./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--tulip.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ae007674 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--tulip.ko-entry_point.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 ecea5961d53d2608898d65c83a7bf6d9a36712172eaf67bd828ea354982e0e3d --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ae00767 [2021-12-28 04:01:54,648 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-28 04:01:54,651 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-28 04:01:54,682 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-28 04:01:54,684 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-28 04:01:54,687 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-28 04:01:54,689 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-28 04:01:54,693 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-28 04:01:54,695 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-28 04:01:54,699 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-28 04:01:54,700 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-28 04:01:54,703 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-28 04:01:54,704 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-28 04:01:54,706 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-28 04:01:54,707 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-28 04:01:54,709 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-28 04:01:54,709 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-28 04:01:54,710 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-28 04:01:54,713 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-28 04:01:54,715 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-28 04:01:54,717 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-28 04:01:54,717 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-28 04:01:54,718 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-28 04:01:54,720 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-28 04:01:54,723 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-28 04:01:54,726 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-28 04:01:54,726 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-28 04:01:54,727 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-28 04:01:54,728 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-28 04:01:54,728 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-28 04:01:54,728 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-28 04:01:54,729 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-28 04:01:54,730 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-28 04:01:54,730 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-28 04:01:54,731 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-28 04:01:54,731 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-28 04:01:54,732 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-28 04:01:54,732 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-28 04:01:54,732 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-28 04:01:54,733 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-28 04:01:54,734 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-28 04:01:54,737 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-28 04:01:54,758 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-28 04:01:54,759 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-28 04:01:54,760 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-28 04:01:54,760 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-28 04:01:54,760 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-28 04:01:54,761 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-28 04:01:54,761 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-28 04:01:54,762 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-28 04:01:54,762 INFO L138 SettingsManager]: * Use SBE=true [2021-12-28 04:01:54,762 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-28 04:01:54,762 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-28 04:01:54,762 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-28 04:01:54,762 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-28 04:01:54,762 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-28 04:01:54,762 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-28 04:01:54,762 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-28 04:01:54,763 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-28 04:01:54,763 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-28 04:01:54,763 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-28 04:01:54,763 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-28 04:01:54,763 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-28 04:01:54,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:01:54,763 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-28 04:01:54,763 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-28 04:01:54,763 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-28 04:01:54,763 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-28 04:01:54,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-28 04:01:54,764 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-28 04:01:54,764 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-28 04:01:54,764 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-28 04:01:54,764 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ecea5961d53d2608898d65c83a7bf6d9a36712172eaf67bd828ea354982e0e3d [2021-12-28 04:01:55,047 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-28 04:01:55,080 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-28 04:01:55,083 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-28 04:01:55,084 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-28 04:01:55,084 INFO L275 PluginConnector]: CDTParser initialized [2021-12-28 04:01:55,086 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--tulip.ko-entry_point.cil.out.i [2021-12-28 04:01:55,148 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a305215b9/8b4cc1a4f0384c59bd9515b6b2ea95f4/FLAG5ebfcc334 [2021-12-28 04:01:56,013 INFO L306 CDTParser]: Found 1 translation units. [2021-12-28 04:01:56,014 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--tulip.ko-entry_point.cil.out.i [2021-12-28 04:01:56,073 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a305215b9/8b4cc1a4f0384c59bd9515b6b2ea95f4/FLAG5ebfcc334 [2021-12-28 04:01:56,139 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a305215b9/8b4cc1a4f0384c59bd9515b6b2ea95f4 [2021-12-28 04:01:56,141 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-28 04:01:56,142 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-28 04:01:56,143 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-28 04:01:56,144 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-28 04:01:56,146 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-28 04:01:56,147 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:01:56" (1/1) ... [2021-12-28 04:01:56,147 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68261b3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:01:56, skipping insertion in model container [2021-12-28 04:01:56,147 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 04:01:56" (1/1) ... [2021-12-28 04:01:56,152 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-28 04:01:56,314 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-28 04:01:56,716 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5338] [2021-12-28 04:01:56,717 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5339-5340] [2021-12-28 04:01:56,839 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--tulip.ko-entry_point.cil.out.i[158055,158068] [2021-12-28 04:01:58,906 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:01:58,941 INFO L203 MainTranslator]: Completed pre-run [2021-12-28 04:01:59,014 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5338] [2021-12-28 04:01:59,014 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5339-5340] [2021-12-28 04:01:59,018 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--tulip.ko-entry_point.cil.out.i[158055,158068] [2021-12-28 04:01:59,330 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-28 04:01:59,495 INFO L208 MainTranslator]: Completed translation [2021-12-28 04:01:59,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:01:59 WrapperNode [2021-12-28 04:01:59,496 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-28 04:01:59,497 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-28 04:01:59,497 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-28 04:01:59,497 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-28 04:01:59,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:01:59" (1/1) ... [2021-12-28 04:01:59,684 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:01:59" (1/1) ... [2021-12-28 04:01:59,906 INFO L137 Inliner]: procedures = 437, calls = 4987, calls flagged for inlining = 192, calls inlined = 174, statements flattened = 9577 [2021-12-28 04:01:59,906 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-28 04:01:59,907 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-28 04:01:59,907 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-28 04:01:59,907 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-28 04:01:59,913 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:01:59" (1/1) ... [2021-12-28 04:01:59,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:01:59" (1/1) ... [2021-12-28 04:01:59,942 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:01:59" (1/1) ... [2021-12-28 04:01:59,942 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:01:59" (1/1) ... [2021-12-28 04:02:00,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:01:59" (1/1) ... [2021-12-28 04:02:00,150 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:01:59" (1/1) ... [2021-12-28 04:02:00,176 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:01:59" (1/1) ... [2021-12-28 04:02:00,212 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-28 04:02:00,213 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-28 04:02:00,214 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-28 04:02:00,214 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-28 04:02:00,215 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:01:59" (1/1) ... [2021-12-28 04:02:00,220 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-28 04:02:00,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-28 04:02:00,239 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) [2021-12-28 04:02:00,251 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 [2021-12-28 04:02:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_up [2021-12-28 04:02:00,268 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_up [2021-12-28 04:02:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-28 04:02:00,268 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-28 04:02:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-28 04:02:00,268 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-28 04:02:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-28 04:02:00,269 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-28 04:02:00,269 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_select_media [2021-12-28 04:02:00,269 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_select_media [2021-12-28 04:02:00,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-28 04:02:00,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-28 04:02:00,269 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit_le [2021-12-28 04:02:00,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit_le [2021-12-28 04:02:00,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-28 04:02:00,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-28 04:02:00,270 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-28 04:02:00,270 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-28 04:02:00,270 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-28 04:02:00,270 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-28 04:02:00,270 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-28 04:02:00,270 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-28 04:02:00,270 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-28 04:02:00,270 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-28 04:02:00,271 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2021-12-28 04:02:00,271 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2021-12-28 04:02:00,271 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-28 04:02:00,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-28 04:02:00,271 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-28 04:02:00,271 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-28 04:02:00,271 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-12-28 04:02:00,271 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-12-28 04:02:00,271 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-28 04:02:00,272 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-28 04:02:00,272 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-12-28 04:02:00,272 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-12-28 04:02:00,272 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-28 04:02:00,272 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-28 04:02:00,273 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_do_nway [2021-12-28 04:02:00,273 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_do_nway [2021-12-28 04:02:00,273 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-28 04:02:00,273 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-28 04:02:00,273 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-28 04:02:00,273 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-28 04:02:00,273 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-28 04:02:00,274 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-28 04:02:00,274 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-28 04:02:00,274 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-28 04:02:00,274 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-28 04:02:00,274 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-28 04:02:00,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-28 04:02:00,275 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_wolopts [2021-12-28 04:02:00,275 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_wolopts [2021-12-28 04:02:00,275 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2021-12-28 04:02:00,276 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2021-12-28 04:02:00,276 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_interrupt [2021-12-28 04:02:00,276 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_interrupt [2021-12-28 04:02:00,276 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-28 04:02:00,276 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-28 04:02:00,276 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-28 04:02:00,276 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-28 04:02:00,277 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___3 [2021-12-28 04:02:00,277 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___3 [2021-12-28 04:02:00,277 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___1 [2021-12-28 04:02:00,277 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___1 [2021-12-28 04:02:00,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-28 04:02:00,277 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___4 [2021-12-28 04:02:00,277 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___4 [2021-12-28 04:02:00,277 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-28 04:02:00,277 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-28 04:02:00,278 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-28 04:02:00,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-28 04:02:00,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-28 04:02:00,278 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2021-12-28 04:02:00,278 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2021-12-28 04:02:00,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-28 04:02:00,279 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2021-12-28 04:02:00,279 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2021-12-28 04:02:00,279 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-28 04:02:00,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-28 04:02:00,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-28 04:02:00,279 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-28 04:02:00,279 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2021-12-28 04:02:00,279 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2021-12-28 04:02:00,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-28 04:02:00,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-28 04:02:00,280 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2021-12-28 04:02:00,280 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2021-12-28 04:02:00,280 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-28 04:02:00,280 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-28 04:02:00,281 INFO L130 BoogieDeclarations]: Found specification of procedure poll_tulip [2021-12-28 04:02:00,281 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_tulip [2021-12-28 04:02:00,281 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-28 04:02:00,281 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-28 04:02:00,281 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_write [2021-12-28 04:02:00,282 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_write [2021-12-28 04:02:00,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-28 04:02:00,282 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2021-12-28 04:02:00,282 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2021-12-28 04:02:00,282 INFO L130 BoogieDeclarations]: Found specification of procedure private_ioctl [2021-12-28 04:02:00,282 INFO L138 BoogieDeclarations]: Found implementation of procedure private_ioctl [2021-12-28 04:02:00,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-28 04:02:00,282 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-28 04:02:00,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-28 04:02:00,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-28 04:02:00,283 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_start_nway [2021-12-28 04:02:00,283 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_start_nway [2021-12-28 04:02:00,283 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-12-28 04:02:00,283 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-12-28 04:02:00,283 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2021-12-28 04:02:00,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2021-12-28 04:02:00,284 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2021-12-28 04:02:00,284 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2021-12-28 04:02:00,284 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-28 04:02:00,284 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-28 04:02:00,285 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-28 04:02:00,286 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-28 04:02:00,286 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-28 04:02:00,286 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-28 04:02:00,287 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-12-28 04:02:00,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-12-28 04:02:00,288 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-28 04:02:00,288 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-28 04:02:00,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-28 04:02:00,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-28 04:02:00,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-28 04:02:00,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-28 04:02:00,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-28 04:02:00,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-28 04:02:00,293 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-28 04:02:00,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-28 04:02:00,294 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-28 04:02:00,294 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-28 04:02:00,294 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-28 04:02:00,294 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-28 04:02:00,294 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_power_state [2021-12-28 04:02:00,294 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_power_state [2021-12-28 04:02:00,294 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-28 04:02:00,294 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-28 04:02:00,294 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2021-12-28 04:02:00,294 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2021-12-28 04:02:00,295 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-28 04:02:00,295 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-28 04:02:00,295 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_tx_timeout [2021-12-28 04:02:00,295 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_tx_timeout [2021-12-28 04:02:00,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-28 04:02:00,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-28 04:02:00,295 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_check_duplex [2021-12-28 04:02:00,295 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_check_duplex [2021-12-28 04:02:00,295 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2021-12-28 04:02:00,295 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2021-12-28 04:02:00,295 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2021-12-28 04:02:00,296 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2021-12-28 04:02:00,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-28 04:02:00,296 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-28 04:02:00,296 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2021-12-28 04:02:00,296 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2021-12-28 04:02:00,296 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-28 04:02:00,296 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-28 04:02:00,296 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-28 04:02:00,296 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-28 04:02:00,296 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-12-28 04:02:00,297 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-12-28 04:02:00,297 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-28 04:02:00,297 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-28 04:02:00,297 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_get_stats [2021-12-28 04:02:00,297 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_get_stats [2021-12-28 04:02:00,297 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-28 04:02:00,297 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-28 04:02:00,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-28 04:02:00,297 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_read [2021-12-28 04:02:00,297 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_read [2021-12-28 04:02:00,298 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-28 04:02:00,298 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-28 04:02:00,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-28 04:02:00,298 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-28 04:02:00,298 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-28 04:02:00,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-28 04:02:00,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-28 04:02:00,298 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-12-28 04:02:00,298 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-12-28 04:02:00,298 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2021-12-28 04:02:00,299 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2021-12-28 04:02:00,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-28 04:02:00,299 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_down [2021-12-28 04:02:00,299 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_down [2021-12-28 04:02:00,299 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_stop_rxtx___2 [2021-12-28 04:02:00,299 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_stop_rxtx___2 [2021-12-28 04:02:00,299 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_remove_one [2021-12-28 04:02:00,299 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_remove_one [2021-12-28 04:02:00,299 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-28 04:02:00,299 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-28 04:02:00,299 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_free_ring [2021-12-28 04:02:00,300 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_free_ring [2021-12-28 04:02:00,300 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-28 04:02:00,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-28 04:02:00,300 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-28 04:02:00,300 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-28 04:02:00,300 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_refill_rx [2021-12-28 04:02:00,300 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_refill_rx [2021-12-28 04:02:00,300 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single___0 [2021-12-28 04:02:00,300 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single___0 [2021-12-28 04:02:00,300 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-28 04:02:00,301 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-28 04:02:00,301 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-28 04:02:00,301 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-28 04:02:00,301 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-28 04:02:00,301 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-28 04:02:00,301 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-28 04:02:00,301 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-28 04:02:00,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-28 04:02:00,301 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2021-12-28 04:02:00,301 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2021-12-28 04:02:00,301 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx [2021-12-28 04:02:00,302 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx [2021-12-28 04:02:00,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-28 04:02:00,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-28 04:02:00,302 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2021-12-28 04:02:00,302 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2021-12-28 04:02:00,302 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_start_rxtx [2021-12-28 04:02:00,302 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_start_rxtx [2021-12-28 04:02:00,342 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-28 04:02:00,342 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-28 04:02:00,342 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-28 04:02:00,342 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-28 04:02:00,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-28 04:02:00,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-28 04:02:00,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2021-12-28 04:02:00,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2021-12-28 04:02:00,342 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-28 04:02:00,342 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-28 04:02:00,342 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-28 04:02:00,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-28 04:02:00,342 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-28 04:02:00,342 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-28 04:02:00,342 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_start_nway [2021-12-28 04:02:00,342 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_start_nway [2021-12-28 04:02:00,342 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-28 04:02:00,342 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-28 04:02:00,342 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single___0 [2021-12-28 04:02:00,343 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single___0 [2021-12-28 04:02:00,343 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_read_eeprom [2021-12-28 04:02:00,343 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_read_eeprom [2021-12-28 04:02:00,343 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-28 04:02:00,343 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-28 04:02:00,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-28 04:02:01,092 INFO L234 CfgBuilder]: Building ICFG [2021-12-28 04:02:01,095 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-28 04:02:01,730 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-28 04:02:06,153 INFO L275 CfgBuilder]: Performing block encoding [2021-12-28 04:02:06,168 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-28 04:02:06,169 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-28 04:02:06,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:02:06 BoogieIcfgContainer [2021-12-28 04:02:06,172 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-28 04:02:06,173 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-28 04:02:06,173 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-28 04:02:06,176 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-28 04:02:06,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 04:01:56" (1/3) ... [2021-12-28 04:02:06,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@707e80ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:02:06, skipping insertion in model container [2021-12-28 04:02:06,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 04:01:59" (2/3) ... [2021-12-28 04:02:06,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@707e80ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 04:02:06, skipping insertion in model container [2021-12-28 04:02:06,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 04:02:06" (3/3) ... [2021-12-28 04:02:06,178 INFO L111 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--tulip.ko-entry_point.cil.out.i [2021-12-28 04:02:06,181 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-28 04:02:06,181 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-28 04:02:06,226 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-28 04:02:06,231 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 [2021-12-28 04:02:06,231 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-28 04:02:06,321 INFO L276 IsEmpty]: Start isEmpty. Operand has 2993 states, 2097 states have (on average 1.3938960419647115) internal successors, (2923), 2191 states have internal predecessors, (2923), 781 states have call successors, (781), 115 states have call predecessors, (781), 114 states have return successors, (772), 738 states have call predecessors, (772), 772 states have call successors, (772) [2021-12-28 04:02:06,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-12-28 04:02:06,333 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:02:06,333 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 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] [2021-12-28 04:02:06,334 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:02:06,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:02:06,338 INFO L85 PathProgramCache]: Analyzing trace with hash 466734356, now seen corresponding path program 1 times [2021-12-28 04:02:06,344 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:02:06,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411572916] [2021-12-28 04:02:06,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:02:06,345 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:02:06,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:06,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:02:06,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:06,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 04:02:06,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:06,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:02:06,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:06,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 04:02:06,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:06,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-28 04:02:06,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:06,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 04:02:06,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:06,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-28 04:02:06,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:06,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-28 04:02:06,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:06,911 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-12-28 04:02:06,911 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:02:06,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411572916] [2021-12-28 04:02:06,912 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411572916] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:02:06,913 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:02:06,913 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-28 04:02:06,914 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273351169] [2021-12-28 04:02:06,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:02:06,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-28 04:02:06,918 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:02:06,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-28 04:02:06,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-28 04:02:06,946 INFO L87 Difference]: Start difference. First operand has 2993 states, 2097 states have (on average 1.3938960419647115) internal successors, (2923), 2191 states have internal predecessors, (2923), 781 states have call successors, (781), 115 states have call predecessors, (781), 114 states have return successors, (772), 738 states have call predecessors, (772), 772 states have call successors, (772) Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-28 04:02:18,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:02:18,136 INFO L93 Difference]: Finished difference Result 8977 states and 13564 transitions. [2021-12-28 04:02:18,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 04:02:18,139 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 71 [2021-12-28 04:02:18,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:02:18,189 INFO L225 Difference]: With dead ends: 8977 [2021-12-28 04:02:18,191 INFO L226 Difference]: Without dead ends: 5942 [2021-12-28 04:02:18,215 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-28 04:02:18,217 INFO L933 BasicCegarLoop]: 4580 mSDtfsCounter, 6060 mSDsluCounter, 6241 mSDsCounter, 0 mSdLazyCounter, 5849 mSolverCounterSat, 4258 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6577 SdHoareTripleChecker+Valid, 10821 SdHoareTripleChecker+Invalid, 10107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4258 IncrementalHoareTripleChecker+Valid, 5849 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2021-12-28 04:02:18,218 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6577 Valid, 10821 Invalid, 10107 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4258 Valid, 5849 Invalid, 0 Unknown, 0 Unchecked, 10.5s Time] [2021-12-28 04:02:18,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5942 states. [2021-12-28 04:02:18,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5942 to 5394. [2021-12-28 04:02:18,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5394 states, 3793 states have (on average 1.3857105193778012) internal successors, (5256), 3940 states have internal predecessors, (5256), 1386 states have call successors, (1386), 214 states have call predecessors, (1386), 214 states have return successors, (1389), 1321 states have call predecessors, (1389), 1385 states have call successors, (1389) [2021-12-28 04:02:18,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5394 states to 5394 states and 8031 transitions. [2021-12-28 04:02:18,658 INFO L78 Accepts]: Start accepts. Automaton has 5394 states and 8031 transitions. Word has length 71 [2021-12-28 04:02:18,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:02:18,659 INFO L470 AbstractCegarLoop]: Abstraction has 5394 states and 8031 transitions. [2021-12-28 04:02:18,659 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-28 04:02:18,659 INFO L276 IsEmpty]: Start isEmpty. Operand 5394 states and 8031 transitions. [2021-12-28 04:02:18,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-12-28 04:02:18,669 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:02:18,670 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:02:18,670 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-28 04:02:18,670 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:02:18,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:02:18,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1296466078, now seen corresponding path program 1 times [2021-12-28 04:02:18,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:02:18,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615026258] [2021-12-28 04:02:18,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:02:18,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:02:18,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:19,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:02:19,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:19,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 04:02:19,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:19,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:02:19,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:19,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 04:02:19,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:19,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-28 04:02:19,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:19,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 04:02:19,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:19,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-28 04:02:19,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:19,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-28 04:02:19,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:19,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 04:02:19,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:19,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-28 04:02:19,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:19,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-28 04:02:19,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:19,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-28 04:02:19,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:19,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-28 04:02:19,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:19,152 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-12-28 04:02:19,152 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:02:19,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615026258] [2021-12-28 04:02:19,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615026258] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:02:19,153 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:02:19,153 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:02:19,153 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788855531] [2021-12-28 04:02:19,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:02:19,154 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:02:19,154 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:02:19,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:02:19,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:02:19,155 INFO L87 Difference]: Start difference. First operand 5394 states and 8031 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-28 04:02:25,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:02:25,952 INFO L93 Difference]: Finished difference Result 11051 states and 16586 transitions. [2021-12-28 04:02:25,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-28 04:02:25,952 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 111 [2021-12-28 04:02:25,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:02:25,982 INFO L225 Difference]: With dead ends: 11051 [2021-12-28 04:02:25,983 INFO L226 Difference]: Without dead ends: 5672 [2021-12-28 04:02:26,011 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2021-12-28 04:02:26,012 INFO L933 BasicCegarLoop]: 3700 mSDtfsCounter, 6071 mSDsluCounter, 2696 mSDsCounter, 0 mSdLazyCounter, 3180 mSolverCounterSat, 3779 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6533 SdHoareTripleChecker+Valid, 6396 SdHoareTripleChecker+Invalid, 6959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3779 IncrementalHoareTripleChecker+Valid, 3180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2021-12-28 04:02:26,012 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6533 Valid, 6396 Invalid, 6959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3779 Valid, 3180 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2021-12-28 04:02:26,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5672 states. [2021-12-28 04:02:26,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5672 to 5119. [2021-12-28 04:02:26,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5119 states, 3618 states have (on average 1.3568269762299614) internal successors, (4909), 3765 states have internal predecessors, (4909), 1286 states have call successors, (1286), 214 states have call predecessors, (1286), 214 states have return successors, (1289), 1221 states have call predecessors, (1289), 1285 states have call successors, (1289) [2021-12-28 04:02:26,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5119 states to 5119 states and 7484 transitions. [2021-12-28 04:02:26,238 INFO L78 Accepts]: Start accepts. Automaton has 5119 states and 7484 transitions. Word has length 111 [2021-12-28 04:02:26,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:02:26,240 INFO L470 AbstractCegarLoop]: Abstraction has 5119 states and 7484 transitions. [2021-12-28 04:02:26,240 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 3 states have internal predecessors, (64), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-28 04:02:26,240 INFO L276 IsEmpty]: Start isEmpty. Operand 5119 states and 7484 transitions. [2021-12-28 04:02:26,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-12-28 04:02:26,245 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:02:26,245 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:02:26,245 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-28 04:02:26,246 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:02:26,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:02:26,246 INFO L85 PathProgramCache]: Analyzing trace with hash -510734873, now seen corresponding path program 1 times [2021-12-28 04:02:26,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:02:26,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129048703] [2021-12-28 04:02:26,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:02:26,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:02:26,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:26,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:02:26,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:26,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 04:02:26,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:26,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:02:26,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:26,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 04:02:26,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:26,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-28 04:02:26,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:26,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 04:02:26,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:26,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-28 04:02:26,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:26,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-28 04:02:26,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:26,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-28 04:02:26,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:26,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-28 04:02:26,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:26,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-28 04:02:26,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:26,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-28 04:02:26,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:26,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-28 04:02:26,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:26,683 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-12-28 04:02:26,684 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:02:26,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129048703] [2021-12-28 04:02:26,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129048703] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:02:26,684 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:02:26,684 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-28 04:02:26,685 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650195123] [2021-12-28 04:02:26,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:02:26,686 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-28 04:02:26,686 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:02:26,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-28 04:02:26,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-28 04:02:26,688 INFO L87 Difference]: Start difference. First operand 5119 states and 7484 transitions. Second operand has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2021-12-28 04:02:33,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:02:33,454 INFO L93 Difference]: Finished difference Result 6367 states and 9283 transitions. [2021-12-28 04:02:33,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-28 04:02:33,454 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 106 [2021-12-28 04:02:33,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:02:33,477 INFO L225 Difference]: With dead ends: 6367 [2021-12-28 04:02:33,477 INFO L226 Difference]: Without dead ends: 6364 [2021-12-28 04:02:33,479 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2021-12-28 04:02:33,479 INFO L933 BasicCegarLoop]: 3968 mSDtfsCounter, 6086 mSDsluCounter, 3091 mSDsCounter, 0 mSdLazyCounter, 3837 mSolverCounterSat, 3874 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6505 SdHoareTripleChecker+Valid, 7059 SdHoareTripleChecker+Invalid, 7711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3874 IncrementalHoareTripleChecker+Valid, 3837 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2021-12-28 04:02:33,480 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6505 Valid, 7059 Invalid, 7711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3874 Valid, 3837 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2021-12-28 04:02:33,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6364 states. [2021-12-28 04:02:33,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6364 to 5687. [2021-12-28 04:02:33,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5687 states, 4005 states have (on average 1.345318352059925) internal successors, (5388), 4160 states have internal predecessors, (5388), 1411 states have call successors, (1411), 270 states have call predecessors, (1411), 270 states have return successors, (1424), 1340 states have call predecessors, (1424), 1410 states have call successors, (1424) [2021-12-28 04:02:33,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5687 states to 5687 states and 8223 transitions. [2021-12-28 04:02:33,686 INFO L78 Accepts]: Start accepts. Automaton has 5687 states and 8223 transitions. Word has length 106 [2021-12-28 04:02:33,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:02:33,688 INFO L470 AbstractCegarLoop]: Abstraction has 5687 states and 8223 transitions. [2021-12-28 04:02:33,688 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 3 states have internal predecessors, (59), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2021-12-28 04:02:33,688 INFO L276 IsEmpty]: Start isEmpty. Operand 5687 states and 8223 transitions. [2021-12-28 04:02:33,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-12-28 04:02:33,698 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:02:33,698 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:02:33,698 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-28 04:02:33,699 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:02:33,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:02:33,699 INFO L85 PathProgramCache]: Analyzing trace with hash -93037146, now seen corresponding path program 1 times [2021-12-28 04:02:33,699 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:02:33,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80064440] [2021-12-28 04:02:33,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:02:33,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:02:33,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:33,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:02:33,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:33,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 04:02:33,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:33,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:02:33,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:33,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 04:02:33,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:33,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-28 04:02:33,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:33,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 04:02:33,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:33,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-28 04:02:33,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:33,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-28 04:02:33,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:33,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-28 04:02:33,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:33,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:02:33,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:33,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-28 04:02:33,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:33,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-28 04:02:33,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:33,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-28 04:02:33,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:33,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-28 04:02:33,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:33,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-28 04:02:33,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:33,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-28 04:02:33,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:33,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-28 04:02:33,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:33,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-28 04:02:33,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:33,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-28 04:02:33,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:33,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-28 04:02:33,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:34,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-28 04:02:34,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:34,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:02:34,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:34,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-28 04:02:34,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:34,023 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-12-28 04:02:34,024 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:02:34,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80064440] [2021-12-28 04:02:34,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80064440] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:02:34,024 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:02:34,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-28 04:02:34,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553140805] [2021-12-28 04:02:34,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:02:34,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-28 04:02:34,025 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:02:34,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-28 04:02:34,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-28 04:02:34,026 INFO L87 Difference]: Start difference. First operand 5687 states and 8223 transitions. Second operand has 8 states, 8 states have (on average 10.25) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-28 04:02:50,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-28 04:02:50,418 INFO L93 Difference]: Finished difference Result 21266 states and 31697 transitions. [2021-12-28 04:02:50,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-12-28 04:02:50,419 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 154 [2021-12-28 04:02:50,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-28 04:02:50,515 INFO L225 Difference]: With dead ends: 21266 [2021-12-28 04:02:50,516 INFO L226 Difference]: Without dead ends: 15594 [2021-12-28 04:02:50,543 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=151, Invalid=401, Unknown=0, NotChecked=0, Total=552 [2021-12-28 04:02:50,546 INFO L933 BasicCegarLoop]: 4460 mSDtfsCounter, 15030 mSDsluCounter, 7429 mSDsCounter, 0 mSdLazyCounter, 12859 mSolverCounterSat, 14799 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15540 SdHoareTripleChecker+Valid, 11889 SdHoareTripleChecker+Invalid, 27658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 14799 IncrementalHoareTripleChecker+Valid, 12859 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2021-12-28 04:02:50,546 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15540 Valid, 11889 Invalid, 27658 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [14799 Valid, 12859 Invalid, 0 Unknown, 0 Unchecked, 15.5s Time] [2021-12-28 04:02:50,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15594 states. [2021-12-28 04:02:51,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15594 to 9893. [2021-12-28 04:02:51,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9893 states, 6927 states have (on average 1.3404071026418363) internal successors, (9285), 7197 states have internal predecessors, (9285), 2480 states have call successors, (2480), 477 states have call predecessors, (2480), 485 states have return successors, (2545), 2357 states have call predecessors, (2545), 2479 states have call successors, (2545) [2021-12-28 04:02:51,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9893 states to 9893 states and 14310 transitions. [2021-12-28 04:02:51,139 INFO L78 Accepts]: Start accepts. Automaton has 9893 states and 14310 transitions. Word has length 154 [2021-12-28 04:02:51,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-28 04:02:51,139 INFO L470 AbstractCegarLoop]: Abstraction has 9893 states and 14310 transitions. [2021-12-28 04:02:51,140 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.25) internal successors, (82), 3 states have internal predecessors, (82), 2 states have call successors, (28), 7 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-28 04:02:51,140 INFO L276 IsEmpty]: Start isEmpty. Operand 9893 states and 14310 transitions. [2021-12-28 04:02:51,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-12-28 04:02:51,154 INFO L506 BasicCegarLoop]: Found error trace [2021-12-28 04:02:51,154 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-28 04:02:51,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-28 04:02:51,155 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-28 04:02:51,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-28 04:02:51,155 INFO L85 PathProgramCache]: Analyzing trace with hash 310118013, now seen corresponding path program 1 times [2021-12-28 04:02:51,156 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-28 04:02:51,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639552540] [2021-12-28 04:02:51,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-28 04:02:51,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-28 04:02:51,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:51,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-28 04:02:51,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:51,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-28 04:02:51,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:51,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-28 04:02:51,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:51,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-28 04:02:51,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:51,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-28 04:02:51,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:51,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-28 04:02:51,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:51,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-28 04:02:51,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:51,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-28 04:02:51,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:51,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-28 04:02:51,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:51,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-28 04:02:51,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:51,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-28 04:02:51,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:51,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-28 04:02:51,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:51,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:02:51,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:51,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-28 04:02:51,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:51,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-28 04:02:51,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:51,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-28 04:02:51,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:51,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-28 04:02:51,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:51,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-28 04:02:51,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:51,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-28 04:02:51,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:51,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-28 04:02:51,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:51,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-28 04:02:51,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:51,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-28 04:02:51,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:51,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-28 04:02:51,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:51,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-28 04:02:51,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:51,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-28 04:02:51,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:51,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-28 04:02:51,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-28 04:02:51,520 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2021-12-28 04:02:51,520 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-28 04:02:51,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639552540] [2021-12-28 04:02:51,521 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639552540] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-28 04:02:51,521 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-28 04:02:51,521 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-28 04:02:51,521 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193682366] [2021-12-28 04:02:51,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-28 04:02:51,522 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-28 04:02:51,522 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-28 04:02:51,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-28 04:02:51,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-28 04:02:51,523 INFO L87 Difference]: Start difference. First operand 9893 states and 14310 transitions. Second operand has 8 states, 8 states have (on average 13.0) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (31), 7 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26)