./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 e19ca921 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-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-e19ca92 [2021-12-22 14:43:41,804 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 14:43:41,806 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 14:43:41,827 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 14:43:41,827 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 14:43:41,828 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 14:43:41,829 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 14:43:41,830 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 14:43:41,831 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 14:43:41,832 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 14:43:41,832 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 14:43:41,833 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 14:43:41,833 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 14:43:41,834 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 14:43:41,835 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 14:43:41,836 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 14:43:41,836 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 14:43:41,837 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 14:43:41,838 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 14:43:41,863 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 14:43:41,865 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 14:43:41,866 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 14:43:41,868 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 14:43:41,869 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 14:43:41,873 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 14:43:41,874 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 14:43:41,874 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 14:43:41,875 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 14:43:41,876 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 14:43:41,876 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 14:43:41,876 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 14:43:41,877 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 14:43:41,878 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 14:43:41,879 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 14:43:41,880 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 14:43:41,880 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 14:43:41,880 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 14:43:41,880 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 14:43:41,881 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 14:43:41,881 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 14:43:41,881 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 14:43:41,882 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-22 14:43:41,906 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 14:43:41,907 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 14:43:41,907 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 14:43:41,907 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 14:43:41,908 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 14:43:41,908 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 14:43:41,908 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 14:43:41,909 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 14:43:41,909 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 14:43:41,909 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 14:43:41,910 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 14:43:41,910 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 14:43:41,910 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-22 14:43:41,910 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 14:43:41,910 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-22 14:43:41,910 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 14:43:41,910 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 14:43:41,911 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-22 14:43:41,911 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 14:43:41,911 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 14:43:41,911 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 14:43:41,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:43:41,911 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 14:43:41,912 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 14:43:41,912 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-22 14:43:41,912 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 14:43:41,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 14:43:41,912 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-22 14:43:41,912 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-22 14:43:41,912 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-22 14:43:41,913 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 14:43:41,913 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ecea5961d53d2608898d65c83a7bf6d9a36712172eaf67bd828ea354982e0e3d [2021-12-22 14:43:42,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 14:43:42,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 14:43:42,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 14:43:42,115 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 14:43:42,115 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 14:43:42,116 INFO L432 ainManager$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 [2021-12-22 14:43:42,157 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c60b57c7/7fbece11d72344d19ea9912d896cb044/FLAG05f7762c6 [2021-12-22 14:43:42,853 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 14:43:42,853 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 [2021-12-22 14:43:42,909 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c60b57c7/7fbece11d72344d19ea9912d896cb044/FLAG05f7762c6 [2021-12-22 14:43:43,409 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c60b57c7/7fbece11d72344d19ea9912d896cb044 [2021-12-22 14:43:43,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 14:43:43,421 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 14:43:43,423 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 14:43:43,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 14:43:43,442 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 14:43:43,442 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:43:43" (1/1) ... [2021-12-22 14:43:43,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79f23bfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:43:43, skipping insertion in model container [2021-12-22 14:43:43,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:43:43" (1/1) ... [2021-12-22 14:43:43,447 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 14:43:43,564 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 14:43:43,954 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5338] [2021-12-22 14:43:43,955 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] [2021-12-22 14:43:44,160 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] [2021-12-22 14:43:45,646 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:43:45,677 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 14:43:45,751 WARN L1240 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5338] [2021-12-22 14:43:45,753 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] [2021-12-22 14:43:45,755 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] [2021-12-22 14:43:45,962 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 14:43:46,108 INFO L208 MainTranslator]: Completed translation [2021-12-22 14:43:46,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:43:46 WrapperNode [2021-12-22 14:43:46,109 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 14:43:46,110 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 14:43:46,110 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 14:43:46,110 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 14:43:46,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:43:46" (1/1) ... [2021-12-22 14:43:46,228 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:43:46" (1/1) ... [2021-12-22 14:43:46,437 INFO L137 Inliner]: procedures = 437, calls = 4987, calls flagged for inlining = 192, calls inlined = 174, statements flattened = 9577 [2021-12-22 14:43:46,438 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 14:43:46,438 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 14:43:46,438 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 14:43:46,438 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 14:43:46,444 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:43:46" (1/1) ... [2021-12-22 14:43:46,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:43:46" (1/1) ... [2021-12-22 14:43:46,473 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:43:46" (1/1) ... [2021-12-22 14:43:46,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:43:46" (1/1) ... [2021-12-22 14:43:46,668 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:43:46" (1/1) ... [2021-12-22 14:43:46,699 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:43:46" (1/1) ... [2021-12-22 14:43:46,723 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:43:46" (1/1) ... [2021-12-22 14:43:46,756 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 14:43:46,757 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 14:43:46,758 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 14:43:46,758 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 14:43:46,758 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:43:46" (1/1) ... [2021-12-22 14:43:46,764 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 14:43:46,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 14:43:46,792 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-22 14:43:46,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-22 14:43:46,844 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_up [2021-12-22 14:43:46,844 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_up [2021-12-22 14:43:46,845 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-22 14:43:46,845 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-22 14:43:46,845 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-22 14:43:46,845 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-22 14:43:46,845 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-12-22 14:43:46,845 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-12-22 14:43:46,845 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_select_media [2021-12-22 14:43:46,845 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_select_media [2021-12-22 14:43:46,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-22 14:43:46,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-22 14:43:46,846 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit_le [2021-12-22 14:43:46,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit_le [2021-12-22 14:43:46,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-22 14:43:46,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-22 14:43:46,846 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-22 14:43:46,846 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-22 14:43:46,846 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-22 14:43:46,846 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-22 14:43:46,847 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-22 14:43:46,847 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-22 14:43:46,847 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-22 14:43:46,847 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-22 14:43:46,847 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2021-12-22 14:43:46,847 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2021-12-22 14:43:46,847 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-12-22 14:43:46,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-12-22 14:43:46,847 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-22 14:43:46,848 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-22 14:43:46,848 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-12-22 14:43:46,848 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-12-22 14:43:46,848 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-22 14:43:46,848 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-22 14:43:46,848 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2021-12-22 14:43:46,848 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2021-12-22 14:43:46,848 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-22 14:43:46,848 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-22 14:43:46,849 INFO L130 BoogieDeclarations]: Found specification of procedure pnic_do_nway [2021-12-22 14:43:46,849 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic_do_nway [2021-12-22 14:43:46,849 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-22 14:43:46,849 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-22 14:43:46,849 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-12-22 14:43:46,849 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-12-22 14:43:46,849 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-22 14:43:46,850 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-22 14:43:46,850 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-22 14:43:46,850 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-22 14:43:46,850 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-22 14:43:46,850 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-22 14:43:46,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-22 14:43:46,850 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_wolopts [2021-12-22 14:43:46,851 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_wolopts [2021-12-22 14:43:46,851 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2021-12-22 14:43:46,851 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2021-12-22 14:43:46,852 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_interrupt [2021-12-22 14:43:46,852 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_interrupt [2021-12-22 14:43:46,852 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-22 14:43:46,852 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-22 14:43:46,852 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-22 14:43:46,852 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-22 14:43:46,853 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___3 [2021-12-22 14:43:46,853 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___3 [2021-12-22 14:43:46,853 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___1 [2021-12-22 14:43:46,853 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___1 [2021-12-22 14:43:46,853 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-22 14:43:46,853 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx___4 [2021-12-22 14:43:46,853 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx___4 [2021-12-22 14:43:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-22 14:43:46,854 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-22 14:43:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-22 14:43:46,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-22 14:43:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-22 14:43:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2021-12-22 14:43:46,854 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2021-12-22 14:43:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-22 14:43:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2021-12-22 14:43:46,855 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2021-12-22 14:43:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-22 14:43:46,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-22 14:43:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-22 14:43:46,855 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-22 14:43:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_2 [2021-12-22 14:43:46,855 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_2 [2021-12-22 14:43:46,856 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-22 14:43:46,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-22 14:43:46,856 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2021-12-22 14:43:46,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2021-12-22 14:43:46,856 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-22 14:43:46,856 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-22 14:43:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure poll_tulip [2021-12-22 14:43:46,857 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_tulip [2021-12-22 14:43:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-22 14:43:46,857 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-22 14:43:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_write [2021-12-22 14:43:46,858 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_write [2021-12-22 14:43:46,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-22 14:43:46,858 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2021-12-22 14:43:46,858 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2021-12-22 14:43:46,858 INFO L130 BoogieDeclarations]: Found specification of procedure private_ioctl [2021-12-22 14:43:46,858 INFO L138 BoogieDeclarations]: Found implementation of procedure private_ioctl [2021-12-22 14:43:46,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 14:43:46,859 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-22 14:43:46,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-22 14:43:46,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-22 14:43:46,859 INFO L130 BoogieDeclarations]: Found specification of procedure t21142_start_nway [2021-12-22 14:43:46,859 INFO L138 BoogieDeclarations]: Found implementation of procedure t21142_start_nway [2021-12-22 14:43:46,859 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-12-22 14:43:46,859 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-12-22 14:43:46,860 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2021-12-22 14:43:46,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2021-12-22 14:43:46,860 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2021-12-22 14:43:46,860 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2021-12-22 14:43:46,860 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-12-22 14:43:46,861 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-12-22 14:43:46,862 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-22 14:43:46,863 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-22 14:43:46,863 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-22 14:43:46,863 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-22 14:43:46,864 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-12-22 14:43:46,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-12-22 14:43:46,864 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-22 14:43:46,864 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-22 14:43:46,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 14:43:46,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 14:43:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-22 14:43:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-22 14:43:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-22 14:43:46,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-22 14:43:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-22 14:43:46,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-22 14:43:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-22 14:43:46,869 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-22 14:43:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-22 14:43:46,870 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-22 14:43:46,870 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_set_power_state [2021-12-22 14:43:46,870 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_set_power_state [2021-12-22 14:43:46,870 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-22 14:43:46,870 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-22 14:43:46,870 INFO L130 BoogieDeclarations]: Found specification of procedure disable_irq [2021-12-22 14:43:46,870 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_irq [2021-12-22 14:43:46,870 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-22 14:43:46,870 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-22 14:43:46,870 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_tx_timeout [2021-12-22 14:43:46,870 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_tx_timeout [2021-12-22 14:43:46,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-22 14:43:46,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-22 14:43:46,871 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_check_duplex [2021-12-22 14:43:46,871 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_check_duplex [2021-12-22 14:43:46,871 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2021-12-22 14:43:46,871 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2021-12-22 14:43:46,871 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2021-12-22 14:43:46,871 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2021-12-22 14:43:46,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-22 14:43:46,871 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-22 14:43:46,872 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_2 [2021-12-22 14:43:46,872 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_2 [2021-12-22 14:43:46,872 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-22 14:43:46,872 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-22 14:43:46,872 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-12-22 14:43:46,872 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-12-22 14:43:46,872 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-12-22 14:43:46,872 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-12-22 14:43:46,872 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-22 14:43:46,872 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-22 14:43:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_get_stats [2021-12-22 14:43:46,873 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_get_stats [2021-12-22 14:43:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-22 14:43:46,873 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-22 14:43:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-22 14:43:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_mdio_read [2021-12-22 14:43:46,873 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_mdio_read [2021-12-22 14:43:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-22 14:43:46,873 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-22 14:43:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-22 14:43:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-22 14:43:46,874 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-22 14:43:46,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-12-22 14:43:46,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-12-22 14:43:46,874 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-12-22 14:43:46,874 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-12-22 14:43:46,874 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2021-12-22 14:43:46,874 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2021-12-22 14:43:46,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-22 14:43:46,874 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_down [2021-12-22 14:43:46,874 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_down [2021-12-22 14:43:46,875 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_stop_rxtx___2 [2021-12-22 14:43:46,875 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_stop_rxtx___2 [2021-12-22 14:43:46,875 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_remove_one [2021-12-22 14:43:46,875 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_remove_one [2021-12-22 14:43:46,875 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-22 14:43:46,875 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-22 14:43:46,875 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_free_ring [2021-12-22 14:43:46,875 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_free_ring [2021-12-22 14:43:46,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-22 14:43:46,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-22 14:43:46,876 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2021-12-22 14:43:46,876 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2021-12-22 14:43:46,876 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_refill_rx [2021-12-22 14:43:46,876 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_refill_rx [2021-12-22 14:43:46,876 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single___0 [2021-12-22 14:43:46,876 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single___0 [2021-12-22 14:43:46,876 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-22 14:43:46,876 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-22 14:43:46,876 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-12-22 14:43:46,876 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-12-22 14:43:46,877 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-22 14:43:46,877 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-22 14:43:46,877 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-22 14:43:46,877 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-22 14:43:46,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-22 14:43:46,877 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_2 [2021-12-22 14:43:46,877 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_2 [2021-12-22 14:43:46,877 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_restart_rxtx [2021-12-22 14:43:46,877 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_restart_rxtx [2021-12-22 14:43:46,877 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-22 14:43:46,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-22 14:43:46,878 INFO L130 BoogieDeclarations]: Found specification of procedure enable_irq [2021-12-22 14:43:46,878 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_irq [2021-12-22 14:43:46,878 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_start_rxtx [2021-12-22 14:43:46,878 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_start_rxtx [2021-12-22 14:43:46,878 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-22 14:43:46,878 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-22 14:43:46,878 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-22 14:43:46,878 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-22 14:43:46,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2021-12-22 14:43:46,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2021-12-22 14:43:46,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_2 [2021-12-22 14:43:46,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_2 [2021-12-22 14:43:46,879 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-12-22 14:43:46,879 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-12-22 14:43:46,879 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-22 14:43:46,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-22 14:43:46,879 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-12-22 14:43:46,879 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-12-22 14:43:46,879 INFO L130 BoogieDeclarations]: Found specification of procedure pnic2_start_nway [2021-12-22 14:43:46,879 INFO L138 BoogieDeclarations]: Found implementation of procedure pnic2_start_nway [2021-12-22 14:43:46,880 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-22 14:43:46,880 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-22 14:43:46,880 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single___0 [2021-12-22 14:43:46,880 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single___0 [2021-12-22 14:43:46,880 INFO L130 BoogieDeclarations]: Found specification of procedure tulip_read_eeprom [2021-12-22 14:43:46,883 INFO L138 BoogieDeclarations]: Found implementation of procedure tulip_read_eeprom [2021-12-22 14:43:46,883 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-22 14:43:46,883 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-22 14:43:46,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 14:43:47,669 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 14:43:47,672 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 14:43:48,200 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-22 14:43:52,850 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 14:43:52,873 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 14:43:52,874 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-22 14:43:52,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:43:52 BoogieIcfgContainer [2021-12-22 14:43:52,878 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 14:43:52,879 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-22 14:43:52,879 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-22 14:43:52,881 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-22 14:43:52,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 02:43:43" (1/3) ... [2021-12-22 14:43:52,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c461f8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:43:52, skipping insertion in model container [2021-12-22 14:43:52,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:43:46" (2/3) ... [2021-12-22 14:43:52,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c461f8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 02:43:52, skipping insertion in model container [2021-12-22 14:43:52,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 02:43:52" (3/3) ... [2021-12-22 14:43:52,883 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 [2021-12-22 14:43:52,889 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-22 14:43:52,889 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-22 14:43:52,936 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-22 14:43:52,942 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-22 14:43:52,943 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-22 14:43:52,999 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) [2021-12-22 14:43:53,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-12-22 14:43:53,019 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:43:53,020 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] [2021-12-22 14:43:53,021 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:43:53,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:43:53,024 INFO L85 PathProgramCache]: Analyzing trace with hash 466734356, now seen corresponding path program 1 times [2021-12-22 14:43:53,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:43:53,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408734741] [2021-12-22 14:43:53,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:43:53,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:43:53,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:43:53,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:43:53,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:43:53,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:43:53,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:43:53,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:43:53,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:43:53,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 14:43:53,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:43:53,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-22 14:43:53,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:43:53,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:43:53,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:43:53,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-12-22 14:43:53,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:43:53,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-12-22 14:43:53,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:43:53,602 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-12-22 14:43:53,602 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:43:53,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408734741] [2021-12-22 14:43:53,603 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408734741] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:43:53,605 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:43:53,605 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-22 14:43:53,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631714376] [2021-12-22 14:43:53,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:43:53,610 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-22 14:43:53,610 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:43:53,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 14:43:53,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-22 14:43:53,637 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) [2021-12-22 14:44:03,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:44:03,382 INFO L93 Difference]: Finished difference Result 8977 states and 13564 transitions. [2021-12-22 14:44:03,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 14:44:03,384 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 [2021-12-22 14:44:03,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:44:03,423 INFO L225 Difference]: With dead ends: 8977 [2021-12-22 14:44:03,423 INFO L226 Difference]: Without dead ends: 5942 [2021-12-22 14:44:03,440 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 [2021-12-22 14:44:03,443 INFO L933 BasicCegarLoop]: 4580 mSDtfsCounter, 6060 mSDsluCounter, 6835 mSDsCounter, 0 mSdLazyCounter, 5255 mSolverCounterSat, 4258 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6577 SdHoareTripleChecker+Valid, 11415 SdHoareTripleChecker+Invalid, 9513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4258 IncrementalHoareTripleChecker+Valid, 5255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2021-12-22 14:44:03,443 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6577 Valid, 11415 Invalid, 9513 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4258 Valid, 5255 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2021-12-22 14:44:03,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5942 states. [2021-12-22 14:44:03,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5942 to 5394. [2021-12-22 14:44:03,770 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) [2021-12-22 14:44:03,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5394 states to 5394 states and 8031 transitions. [2021-12-22 14:44:03,800 INFO L78 Accepts]: Start accepts. Automaton has 5394 states and 8031 transitions. Word has length 71 [2021-12-22 14:44:03,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:44:03,801 INFO L470 AbstractCegarLoop]: Abstraction has 5394 states and 8031 transitions. [2021-12-22 14:44:03,801 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) [2021-12-22 14:44:03,801 INFO L276 IsEmpty]: Start isEmpty. Operand 5394 states and 8031 transitions. [2021-12-22 14:44:03,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-12-22 14:44:03,813 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:44:03,813 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] [2021-12-22 14:44:03,813 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-22 14:44:03,814 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:44:03,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:44:03,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1296466078, now seen corresponding path program 1 times [2021-12-22 14:44:03,815 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:44:03,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056902879] [2021-12-22 14:44:03,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:44:03,815 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:44:03,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:04,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:44:04,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:04,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:44:04,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:04,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:44:04,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:04,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 14:44:04,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:04,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-22 14:44:04,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:04,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:44:04,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:04,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 14:44:04,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:04,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-22 14:44:04,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:04,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 14:44:04,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:04,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-22 14:44:04,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:04,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-12-22 14:44:04,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:04,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-22 14:44:04,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:04,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-22 14:44:04,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:04,230 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-12-22 14:44:04,230 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:44:04,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056902879] [2021-12-22 14:44:04,230 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056902879] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:44:04,230 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:44:04,230 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 14:44:04,232 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127997065] [2021-12-22 14:44:04,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:44:04,233 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 14:44:04,234 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:44:04,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 14:44:04,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-22 14:44:04,236 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) [2021-12-22 14:44:11,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:44:11,327 INFO L93 Difference]: Finished difference Result 11051 states and 16586 transitions. [2021-12-22 14:44:11,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 14:44:11,328 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 [2021-12-22 14:44:11,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:44:11,358 INFO L225 Difference]: With dead ends: 11051 [2021-12-22 14:44:11,359 INFO L226 Difference]: Without dead ends: 5672 [2021-12-22 14:44:11,381 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 [2021-12-22 14:44:11,383 INFO L933 BasicCegarLoop]: 3700 mSDtfsCounter, 6071 mSDsluCounter, 2696 mSDsCounter, 0 mSdLazyCounter, 3180 mSolverCounterSat, 3779 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s 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, 6.7s IncrementalHoareTripleChecker+Time [2021-12-22 14:44:11,383 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6533 Valid, 6396 Invalid, 6959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3779 Valid, 3180 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2021-12-22 14:44:11,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5672 states. [2021-12-22 14:44:11,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5672 to 5119. [2021-12-22 14:44:11,593 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) [2021-12-22 14:44:11,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5119 states to 5119 states and 7484 transitions. [2021-12-22 14:44:11,610 INFO L78 Accepts]: Start accepts. Automaton has 5119 states and 7484 transitions. Word has length 111 [2021-12-22 14:44:11,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:44:11,612 INFO L470 AbstractCegarLoop]: Abstraction has 5119 states and 7484 transitions. [2021-12-22 14:44:11,612 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) [2021-12-22 14:44:11,613 INFO L276 IsEmpty]: Start isEmpty. Operand 5119 states and 7484 transitions. [2021-12-22 14:44:11,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-12-22 14:44:11,617 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:44:11,618 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] [2021-12-22 14:44:11,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-22 14:44:11,618 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:44:11,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:44:11,619 INFO L85 PathProgramCache]: Analyzing trace with hash -510734873, now seen corresponding path program 1 times [2021-12-22 14:44:11,619 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:44:11,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993101505] [2021-12-22 14:44:11,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:44:11,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:44:11,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:11,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:44:11,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:11,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:44:11,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:11,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:44:11,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:11,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 14:44:11,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:11,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-22 14:44:11,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:11,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:44:11,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:11,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-22 14:44:11,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:11,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-22 14:44:11,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:11,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-22 14:44:11,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:11,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-22 14:44:11,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:11,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2021-12-22 14:44:11,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:11,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2021-12-22 14:44:11,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:11,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-12-22 14:44:11,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:11,992 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2021-12-22 14:44:11,993 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:44:11,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993101505] [2021-12-22 14:44:11,993 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993101505] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:44:11,993 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:44:11,993 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-22 14:44:11,993 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278566726] [2021-12-22 14:44:11,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:44:11,995 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-22 14:44:11,995 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:44:11,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-22 14:44:11,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-22 14:44:11,996 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) [2021-12-22 14:44:18,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:44:18,505 INFO L93 Difference]: Finished difference Result 6367 states and 9283 transitions. [2021-12-22 14:44:18,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-22 14:44:18,506 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 [2021-12-22 14:44:18,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:44:18,538 INFO L225 Difference]: With dead ends: 6367 [2021-12-22 14:44:18,538 INFO L226 Difference]: Without dead ends: 6364 [2021-12-22 14:44:18,543 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 [2021-12-22 14:44:18,547 INFO L933 BasicCegarLoop]: 3972 mSDtfsCounter, 6086 mSDsluCounter, 3258 mSDsCounter, 0 mSdLazyCounter, 3677 mSolverCounterSat, 3871 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6505 SdHoareTripleChecker+Valid, 7230 SdHoareTripleChecker+Invalid, 7548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3871 IncrementalHoareTripleChecker+Valid, 3677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2021-12-22 14:44:18,549 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6505 Valid, 7230 Invalid, 7548 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3871 Valid, 3677 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2021-12-22 14:44:18,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6364 states. [2021-12-22 14:44:18,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6364 to 5687. [2021-12-22 14:44:18,789 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) [2021-12-22 14:44:18,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5687 states to 5687 states and 8223 transitions. [2021-12-22 14:44:18,807 INFO L78 Accepts]: Start accepts. Automaton has 5687 states and 8223 transitions. Word has length 106 [2021-12-22 14:44:18,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:44:18,809 INFO L470 AbstractCegarLoop]: Abstraction has 5687 states and 8223 transitions. [2021-12-22 14:44:18,809 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) [2021-12-22 14:44:18,809 INFO L276 IsEmpty]: Start isEmpty. Operand 5687 states and 8223 transitions. [2021-12-22 14:44:18,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-12-22 14:44:18,820 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:44:18,821 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] [2021-12-22 14:44:18,821 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-22 14:44:18,821 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:44:18,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:44:18,821 INFO L85 PathProgramCache]: Analyzing trace with hash -93037146, now seen corresponding path program 1 times [2021-12-22 14:44:18,822 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:44:18,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066877960] [2021-12-22 14:44:18,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:44:18,822 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:44:18,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:19,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:44:19,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:19,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:44:19,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:19,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:44:19,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:19,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 14:44:19,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:19,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-22 14:44:19,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:19,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:44:19,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:19,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-22 14:44:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:19,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-22 14:44:19,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:19,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-22 14:44:19,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:19,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:44:19,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:19,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-12-22 14:44:19,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:19,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-22 14:44:19,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:19,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 14:44:19,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:19,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-22 14:44:19,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:19,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-22 14:44:19,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:19,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-22 14:44:19,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:19,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-22 14:44:19,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:19,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-12-22 14:44:19,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:19,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-22 14:44:19,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:19,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-22 14:44:19,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:19,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-22 14:44:19,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:19,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:44:19,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:19,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-12-22 14:44:19,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:19,226 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-12-22 14:44:19,227 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:44:19,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066877960] [2021-12-22 14:44:19,227 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066877960] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:44:19,227 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:44:19,227 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-22 14:44:19,227 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168313637] [2021-12-22 14:44:19,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:44:19,228 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-22 14:44:19,228 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:44:19,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-22 14:44:19,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-22 14:44:19,229 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) [2021-12-22 14:44:39,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 14:44:39,441 INFO L93 Difference]: Finished difference Result 21266 states and 31697 transitions. [2021-12-22 14:44:39,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-12-22 14:44:39,441 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 [2021-12-22 14:44:39,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-22 14:44:39,507 INFO L225 Difference]: With dead ends: 21266 [2021-12-22 14:44:39,507 INFO L226 Difference]: Without dead ends: 15594 [2021-12-22 14:44:39,526 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 [2021-12-22 14:44:39,528 INFO L933 BasicCegarLoop]: 4460 mSDtfsCounter, 15030 mSDsluCounter, 8133 mSDsCounter, 0 mSdLazyCounter, 12154 mSolverCounterSat, 14799 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15538 SdHoareTripleChecker+Valid, 12593 SdHoareTripleChecker+Invalid, 26953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 14799 IncrementalHoareTripleChecker+Valid, 12154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.2s IncrementalHoareTripleChecker+Time [2021-12-22 14:44:39,529 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15538 Valid, 12593 Invalid, 26953 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [14799 Valid, 12154 Invalid, 0 Unknown, 0 Unchecked, 19.2s Time] [2021-12-22 14:44:39,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15594 states. [2021-12-22 14:44:40,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15594 to 9893. [2021-12-22 14:44:40,053 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) [2021-12-22 14:44:40,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9893 states to 9893 states and 14310 transitions. [2021-12-22 14:44:40,088 INFO L78 Accepts]: Start accepts. Automaton has 9893 states and 14310 transitions. Word has length 154 [2021-12-22 14:44:40,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-22 14:44:40,089 INFO L470 AbstractCegarLoop]: Abstraction has 9893 states and 14310 transitions. [2021-12-22 14:44:40,089 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) [2021-12-22 14:44:40,089 INFO L276 IsEmpty]: Start isEmpty. Operand 9893 states and 14310 transitions. [2021-12-22 14:44:40,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-12-22 14:44:40,105 INFO L506 BasicCegarLoop]: Found error trace [2021-12-22 14:44:40,105 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] [2021-12-22 14:44:40,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-22 14:44:40,106 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-22 14:44:40,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 14:44:40,107 INFO L85 PathProgramCache]: Analyzing trace with hash 310118013, now seen corresponding path program 1 times [2021-12-22 14:44:40,107 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 14:44:40,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750274359] [2021-12-22 14:44:40,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 14:44:40,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 14:44:40,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:40,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-22 14:44:40,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:40,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-22 14:44:40,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:40,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-22 14:44:40,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:40,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-22 14:44:40,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:40,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-22 14:44:40,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:40,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-22 14:44:40,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:40,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-22 14:44:40,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:40,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-12-22 14:44:40,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:40,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-22 14:44:40,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:40,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-22 14:44:40,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:40,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-12-22 14:44:40,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:40,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-22 14:44:40,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:40,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:44:40,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:40,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-12-22 14:44:40,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:40,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-12-22 14:44:40,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:40,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2021-12-22 14:44:40,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:40,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-12-22 14:44:40,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:40,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-22 14:44:40,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:40,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-22 14:44:40,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:40,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-12-22 14:44:40,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:40,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-22 14:44:40,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:40,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-22 14:44:40,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:40,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-22 14:44:40,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:40,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-22 14:44:40,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:40,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-22 14:44:40,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:40,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2021-12-22 14:44:40,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 14:44:40,480 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2021-12-22 14:44:40,480 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 14:44:40,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750274359] [2021-12-22 14:44:40,480 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750274359] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 14:44:40,481 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 14:44:40,481 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-22 14:44:40,481 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713928618] [2021-12-22 14:44:40,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 14:44:40,482 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-22 14:44:40,482 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 14:44:40,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-22 14:44:40,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-22 14:44:40,483 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)