./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--isdn--i4l--isdn.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--isdn--i4l--isdn.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 dc84e51e523cd7d1ed5e8ead538b5d3b5209e177ea77bffad6006fa4b66e1367 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 00:54:41,599 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 00:54:41,601 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 00:54:41,656 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 00:54:41,657 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 00:54:41,658 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 00:54:41,660 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 00:54:41,662 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 00:54:41,664 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 00:54:41,668 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 00:54:41,669 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 00:54:41,671 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 00:54:41,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 00:54:41,673 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 00:54:41,674 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 00:54:41,677 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 00:54:41,677 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 00:54:41,679 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 00:54:41,680 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 00:54:41,685 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 00:54:41,687 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 00:54:41,688 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 00:54:41,688 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 00:54:41,689 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 00:54:41,690 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 00:54:41,696 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 00:54:41,696 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 00:54:41,696 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 00:54:41,697 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 00:54:41,698 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 00:54:41,698 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 00:54:41,699 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 00:54:41,700 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 00:54:41,700 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 00:54:41,701 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 00:54:41,702 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 00:54:41,703 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 00:54:41,703 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 00:54:41,704 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 00:54:41,704 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 00:54:41,705 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 00:54:41,706 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 00:54:41,707 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 00:54:41,730 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 00:54:41,730 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 00:54:41,731 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 00:54:41,731 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 00:54:41,731 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 00:54:41,732 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 00:54:41,732 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 00:54:41,732 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 00:54:41,732 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 00:54:41,733 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 00:54:41,733 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 00:54:41,733 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 00:54:41,733 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 00:54:41,734 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 00:54:41,734 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 00:54:41,734 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 00:54:41,734 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 00:54:41,734 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 00:54:41,734 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 00:54:41,735 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 00:54:41,735 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 00:54:41,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 00:54:41,735 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 00:54:41,735 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 00:54:41,735 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 00:54:41,736 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 00:54:41,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 00:54:41,736 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 00:54:41,736 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 00:54:41,736 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 00:54:41,736 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc84e51e523cd7d1ed5e8ead538b5d3b5209e177ea77bffad6006fa4b66e1367 [2022-07-23 00:54:41,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 00:54:41,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 00:54:41,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 00:54:41,981 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 00:54:41,981 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 00:54:41,982 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--isdn--i4l--isdn.ko-entry_point.cil.out.i [2022-07-23 00:54:42,027 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd880dc8e/aadb02d7389b4ca589aa814dd18e282f/FLAG4957ebdbd [2022-07-23 00:54:42,820 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 00:54:42,821 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--isdn--i4l--isdn.ko-entry_point.cil.out.i [2022-07-23 00:54:42,883 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd880dc8e/aadb02d7389b4ca589aa814dd18e282f/FLAG4957ebdbd [2022-07-23 00:54:43,009 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd880dc8e/aadb02d7389b4ca589aa814dd18e282f [2022-07-23 00:54:43,013 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 00:54:43,014 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 00:54:43,014 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 00:54:43,014 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 00:54:43,017 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 00:54:43,017 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:54:43" (1/1) ... [2022-07-23 00:54:43,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b4e4c05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:54:43, skipping insertion in model container [2022-07-23 00:54:43,018 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:54:43" (1/1) ... [2022-07-23 00:54:43,022 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 00:54:43,191 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 00:54:50,733 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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--isdn--i4l--isdn.ko-entry_point.cil.out.i[788125,788138] [2022-07-23 00:54:51,288 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:54:51,353 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 00:54:52,390 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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--isdn--i4l--isdn.ko-entry_point.cil.out.i[788125,788138] [2022-07-23 00:54:52,418 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 00:54:52,732 INFO L208 MainTranslator]: Completed translation [2022-07-23 00:54:52,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:54:52 WrapperNode [2022-07-23 00:54:52,734 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 00:54:52,735 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 00:54:52,735 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 00:54:52,735 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 00:54:52,740 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:54:52" (1/1) ... [2022-07-23 00:54:53,033 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:54:52" (1/1) ... [2022-07-23 00:54:54,041 INFO L137 Inliner]: procedures = 819, calls = 13802, calls flagged for inlining = 321, calls inlined = 265, statements flattened = 26732 [2022-07-23 00:54:54,042 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 00:54:54,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 00:54:54,043 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 00:54:54,043 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 00:54:54,050 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:54:52" (1/1) ... [2022-07-23 00:54:54,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:54:52" (1/1) ... [2022-07-23 00:54:54,275 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:54:52" (1/1) ... [2022-07-23 00:54:54,275 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:54:52" (1/1) ... [2022-07-23 00:54:55,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:54:52" (1/1) ... [2022-07-23 00:54:55,404 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:54:52" (1/1) ... [2022-07-23 00:54:55,665 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:54:52" (1/1) ... [2022-07-23 00:54:56,203 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 00:54:56,204 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 00:54:56,204 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 00:54:56,204 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 00:54:56,205 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:54:52" (1/1) ... [2022-07-23 00:54:56,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 00:54:56,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 00:54:56,235 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) [2022-07-23 00:54:56,253 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 [2022-07-23 00:54:56,270 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_lock [2022-07-23 00:54:56,270 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_lock [2022-07-23 00:54:56,270 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-07-23 00:54:56,270 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_compress [2022-07-23 00:54:56,270 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_compress [2022-07-23 00:54:56,270 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-07-23 00:54:56,270 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-07-23 00:54:56,271 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-07-23 00:54:56,271 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-07-23 00:54:56,271 INFO L130 BoogieDeclarations]: Found specification of procedure dst_link_failure [2022-07-23 00:54:56,271 INFO L138 BoogieDeclarations]: Found implementation of procedure dst_link_failure [2022-07-23 00:54:56,271 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-23 00:54:56,271 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-23 00:54:56,271 INFO L130 BoogieDeclarations]: Found specification of procedure bpf_prog_destroy [2022-07-23 00:54:56,271 INFO L138 BoogieDeclarations]: Found implementation of procedure bpf_prog_destroy [2022-07-23 00:54:56,272 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-07-23 00:54:56,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-07-23 00:54:56,272 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-23 00:54:56,272 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-23 00:54:56,272 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_open [2022-07-23 00:54:56,272 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_open [2022-07-23 00:54:56,272 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_concap_dl_disconn_req [2022-07-23 00:54:56,272 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_concap_dl_disconn_req [2022-07-23 00:54:56,273 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2022-07-23 00:54:56,273 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2022-07-23 00:54:56,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_modem_info_mutex [2022-07-23 00:54:56,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_modem_info_mutex [2022-07-23 00:54:56,273 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-07-23 00:54:56,273 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-07-23 00:54:56,273 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-23 00:54:56,273 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-23 00:54:56,274 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_command [2022-07-23 00:54:56,274 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_command [2022-07-23 00:54:56,274 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_senddown [2022-07-23 00:54:56,274 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_senddown [2022-07-23 00:54:56,274 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-07-23 00:54:56,274 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-07-23 00:54:56,274 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_stat_callback [2022-07-23 00:54:56,274 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_stat_callback [2022-07-23 00:54:56,275 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-23 00:54:56,275 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-23 00:54:56,275 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_minor2drv [2022-07-23 00:54:56,275 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_minor2drv [2022-07-23 00:54:56,275 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_init [2022-07-23 00:54:56,276 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_init [2022-07-23 00:54:56,276 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2022-07-23 00:54:56,276 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2022-07-23 00:54:56,276 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-23 00:54:56,276 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-23 00:54:56,276 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_unlock_driver [2022-07-23 00:54:56,276 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_unlock_driver [2022-07-23 00:54:56,277 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-23 00:54:56,277 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-23 00:54:56,277 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_init [2022-07-23 00:54:56,277 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_init [2022-07-23 00:54:56,278 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_modem_reset_regs [2022-07-23 00:54:56,278 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_modem_reset_regs [2022-07-23 00:54:56,278 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-07-23 00:54:56,278 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-07-23 00:54:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2022-07-23 00:54:56,279 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2022-07-23 00:54:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2022-07-23 00:54:56,279 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2022-07-23 00:54:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 00:54:56,280 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-07-23 00:54:56,280 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-07-23 00:54:56,280 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_device_wake_queue [2022-07-23 00:54:56,280 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_device_wake_queue [2022-07-23 00:54:56,280 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-07-23 00:54:56,280 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-07-23 00:54:56,280 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-23 00:54:56,281 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-23 00:54:56,281 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_writebuf_skb_stub [2022-07-23 00:54:56,281 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_writebuf_skb_stub [2022-07-23 00:54:56,281 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_unexclusive_channel [2022-07-23 00:54:56,281 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_unexclusive_channel [2022-07-23 00:54:56,282 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_realrm [2022-07-23 00:54:56,282 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_realrm [2022-07-23 00:54:56,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-23 00:54:56,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-23 00:54:56,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 00:54:56,282 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2022-07-23 00:54:56,282 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2022-07-23 00:54:56,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 00:54:56,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 00:54:56,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 00:54:56,283 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-23 00:54:56,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-23 00:54:56,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 00:54:56,284 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-23 00:54:56,284 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-23 00:54:56,284 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-23 00:54:56,284 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2022-07-23 00:54:56,284 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2022-07-23 00:54:56,284 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_add_to_bundle [2022-07-23 00:54:56,285 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_add_to_bundle [2022-07-23 00:54:56,285 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-07-23 00:54:56,285 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-07-23 00:54:56,285 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_set_termios [2022-07-23 00:54:56,286 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_set_termios [2022-07-23 00:54:56,286 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_modem_result [2022-07-23 00:54:56,286 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_modem_result [2022-07-23 00:54:56,286 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-07-23 00:54:56,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-07-23 00:54:56,286 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-23 00:54:56,286 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-23 00:54:56,287 INFO L130 BoogieDeclarations]: Found specification of procedure set_global_features [2022-07-23 00:54:56,287 INFO L138 BoogieDeclarations]: Found implementation of procedure set_global_features [2022-07-23 00:54:56,287 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-23 00:54:56,287 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-23 00:54:56,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 00:54:56,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 00:54:56,287 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_disconn_ind [2022-07-23 00:54:56,288 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_disconn_ind [2022-07-23 00:54:56,288 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-23 00:54:56,288 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-23 00:54:56,288 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_write_room [2022-07-23 00:54:56,288 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_write_room [2022-07-23 00:54:56,289 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_timer_ctrl [2022-07-23 00:54:56,290 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_timer_ctrl [2022-07-23 00:54:56,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 00:54:56,291 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_info_update [2022-07-23 00:54:56,291 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_info_update [2022-07-23 00:54:56,292 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_lp_busy [2022-07-23 00:54:56,292 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_lp_busy [2022-07-23 00:54:56,292 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-07-23 00:54:56,292 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-07-23 00:54:56,293 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2022-07-23 00:54:56,296 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2022-07-23 00:54:56,296 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-23 00:54:56,296 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-23 00:54:56,296 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_receive [2022-07-23 00:54:56,296 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_receive [2022-07-23 00:54:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~int [2022-07-23 00:54:56,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~int [2022-07-23 00:54:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2022-07-23 00:54:56,297 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2022-07-23 00:54:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2022-07-23 00:54:56,297 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2022-07-23 00:54:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-23 00:54:56,297 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-23 00:54:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-23 00:54:56,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-23 00:54:56,298 INFO L130 BoogieDeclarations]: Found specification of procedure pdata_is_bad [2022-07-23 00:54:56,298 INFO L138 BoogieDeclarations]: Found implementation of procedure pdata_is_bad [2022-07-23 00:54:56,298 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_unbind_channel [2022-07-23 00:54:56,298 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_unbind_channel [2022-07-23 00:54:56,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 00:54:56,298 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 00:54:56,298 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_get_free_channel [2022-07-23 00:54:56,298 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_get_free_channel [2022-07-23 00:54:56,298 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-07-23 00:54:56,299 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-07-23 00:54:56,299 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-23 00:54:56,299 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-23 00:54:56,299 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_modem_reset_vpar [2022-07-23 00:54:56,299 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_modem_reset_vpar [2022-07-23 00:54:56,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 00:54:56,299 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_v110_open [2022-07-23 00:54:56,299 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_v110_open [2022-07-23 00:54:56,299 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-23 00:54:56,300 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-23 00:54:56,300 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_tiocmget [2022-07-23 00:54:56,300 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_tiocmget [2022-07-23 00:54:56,300 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_handleDLEdown [2022-07-23 00:54:56,300 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_handleDLEdown [2022-07-23 00:54:56,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 00:54:56,300 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-23 00:54:56,300 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-23 00:54:56,301 INFO L130 BoogieDeclarations]: Found specification of procedure set_arg [2022-07-23 00:54:56,301 INFO L138 BoogieDeclarations]: Found implementation of procedure set_arg [2022-07-23 00:54:56,301 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2022-07-23 00:54:56,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2022-07-23 00:54:56,301 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_close [2022-07-23 00:54:56,301 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_close [2022-07-23 00:54:56,301 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2022-07-23 00:54:56,301 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2022-07-23 00:54:56,301 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_dial [2022-07-23 00:54:56,302 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_dial [2022-07-23 00:54:56,302 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_disable [2022-07-23 00:54:56,302 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_disable [2022-07-23 00:54:56,302 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_bind_channel [2022-07-23 00:54:56,302 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_bind_channel [2022-07-23 00:54:56,302 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2022-07-23 00:54:56,302 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-23 00:54:56,302 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-23 00:54:56,302 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-23 00:54:56,303 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-23 00:54:56,303 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-07-23 00:54:56,303 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-07-23 00:54:56,303 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-23 00:54:56,303 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-23 00:54:56,304 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_wildmat [2022-07-23 00:54:56,304 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_wildmat [2022-07-23 00:54:56,304 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_force_dial_lp [2022-07-23 00:54:56,304 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_force_dial_lp [2022-07-23 00:54:56,304 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 00:54:56,304 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 00:54:56,305 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_new [2022-07-23 00:54:56,305 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_new [2022-07-23 00:54:56,305 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_connect_ind [2022-07-23 00:54:56,305 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_connect_ind [2022-07-23 00:54:56,305 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_flush_buffer [2022-07-23 00:54:56,305 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_flush_buffer [2022-07-23 00:54:56,305 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_unlock_drivers [2022-07-23 00:54:56,305 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_unlock_drivers [2022-07-23 00:54:56,305 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-23 00:54:56,306 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-23 00:54:56,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mtx_of_isdn_devt [2022-07-23 00:54:56,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mtx_of_isdn_devt [2022-07-23 00:54:56,306 INFO L130 BoogieDeclarations]: Found specification of procedure skb_realloc_headroom [2022-07-23 00:54:56,306 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_realloc_headroom [2022-07-23 00:54:56,306 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2022-07-23 00:54:56,306 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2022-07-23 00:54:56,306 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_mp_init [2022-07-23 00:54:56,306 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_mp_init [2022-07-23 00:54:56,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 00:54:56,307 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_all_eaz [2022-07-23 00:54:56,307 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_all_eaz [2022-07-23 00:54:56,307 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-07-23 00:54:56,307 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-07-23 00:54:56,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 00:54:56,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 00:54:56,307 INFO L130 BoogieDeclarations]: Found specification of procedure illegal_state_warn [2022-07-23 00:54:56,307 INFO L138 BoogieDeclarations]: Found implementation of procedure illegal_state_warn [2022-07-23 00:54:56,307 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_skb_push [2022-07-23 00:54:56,308 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_skb_push [2022-07-23 00:54:56,308 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_dtmf_init [2022-07-23 00:54:56,308 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_dtmf_init [2022-07-23 00:54:56,308 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_modem_ncarrier [2022-07-23 00:54:56,308 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_modem_ncarrier [2022-07-23 00:54:56,308 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2022-07-23 00:54:56,308 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2022-07-23 00:54:56,308 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wait_until_sent [2022-07-23 00:54:56,308 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wait_until_sent [2022-07-23 00:54:56,309 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-07-23 00:54:56,309 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-07-23 00:54:56,309 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-23 00:54:56,309 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-23 00:54:56,309 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-23 00:54:56,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-23 00:54:56,309 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_put_dle_code [2022-07-23 00:54:56,309 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_put_dle_code [2022-07-23 00:54:56,309 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_ioctl [2022-07-23 00:54:56,309 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_ioctl [2022-07-23 00:54:56,310 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_writebuf_stub [2022-07-23 00:54:56,312 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_writebuf_stub [2022-07-23 00:54:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_dial_req [2022-07-23 00:54:56,313 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_dial_req [2022-07-23 00:54:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_write_super [2022-07-23 00:54:56,313 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_write_super [2022-07-23 00:54:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_cmd_ATA [2022-07-23 00:54:56,313 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_cmd_ATA [2022-07-23 00:54:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-07-23 00:54:56,313 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-07-23 00:54:56,314 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-23 00:54:56,314 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-23 00:54:56,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 00:54:56,315 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 00:54:56,315 INFO L130 BoogieDeclarations]: Found specification of procedure tty_check_change [2022-07-23 00:54:56,315 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_check_change [2022-07-23 00:54:56,315 INFO L130 BoogieDeclarations]: Found specification of procedure tty_buffer_request_room [2022-07-23 00:54:56,315 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_buffer_request_room [2022-07-23 00:54:56,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 00:54:56,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 00:54:56,315 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2022-07-23 00:54:56,315 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2022-07-23 00:54:56,316 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_status_callback [2022-07-23 00:54:56,316 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_status_callback [2022-07-23 00:54:56,316 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-07-23 00:54:56,316 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-07-23 00:54:56,316 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_hangup [2022-07-23 00:54:56,316 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_hangup [2022-07-23 00:54:56,316 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_lp_disconnected [2022-07-23 00:54:56,316 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_lp_disconnected [2022-07-23 00:54:56,316 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_proto_del [2022-07-23 00:54:56,317 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_proto_del [2022-07-23 00:54:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-23 00:54:56,317 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-23 00:54:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2022-07-23 00:54:56,317 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2022-07-23 00:54:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_device_busy [2022-07-23 00:54:56,317 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_device_busy [2022-07-23 00:54:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_lock_drivers [2022-07-23 00:54:56,317 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_lock_drivers [2022-07-23 00:54:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_close [2022-07-23 00:54:56,318 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_close [2022-07-23 00:54:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_getnum [2022-07-23 00:54:56,318 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_getnum [2022-07-23 00:54:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure bpf_prog_create [2022-07-23 00:54:56,318 INFO L138 BoogieDeclarations]: Found implementation of procedure bpf_prog_create [2022-07-23 00:54:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-07-23 00:54:56,318 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-07-23 00:54:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_poll [2022-07-23 00:54:56,318 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_poll [2022-07-23 00:54:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 00:54:56,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 00:54:56,319 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_change_speed [2022-07-23 00:54:56,319 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_change_speed [2022-07-23 00:54:56,319 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_carrier_raised [2022-07-23 00:54:56,319 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_carrier_raised [2022-07-23 00:54:56,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 00:54:56,319 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_ulaw2alaw [2022-07-23 00:54:56,319 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_ulaw2alaw [2022-07-23 00:54:56,319 INFO L130 BoogieDeclarations]: Found specification of procedure __chk_range_not_ok [2022-07-23 00:54:56,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __chk_range_not_ok [2022-07-23 00:54:56,320 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-07-23 00:54:56,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-07-23 00:54:56,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_150 [2022-07-23 00:54:56,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_150 [2022-07-23 00:54:56,320 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-23 00:54:56,320 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-23 00:54:56,320 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_device_stop_queue [2022-07-23 00:54:56,320 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_device_stop_queue [2022-07-23 00:54:56,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mtx_of_isdn_devt [2022-07-23 00:54:56,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mtx_of_isdn_devt [2022-07-23 00:54:56,321 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_shutdown [2022-07-23 00:54:56,321 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_shutdown [2022-07-23 00:54:56,321 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-23 00:54:56,321 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-23 00:54:56,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-23 00:54:56,321 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_get_msnstr [2022-07-23 00:54:56,321 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_get_msnstr [2022-07-23 00:54:56,321 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_reset [2022-07-23 00:54:56,322 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_reset [2022-07-23 00:54:56,322 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-23 00:54:56,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-23 00:54:56,322 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_frame_log [2022-07-23 00:54:56,322 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_frame_log [2022-07-23 00:54:56,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-23 00:54:56,322 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_flush_chars [2022-07-23 00:54:56,322 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_flush_chars [2022-07-23 00:54:56,322 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_ciscohdlck_alloc_skb [2022-07-23 00:54:56,322 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_ciscohdlck_alloc_skb [2022-07-23 00:54:56,323 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_map_eaz2msn [2022-07-23 00:54:56,323 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_map_eaz2msn [2022-07-23 00:54:56,323 INFO L130 BoogieDeclarations]: Found specification of procedure FlipBits [2022-07-23 00:54:56,323 INFO L138 BoogieDeclarations]: Found implementation of procedure FlipBits [2022-07-23 00:54:56,323 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_free [2022-07-23 00:54:56,323 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_free [2022-07-23 00:54:56,323 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_alaw2ulaw [2022-07-23 00:54:56,323 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_alaw2ulaw [2022-07-23 00:54:56,323 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_tx_timeout [2022-07-23 00:54:56,324 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_tx_timeout [2022-07-23 00:54:56,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 00:54:56,324 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 00:54:56,324 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_star [2022-07-23 00:54:56,324 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_star [2022-07-23 00:54:56,324 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_destroy [2022-07-23 00:54:56,324 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_destroy [2022-07-23 00:54:56,324 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-07-23 00:54:56,324 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-07-23 00:54:56,324 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_adpcm_init [2022-07-23 00:54:56,325 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_adpcm_init [2022-07-23 00:54:56,325 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_open [2022-07-23 00:54:56,325 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_open [2022-07-23 00:54:56,325 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_proto_restart [2022-07-23 00:54:56,325 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_proto_restart [2022-07-23 00:54:56,325 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-23 00:54:56,325 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-23 00:54:56,325 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2022-07-23 00:54:56,325 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2022-07-23 00:54:56,325 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_exit [2022-07-23 00:54:56,326 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_exit [2022-07-23 00:54:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_findif [2022-07-23 00:54:56,326 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_findif [2022-07-23 00:54:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_writebuf_skb [2022-07-23 00:54:56,326 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_writebuf_skb [2022-07-23 00:54:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 00:54:56,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 00:54:56,326 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2022-07-23 00:54:56,326 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2022-07-23 00:54:56,327 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_tiocmset [2022-07-23 00:54:56,327 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_tiocmset [2022-07-23 00:54:56,327 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_chars_in_buffer [2022-07-23 00:54:56,327 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_chars_in_buffer [2022-07-23 00:54:56,327 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-23 00:54:56,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-23 00:54:56,327 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_cleanup_xmit [2022-07-23 00:54:56,327 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_cleanup_xmit [2022-07-23 00:54:56,327 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_throttle [2022-07-23 00:54:56,328 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_throttle [2022-07-23 00:54:56,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_modem_info_mutex [2022-07-23 00:54:56,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_modem_info_mutex [2022-07-23 00:54:56,328 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_on_hook [2022-07-23 00:54:56,328 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_on_hook [2022-07-23 00:54:56,328 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_unthrottle [2022-07-23 00:54:56,328 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_unthrottle [2022-07-23 00:54:56,328 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-23 00:54:56,328 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-23 00:54:56,328 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_reset_profile [2022-07-23 00:54:56,329 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_reset_profile [2022-07-23 00:54:56,329 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_header_cache_update [2022-07-23 00:54:56,329 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_header_cache_update [2022-07-23 00:54:56,329 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-23 00:54:56,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-23 00:54:56,329 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_mp_free_skb [2022-07-23 00:54:56,329 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_mp_free_skb [2022-07-23 00:54:56,329 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-23 00:54:56,329 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-23 00:54:56,329 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-23 00:54:56,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-23 00:54:56,330 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_calc_usage [2022-07-23 00:54:56,330 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_calc_usage [2022-07-23 00:54:56,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-23 00:54:56,330 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-23 00:54:56,330 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-07-23 00:54:56,330 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-07-23 00:54:56,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 00:54:56,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 00:54:56,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 00:54:56,331 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_stat_callback [2022-07-23 00:54:56,331 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_stat_callback [2022-07-23 00:54:56,331 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_add_channels [2022-07-23 00:54:56,331 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_add_channels [2022-07-23 00:54:56,331 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_free_channel [2022-07-23 00:54:56,331 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_free_channel [2022-07-23 00:54:56,331 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_v110_sync [2022-07-23 00:54:56,331 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_v110_sync [2022-07-23 00:54:56,331 INFO L130 BoogieDeclarations]: Found specification of procedure get_arg [2022-07-23 00:54:56,332 INFO L138 BoogieDeclarations]: Found implementation of procedure get_arg [2022-07-23 00:54:56,332 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_device_started [2022-07-23 00:54:56,332 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_device_started [2022-07-23 00:54:56,332 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_msncmp [2022-07-23 00:54:56,332 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_msncmp [2022-07-23 00:54:56,332 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-23 00:54:56,332 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-23 00:54:56,332 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_v110_stat_callback [2022-07-23 00:54:56,332 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_v110_stat_callback [2022-07-23 00:54:56,332 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-23 00:54:56,333 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-23 00:54:56,333 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_install [2022-07-23 00:54:56,333 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_install [2022-07-23 00:54:56,333 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2022-07-23 00:54:56,333 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2022-07-23 00:54:56,333 INFO L130 BoogieDeclarations]: Found specification of procedure x25_type_trans [2022-07-23 00:54:56,333 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_type_trans [2022-07-23 00:54:56,333 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-23 00:54:56,333 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-23 00:54:56,334 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_tlookup [2022-07-23 00:54:56,334 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_tlookup [2022-07-23 00:54:56,334 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_swap_usage [2022-07-23 00:54:56,334 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_swap_usage [2022-07-23 00:54:56,334 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_concap_dl_data_req [2022-07-23 00:54:56,334 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_concap_dl_data_req [2022-07-23 00:54:56,334 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_minor2chan [2022-07-23 00:54:56,334 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_minor2chan [2022-07-23 00:54:56,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 00:54:56,334 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_v110_close [2022-07-23 00:54:56,335 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_v110_close [2022-07-23 00:54:56,335 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-23 00:54:56,335 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-23 00:54:56,335 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_paranoia_check [2022-07-23 00:54:56,335 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_paranoia_check [2022-07-23 00:54:56,335 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-23 00:54:56,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-23 00:54:56,335 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_xmit [2022-07-23 00:54:56,335 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_xmit [2022-07-23 00:54:56,335 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~X~$Pointer$~TO~VOID [2022-07-23 00:54:56,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~X~$Pointer$~TO~VOID [2022-07-23 00:54:56,336 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_find_icall [2022-07-23 00:54:56,336 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_find_icall [2022-07-23 00:54:56,336 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-23 00:54:56,336 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-23 00:54:56,336 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_linear2ulaw [2022-07-23 00:54:56,336 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_linear2ulaw [2022-07-23 00:54:56,336 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~X~$Pointer$~TO~int [2022-07-23 00:54:56,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~X~$Pointer$~TO~int [2022-07-23 00:54:56,337 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_tint [2022-07-23 00:54:56,337 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_tint [2022-07-23 00:54:56,337 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-23 00:54:56,337 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-23 00:54:56,337 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 00:54:56,337 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 00:54:56,337 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_hangup [2022-07-23 00:54:56,337 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_hangup [2022-07-23 00:54:56,337 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_concap_dl_connect_req [2022-07-23 00:54:56,337 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_concap_dl_connect_req [2022-07-23 00:54:56,338 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-07-23 00:54:56,338 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-07-23 00:54:56,338 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_at_cout [2022-07-23 00:54:56,338 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_at_cout [2022-07-23 00:54:56,338 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_ccp_xmit_reset [2022-07-23 00:54:56,338 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_ccp_xmit_reset [2022-07-23 00:54:56,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-23 00:54:56,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-23 00:54:56,338 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-23 00:54:56,339 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-23 00:54:56,339 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-23 00:54:56,339 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-23 00:54:56,339 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_write [2022-07-23 00:54:56,341 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_write [2022-07-23 00:54:56,341 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_ioctl [2022-07-23 00:54:56,341 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_ioctl [2022-07-23 00:54:56,342 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_open [2022-07-23 00:54:56,342 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_open [2022-07-23 00:54:56,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_isdn_mutex [2022-07-23 00:54:56,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_isdn_mutex [2022-07-23 00:54:56,342 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_ccp_reset_free_state [2022-07-23 00:54:56,342 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_ccp_reset_free_state [2022-07-23 00:54:56,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_isdn_mutex [2022-07-23 00:54:56,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_isdn_mutex [2022-07-23 00:54:56,342 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_unreachable [2022-07-23 00:54:56,342 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_unreachable [2022-07-23 00:54:56,343 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_getrev [2022-07-23 00:54:56,343 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_getrev [2022-07-23 00:54:56,343 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-23 00:54:56,343 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-23 00:54:56,343 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_swapbind [2022-07-23 00:54:56,343 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_swapbind [2022-07-23 00:54:56,343 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_proto_new [2022-07-23 00:54:56,343 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_proto_new [2022-07-23 00:54:56,343 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_bind [2022-07-23 00:54:56,344 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_bind [2022-07-23 00:54:56,344 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_rm_from_bundle [2022-07-23 00:54:56,344 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_rm_from_bundle [2022-07-23 00:54:56,344 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-23 00:54:56,344 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-23 00:54:56,344 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_get_stats [2022-07-23 00:54:56,344 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_get_stats [2022-07-23 00:54:56,344 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-23 00:54:56,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-23 00:54:56,345 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_softint [2022-07-23 00:54:56,345 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_softint [2022-07-23 00:54:56,345 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_proto_close [2022-07-23 00:54:56,345 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_proto_close [2022-07-23 00:54:56,345 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_check_ats [2022-07-23 00:54:56,345 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_check_ats [2022-07-23 00:54:56,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 00:54:56,345 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_fax_modem_result [2022-07-23 00:54:56,345 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_fax_modem_result [2022-07-23 00:54:56,345 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-23 00:54:56,346 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2022-07-23 00:54:56,346 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2022-07-23 00:54:56,346 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_modem_hup [2022-07-23 00:54:56,346 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_modem_hup [2022-07-23 00:54:56,346 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_dc2minor [2022-07-23 00:54:56,346 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_dc2minor [2022-07-23 00:54:57,947 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 00:54:57,967 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 00:54:58,239 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 00:56:22,800 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 00:56:22,838 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 00:56:22,839 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-07-23 00:56:22,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 12:56:22 BoogieIcfgContainer [2022-07-23 00:56:22,847 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 00:56:22,848 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 00:56:22,848 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 00:56:22,851 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 00:56:22,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 12:54:43" (1/3) ... [2022-07-23 00:56:22,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@409f2e3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 12:56:22, skipping insertion in model container [2022-07-23 00:56:22,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:54:52" (2/3) ... [2022-07-23 00:56:22,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@409f2e3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 12:56:22, skipping insertion in model container [2022-07-23 00:56:22,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 12:56:22" (3/3) ... [2022-07-23 00:56:22,854 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--isdn--i4l--isdn.ko-entry_point.cil.out.i [2022-07-23 00:56:22,867 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 00:56:22,868 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 00:56:23,049 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 00:56:23,057 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@22853214, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@b864a25 [2022-07-23 00:56:23,057 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 00:56:23,081 INFO L276 IsEmpty]: Start isEmpty. Operand has 7591 states, 5545 states have (on average 1.448512173128945) internal successors, (8032), 5773 states have internal predecessors, (8032), 1787 states have call successors, (1787), 259 states have call predecessors, (1787), 258 states have return successors, (1778), 1697 states have call predecessors, (1778), 1778 states have call successors, (1778) [2022-07-23 00:56:23,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-07-23 00:56:23,099 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:56:23,099 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:56:23,100 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:56:23,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:56:23,105 INFO L85 PathProgramCache]: Analyzing trace with hash -1978374212, now seen corresponding path program 1 times [2022-07-23 00:56:23,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:56:23,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344671787] [2022-07-23 00:56:23,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:56:23,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:56:23,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:23,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:56:23,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:24,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:24,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:24,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:56:24,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:24,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:56:24,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:24,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:24,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:24,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:56:24,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:24,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:56:24,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:24,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:24,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:24,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:56:24,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:24,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:56:24,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:24,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:24,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:24,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:56:24,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:24,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 00:56:24,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:24,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:24,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:24,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:56:24,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:24,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-23 00:56:24,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:24,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:24,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:24,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-23 00:56:24,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:24,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:24,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:24,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-23 00:56:24,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:24,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:24,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:24,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-23 00:56:24,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:24,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:24,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:24,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-23 00:56:24,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:24,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:24,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:24,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-23 00:56:24,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:24,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:56:24,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:56:24,358 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2022-07-23 00:56:24,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:56:24,361 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344671787] [2022-07-23 00:56:24,361 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344671787] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:56:24,361 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:56:24,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 00:56:24,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058472324] [2022-07-23 00:56:24,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:56:24,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 00:56:24,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:56:24,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 00:56:24,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 00:56:24,403 INFO L87 Difference]: Start difference. First operand has 7591 states, 5545 states have (on average 1.448512173128945) internal successors, (8032), 5773 states have internal predecessors, (8032), 1787 states have call successors, (1787), 259 states have call predecessors, (1787), 258 states have return successors, (1778), 1697 states have call predecessors, (1778), 1778 states have call successors, (1778) Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (16), 5 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-23 00:56:32,830 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:56:52,162 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:56:55,462 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:57:05,223 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:57:07,537 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:57:07,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:57:07,596 INFO L93 Difference]: Finished difference Result 16347 states and 26509 transitions. [2022-07-23 00:57:07,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 00:57:07,598 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (16), 5 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 173 [2022-07-23 00:57:07,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:57:07,684 INFO L225 Difference]: With dead ends: 16347 [2022-07-23 00:57:07,685 INFO L226 Difference]: Without dead ends: 8745 [2022-07-23 00:57:07,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-07-23 00:57:07,760 INFO L413 NwaCegarLoop]: 10855 mSDtfsCounter, 7420 mSDsluCounter, 5657 mSDsCounter, 0 mSdLazyCounter, 4582 mSolverCounterSat, 7066 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 39.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7519 SdHoareTripleChecker+Valid, 16512 SdHoareTripleChecker+Invalid, 11652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 7066 IncrementalHoareTripleChecker+Valid, 4582 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 42.0s IncrementalHoareTripleChecker+Time [2022-07-23 00:57:07,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7519 Valid, 16512 Invalid, 11652 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [7066 Valid, 4582 Invalid, 4 Unknown, 0 Unchecked, 42.0s Time] [2022-07-23 00:57:07,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8745 states. [2022-07-23 00:57:08,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8745 to 7572. [2022-07-23 00:57:08,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7572 states, 5537 states have (on average 1.4381433989525014) internal successors, (7963), 5754 states have internal predecessors, (7963), 1777 states have call successors, (1777), 258 states have call predecessors, (1777), 257 states have return successors, (1765), 1684 states have call predecessors, (1765), 1765 states have call successors, (1765) [2022-07-23 00:57:08,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7572 states to 7572 states and 11505 transitions. [2022-07-23 00:57:08,418 INFO L78 Accepts]: Start accepts. Automaton has 7572 states and 11505 transitions. Word has length 173 [2022-07-23 00:57:08,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:57:08,419 INFO L495 AbstractCegarLoop]: Abstraction has 7572 states and 11505 transitions. [2022-07-23 00:57:08,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (16), 5 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-23 00:57:08,420 INFO L276 IsEmpty]: Start isEmpty. Operand 7572 states and 11505 transitions. [2022-07-23 00:57:08,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-07-23 00:57:08,428 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:57:08,428 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:57:08,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 00:57:08,429 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:57:08,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:57:08,439 INFO L85 PathProgramCache]: Analyzing trace with hash -1960638222, now seen corresponding path program 1 times [2022-07-23 00:57:08,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:57:08,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822896690] [2022-07-23 00:57:08,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:57:08,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:57:08,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:08,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:57:08,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:08,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:57:08,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:08,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:57:08,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:08,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:57:09,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:57:09,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:57:09,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:57:09,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:57:09,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:57:09,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:57:09,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:57:09,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:57:09,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 00:57:09,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:57:09,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:57:09,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-23 00:57:09,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:57:09,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-23 00:57:09,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:57:09,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-23 00:57:09,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:57:09,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-23 00:57:09,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:57:09,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-23 00:57:09,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:57:09,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-23 00:57:09,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:57:09,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:57:09,255 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2022-07-23 00:57:09,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:57:09,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822896690] [2022-07-23 00:57:09,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822896690] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:57:09,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:57:09,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 00:57:09,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011847729] [2022-07-23 00:57:09,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:57:09,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 00:57:09,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:57:09,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 00:57:09,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-23 00:57:09,258 INFO L87 Difference]: Start difference. First operand 7572 states and 11505 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-07-23 00:57:18,124 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:57:30,235 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:57:50,349 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:58:27,382 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:58:32,531 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:58:34,713 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 00:58:34,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 00:58:34,775 INFO L93 Difference]: Finished difference Result 23493 states and 37062 transitions. [2022-07-23 00:58:34,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 00:58:34,775 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 173 [2022-07-23 00:58:34,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 00:58:34,866 INFO L225 Difference]: With dead ends: 23493 [2022-07-23 00:58:34,867 INFO L226 Difference]: Without dead ends: 15947 [2022-07-23 00:58:34,890 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-23 00:58:34,891 INFO L413 NwaCegarLoop]: 12073 mSDtfsCounter, 23248 mSDsluCounter, 14955 mSDsCounter, 0 mSdLazyCounter, 9358 mSolverCounterSat, 14053 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 78.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24222 SdHoareTripleChecker+Valid, 27028 SdHoareTripleChecker+Invalid, 23417 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 14053 IncrementalHoareTripleChecker+Valid, 9358 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 83.6s IncrementalHoareTripleChecker+Time [2022-07-23 00:58:34,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24222 Valid, 27028 Invalid, 23417 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [14053 Valid, 9358 Invalid, 6 Unknown, 0 Unchecked, 83.6s Time] [2022-07-23 00:58:34,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15947 states. [2022-07-23 00:58:35,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15947 to 13636. [2022-07-23 00:58:35,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13636 states, 9944 states have (on average 1.4351367658889782) internal successors, (14271), 10362 states have internal predecessors, (14271), 3194 states have call successors, (3194), 490 states have call predecessors, (3194), 497 states have return successors, (3221), 3020 states have call predecessors, (3221), 3182 states have call successors, (3221) [2022-07-23 00:58:35,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13636 states to 13636 states and 20686 transitions. [2022-07-23 00:58:35,651 INFO L78 Accepts]: Start accepts. Automaton has 13636 states and 20686 transitions. Word has length 173 [2022-07-23 00:58:35,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 00:58:35,653 INFO L495 AbstractCegarLoop]: Abstraction has 13636 states and 20686 transitions. [2022-07-23 00:58:35,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-07-23 00:58:35,654 INFO L276 IsEmpty]: Start isEmpty. Operand 13636 states and 20686 transitions. [2022-07-23 00:58:35,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-07-23 00:58:35,660 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 00:58:35,660 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 00:58:35,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-23 00:58:35,661 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 00:58:35,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 00:58:35,661 INFO L85 PathProgramCache]: Analyzing trace with hash -1884427164, now seen corresponding path program 1 times [2022-07-23 00:58:35,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 00:58:35,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682664513] [2022-07-23 00:58:35,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 00:58:35,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 00:58:35,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:36,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 00:58:36,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:36,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:58:36,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:36,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:58:36,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:36,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 00:58:36,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:36,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:58:36,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:36,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:58:36,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:36,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 00:58:36,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:36,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:58:36,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:36,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:58:36,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:36,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 00:58:36,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:36,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:58:36,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:36,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:58:36,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:36,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 00:58:36,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:36,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:58:36,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:36,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 00:58:36,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:36,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-23 00:58:36,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:36,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:58:36,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:36,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-23 00:58:36,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:36,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:58:36,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:36,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-23 00:58:36,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:36,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:58:36,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:36,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-23 00:58:36,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:36,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:58:36,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:36,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-23 00:58:36,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:36,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:58:36,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:36,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-23 00:58:36,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:36,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 00:58:36,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:36,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2022-07-23 00:58:36,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 00:58:36,523 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2022-07-23 00:58:36,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 00:58:36,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682664513] [2022-07-23 00:58:36,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682664513] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 00:58:36,524 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 00:58:36,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-23 00:58:36,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234873130] [2022-07-23 00:58:36,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 00:58:36,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-23 00:58:36,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 00:58:36,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-23 00:58:36,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-07-23 00:58:36,526 INFO L87 Difference]: Start difference. First operand 13636 states and 20686 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (16), 6 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15)