarLoop]: 3791 mSDtfsCounter, 5386 mSDsluCounter, 608 mSDsCounter, 0 mSdLazyCounter, 1741 mSolverCounterSat, 2305 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5660 SdHoareTripleChecker+Valid, 4399 SdHoareTripleChecker+Invalid, 4046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2305 IncrementalHoareTripleChecker+Valid, 1741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-12-14 17:40:07,451 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5660 Valid, 4399 Invalid, 4046 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2305 Valid, 1741 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-12-14 17:40:07,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3386 states. [2021-12-14 17:40:07,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3386 to 3384. [2021-12-14 17:40:07,555 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) [2021-12-14 17:40:07,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3384 states to 3384 states and 4816 transitions. [2021-12-14 17:40:07,572 INFO L78 Accepts]: Start accepts. Automaton has 3384 states and 4816 transitions. Word has length 18 [2021-12-14 17:40:07,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:40:07,572 INFO L470 AbstractCegarLoop]: Abstraction has 3384 states and 4816 transitions. [2021-12-14 17:40:07,573 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) [2021-12-14 17:40:07,573 INFO L276 IsEmpty]: Start isEmpty. Operand 3384 states and 4816 transitions. [2021-12-14 17:40:07,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-12-14 17:40:07,573 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:40:07,573 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-14 17:40:07,574 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-14 17:40:07,574 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:40:07,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:40:07,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1977405861, now seen corresponding path program 1 times [2021-12-14 17:40:07,574 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:40:07,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525657997] [2021-12-14 17:40:07,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:40:07,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:40:07,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:40:07,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:40:07,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:40:07,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:40:07,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:40:07,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-14 17:40:07,863 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:40:07,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525657997] [2021-12-14 17:40:07,863 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525657997] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:40:07,863 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:40:07,863 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-14 17:40:07,864 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174446865] [2021-12-14 17:40:07,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:40:07,864 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-14 17:40:07,864 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:40:07,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-14 17:40:07,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-14 17:40:07,865 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) [2021-12-14 17:40:11,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-14 17:40:11,929 INFO L93 Difference]: Finished difference Result 3755 states and 5384 transitions. [2021-12-14 17:40:11,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-14 17:40:11,940 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 [2021-12-14 17:40:11,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-14 17:40:11,956 INFO L225 Difference]: With dead ends: 3755 [2021-12-14 17:40:11,956 INFO L226 Difference]: Without dead ends: 3744 [2021-12-14 17:40:11,958 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 [2021-12-14 17:40:11,958 INFO L933 BasicCegarLoop]: 3706 mSDtfsCounter, 5828 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 1685 mSolverCounterSat, 2401 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s 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, 3.9s IncrementalHoareTripleChecker+Time [2021-12-14 17:40:11,959 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6102 Valid, 4248 Invalid, 4086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2401 Valid, 1685 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2021-12-14 17:40:11,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3744 states. [2021-12-14 17:40:12,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3744 to 3375. [2021-12-14 17:40:12,042 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) [2021-12-14 17:40:12,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3375 states to 3375 states and 4801 transitions. [2021-12-14 17:40:12,052 INFO L78 Accepts]: Start accepts. Automaton has 3375 states and 4801 transitions. Word has length 19 [2021-12-14 17:40:12,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-14 17:40:12,052 INFO L470 AbstractCegarLoop]: Abstraction has 3375 states and 4801 transitions. [2021-12-14 17:40:12,053 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) [2021-12-14 17:40:12,053 INFO L276 IsEmpty]: Start isEmpty. Operand 3375 states and 4801 transitions. [2021-12-14 17:40:12,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2021-12-14 17:40:12,071 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 17:40:12,072 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] [2021-12-14 17:40:12,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-14 17:40:12,072 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-14 17:40:12,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 17:40:12,073 INFO L85 PathProgramCache]: Analyzing trace with hash -36426860, now seen corresponding path program 1 times [2021-12-14 17:40:12,073 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 17:40:12,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540767413] [2021-12-14 17:40:12,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 17:40:12,074 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 17:40:12,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:40:12,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-14 17:40:12,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:40:12,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-14 17:40:12,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:40:12,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-14 17:40:12,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:40:12,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-14 17:40:12,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:40:12,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-14 17:40:12,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:40:12,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-12-14 17:40:12,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:40:12,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-14 17:40:12,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:40:12,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:40:12,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:40:12,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-14 17:40:12,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:40:12,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-14 17:40:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:40:12,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-14 17:40:12,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-14 17:40:12,540 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-12-14 17:40:12,540 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-14 17:40:12,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540767413] [2021-12-14 17:40:12,540 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540767413] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-14 17:40:12,540 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-14 17:40:12,541 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-14 17:40:12,541 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875486667] [2021-12-14 17:40:12,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-14 17:40:12,541 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-14 17:40:12,542 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-14 17:40:12,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-14 17:40:12,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-14 17:40:12,542 INFO L87 Difference]: Start difference. First operand 3375 states and 4801 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (14), 6 states have call predecessors, (14), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-14 17:40:22,548 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:40:24,557 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:40:26,709 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:40:28,974 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:40:31,111 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-14 17:40:33,371 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []