./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 35987657 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-?-3598765 [2022-07-21 12:11:27,317 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 12:11:27,320 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 12:11:27,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 12:11:27,362 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 12:11:27,363 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 12:11:27,367 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 12:11:27,370 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 12:11:27,372 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 12:11:27,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 12:11:27,400 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 12:11:27,403 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 12:11:27,403 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 12:11:27,405 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 12:11:27,406 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 12:11:27,409 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 12:11:27,410 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 12:11:27,412 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 12:11:27,416 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 12:11:27,422 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 12:11:27,423 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 12:11:27,424 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 12:11:27,426 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 12:11:27,426 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 12:11:27,440 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 12:11:27,442 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 12:11:27,442 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 12:11:27,443 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 12:11:27,443 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 12:11:27,444 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 12:11:27,444 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 12:11:27,445 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 12:11:27,445 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 12:11:27,446 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 12:11:27,446 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 12:11:27,451 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 12:11:27,452 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 12:11:27,453 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 12:11:27,453 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 12:11:27,453 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 12:11:27,454 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 12:11:27,456 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 12:11:27,463 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 12:11:27,516 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 12:11:27,516 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 12:11:27,517 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 12:11:27,517 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 12:11:27,518 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 12:11:27,518 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 12:11:27,519 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 12:11:27,519 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 12:11:27,519 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 12:11:27,520 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 12:11:27,523 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 12:11:27,523 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 12:11:27,523 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 12:11:27,524 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 12:11:27,524 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 12:11:27,524 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 12:11:27,525 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 12:11:27,525 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 12:11:27,525 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 12:11:27,525 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 12:11:27,525 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 12:11:27,526 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 12:11:27,526 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 12:11:27,526 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 12:11:27,539 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 12:11:27,540 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 12:11:27,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 12:11:27,540 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 12:11:27,540 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 12:11:27,540 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 12:11:27,541 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc84e51e523cd7d1ed5e8ead538b5d3b5209e177ea77bffad6006fa4b66e1367 [2022-07-21 12:11:28,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 12:11:28,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 12:11:28,115 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 12:11:28,116 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 12:11:28,117 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 12:11:28,118 INFO L432 ainManager$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 [2022-07-21 12:11:28,230 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcd13ec28/e5eac65678bc4e819cb6adfd3e2b955f/FLAG1c5ce6d5a [2022-07-21 12:11:29,608 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 12:11:29,609 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 [2022-07-21 12:11:29,822 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcd13ec28/e5eac65678bc4e819cb6adfd3e2b955f/FLAG1c5ce6d5a [2022-07-21 12:11:29,862 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcd13ec28/e5eac65678bc4e819cb6adfd3e2b955f [2022-07-21 12:11:29,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 12:11:29,867 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 12:11:29,870 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 12:11:29,871 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 12:11:29,877 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 12:11:29,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:11:29" (1/1) ... [2022-07-21 12:11:29,879 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1570b0f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:11:29, skipping insertion in model container [2022-07-21 12:11:29,879 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:11:29" (1/1) ... [2022-07-21 12:11:29,897 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 12:11:30,247 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 12:11:44,132 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] [2022-07-21 12:11:45,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:11:45,205 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 12:11:46,627 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] [2022-07-21 12:11:46,643 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 12:11:47,246 INFO L208 MainTranslator]: Completed translation [2022-07-21 12:11:47,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:11:47 WrapperNode [2022-07-21 12:11:47,258 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 12:11:47,260 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 12:11:47,260 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 12:11:47,260 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 12:11:47,269 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:11:47" (1/1) ... [2022-07-21 12:11:47,632 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:11:47" (1/1) ... [2022-07-21 12:11:49,061 INFO L137 Inliner]: procedures = 819, calls = 13802, calls flagged for inlining = 321, calls inlined = 265, statements flattened = 26732 [2022-07-21 12:11:49,062 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 12:11:49,062 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 12:11:49,063 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 12:11:49,063 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 12:11:49,072 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:11:47" (1/1) ... [2022-07-21 12:11:49,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:11:47" (1/1) ... [2022-07-21 12:11:49,636 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:11:47" (1/1) ... [2022-07-21 12:11:49,637 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:11:47" (1/1) ... [2022-07-21 12:11:50,593 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:11:47" (1/1) ... [2022-07-21 12:11:50,645 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:11:47" (1/1) ... [2022-07-21 12:11:50,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:11:47" (1/1) ... [2022-07-21 12:11:51,050 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 12:11:51,052 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 12:11:51,052 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 12:11:51,052 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 12:11:51,053 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:11:47" (1/1) ... [2022-07-21 12:11:51,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 12:11:51,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 12:11:51,086 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) [2022-07-21 12:11:51,111 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 [2022-07-21 12:11:51,133 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_lock [2022-07-21 12:11:51,134 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_lock [2022-07-21 12:11:51,134 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-07-21 12:11:51,134 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_compress [2022-07-21 12:11:51,134 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_compress [2022-07-21 12:11:51,134 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-07-21 12:11:51,134 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-07-21 12:11:51,135 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-07-21 12:11:51,135 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-07-21 12:11:51,135 INFO L130 BoogieDeclarations]: Found specification of procedure dst_link_failure [2022-07-21 12:11:51,135 INFO L138 BoogieDeclarations]: Found implementation of procedure dst_link_failure [2022-07-21 12:11:51,135 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-21 12:11:51,135 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-21 12:11:51,135 INFO L130 BoogieDeclarations]: Found specification of procedure bpf_prog_destroy [2022-07-21 12:11:51,136 INFO L138 BoogieDeclarations]: Found implementation of procedure bpf_prog_destroy [2022-07-21 12:11:51,136 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-07-21 12:11:51,136 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-07-21 12:11:51,136 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-21 12:11:51,136 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-21 12:11:51,136 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_open [2022-07-21 12:11:51,136 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_open [2022-07-21 12:11:51,137 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_concap_dl_disconn_req [2022-07-21 12:11:51,137 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_concap_dl_disconn_req [2022-07-21 12:11:51,137 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2022-07-21 12:11:51,137 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2022-07-21 12:11:51,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_modem_info_mutex [2022-07-21 12:11:51,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_modem_info_mutex [2022-07-21 12:11:51,138 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-07-21 12:11:51,138 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-07-21 12:11:51,138 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-21 12:11:51,138 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-21 12:11:51,138 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_command [2022-07-21 12:11:51,139 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_command [2022-07-21 12:11:51,139 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_senddown [2022-07-21 12:11:51,139 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_senddown [2022-07-21 12:11:51,139 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-07-21 12:11:51,139 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-07-21 12:11:51,139 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_stat_callback [2022-07-21 12:11:51,140 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_stat_callback [2022-07-21 12:11:51,140 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-21 12:11:51,140 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-21 12:11:51,140 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_minor2drv [2022-07-21 12:11:51,140 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_minor2drv [2022-07-21 12:11:51,140 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_init [2022-07-21 12:11:51,141 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_init [2022-07-21 12:11:51,141 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2022-07-21 12:11:51,141 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2022-07-21 12:11:51,141 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-21 12:11:51,141 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-21 12:11:51,142 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_unlock_driver [2022-07-21 12:11:51,142 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_unlock_driver [2022-07-21 12:11:51,142 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-21 12:11:51,142 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-21 12:11:51,142 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_init [2022-07-21 12:11:51,143 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_init [2022-07-21 12:11:51,143 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_modem_reset_regs [2022-07-21 12:11:51,143 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_modem_reset_regs [2022-07-21 12:11:51,144 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-07-21 12:11:51,144 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-07-21 12:11:51,144 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2022-07-21 12:11:51,144 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2022-07-21 12:11:51,144 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2022-07-21 12:11:51,145 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2022-07-21 12:11:51,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-21 12:11:51,145 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-07-21 12:11:51,145 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-07-21 12:11:51,145 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_device_wake_queue [2022-07-21 12:11:51,146 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_device_wake_queue [2022-07-21 12:11:51,146 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-07-21 12:11:51,146 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-07-21 12:11:51,146 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-21 12:11:51,146 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-21 12:11:51,146 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_writebuf_skb_stub [2022-07-21 12:11:51,146 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_writebuf_skb_stub [2022-07-21 12:11:51,147 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_unexclusive_channel [2022-07-21 12:11:51,147 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_unexclusive_channel [2022-07-21 12:11:51,147 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_realrm [2022-07-21 12:11:51,147 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_realrm [2022-07-21 12:11:51,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-21 12:11:51,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-21 12:11:51,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 12:11:51,148 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2022-07-21 12:11:51,148 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2022-07-21 12:11:51,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 12:11:51,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-21 12:11:51,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-21 12:11:51,149 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 12:11:51,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 12:11:51,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 12:11:51,150 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-21 12:11:51,150 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-21 12:11:51,150 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-21 12:11:51,150 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2022-07-21 12:11:51,150 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2022-07-21 12:11:51,150 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_add_to_bundle [2022-07-21 12:11:51,151 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_add_to_bundle [2022-07-21 12:11:51,151 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-07-21 12:11:51,151 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-07-21 12:11:51,152 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_set_termios [2022-07-21 12:11:51,152 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_set_termios [2022-07-21 12:11:51,152 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_modem_result [2022-07-21 12:11:51,153 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_modem_result [2022-07-21 12:11:51,153 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-07-21 12:11:51,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-07-21 12:11:51,153 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-21 12:11:51,153 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-21 12:11:51,153 INFO L130 BoogieDeclarations]: Found specification of procedure set_global_features [2022-07-21 12:11:51,153 INFO L138 BoogieDeclarations]: Found implementation of procedure set_global_features [2022-07-21 12:11:51,153 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-21 12:11:51,154 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-21 12:11:51,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 12:11:51,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 12:11:51,154 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_disconn_ind [2022-07-21 12:11:51,154 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_disconn_ind [2022-07-21 12:11:51,155 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-21 12:11:51,155 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-21 12:11:51,155 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_write_room [2022-07-21 12:11:51,155 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_write_room [2022-07-21 12:11:51,156 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_timer_ctrl [2022-07-21 12:11:51,158 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_timer_ctrl [2022-07-21 12:11:51,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 12:11:51,158 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_info_update [2022-07-21 12:11:51,158 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_info_update [2022-07-21 12:11:51,159 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_lp_busy [2022-07-21 12:11:51,160 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_lp_busy [2022-07-21 12:11:51,160 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-07-21 12:11:51,161 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-07-21 12:11:51,161 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2022-07-21 12:11:51,166 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2022-07-21 12:11:51,166 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-21 12:11:51,166 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-21 12:11:51,166 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_receive [2022-07-21 12:11:51,166 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_receive [2022-07-21 12:11:51,167 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~int [2022-07-21 12:11:51,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~int [2022-07-21 12:11:51,167 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2022-07-21 12:11:51,167 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2022-07-21 12:11:51,167 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2022-07-21 12:11:51,167 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2022-07-21 12:11:51,167 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-21 12:11:51,167 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-21 12:11:51,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-21 12:11:51,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-21 12:11:51,168 INFO L130 BoogieDeclarations]: Found specification of procedure pdata_is_bad [2022-07-21 12:11:51,168 INFO L138 BoogieDeclarations]: Found implementation of procedure pdata_is_bad [2022-07-21 12:11:51,168 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_unbind_channel [2022-07-21 12:11:51,168 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_unbind_channel [2022-07-21 12:11:51,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 12:11:51,168 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 12:11:51,169 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_get_free_channel [2022-07-21 12:11:51,169 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_get_free_channel [2022-07-21 12:11:51,169 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-07-21 12:11:51,169 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-07-21 12:11:51,170 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-07-21 12:11:51,170 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-07-21 12:11:51,170 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_modem_reset_vpar [2022-07-21 12:11:51,170 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_modem_reset_vpar [2022-07-21 12:11:51,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 12:11:51,170 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_v110_open [2022-07-21 12:11:51,170 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_v110_open [2022-07-21 12:11:51,170 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-21 12:11:51,171 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-21 12:11:51,171 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_tiocmget [2022-07-21 12:11:51,171 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_tiocmget [2022-07-21 12:11:51,171 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_handleDLEdown [2022-07-21 12:11:51,171 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_handleDLEdown [2022-07-21 12:11:51,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 12:11:51,172 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-07-21 12:11:51,172 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-07-21 12:11:51,172 INFO L130 BoogieDeclarations]: Found specification of procedure set_arg [2022-07-21 12:11:51,172 INFO L138 BoogieDeclarations]: Found implementation of procedure set_arg [2022-07-21 12:11:51,172 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2022-07-21 12:11:51,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2022-07-21 12:11:51,172 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_close [2022-07-21 12:11:51,172 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_close [2022-07-21 12:11:51,173 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2022-07-21 12:11:51,173 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2022-07-21 12:11:51,173 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_dial [2022-07-21 12:11:51,173 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_dial [2022-07-21 12:11:51,173 INFO L130 BoogieDeclarations]: Found specification of procedure local_bh_disable [2022-07-21 12:11:51,173 INFO L138 BoogieDeclarations]: Found implementation of procedure local_bh_disable [2022-07-21 12:11:51,173 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_bind_channel [2022-07-21 12:11:51,173 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_bind_channel [2022-07-21 12:11:51,174 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2022-07-21 12:11:51,174 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-21 12:11:51,174 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-21 12:11:51,174 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-07-21 12:11:51,174 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-07-21 12:11:51,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-07-21 12:11:51,174 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-07-21 12:11:51,174 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-21 12:11:51,175 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-21 12:11:51,175 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_wildmat [2022-07-21 12:11:51,175 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_wildmat [2022-07-21 12:11:51,175 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_force_dial_lp [2022-07-21 12:11:51,175 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_force_dial_lp [2022-07-21 12:11:51,175 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-21 12:11:51,175 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-21 12:11:51,175 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_new [2022-07-21 12:11:51,176 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_new [2022-07-21 12:11:51,176 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_connect_ind [2022-07-21 12:11:51,176 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_connect_ind [2022-07-21 12:11:51,176 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_flush_buffer [2022-07-21 12:11:51,176 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_flush_buffer [2022-07-21 12:11:51,176 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_unlock_drivers [2022-07-21 12:11:51,176 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_unlock_drivers [2022-07-21 12:11:51,176 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-21 12:11:51,177 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-21 12:11:51,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mtx_of_isdn_devt [2022-07-21 12:11:51,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mtx_of_isdn_devt [2022-07-21 12:11:51,177 INFO L130 BoogieDeclarations]: Found specification of procedure skb_realloc_headroom [2022-07-21 12:11:51,177 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_realloc_headroom [2022-07-21 12:11:51,177 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2022-07-21 12:11:51,177 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2022-07-21 12:11:51,177 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_mp_init [2022-07-21 12:11:51,177 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_mp_init [2022-07-21 12:11:51,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-21 12:11:51,178 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_all_eaz [2022-07-21 12:11:51,178 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_all_eaz [2022-07-21 12:11:51,178 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-07-21 12:11:51,178 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-07-21 12:11:51,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 12:11:51,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 12:11:51,178 INFO L130 BoogieDeclarations]: Found specification of procedure illegal_state_warn [2022-07-21 12:11:51,179 INFO L138 BoogieDeclarations]: Found implementation of procedure illegal_state_warn [2022-07-21 12:11:51,179 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_skb_push [2022-07-21 12:11:51,179 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_skb_push [2022-07-21 12:11:51,179 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_dtmf_init [2022-07-21 12:11:51,179 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_dtmf_init [2022-07-21 12:11:51,179 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_modem_ncarrier [2022-07-21 12:11:51,179 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_modem_ncarrier [2022-07-21 12:11:51,179 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2022-07-21 12:11:51,180 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2022-07-21 12:11:51,180 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wait_until_sent [2022-07-21 12:11:51,180 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wait_until_sent [2022-07-21 12:11:51,180 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-07-21 12:11:51,180 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-07-21 12:11:51,180 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-21 12:11:51,180 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-21 12:11:51,180 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-21 12:11:51,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-21 12:11:51,181 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_put_dle_code [2022-07-21 12:11:51,181 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_put_dle_code [2022-07-21 12:11:51,181 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_ioctl [2022-07-21 12:11:51,181 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_ioctl [2022-07-21 12:11:51,182 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_writebuf_stub [2022-07-21 12:11:51,185 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_writebuf_stub [2022-07-21 12:11:51,185 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_dial_req [2022-07-21 12:11:51,185 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_dial_req [2022-07-21 12:11:51,185 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_write_super [2022-07-21 12:11:51,185 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_write_super [2022-07-21 12:11:51,185 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_cmd_ATA [2022-07-21 12:11:51,185 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_cmd_ATA [2022-07-21 12:11:51,186 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-07-21 12:11:51,186 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-07-21 12:11:51,187 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-21 12:11:51,187 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-21 12:11:51,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 12:11:51,187 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 12:11:51,187 INFO L130 BoogieDeclarations]: Found specification of procedure tty_check_change [2022-07-21 12:11:51,187 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_check_change [2022-07-21 12:11:51,187 INFO L130 BoogieDeclarations]: Found specification of procedure tty_buffer_request_room [2022-07-21 12:11:51,188 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_buffer_request_room [2022-07-21 12:11:51,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 12:11:51,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 12:11:51,188 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2022-07-21 12:11:51,188 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2022-07-21 12:11:51,188 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_status_callback [2022-07-21 12:11:51,188 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_status_callback [2022-07-21 12:11:51,188 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2022-07-21 12:11:51,189 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2022-07-21 12:11:51,189 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_hangup [2022-07-21 12:11:51,189 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_hangup [2022-07-21 12:11:51,189 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_lp_disconnected [2022-07-21 12:11:51,189 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_lp_disconnected [2022-07-21 12:11:51,189 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_proto_del [2022-07-21 12:11:51,189 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_proto_del [2022-07-21 12:11:51,189 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 12:11:51,189 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 12:11:51,190 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2022-07-21 12:11:51,190 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2022-07-21 12:11:51,190 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_device_busy [2022-07-21 12:11:51,190 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_device_busy [2022-07-21 12:11:51,190 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_lock_drivers [2022-07-21 12:11:51,190 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_lock_drivers [2022-07-21 12:11:51,190 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_close [2022-07-21 12:11:51,190 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_close [2022-07-21 12:11:51,190 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_getnum [2022-07-21 12:11:51,191 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_getnum [2022-07-21 12:11:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure bpf_prog_create [2022-07-21 12:11:51,191 INFO L138 BoogieDeclarations]: Found implementation of procedure bpf_prog_create [2022-07-21 12:11:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-07-21 12:11:51,191 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-07-21 12:11:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_poll [2022-07-21 12:11:51,191 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_poll [2022-07-21 12:11:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 12:11:51,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 12:11:51,192 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_change_speed [2022-07-21 12:11:51,192 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_change_speed [2022-07-21 12:11:51,192 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_carrier_raised [2022-07-21 12:11:51,192 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_carrier_raised [2022-07-21 12:11:51,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 12:11:51,192 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_ulaw2alaw [2022-07-21 12:11:51,192 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_ulaw2alaw [2022-07-21 12:11:51,192 INFO L130 BoogieDeclarations]: Found specification of procedure __chk_range_not_ok [2022-07-21 12:11:51,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __chk_range_not_ok [2022-07-21 12:11:51,193 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-07-21 12:11:51,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-07-21 12:11:51,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_150 [2022-07-21 12:11:51,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_150 [2022-07-21 12:11:51,193 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-21 12:11:51,193 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-21 12:11:51,193 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_device_stop_queue [2022-07-21 12:11:51,193 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_device_stop_queue [2022-07-21 12:11:51,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mtx_of_isdn_devt [2022-07-21 12:11:51,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mtx_of_isdn_devt [2022-07-21 12:11:51,194 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_shutdown [2022-07-21 12:11:51,194 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_shutdown [2022-07-21 12:11:51,194 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-21 12:11:51,194 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-21 12:11:51,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-21 12:11:51,194 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_get_msnstr [2022-07-21 12:11:51,194 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_get_msnstr [2022-07-21 12:11:51,195 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_reset [2022-07-21 12:11:51,195 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_reset [2022-07-21 12:11:51,195 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-21 12:11:51,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-21 12:11:51,195 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_frame_log [2022-07-21 12:11:51,195 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_frame_log [2022-07-21 12:11:51,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-21 12:11:51,195 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_flush_chars [2022-07-21 12:11:51,196 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_flush_chars [2022-07-21 12:11:51,196 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_ciscohdlck_alloc_skb [2022-07-21 12:11:51,196 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_ciscohdlck_alloc_skb [2022-07-21 12:11:51,196 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_map_eaz2msn [2022-07-21 12:11:51,196 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_map_eaz2msn [2022-07-21 12:11:51,196 INFO L130 BoogieDeclarations]: Found specification of procedure FlipBits [2022-07-21 12:11:51,196 INFO L138 BoogieDeclarations]: Found implementation of procedure FlipBits [2022-07-21 12:11:51,196 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_free [2022-07-21 12:11:51,196 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_free [2022-07-21 12:11:51,197 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_alaw2ulaw [2022-07-21 12:11:51,197 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_alaw2ulaw [2022-07-21 12:11:51,197 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_tx_timeout [2022-07-21 12:11:51,197 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_tx_timeout [2022-07-21 12:11:51,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 12:11:51,197 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 12:11:51,197 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_star [2022-07-21 12:11:51,197 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_star [2022-07-21 12:11:51,197 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_destroy [2022-07-21 12:11:51,198 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_destroy [2022-07-21 12:11:51,198 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-07-21 12:11:51,198 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-07-21 12:11:51,198 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_adpcm_init [2022-07-21 12:11:51,198 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_adpcm_init [2022-07-21 12:11:51,198 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_open [2022-07-21 12:11:51,198 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_open [2022-07-21 12:11:51,198 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_proto_restart [2022-07-21 12:11:51,199 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_proto_restart [2022-07-21 12:11:51,199 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-21 12:11:51,199 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-21 12:11:51,199 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2022-07-21 12:11:51,199 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2022-07-21 12:11:51,199 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_exit [2022-07-21 12:11:51,199 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_exit [2022-07-21 12:11:51,199 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_findif [2022-07-21 12:11:51,199 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_findif [2022-07-21 12:11:51,200 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_writebuf_skb [2022-07-21 12:11:51,200 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_writebuf_skb [2022-07-21 12:11:51,200 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 12:11:51,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 12:11:51,200 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2022-07-21 12:11:51,200 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2022-07-21 12:11:51,200 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_tiocmset [2022-07-21 12:11:51,200 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_tiocmset [2022-07-21 12:11:51,201 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_chars_in_buffer [2022-07-21 12:11:51,201 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_chars_in_buffer [2022-07-21 12:11:51,201 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-07-21 12:11:51,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-07-21 12:11:51,201 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_cleanup_xmit [2022-07-21 12:11:51,201 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_cleanup_xmit [2022-07-21 12:11:51,201 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_throttle [2022-07-21 12:11:51,201 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_throttle [2022-07-21 12:11:51,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_modem_info_mutex [2022-07-21 12:11:51,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_modem_info_mutex [2022-07-21 12:11:51,202 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_on_hook [2022-07-21 12:11:51,202 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_on_hook [2022-07-21 12:11:51,202 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_unthrottle [2022-07-21 12:11:51,202 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_unthrottle [2022-07-21 12:11:51,202 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-21 12:11:51,202 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-21 12:11:51,202 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_reset_profile [2022-07-21 12:11:51,202 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_reset_profile [2022-07-21 12:11:51,203 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_header_cache_update [2022-07-21 12:11:51,203 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_header_cache_update [2022-07-21 12:11:51,206 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-21 12:11:51,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-21 12:11:51,206 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_mp_free_skb [2022-07-21 12:11:51,206 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_mp_free_skb [2022-07-21 12:11:51,206 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-21 12:11:51,206 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-21 12:11:51,206 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-21 12:11:51,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-21 12:11:51,207 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_calc_usage [2022-07-21 12:11:51,207 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_calc_usage [2022-07-21 12:11:51,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-21 12:11:51,207 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-21 12:11:51,207 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-07-21 12:11:51,207 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-07-21 12:11:51,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 12:11:51,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 12:11:51,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 12:11:51,208 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_stat_callback [2022-07-21 12:11:51,208 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_stat_callback [2022-07-21 12:11:51,208 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_add_channels [2022-07-21 12:11:51,208 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_add_channels [2022-07-21 12:11:51,208 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_free_channel [2022-07-21 12:11:51,208 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_free_channel [2022-07-21 12:11:51,208 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_v110_sync [2022-07-21 12:11:51,208 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_v110_sync [2022-07-21 12:11:51,209 INFO L130 BoogieDeclarations]: Found specification of procedure get_arg [2022-07-21 12:11:51,209 INFO L138 BoogieDeclarations]: Found implementation of procedure get_arg [2022-07-21 12:11:51,209 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_device_started [2022-07-21 12:11:51,209 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_device_started [2022-07-21 12:11:51,209 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_msncmp [2022-07-21 12:11:51,209 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_msncmp [2022-07-21 12:11:51,209 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-21 12:11:51,209 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-21 12:11:51,210 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_v110_stat_callback [2022-07-21 12:11:51,210 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_v110_stat_callback [2022-07-21 12:11:51,210 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-21 12:11:51,210 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-21 12:11:51,210 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_install [2022-07-21 12:11:51,210 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_install [2022-07-21 12:11:51,210 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2022-07-21 12:11:51,210 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2022-07-21 12:11:51,210 INFO L130 BoogieDeclarations]: Found specification of procedure x25_type_trans [2022-07-21 12:11:51,211 INFO L138 BoogieDeclarations]: Found implementation of procedure x25_type_trans [2022-07-21 12:11:51,211 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-21 12:11:51,211 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-21 12:11:51,211 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_tlookup [2022-07-21 12:11:51,211 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_tlookup [2022-07-21 12:11:51,211 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_swap_usage [2022-07-21 12:11:51,211 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_swap_usage [2022-07-21 12:11:51,211 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_concap_dl_data_req [2022-07-21 12:11:51,211 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_concap_dl_data_req [2022-07-21 12:11:51,212 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_minor2chan [2022-07-21 12:11:51,212 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_minor2chan [2022-07-21 12:11:51,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 12:11:51,212 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_v110_close [2022-07-21 12:11:51,212 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_v110_close [2022-07-21 12:11:51,212 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-21 12:11:51,212 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-21 12:11:51,212 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_paranoia_check [2022-07-21 12:11:51,213 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_paranoia_check [2022-07-21 12:11:51,213 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-21 12:11:51,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-21 12:11:51,213 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_xmit [2022-07-21 12:11:51,213 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_xmit [2022-07-21 12:11:51,213 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~X~$Pointer$~TO~VOID [2022-07-21 12:11:51,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~$Pointer$~X~int~X~$Pointer$~TO~VOID [2022-07-21 12:11:51,213 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_find_icall [2022-07-21 12:11:51,213 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_find_icall [2022-07-21 12:11:51,214 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-21 12:11:51,214 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-21 12:11:51,214 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_audio_linear2ulaw [2022-07-21 12:11:51,214 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_audio_linear2ulaw [2022-07-21 12:11:51,214 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~X~int~X~$Pointer$~TO~int [2022-07-21 12:11:51,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~X~int~X~$Pointer$~TO~int [2022-07-21 12:11:51,214 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_tint [2022-07-21 12:11:51,214 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_tint [2022-07-21 12:11:51,214 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-21 12:11:51,215 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-21 12:11:51,215 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 12:11:51,215 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 12:11:51,215 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_hangup [2022-07-21 12:11:51,215 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_hangup [2022-07-21 12:11:51,215 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_concap_dl_connect_req [2022-07-21 12:11:51,215 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_concap_dl_connect_req [2022-07-21 12:11:51,215 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-07-21 12:11:51,216 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-07-21 12:11:51,216 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_at_cout [2022-07-21 12:11:51,216 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_at_cout [2022-07-21 12:11:51,216 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_ccp_xmit_reset [2022-07-21 12:11:51,216 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_ccp_xmit_reset [2022-07-21 12:11:51,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-21 12:11:51,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-21 12:11:51,216 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-21 12:11:51,216 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-21 12:11:51,217 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-21 12:11:51,217 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-21 12:11:51,217 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_write [2022-07-21 12:11:51,217 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_write [2022-07-21 12:11:51,217 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_ioctl [2022-07-21 12:11:51,217 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_ioctl [2022-07-21 12:11:51,217 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_open [2022-07-21 12:11:51,217 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_open [2022-07-21 12:11:51,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_isdn_mutex [2022-07-21 12:11:51,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_isdn_mutex [2022-07-21 12:11:51,218 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_ccp_reset_free_state [2022-07-21 12:11:51,218 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_ccp_reset_free_state [2022-07-21 12:11:51,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_isdn_mutex [2022-07-21 12:11:51,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_isdn_mutex [2022-07-21 12:11:51,218 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_unreachable [2022-07-21 12:11:51,218 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_unreachable [2022-07-21 12:11:51,218 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_getrev [2022-07-21 12:11:51,219 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_getrev [2022-07-21 12:11:51,219 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-21 12:11:51,219 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-21 12:11:51,219 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_swapbind [2022-07-21 12:11:51,219 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_swapbind [2022-07-21 12:11:51,219 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_proto_new [2022-07-21 12:11:51,219 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_proto_new [2022-07-21 12:11:51,219 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_ppp_bind [2022-07-21 12:11:51,219 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_ppp_bind [2022-07-21 12:11:51,220 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_rm_from_bundle [2022-07-21 12:11:51,220 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_rm_from_bundle [2022-07-21 12:11:51,220 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-21 12:11:51,220 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-21 12:11:51,220 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_get_stats [2022-07-21 12:11:51,220 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_get_stats [2022-07-21 12:11:51,220 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-21 12:11:51,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-21 12:11:51,221 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_net_softint [2022-07-21 12:11:51,221 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_net_softint [2022-07-21 12:11:51,221 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_x25iface_proto_close [2022-07-21 12:11:51,221 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_x25iface_proto_close [2022-07-21 12:11:51,221 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_check_ats [2022-07-21 12:11:51,221 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_check_ats [2022-07-21 12:11:51,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 12:11:51,221 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_fax_modem_result [2022-07-21 12:11:51,221 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_fax_modem_result [2022-07-21 12:11:51,222 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-21 12:11:51,222 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2022-07-21 12:11:51,222 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2022-07-21 12:11:51,222 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_tty_modem_hup [2022-07-21 12:11:51,222 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_tty_modem_hup [2022-07-21 12:11:51,222 INFO L130 BoogieDeclarations]: Found specification of procedure isdn_dc2minor [2022-07-21 12:11:51,222 INFO L138 BoogieDeclarations]: Found implementation of procedure isdn_dc2minor [2022-07-21 12:11:53,166 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 12:11:53,171 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 12:11:53,447 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 12:13:34,654 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 12:13:34,701 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 12:13:34,701 INFO L299 CfgBuilder]: Removed 3 assume(true) statements. [2022-07-21 12:13:34,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:13:34 BoogieIcfgContainer [2022-07-21 12:13:34,712 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 12:13:34,713 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 12:13:34,714 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 12:13:34,716 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 12:13:34,717 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:11:29" (1/3) ... [2022-07-21 12:13:34,718 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@274cf9eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:13:34, skipping insertion in model container [2022-07-21 12:13:34,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:11:47" (2/3) ... [2022-07-21 12:13:34,718 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@274cf9eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:13:34, skipping insertion in model container [2022-07-21 12:13:34,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:13:34" (3/3) ... [2022-07-21 12:13:34,719 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--isdn--i4l--isdn.ko-entry_point.cil.out.i [2022-07-21 12:13:34,733 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 12:13:34,733 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 12:13:34,900 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 12:13:34,909 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@18f4e136, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@379b081e [2022-07-21 12:13:34,909 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 12:13:34,935 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) [2022-07-21 12:13:34,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-07-21 12:13:34,971 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:13:34,973 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] [2022-07-21 12:13:34,974 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:13:34,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:13:34,983 INFO L85 PathProgramCache]: Analyzing trace with hash -1978374212, now seen corresponding path program 1 times [2022-07-21 12:13:34,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:13:34,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026308952] [2022-07-21 12:13:34,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:13:34,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:13:35,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:36,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:13:36,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:36,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:36,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:36,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:36,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:36,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:13:36,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:36,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:36,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:36,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:36,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:36,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:13:36,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:36,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:36,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:36,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:36,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:36,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:13:36,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:36,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:36,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:36,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:36,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:36,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:13:36,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:36,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:36,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:36,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:13:36,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:36,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-21 12:13:36,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:36,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:36,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:36,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-21 12:13:36,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:36,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:36,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:36,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-21 12:13:36,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:36,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:36,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:36,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-21 12:13:36,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:36,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:36,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:36,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-21 12:13:36,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:36,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:36,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:36,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-21 12:13:36,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:36,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:13:36,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:13:36,646 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2022-07-21 12:13:36,647 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:13:36,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026308952] [2022-07-21 12:13:36,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026308952] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:13:36,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:13:36,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 12:13:36,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489536959] [2022-07-21 12:13:36,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:13:36,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 12:13:36,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:13:36,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 12:13:36,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-21 12:13:36,705 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) [2022-07-21 12:13:46,299 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 [] [2022-07-21 12:14:11,511 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:14:16,068 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:14:20,716 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:14:29,954 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:14:32,938 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:14:32,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 12:14:32,996 INFO L93 Difference]: Finished difference Result 16347 states and 26509 transitions. [2022-07-21 12:14:32,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-21 12:14:32,999 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 [2022-07-21 12:14:32,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 12:14:33,116 INFO L225 Difference]: With dead ends: 16347 [2022-07-21 12:14:33,117 INFO L226 Difference]: Without dead ends: 8745 [2022-07-21 12:14:33,271 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 [2022-07-21 12:14:33,277 INFO L413 NwaCegarLoop]: 10877 mSDtfsCounter, 7420 mSDsluCounter, 5668 mSDsCounter, 0 mSdLazyCounter, 4588 mSolverCounterSat, 7073 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7520 SdHoareTripleChecker+Valid, 16545 SdHoareTripleChecker+Invalid, 11666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 7073 IncrementalHoareTripleChecker+Valid, 4588 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.7s IncrementalHoareTripleChecker+Time [2022-07-21 12:14:33,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7520 Valid, 16545 Invalid, 11666 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [7073 Valid, 4588 Invalid, 5 Unknown, 0 Unchecked, 54.7s Time] [2022-07-21 12:14:33,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8745 states. [2022-07-21 12:14:34,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8745 to 7572. [2022-07-21 12:14:34,136 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) [2022-07-21 12:14:34,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7572 states to 7572 states and 11505 transitions. [2022-07-21 12:14:34,228 INFO L78 Accepts]: Start accepts. Automaton has 7572 states and 11505 transitions. Word has length 173 [2022-07-21 12:14:34,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 12:14:34,229 INFO L495 AbstractCegarLoop]: Abstraction has 7572 states and 11505 transitions. [2022-07-21 12:14:34,230 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) [2022-07-21 12:14:34,230 INFO L276 IsEmpty]: Start isEmpty. Operand 7572 states and 11505 transitions. [2022-07-21 12:14:34,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-07-21 12:14:34,238 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 12:14:34,238 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] [2022-07-21 12:14:34,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 12:14:34,239 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 12:14:34,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 12:14:34,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1960638222, now seen corresponding path program 1 times [2022-07-21 12:14:34,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 12:14:34,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552813600] [2022-07-21 12:14:34,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 12:14:34,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 12:14:34,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:35,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 12:14:35,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:35,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:35,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:35,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:35,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:35,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 12:14:35,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:35,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:35,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:35,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:35,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:35,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-21 12:14:35,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:35,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:35,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:35,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:35,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:35,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 12:14:35,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:35,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:35,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:35,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:35,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:35,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-21 12:14:35,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:35,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:35,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:35,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-21 12:14:35,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:35,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-21 12:14:35,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:35,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:35,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:35,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-21 12:14:35,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:35,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:35,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:35,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2022-07-21 12:14:35,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:35,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:35,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:35,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-21 12:14:35,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:35,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:35,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:35,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2022-07-21 12:14:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:35,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:35,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:35,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2022-07-21 12:14:35,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:35,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 12:14:35,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 12:14:35,640 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2022-07-21 12:14:35,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 12:14:35,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552813600] [2022-07-21 12:14:35,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552813600] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 12:14:35,641 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 12:14:35,641 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 12:14:35,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019898788] [2022-07-21 12:14:35,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 12:14:35,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 12:14:35,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 12:14:35,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 12:14:35,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-21 12:14:35,644 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) [2022-07-21 12:14:47,744 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 [] [2022-07-21 12:15:01,740 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-21 12:15:24,508 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []